#include "SDL_internal.h"
#ifdef SDL_HAVE_BLIT_AUTO
#include "SDL_blit.h"
#include "SDL_blit_auto.h"
static void SDL_Blit_XRGB8888_XRGB8888_Scale(SDL_BlitInfo *info)
{
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
*dst = *src;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XRGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XRGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XRGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XRGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XRGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XRGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XBGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XBGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XBGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XBGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XBGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XBGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_XBGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ARGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
const Uint32 A = 0xFF;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
pixelvalue |= (A << 24);
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ARGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ARGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ABGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
const Uint32 A = 0xFF;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ABGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ABGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ABGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ABGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ABGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XRGB8888_ABGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XRGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XRGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XRGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XRGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XRGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XRGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XRGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XBGR8888_Scale(SDL_BlitInfo *info)
{
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
*dst = *src;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XBGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XBGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XBGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XBGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XBGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_XBGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ARGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
const Uint32 A = 0xFF;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ARGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ARGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ABGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
const Uint32 A = 0xFF;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
pixelvalue |= (A << 24);
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ABGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ABGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
dstR = srcR;
dstG = srcG;
dstB = srcB;
dstA = 0xFF;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ABGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ABGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
const Uint32 A = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ABGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_XBGR8888_ABGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
const Uint32 srcA = (flags & SDL_COPY_MODULATE_ALPHA) ? modulateA : 0xFF;
Uint32 srcR, srcG, srcB;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XRGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
pixelvalue &= 0xFFFFFF;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XRGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XRGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XRGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XRGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XRGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XRGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XBGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XBGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XBGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XBGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XBGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XBGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_XBGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ARGB8888_Scale(SDL_BlitInfo *info)
{
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
*dst = *src;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ARGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ARGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ABGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ABGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ABGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ABGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ABGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); B = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ABGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ARGB8888_ABGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcB = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XRGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
pixelvalue >>= 8;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XRGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XRGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XRGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XRGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XRGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XRGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XBGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8);
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XBGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XBGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XBGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XBGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XBGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_XBGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ARGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
pixelvalue = (pixelvalue >> 8) | (pixelvalue << 24);
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ARGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ARGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ABGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ABGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ABGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ABGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ABGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
R = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); B = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ABGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_RGBA8888_ABGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcR = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcB = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XRGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XRGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XRGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XRGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XRGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XRGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XRGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XBGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
pixelvalue &= 0xFFFFFF;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XBGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XBGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XBGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XBGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XBGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_XBGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ARGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ARGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ARGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ABGR8888_Scale(SDL_BlitInfo *info)
{
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
*dst = *src;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ABGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ABGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ABGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ABGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 16); G = (Uint8)(pixelvalue >> 8); R = (Uint8)pixelvalue; A = (Uint8)(pixelvalue >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ABGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_ABGR8888_ABGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 16); srcG = (Uint8)(srcpixel >> 8); srcR = (Uint8)srcpixel; srcA = (Uint8)(srcpixel >> 24);
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XRGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8);
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XRGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XRGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XRGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XRGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XRGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XRGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XBGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
pixelvalue >>= 8;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XBGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XBGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XBGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XBGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
Uint32 pixelvalue;
Uint32 R, G, B;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
pixelvalue = (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XBGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_XBGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ARGB8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ARGB8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ARGB8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ARGB8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (R << 16) | (G << 8) | B;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstR = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstB = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstR << 16) | (dstG << 8) | dstB;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ABGR8888_Scale(SDL_BlitInfo *info)
{
Uint32 pixelvalue;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
pixelvalue = (pixelvalue >> 8) | (pixelvalue << 24);
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ABGR8888_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ABGR8888_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ABGR8888_Modulate(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ABGR8888_Modulate_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 pixelvalue;
Uint32 R, G, B, A;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
pixelvalue = *src;
B = (Uint8)(pixelvalue >> 24); G = (Uint8)(pixelvalue >> 16); R = (Uint8)(pixelvalue >> 8); A = (Uint8)pixelvalue;
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(R, modulateR, R);
MULT_DIV_255(G, modulateG, G);
MULT_DIV_255(B, modulateB, B);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(A, modulateA, A);
}
pixelvalue = (A << 24) | (B << 16) | (G << 8) | R;
*dst = pixelvalue;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ABGR8888_Modulate_Blend(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
while (info->dst_h--) {
Uint32 *src = (Uint32 *)info->src;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
while (n--) {
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
++src;
++dst;
}
info->src += info->src_pitch;
info->dst += info->dst_pitch;
}
}
static void SDL_Blit_BGRA8888_ABGR8888_Modulate_Blend_Scale(SDL_BlitInfo *info)
{
const int flags = info->flags;
const Uint32 modulateR = info->r;
const Uint32 modulateG = info->g;
const Uint32 modulateB = info->b;
const Uint32 modulateA = info->a;
Uint32 srcpixel;
Uint32 srcR, srcG, srcB, srcA;
Uint32 dstpixel;
Uint32 dstR, dstG, dstB, dstA;
Uint64 srcy, srcx;
Uint64 posy, posx;
Uint64 incy, incx;
incy = ((Uint64)info->src_h << 16) / info->dst_h;
incx = ((Uint64)info->src_w << 16) / info->dst_w;
posy = incy / 2;
while (info->dst_h--) {
Uint32 *src = NULL;
Uint32 *dst = (Uint32 *)info->dst;
int n = info->dst_w;
posx = incx / 2;
srcy = posy >> 16;
while (n--) {
srcx = posx >> 16;
src = (Uint32 *)(info->src + (srcy * info->src_pitch) + (srcx * 4));
srcpixel = *src;
srcB = (Uint8)(srcpixel >> 24); srcG = (Uint8)(srcpixel >> 16); srcR = (Uint8)(srcpixel >> 8); srcA = (Uint8)srcpixel;
dstpixel = *dst;
dstB = (Uint8)(dstpixel >> 16); dstG = (Uint8)(dstpixel >> 8); dstR = (Uint8)dstpixel; dstA = (Uint8)(dstpixel >> 24);
if (flags & SDL_COPY_MODULATE_COLOR) {
MULT_DIV_255(srcR, modulateR, srcR);
MULT_DIV_255(srcG, modulateG, srcG);
MULT_DIV_255(srcB, modulateB, srcB);
}
if (flags & SDL_COPY_MODULATE_ALPHA) {
MULT_DIV_255(srcA, modulateA, srcA);
}
if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
if (srcA < 255) {
MULT_DIV_255(srcR, srcA, srcR);
MULT_DIV_255(srcG, srcA, srcG);
MULT_DIV_255(srcB, srcA, srcB);
}
}
switch (flags & SDL_COPY_BLEND_MASK) {
case SDL_COPY_BLEND:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
break;
case SDL_COPY_BLEND_PREMULTIPLIED:
MULT_DIV_255((255 - srcA), dstR, dstR);
dstR += srcR;
if (dstR > 255) dstR = 255;
MULT_DIV_255((255 - srcA), dstG, dstG);
dstG += srcG;
if (dstG > 255) dstG = 255;
MULT_DIV_255((255 - srcA), dstB, dstB);
dstB += srcB;
if (dstB > 255) dstB = 255;
MULT_DIV_255((255 - srcA), dstA, dstA);
dstA += srcA;
if (dstA > 255) dstA = 255;
break;
case SDL_COPY_ADD:
case SDL_COPY_ADD_PREMULTIPLIED:
dstR = srcR + dstR; if (dstR > 255) dstR = 255;
dstG = srcG + dstG; if (dstG > 255) dstG = 255;
dstB = srcB + dstB; if (dstB > 255) dstB = 255;
break;
case SDL_COPY_MOD:
MULT_DIV_255(srcR, dstR, dstR);
MULT_DIV_255(srcG, dstG, dstG);
MULT_DIV_255(srcB, dstB, dstB);
break;
case SDL_COPY_MUL:
{
Uint32 tmp1, tmp2;
MULT_DIV_255(srcR, dstR, tmp1);
MULT_DIV_255(dstR, (255 - srcA), tmp2);
dstR = tmp1 + tmp2; if (dstR > 255) dstR = 255;
MULT_DIV_255(srcG, dstG, tmp1);
MULT_DIV_255(dstG, (255 - srcA), tmp2);
dstG = tmp1 + tmp2; if (dstG > 255) dstG = 255;
MULT_DIV_255(srcB, dstB, tmp1);
MULT_DIV_255(dstB, (255 - srcA), tmp2);
dstB = tmp1 + tmp2; if (dstB > 255) dstB = 255;
}
break;
}
dstpixel = (dstA << 24) | (dstB << 16) | (dstG << 8) | dstR;
*dst = dstpixel;
posx += incx;
++dst;
}
posy += incy;
info->dst += info->dst_pitch;
}
}
SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[] = {
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_XRGB8888_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_XRGB8888_Blend },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_XRGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_XRGB8888_Modulate },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_XRGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_XRGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_XRGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_XBGR8888_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_XBGR8888_Blend },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_XBGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_XBGR8888_Modulate },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_XBGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_XBGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_XBGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_ARGB8888_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_ARGB8888_Blend },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_ARGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_ARGB8888_Modulate },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_ARGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_ARGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_ARGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_ABGR8888_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_ABGR8888_Blend },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_ABGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_ABGR8888_Modulate },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_ABGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XRGB8888_ABGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XRGB8888_ABGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_XRGB8888_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_XRGB8888_Blend },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_XRGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_XRGB8888_Modulate },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_XRGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_XRGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_XRGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_XBGR8888_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_XBGR8888_Blend },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_XBGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_XBGR8888_Modulate },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_XBGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_XBGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_XBGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_ARGB8888_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_ARGB8888_Blend },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_ARGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_ARGB8888_Modulate },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_ARGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_ARGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_ARGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_ABGR8888_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_ABGR8888_Blend },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_ABGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_ABGR8888_Modulate },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_ABGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_XBGR8888_ABGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_XBGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_XBGR8888_ABGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_XRGB8888_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_XRGB8888_Blend },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_XRGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_XRGB8888_Modulate },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_XRGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_XRGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_XRGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_XBGR8888_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_XBGR8888_Blend },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_XBGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_XBGR8888_Modulate },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_XBGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_XBGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_XBGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ARGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ABGR8888_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_ABGR8888_Blend },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ABGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_ABGR8888_Modulate },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ABGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ARGB8888_ABGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ARGB8888_ABGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_XRGB8888_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_XRGB8888_Blend },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_XRGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_XRGB8888_Modulate },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_XRGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_XRGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_XRGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_XBGR8888_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_XBGR8888_Blend },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_XBGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_XBGR8888_Modulate },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_XBGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_XBGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_XBGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ARGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ABGR8888_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_ABGR8888_Blend },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ABGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_ABGR8888_Modulate },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ABGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_RGBA8888_ABGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_RGBA8888_ABGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_XRGB8888_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_XRGB8888_Blend },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_XRGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_XRGB8888_Modulate },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_XRGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_XRGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_XRGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_XBGR8888_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_XBGR8888_Blend },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_XBGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_XBGR8888_Modulate },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_XBGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_XBGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_XBGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ARGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ABGR8888_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_ABGR8888_Blend },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ABGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_ABGR8888_Modulate },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ABGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_ABGR8888_ABGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_ABGR8888_ABGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_XRGB8888_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_XRGB8888_Blend },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_XRGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_XRGB8888_Modulate },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_XRGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_XRGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XRGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_XRGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_XBGR8888_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_XBGR8888_Blend },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_XBGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_XBGR8888_Modulate },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_XBGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_XBGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_XBGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_XBGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Blend_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ARGB8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ABGR8888_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_ABGR8888_Blend },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ABGR8888_Blend_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_ABGR8888_Modulate },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ABGR8888_Modulate_Scale },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK), SDL_CPU_ANY, SDL_Blit_BGRA8888_ABGR8888_Modulate_Blend },
{ SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ABGR8888, (SDL_COPY_MODULATE_MASK | SDL_COPY_BLEND_MASK | SDL_COPY_NEAREST), SDL_CPU_ANY, SDL_Blit_BGRA8888_ABGR8888_Modulate_Blend_Scale },
{ SDL_PIXELFORMAT_UNKNOWN, SDL_PIXELFORMAT_UNKNOWN, 0, 0, NULL }
};
#endif