/*{
"DESCRIPTION": "Buffers 8 recent frames",
"CREDIT": "by VIDVOX",
"ISFVSN": "2",
"CATEGORIES": [
"Glitch"
],
"INPUTS": [
{
"NAME": "inputImage",
"TYPE": "image"
},
{
"NAME": "inputDelay",
"LABEL": "Buffer",
"TYPE": "float",
"MIN": 0.0,
"MAX": 9.0,
"DEFAULT": 0.0
},
{
"NAME": "inputDelay2",
"LABEL": "Buffer 2",
"TYPE": "float",
"MIN": 0.0,
"MAX": 9.0,
"DEFAULT": 0.0
},
{
"NAME": "inputDelay3",
"LABEL": "Buffer 3",
"TYPE": "float",
"MIN": 0.0,
"MAX": 9.0,
"DEFAULT": 0.0
},
{
"NAME": "inputRate",
"LABEL": "Buffer Lag",
"TYPE": "float",
"MIN": 0.0,
"MAX": 20.0,
"DEFAULT": 1.0
},
{
"NAME": "mode",
"VALUES": [
0,
1,
2
],
"LABELS": [
"Single",
"Double",
"Triple"
],
"DEFAULT": 0,
"TYPE": "long"
}
],
"PASSES": [
{
"TARGET":"lastRow",
"WIDTH": "1",
"HEIGHT": "1",
"PERSISTENT": true,
"DESCRIPTION": "this buffer stores the last frame's odd / even state"
},
{
"TARGET":"buffer8",
"PERSISTENT": true
},
{
"TARGET":"buffer7",
"PERSISTENT": true
},
{
"TARGET":"buffer6",
"PERSISTENT": true
},
{
"TARGET":"buffer5",
"PERSISTENT": true
},
{
"TARGET":"buffer4",
"PERSISTENT": true
},
{
"TARGET":"buffer3",
"PERSISTENT": true
},
{
"TARGET":"buffer2",
"PERSISTENT": true
},
{
"TARGET":"buffer1",
"PERSISTENT": true
},
{
}
]
}*/
void main()
{
// first pass: read the "buffer7" into "buffer8"
// apply lag on each pass
// if this is the first pass, i'm going to read the position from the "lastRow" image, and write a new position based on this and the hold variables
if (PASSINDEX == 0) {
vec4 srcPixel = IMG_PIXEL(lastRow,vec2(0.5));
// i'm only using the X and Y components, which are the X and Y offset (normalized) for the frame
if (inputRate == 0.0) {
srcPixel.x = 0.0;
srcPixel.y = 0.0;
}
else if (inputRate <= 1.0) {
srcPixel.x = (srcPixel.x) > 0.5 ? 0.0 : 1.0;
srcPixel.y = 0.0;
}
else {
srcPixel.x = srcPixel.x + 1.0 / inputRate + srcPixel.y;
if (srcPixel.x > 1.0) {
srcPixel.y = mod(srcPixel.x, 1.0);
srcPixel.x = 0.0;
}
}
gl_FragColor = srcPixel;
}
if (PASSINDEX == 1) {
vec4 lastRow = IMG_PIXEL(lastRow,vec2(0.5));
if (lastRow.x == 0.0) {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer7);
}
else {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer8);
}
}
else if (PASSINDEX == 2) {
vec4 lastRow = IMG_PIXEL(lastRow,vec2(0.5));
if (lastRow.x == 0.0) {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer6);
}
else {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer7);
}
}
else if (PASSINDEX == 3) {
vec4 lastRow = IMG_PIXEL(lastRow,vec2(0.5));
if (lastRow.x == 0.0) {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer5);
}
else {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer6);
}
}
else if (PASSINDEX == 4) {
vec4 lastRow = IMG_PIXEL(lastRow,vec2(0.5));
if (lastRow.x == 0.0) {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer4);
}
else {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer5);
}
}
else if (PASSINDEX == 5) {
vec4 lastRow = IMG_PIXEL(lastRow,vec2(0.5));
if (lastRow.x == 0.0) {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer3);
}
else {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer4);
}
}
else if (PASSINDEX == 6) {
vec4 lastRow = IMG_PIXEL(lastRow,vec2(0.5));
if (lastRow.x == 0.0) {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer2);
}
else {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer3);
}
}
else if (PASSINDEX == 7) {
vec4 lastRow = IMG_PIXEL(lastRow,vec2(0.5));
if (lastRow.x == 0.0) {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer1);
}
else {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer2);
}
}
else if (PASSINDEX == 8) {
vec4 lastRow = IMG_PIXEL(lastRow,vec2(0.5));
if (lastRow.x == 0.0) {
gl_FragColor = IMG_THIS_NORM_PIXEL(inputImage);
}
else {
gl_FragColor = IMG_THIS_NORM_PIXEL(buffer1);
}
}
else if (PASSINDEX == 9) {
// Figure out which section I'm in and draw the appropriate buffer there
vec2 tex = isf_FragNormCoord;
vec4 returnMe = vec4(0.0);
vec4 color = vec4(0.0);
float pixelBuffer = inputDelay;
// If the glitch factor is turned on I might randomly go to another delay point
if (pixelBuffer < 1.0) {
color = IMG_NORM_PIXEL(inputImage, tex);
}
else if (pixelBuffer < 2.0) {
color = IMG_NORM_PIXEL(buffer1, tex);
}
else if (pixelBuffer < 3.0) {
color = IMG_NORM_PIXEL(buffer2, tex);
}
else if (pixelBuffer < 4.0) {
color = IMG_NORM_PIXEL(buffer3, tex);
}
else if (pixelBuffer < 5.0) {
color = IMG_NORM_PIXEL(buffer4, tex);
}
else if (pixelBuffer < 6.0) {
color = IMG_NORM_PIXEL(buffer5, tex);
}
else if (pixelBuffer < 7.0) {
color = IMG_NORM_PIXEL(buffer6, tex);
}
else if (pixelBuffer < 8.0) {
color = IMG_NORM_PIXEL(buffer7, tex);
}
else {
color = IMG_NORM_PIXEL(buffer8, tex);
}
returnMe = color;
if ((mode == 1)||(mode == 2)) {
pixelBuffer = inputDelay2;
if (pixelBuffer < 1.0) {
color = IMG_NORM_PIXEL(inputImage, tex);
}
else if (pixelBuffer < 2.0) {
color = IMG_NORM_PIXEL(buffer1, tex);
}
else if (pixelBuffer < 3.0) {
color = IMG_NORM_PIXEL(buffer2, tex);
}
else if (pixelBuffer < 4.0) {
color = IMG_NORM_PIXEL(buffer3, tex);
}
else if (pixelBuffer < 5.0) {
color = IMG_NORM_PIXEL(buffer4, tex);
}
else if (pixelBuffer < 6.0) {
color = IMG_NORM_PIXEL(buffer5, tex);
}
else if (pixelBuffer < 7.0) {
color = IMG_NORM_PIXEL(buffer6, tex);
}
else if (pixelBuffer < 8.0) {
color = IMG_NORM_PIXEL(buffer7, tex);
}
else {
color = IMG_NORM_PIXEL(buffer8, tex);
}
returnMe = (returnMe + color);
}
if (mode == 2) {
pixelBuffer = inputDelay3;
if (pixelBuffer < 1.0) {
color = IMG_NORM_PIXEL(inputImage, tex);
}
else if (pixelBuffer < 2.0) {
color = IMG_NORM_PIXEL(buffer1, tex);
}
else if (pixelBuffer < 3.0) {
color = IMG_NORM_PIXEL(buffer2, tex);
}
else if (pixelBuffer < 4.0) {
color = IMG_NORM_PIXEL(buffer3, tex);
}
else if (pixelBuffer < 5.0) {
color = IMG_NORM_PIXEL(buffer4, tex);
}
else if (pixelBuffer < 6.0) {
color = IMG_NORM_PIXEL(buffer5, tex);
}
else if (pixelBuffer < 7.0) {
color = IMG_NORM_PIXEL(buffer6, tex);
}
else if (pixelBuffer < 8.0) {
color = IMG_NORM_PIXEL(buffer7, tex);
}
else {
color = IMG_NORM_PIXEL(buffer8, tex);
}
returnMe = (returnMe + color);
}
returnMe = returnMe / (1.0+float(mode));
gl_FragColor = returnMe;
}
}
