use super::*;
use js_sys::{self, Array};
use slotmap::{new_key_type, SecondaryMap, SlotMap};
use std::cell::RefCell;
use web_sys::{
self, HtmlCanvasElement, HtmlImageElement, ImageBitmap, WebGl2RenderingContext, WebGlBuffer,
WebGlFramebuffer, WebGlProgram, WebGlQuery, WebGlRenderbuffer, WebGlRenderingContext,
WebGlSampler, WebGlShader, WebGlSync, WebGlTexture, WebGlTransformFeedback,
WebGlUniformLocation, WebGlVertexArrayObject,
};
#[derive(Debug)]
enum RawRenderingContext {
WebGl1(WebGlRenderingContext),
WebGl2(WebGl2RenderingContext),
}
#[derive(Debug)]
struct Extensions {
pub angle_instanced_arrays: Option<web_sys::AngleInstancedArrays>,
pub ext_blend_minmax: Option<web_sys::ExtBlendMinmax>,
pub ext_color_buffer_float: Option<web_sys::ExtColorBufferFloat>,
pub ext_color_buffer_half_float: Option<web_sys::ExtColorBufferHalfFloat>,
pub ext_disjoint_timer_query: Option<web_sys::ExtDisjointTimerQuery>,
pub ext_disjoint_timer_query_webgl2: Option<()>,
pub ext_float_blend: Option<()>,
pub ext_frag_depth: Option<web_sys::ExtFragDepth>,
pub ext_shader_texture_lod: Option<web_sys::ExtShaderTextureLod>,
pub ext_srgb: Option<web_sys::ExtSRgb>,
pub ext_texture_compression_bptc: Option<()>,
pub ext_texture_compression_rgtc: Option<()>,
pub ext_texture_filter_anisotropic: Option<web_sys::ExtTextureFilterAnisotropic>,
pub khr_parallel_shader_compile: Option<()>,
pub oes_element_index_uint: Option<web_sys::OesElementIndexUint>,
pub oes_fbo_render_mipmap: Option<()>,
pub oes_standard_derivatives: Option<web_sys::OesStandardDerivatives>,
pub oes_texture_float: Option<web_sys::OesTextureFloat>,
pub oes_texture_float_linear: Option<web_sys::OesTextureFloatLinear>,
pub oes_texture_half_float: Option<web_sys::OesTextureHalfFloat>,
pub oes_texture_half_float_linear: Option<web_sys::OesTextureHalfFloatLinear>,
pub oes_vertex_array_object: Option<web_sys::OesVertexArrayObject>,
pub ovr_multiview2: Option<()>,
pub webgl_color_buffer_float: Option<web_sys::WebglColorBufferFloat>,
pub webgl_compressed_texture_astc: Option<web_sys::WebglCompressedTextureAstc>,
pub webgl_compressed_texture_etc: Option<web_sys::WebglCompressedTextureEtc>,
pub webgl_compressed_texture_etc1: Option<web_sys::WebglCompressedTextureEtc1>,
pub webgl_compressed_texture_pvrtc: Option<web_sys::WebglCompressedTexturePvrtc>,
pub webgl_compressed_texture_s3tc: Option<web_sys::WebglCompressedTextureS3tc>,
pub webgl_compressed_texture_s3tc_srgb: Option<web_sys::WebglCompressedTextureS3tcSrgb>,
pub webgl_debug_renderer_info: Option<web_sys::WebglDebugRendererInfo>,
pub webgl_debug_shaders: Option<web_sys::WebglDebugShaders>,
pub webgl_depth_texture: Option<web_sys::WebglDepthTexture>,
pub webgl_draw_buffers: Option<web_sys::WebglDrawBuffers>,
pub webgl_lose_context: Option<web_sys::WebglLoseContext>,
}
type SlotMapWithoutCopy<K, V> = (SlotMap<K, ()>, SecondaryMap<K, V>);
type TrackedResource<K, V> = RefCell<SlotMapWithoutCopy<K, V>>;
fn tracked_resource<K: slotmap::Key, V>() -> TrackedResource<K, V> {
RefCell::new((SlotMap::with_key(), SecondaryMap::new()))
}
#[derive(Debug)]
pub struct Context {
raw: RawRenderingContext,
extensions: Extensions,
shaders: TrackedResource<WebShaderKey, WebGlShader>,
programs: TrackedResource<WebProgramKey, WebGlProgram>,
buffers: TrackedResource<WebBufferKey, WebGlBuffer>,
vertex_arrays: TrackedResource<WebVertexArrayKey, WebGlVertexArrayObject>,
textures: TrackedResource<WebTextureKey, WebGlTexture>,
samplers: TrackedResource<WebSamplerKey, WebGlSampler>,
fences: TrackedResource<WebFenceKey, WebGlSync>,
framebuffers: TrackedResource<WebFramebufferKey, WebGlFramebuffer>,
renderbuffers: TrackedResource<WebRenderbufferKey, WebGlRenderbuffer>,
queries: TrackedResource<WebQueryKey, WebGlQuery>,
transform_feedbacks: TrackedResource<WebTransformFeedbackKey, WebGlTransformFeedback>,
}
macro_rules! build_extensions {
($context:ident, $context_type:ty) => {{
fn get_extension<T>(context: &$context_type, name: &str) -> Option<T>
where
T: wasm_bindgen::JsCast,
{
use wasm_bindgen::JsCast;
context
.get_extension(name)
.ok()
.and_then(|maybe_ext| maybe_ext.map(|ext| ext.unchecked_into::<T>()))
}
fn get_extension_no_object(context: &$context_type, name: &str) -> Option<()> {
context
.get_extension(name)
.ok()
.and_then(|maybe_ext| maybe_ext.map(|_| ()))
}
Extensions {
angle_instanced_arrays: get_extension::<web_sys::AngleInstancedArrays>(
&$context,
"ANGLE_instanced_arrays",
),
ext_blend_minmax: get_extension::<web_sys::ExtBlendMinmax>(
&$context,
"EXT_blend_minmax",
),
ext_color_buffer_float: get_extension::<web_sys::ExtColorBufferFloat>(
&$context,
"EXT_color_buffer_float",
),
ext_color_buffer_half_float: get_extension::<web_sys::ExtColorBufferHalfFloat>(
&$context,
"EXT_color_buffer_half_float",
),
ext_disjoint_timer_query: get_extension::<web_sys::ExtDisjointTimerQuery>(
&$context,
"EXT_disjoint_timer_query",
),
ext_disjoint_timer_query_webgl2: get_extension_no_object(
&$context,
"EXT_disjoint_timer_query_webgl2",
),
ext_float_blend: get_extension_no_object(&$context, "EXT_float_blend"),
ext_frag_depth: get_extension::<web_sys::ExtFragDepth>(&$context, "EXT_frag_depth"),
ext_shader_texture_lod: get_extension::<web_sys::ExtShaderTextureLod>(
&$context,
"EXT_shader_texture_lod",
),
ext_srgb: get_extension::<web_sys::ExtSRgb>(&$context, "EXT_sRGB"),
ext_texture_compression_bptc: get_extension_no_object(
&$context,
"EXT_texture_compression_bptc",
),
ext_texture_compression_rgtc: get_extension_no_object(
&$context,
"EXT_texture_compression_rgtc",
),
ext_texture_filter_anisotropic: get_extension::<web_sys::ExtTextureFilterAnisotropic>(
&$context,
"EXT_texture_filter_anisotropic",
),
khr_parallel_shader_compile: get_extension_no_object(
&$context,
"KHR_parallel_shader_compile",
),
oes_element_index_uint: get_extension::<web_sys::OesElementIndexUint>(
&$context,
"OES_element_index_uint",
),
oes_fbo_render_mipmap: get_extension_no_object(&$context, "OES_fbo_render_mipmap"),
oes_standard_derivatives: get_extension::<web_sys::OesStandardDerivatives>(
&$context,
"OES_standard_derivatives",
),
oes_texture_float: get_extension::<web_sys::OesTextureFloat>(
&$context,
"OES_texture_float",
),
oes_texture_float_linear: get_extension::<web_sys::OesTextureFloatLinear>(
&$context,
"OES_texture_float_linear",
),
oes_texture_half_float: get_extension::<web_sys::OesTextureHalfFloat>(
&$context,
"OES_texture_half_float",
),
oes_texture_half_float_linear: get_extension::<web_sys::OesTextureHalfFloatLinear>(
&$context,
"OES_texture_half_float_linear",
),
oes_vertex_array_object: get_extension::<web_sys::OesVertexArrayObject>(
&$context,
"OES_vertex_array_object",
),
ovr_multiview2: get_extension_no_object(&$context, "OVR_multiview2"),
webgl_color_buffer_float: get_extension::<web_sys::WebglColorBufferFloat>(
&$context,
"WEBGL_color_buffer_float",
),
webgl_compressed_texture_astc: get_extension::<web_sys::WebglCompressedTextureAstc>(
&$context,
"WEBGL_compressed_texture_astc",
),
webgl_compressed_texture_etc: get_extension::<web_sys::WebglCompressedTextureEtc>(
&$context,
"WEBGL_compressed_texture_etc",
),
webgl_compressed_texture_etc1: get_extension::<web_sys::WebglCompressedTextureEtc1>(
&$context,
"WEBGL_compressed_texture_etc1",
),
webgl_compressed_texture_pvrtc: get_extension::<web_sys::WebglCompressedTexturePvrtc>(
&$context,
"WEBGL_compressed_texture_pvrtc",
),
webgl_compressed_texture_s3tc: get_extension::<web_sys::WebglCompressedTextureS3tc>(
&$context,
"WEBGL_compressed_texture_s3tc",
),
webgl_compressed_texture_s3tc_srgb: get_extension::<
web_sys::WebglCompressedTextureS3tcSrgb,
>(
&$context, "WEBGL_compressed_texture_s3tc_srgb"
),
webgl_debug_renderer_info: get_extension::<web_sys::WebglDebugRendererInfo>(
&$context,
"WEBGL_debug_renderer_info",
),
webgl_debug_shaders: get_extension::<web_sys::WebglDebugShaders>(
&$context,
"WEBGL_debug_shaders",
),
webgl_depth_texture: get_extension::<web_sys::WebglDepthTexture>(
&$context,
"WEBGL_depth_texture",
),
webgl_draw_buffers: get_extension::<web_sys::WebglDrawBuffers>(
&$context,
"WEBGL_draw_buffers",
),
webgl_lose_context: get_extension::<web_sys::WebglLoseContext>(
&$context,
"WEBGL_lose_context",
),
}
}};
}
impl Context {
pub fn from_webgl1_context(context: WebGlRenderingContext) -> Self {
let extensions = build_extensions!(context, WebGlRenderingContext);
Self {
raw: RawRenderingContext::WebGl1(context),
extensions,
shaders: tracked_resource(),
programs: tracked_resource(),
buffers: tracked_resource(),
vertex_arrays: tracked_resource(),
textures: tracked_resource(),
samplers: tracked_resource(),
fences: tracked_resource(),
framebuffers: tracked_resource(),
renderbuffers: tracked_resource(),
queries: tracked_resource(),
transform_feedbacks: tracked_resource(),
}
}
pub fn from_webgl2_context(context: WebGl2RenderingContext) -> Self {
let extensions = build_extensions!(context, WebGl2RenderingContext);
Self {
raw: RawRenderingContext::WebGl2(context),
extensions,
shaders: tracked_resource(),
programs: tracked_resource(),
buffers: tracked_resource(),
vertex_arrays: tracked_resource(),
textures: tracked_resource(),
samplers: tracked_resource(),
fences: tracked_resource(),
framebuffers: tracked_resource(),
renderbuffers: tracked_resource(),
queries: tracked_resource(),
transform_feedbacks: tracked_resource(),
}
}
pub unsafe fn tex_image_2d_with_html_image(
&self,
target: u32,
level: i32,
internal_format: i32,
format: u32,
ty: u32,
image: &HtmlImageElement,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.tex_image_2d_with_u32_and_u32_and_image(
target,
level,
internal_format,
format,
ty,
image,
)
.unwrap();
}
RawRenderingContext::WebGl2(ref gl) => {
gl.tex_image_2d_with_u32_and_u32_and_html_image_element(
target,
level,
internal_format,
format,
ty,
image,
)
.unwrap();
}
}
}
pub unsafe fn tex_image_2d_with_image_bitmap(
&self,
target: u32,
level: i32,
internal_format: i32,
format: u32,
ty: u32,
pixels: &ImageBitmap,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.tex_image_2d_with_u32_and_u32_and_image_bitmap(
target,
level,
internal_format,
format,
ty,
pixels,
)
.unwrap();
}
RawRenderingContext::WebGl2(ref gl) => {
gl.tex_image_2d_with_u32_and_u32_and_image_bitmap(
target,
level,
internal_format,
format,
ty,
pixels,
)
.unwrap();
}
}
}
pub unsafe fn tex_image_2d_with_html_canvas(
&self,
target: u32,
level: i32,
internal_format: i32,
format: u32,
ty: u32,
canvas: &HtmlCanvasElement,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.tex_image_2d_with_u32_and_u32_and_canvas(
target,
level,
internal_format,
format,
ty,
canvas,
)
.unwrap();
}
RawRenderingContext::WebGl2(ref gl) => {
gl.tex_image_2d_with_u32_and_u32_and_html_canvas_element(
target,
level,
internal_format,
format,
ty,
canvas,
)
.unwrap();
}
}
}
pub unsafe fn tex_sub_image_2d_with_html_image(
&self,
target: u32,
level: i32,
x_offset: i32,
y_offset: i32,
format: u32,
ty: u32,
image: &HtmlImageElement,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.tex_sub_image_2d_with_u32_and_u32_and_image(
target, level, x_offset, y_offset, format, ty, image,
)
.unwrap();
}
RawRenderingContext::WebGl2(ref gl) => {
gl.tex_sub_image_2d_with_u32_and_u32_and_html_image_element(
target, level, x_offset, y_offset, format, ty, image,
)
.unwrap();
}
}
}
}
new_key_type! { pub struct WebShaderKey; }
new_key_type! { pub struct WebProgramKey; }
new_key_type! { pub struct WebBufferKey; }
new_key_type! { pub struct WebVertexArrayKey; }
new_key_type! { pub struct WebTextureKey; }
new_key_type! { pub struct WebSamplerKey; }
new_key_type! { pub struct WebFenceKey; }
new_key_type! { pub struct WebFramebufferKey; }
new_key_type! { pub struct WebRenderbufferKey; }
new_key_type! { pub struct WebQueryKey; }
new_key_type! { pub struct WebTransformFeedbackKey; }
impl HasContext for Context {
type Shader = WebShaderKey;
type Program = WebProgramKey;
type Buffer = WebBufferKey;
type VertexArray = WebVertexArrayKey;
type Texture = WebTextureKey;
type Sampler = WebSamplerKey;
type Fence = WebFenceKey;
type Framebuffer = WebFramebufferKey;
type Renderbuffer = WebRenderbufferKey;
type Query = WebQueryKey;
type UniformLocation = WebGlUniformLocation;
type TransformFeedback = WebTransformFeedbackKey;
fn supports_debug(&self) -> bool {
false
}
unsafe fn create_framebuffer(&self) -> Result<Self::Framebuffer, String> {
let raw_framebuffer = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.create_framebuffer(),
RawRenderingContext::WebGl2(ref gl) => gl.create_framebuffer(),
};
match raw_framebuffer {
Some(s) => {
let key = self.framebuffers.borrow_mut().0.insert(());
self.framebuffers.borrow_mut().1.insert(key, s);
Ok(key)
}
None => Err(String::from("Unable to create framebuffer object")),
}
}
unsafe fn is_framebuffer(&self, framebuffer: Self::Framebuffer) -> bool {
let framebuffers = self.framebuffers.borrow_mut();
if let Some(ref f) = framebuffers.1.get(framebuffer) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.is_framebuffer(Some(f)),
RawRenderingContext::WebGl2(ref gl) => gl.is_framebuffer(Some(f)),
}
} else {
false
}
}
unsafe fn create_query(&self) -> Result<Self::Query, String> {
let raw_query = match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
return Err(String::from("Query objects are not supported"));
}
RawRenderingContext::WebGl2(ref gl) => gl.create_query(),
};
match raw_query {
Some(s) => {
let key = self.queries.borrow_mut().0.insert(());
self.queries.borrow_mut().1.insert(key, s);
Ok(key)
}
None => Err(String::from("Unable to create query object")),
}
}
unsafe fn create_renderbuffer(&self) -> Result<Self::Renderbuffer, String> {
let raw_renderbuffer = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.create_renderbuffer(),
RawRenderingContext::WebGl2(ref gl) => gl.create_renderbuffer(),
};
match raw_renderbuffer {
Some(s) => {
let key = self.renderbuffers.borrow_mut().0.insert(());
self.renderbuffers.borrow_mut().1.insert(key, s);
Ok(key)
}
None => Err(String::from("Unable to create renderbuffer object")),
}
}
unsafe fn is_renderbuffer(&self, renderbuffer: Self::Renderbuffer) -> bool {
let renderbuffers = self.renderbuffers.borrow_mut();
if let Some(ref r) = renderbuffers.1.get(renderbuffer) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.is_renderbuffer(Some(r)),
RawRenderingContext::WebGl2(ref gl) => gl.is_renderbuffer(Some(r)),
}
} else {
false
}
}
unsafe fn create_sampler(&self) -> Result<Self::Sampler, String> {
let raw_sampler = match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Sampler objects are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.create_sampler(),
};
match raw_sampler {
Some(s) => {
let key = self.samplers.borrow_mut().0.insert(());
self.samplers.borrow_mut().1.insert(key, s);
Ok(key)
}
None => Err(String::from("Unable to create sampler object")),
}
}
unsafe fn create_shader(&self, shader_type: u32) -> Result<Self::Shader, String> {
let raw_shader = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.create_shader(shader_type as u32),
RawRenderingContext::WebGl2(ref gl) => gl.create_shader(shader_type as u32),
};
match raw_shader {
Some(s) => {
let key = self.shaders.borrow_mut().0.insert(());
self.shaders.borrow_mut().1.insert(key, s);
Ok(key)
}
None => Err(String::from("Unable to create shader object")),
}
}
unsafe fn is_shader(&self, shader: Self::Shader) -> bool {
let shaders = self.shaders.borrow_mut();
if let Some(ref s) = shaders.1.get(shader) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.is_shader(Some(s)),
RawRenderingContext::WebGl2(ref gl) => gl.is_shader(Some(s)),
}
} else {
false
}
}
unsafe fn create_texture(&self) -> Result<Self::Texture, String> {
let raw_texture = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.create_texture(),
RawRenderingContext::WebGl2(ref gl) => gl.create_texture(),
};
match raw_texture {
Some(t) => {
let key = self.textures.borrow_mut().0.insert(());
self.textures.borrow_mut().1.insert(key, t);
Ok(key)
}
None => Err(String::from("Unable to create texture object")),
}
}
unsafe fn is_texture(&self, texture: Self::Texture) -> bool {
let textures = self.textures.borrow_mut();
if let Some(ref t) = textures.1.get(texture) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.is_texture(Some(t)),
RawRenderingContext::WebGl2(ref gl) => gl.is_texture(Some(t)),
}
} else {
false
}
}
unsafe fn delete_shader(&self, shader: Self::Shader) {
let mut shaders = self.shaders.borrow_mut();
if let Some(ref s) = shaders.1.remove(shader) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.delete_shader(Some(s)),
RawRenderingContext::WebGl2(ref gl) => gl.delete_shader(Some(s)),
}
}
}
unsafe fn shader_source(&self, shader: Self::Shader, source: &str) {
let shaders = self.shaders.borrow();
let raw_shader = shaders.1.get_unchecked(shader);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.shader_source(raw_shader, source),
RawRenderingContext::WebGl2(ref gl) => gl.shader_source(raw_shader, source),
}
}
unsafe fn compile_shader(&self, shader: Self::Shader) {
let shaders = self.shaders.borrow();
let raw_shader = shaders.1.get_unchecked(shader);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.compile_shader(raw_shader),
RawRenderingContext::WebGl2(ref gl) => gl.compile_shader(raw_shader),
}
}
unsafe fn get_shader_compile_status(&self, shader: Self::Shader) -> bool {
let shaders = self.shaders.borrow();
let raw_shader = shaders.1.get_unchecked(shader);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.get_shader_parameter(raw_shader, COMPILE_STATUS)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.get_shader_parameter(raw_shader, COMPILE_STATUS)
}
}
.as_bool()
.unwrap_or(false)
}
unsafe fn get_shader_info_log(&self, shader: Self::Shader) -> String {
let shaders = self.shaders.borrow();
let raw_shader = shaders.1.get_unchecked(shader);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_shader_info_log(raw_shader),
RawRenderingContext::WebGl2(ref gl) => gl.get_shader_info_log(raw_shader),
}
.unwrap_or_else(|| String::from(""))
}
unsafe fn get_tex_image(
&self,
_target: u32,
_level: i32,
_format: u32,
_ty: u32,
_pixels: PixelPackData,
) {
panic!("Get tex image is not supported");
}
unsafe fn create_program(&self) -> Result<Self::Program, String> {
let raw_program = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.create_program(),
RawRenderingContext::WebGl2(ref gl) => gl.create_program(),
};
match raw_program {
Some(p) => {
let key = self.programs.borrow_mut().0.insert(());
self.programs.borrow_mut().1.insert(key, p);
Ok(key)
}
None => Err(String::from("Unable to create program object")),
}
}
unsafe fn is_program(&self, program: Self::Program) -> bool {
let programs = self.programs.borrow_mut();
if let Some(ref p) = programs.1.get(program) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.is_program(Some(p)),
RawRenderingContext::WebGl2(ref gl) => gl.is_program(Some(p)),
}
} else {
false
}
}
unsafe fn delete_program(&self, program: Self::Program) {
let mut programs = self.programs.borrow_mut();
if let Some(ref p) = programs.1.remove(program) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.delete_program(Some(p)),
RawRenderingContext::WebGl2(ref gl) => gl.delete_program(Some(p)),
}
}
}
unsafe fn attach_shader(&self, program: Self::Program, shader: Self::Shader) {
let programs = self.programs.borrow();
let shaders = self.shaders.borrow();
let raw_program = programs.1.get_unchecked(program);
let raw_shader = shaders.1.get_unchecked(shader);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.attach_shader(raw_program, raw_shader),
RawRenderingContext::WebGl2(ref gl) => gl.attach_shader(raw_program, raw_shader),
}
}
unsafe fn detach_shader(&self, program: Self::Program, shader: Self::Shader) {
let programs = self.programs.borrow();
let shaders = self.shaders.borrow();
let raw_program = programs.1.get_unchecked(program);
let raw_shader = shaders.1.get_unchecked(shader);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.detach_shader(raw_program, raw_shader),
RawRenderingContext::WebGl2(ref gl) => gl.detach_shader(raw_program, raw_shader),
}
}
unsafe fn link_program(&self, program: Self::Program) {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.link_program(raw_program),
RawRenderingContext::WebGl2(ref gl) => gl.link_program(raw_program),
}
}
unsafe fn get_program_link_status(&self, program: Self::Program) -> bool {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.get_program_parameter(raw_program, LINK_STATUS)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.get_program_parameter(raw_program, LINK_STATUS)
}
}
.as_bool()
.unwrap_or(false)
}
unsafe fn get_program_info_log(&self, program: Self::Program) -> String {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_program_info_log(raw_program),
RawRenderingContext::WebGl2(ref gl) => gl.get_program_info_log(raw_program),
}
.unwrap_or_else(|| String::from(""))
}
unsafe fn get_active_uniforms(&self, program: Self::Program) -> u32 {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.get_program_parameter(raw_program, WebGlRenderingContext::ACTIVE_UNIFORMS)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.get_program_parameter(raw_program, WebGl2RenderingContext::ACTIVE_UNIFORMS)
}
}
.as_f64()
.map(|v| v as u32)
.unwrap_or(0)
}
unsafe fn get_active_uniform(
&self,
program: Self::Program,
index: u32,
) -> Option<ActiveUniform> {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.get_active_uniform(raw_program, index)
.map(|au| ActiveUniform {
size: au.size(),
utype: au.type_(),
name: au.name(),
})
}
RawRenderingContext::WebGl2(ref gl) => {
gl.get_active_uniform(raw_program, index)
.map(|au| ActiveUniform {
size: au.size(),
utype: au.type_(),
name: au.name(),
})
}
}
}
unsafe fn use_program(&self, program: Option<Self::Program>) {
let programs = self.programs.borrow();
let raw_program = program.map(|p| programs.1.get_unchecked(p));
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.use_program(raw_program),
RawRenderingContext::WebGl2(ref gl) => gl.use_program(raw_program),
}
}
unsafe fn create_buffer(&self) -> Result<Self::Buffer, String> {
let raw_buffer = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.create_buffer(),
RawRenderingContext::WebGl2(ref gl) => gl.create_buffer(),
};
match raw_buffer {
Some(p) => {
let key = self.buffers.borrow_mut().0.insert(());
self.buffers.borrow_mut().1.insert(key, p);
Ok(key)
}
None => Err(String::from("Unable to create buffer object")),
}
}
unsafe fn is_buffer(&self, buffer: Self::Buffer) -> bool {
let buffers = self.buffers.borrow_mut();
if let Some(ref b) = buffers.1.get(buffer) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.is_buffer(Some(b)),
RawRenderingContext::WebGl2(ref gl) => gl.is_buffer(Some(b)),
}
} else {
false
}
}
unsafe fn bind_buffer(&self, target: u32, buffer: Option<Self::Buffer>) {
let buffers = self.buffers.borrow();
let raw_buffer = buffer.map(|b| buffers.1.get_unchecked(b));
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.bind_buffer(target, raw_buffer),
RawRenderingContext::WebGl2(ref gl) => gl.bind_buffer(target, raw_buffer),
}
}
unsafe fn bind_buffer_base(&self, target: u32, index: u32, buffer: Option<Self::Buffer>) {
let buffers = self.buffers.borrow();
let raw_buffer = buffer.map(|b| buffers.1.get_unchecked(b));
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("bind_buffer_base not supported on webgl1")
}
RawRenderingContext::WebGl2(ref gl) => gl.bind_buffer_base(target, index, raw_buffer),
}
}
unsafe fn bind_buffer_range(
&self,
target: u32,
index: u32,
buffer: Option<Self::Buffer>,
offset: i32,
size: i32,
) {
let buffers = self.buffers.borrow();
let raw_buffer = buffer.map(|b| buffers.1.get_unchecked(b));
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("bind_buffer_range not supported on webgl1");
}
RawRenderingContext::WebGl2(ref gl) => {
gl.bind_buffer_range_with_i32_and_i32(target, index, raw_buffer, offset, size);
}
}
}
unsafe fn bind_framebuffer(&self, target: u32, framebuffer: Option<Self::Framebuffer>) {
let framebuffers = self.framebuffers.borrow();
let raw_framebuffer = framebuffer.map(|f| framebuffers.1.get_unchecked(f));
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.bind_framebuffer(target, raw_framebuffer),
RawRenderingContext::WebGl2(ref gl) => gl.bind_framebuffer(target, raw_framebuffer),
}
}
unsafe fn bind_renderbuffer(&self, target: u32, renderbuffer: Option<Self::Renderbuffer>) {
let renderbuffers = self.renderbuffers.borrow();
let raw_renderbuffer = renderbuffer.map(|r| renderbuffers.1.get_unchecked(r));
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.bind_renderbuffer(target, raw_renderbuffer),
RawRenderingContext::WebGl2(ref gl) => gl.bind_renderbuffer(target, raw_renderbuffer),
}
}
unsafe fn blit_framebuffer(
&self,
src_x0: i32,
src_y0: i32,
src_x1: i32,
src_y1: i32,
dst_x0: i32,
dst_y0: i32,
dst_x1: i32,
dst_y1: i32,
mask: u32,
filter: u32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("framebuffer blitting usupported in webgl1")
}
RawRenderingContext::WebGl2(ref gl) => {
gl.blit_framebuffer(
src_x0, src_y0, src_x1, src_y1, dst_x0, dst_y0, dst_x1, dst_y1, mask, filter,
);
}
}
}
unsafe fn create_vertex_array(&self) -> Result<Self::VertexArray, String> {
let raw_vertex_array = match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
match &self.extensions.oes_vertex_array_object {
Some(extension) => extension.create_vertex_array_oes(),
None => panic!("Vertex array objects are not supported"),
}
}
RawRenderingContext::WebGl2(ref gl) => gl.create_vertex_array(),
};
match raw_vertex_array {
Some(va) => {
let key = self.vertex_arrays.borrow_mut().0.insert(());
self.vertex_arrays.borrow_mut().1.insert(key, va);
Ok(key)
}
None => Err(String::from("Unable to create vertex array object")),
}
}
unsafe fn delete_vertex_array(&self, vertex_array: Self::VertexArray) {
let mut vertex_arrays = self.vertex_arrays.borrow_mut();
if let Some(ref va) = vertex_arrays.1.remove(vertex_array) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
match &self.extensions.oes_vertex_array_object {
Some(extension) => extension.delete_vertex_array_oes(Some(va)),
None => panic!("Vertex array objects are not supported"),
}
}
RawRenderingContext::WebGl2(ref gl) => gl.delete_vertex_array(Some(va)),
}
}
}
unsafe fn bind_vertex_array(&self, vertex_array: Option<Self::VertexArray>) {
let vertex_arrays = self.vertex_arrays.borrow();
let raw_vertex_array = vertex_array.map(|va| vertex_arrays.1.get_unchecked(va));
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
match &self.extensions.oes_vertex_array_object {
Some(extension) => extension.bind_vertex_array_oes(raw_vertex_array),
None => panic!("Vertex array objects are not supported"),
}
}
RawRenderingContext::WebGl2(ref gl) => gl.bind_vertex_array(raw_vertex_array),
}
}
unsafe fn clear_color(&self, red: f32, green: f32, blue: f32, alpha: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.clear_color(red, green, blue, alpha),
RawRenderingContext::WebGl2(ref gl) => gl.clear_color(red, green, blue, alpha),
}
}
unsafe fn supports_f64_precision() -> bool {
false
}
unsafe fn clear_depth_f64(&self, _depth: f64) {
panic!("64-bit float precision is not supported in WebGL");
}
unsafe fn clear_depth_f32(&self, depth: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.clear_depth(depth),
RawRenderingContext::WebGl2(ref gl) => gl.clear_depth(depth),
}
}
unsafe fn clear_stencil(&self, stencil: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.clear_stencil(stencil),
RawRenderingContext::WebGl2(ref gl) => gl.clear_stencil(stencil),
}
}
unsafe fn clear(&self, mask: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.clear(mask),
RawRenderingContext::WebGl2(ref gl) => gl.clear(mask),
}
}
unsafe fn patch_parameter_i32(&self, _parameter: u32, _value: i32) {
panic!("Patch parameter is not supported");
}
unsafe fn pixel_store_i32(&self, parameter: u32, value: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.pixel_storei(parameter, value),
RawRenderingContext::WebGl2(ref gl) => gl.pixel_storei(parameter, value),
}
}
unsafe fn pixel_store_bool(&self, parameter: u32, value: bool) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.pixel_storei(parameter, value as i32),
RawRenderingContext::WebGl2(ref gl) => gl.pixel_storei(parameter, value as i32),
}
}
unsafe fn bind_frag_data_location(
&self,
_program: Self::Program,
_color_number: u32,
_name: &str,
) {
panic!("Bind frag data location is not supported");
}
unsafe fn buffer_data_size(&self, target: u32, size: i32, usage: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.buffer_data_with_i32(target, size, usage),
RawRenderingContext::WebGl2(ref gl) => gl.buffer_data_with_i32(target, size, usage),
}
}
unsafe fn buffer_data_u8_slice(&self, target: u32, data: &[u8], usage: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
let array = js_sys::Uint8Array::view(data);
gl.buffer_data_with_array_buffer_view(target, &array, usage);
}
RawRenderingContext::WebGl2(ref gl) => {
let array = js_sys::Uint8Array::view(data);
gl.buffer_data_with_array_buffer_view(target, &array, usage);
}
}
}
unsafe fn buffer_sub_data_u8_slice(&self, target: u32, offset: i32, src_data: &[u8]) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
let array = js_sys::Uint8Array::view(src_data);
gl.buffer_sub_data_with_i32_and_array_buffer_view(target, offset, &array);
}
RawRenderingContext::WebGl2(ref gl) => {
let array = js_sys::Uint8Array::view(src_data);
gl.buffer_sub_data_with_i32_and_array_buffer_view(target, offset, &array);
}
}
}
unsafe fn get_buffer_sub_data(&self, target: u32, offset: i32, dst_data: &mut [u8]) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("get_buffer_sub_data not supported"),
RawRenderingContext::WebGl2(ref gl) => {
let array = js_sys::Uint8Array::view(dst_data);
gl.get_buffer_sub_data_with_i32_and_array_buffer_view(target, offset, &array);
}
}
}
unsafe fn buffer_storage(&self, _target: u32, _size: i32, _data: Option<&[u8]>, _flags: u32) {
panic!("Buffer storage is not supported");
}
unsafe fn check_framebuffer_status(&self, target: u32) -> u32 {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.check_framebuffer_status(target),
RawRenderingContext::WebGl2(ref gl) => gl.check_framebuffer_status(target),
}
}
unsafe fn clear_buffer_i32_slice(&self, target: u32, draw_buffer: u32, values: &mut [i32]) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Clear buffer with `i32` slice is not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
gl.clear_bufferiv_with_i32_array(target, draw_buffer as i32, values);
}
}
}
unsafe fn clear_buffer_u32_slice(&self, target: u32, draw_buffer: u32, values: &mut [u32]) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Clear buffer with `u32` slice is not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
gl.clear_bufferuiv_with_u32_array(target, draw_buffer as i32, values)
}
}
}
unsafe fn clear_buffer_f32_slice(&self, target: u32, draw_buffer: u32, values: &mut [f32]) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Clear buffer with `f32` slice is not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
gl.clear_bufferfv_with_f32_array(target, draw_buffer as i32, values)
}
}
}
unsafe fn clear_buffer_depth_stencil(
&self,
target: u32,
draw_buffer: u32,
depth: f32,
stencil: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Clear buffer depth stencil is not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
gl.clear_bufferfi(target, draw_buffer as i32, depth, stencil)
}
}
}
unsafe fn client_wait_sync(&self, _fence: Self::Fence, _flags: u32, _timeout: i32) -> u32 {
panic!("Client wait sync is not supported")
}
unsafe fn wait_sync(&self, _fence: Self::Fence, _flags: u32, _timeout: u64) {
panic!("Wait sync is not supported")
}
unsafe fn copy_buffer_sub_data(
&self,
src_target: u32,
dst_target: u32,
src_offset: i32,
dst_offset: i32,
size: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Copy buffer subdata is not supported"),
RawRenderingContext::WebGl2(ref gl) => gl
.copy_buffer_sub_data_with_i32_and_i32_and_i32(
src_target, dst_target, src_offset, dst_offset, size,
),
}
}
unsafe fn delete_buffer(&self, buffer: Self::Buffer) {
let mut buffers = self.buffers.borrow_mut();
if let Some(ref b) = buffers.1.remove(buffer) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.delete_buffer(Some(b)),
RawRenderingContext::WebGl2(ref gl) => gl.delete_buffer(Some(b)),
}
}
}
unsafe fn delete_framebuffer(&self, framebuffer: Self::Framebuffer) {
let mut framebuffers = self.framebuffers.borrow_mut();
if let Some(ref f) = framebuffers.1.remove(framebuffer) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.delete_framebuffer(Some(f)),
RawRenderingContext::WebGl2(ref gl) => gl.delete_framebuffer(Some(f)),
}
}
}
unsafe fn delete_query(&self, query: Self::Query) {
let mut queries = self.queries.borrow_mut();
if let Some(ref r) = queries.1.remove(query) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Query objects are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.delete_query(Some(r)),
}
}
}
unsafe fn delete_renderbuffer(&self, renderbuffer: Self::Renderbuffer) {
let mut renderbuffers = self.renderbuffers.borrow_mut();
if let Some(ref r) = renderbuffers.1.remove(renderbuffer) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.delete_renderbuffer(Some(r)),
RawRenderingContext::WebGl2(ref gl) => gl.delete_renderbuffer(Some(r)),
}
}
}
unsafe fn delete_sampler(&self, sampler: Self::Sampler) {
let mut samplers = self.samplers.borrow_mut();
if let Some(ref s) = samplers.1.remove(sampler) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Samplers are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.delete_sampler(Some(s)),
}
}
}
unsafe fn delete_sync(&self, fence: Self::Fence) {
let mut fences = self.fences.borrow_mut();
if let Some(ref f) = fences.1.remove(fence) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Fences are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.delete_sync(Some(f)),
}
}
}
unsafe fn delete_texture(&self, texture: Self::Texture) {
let mut textures = self.textures.borrow_mut();
if let Some(ref t) = textures.1.remove(texture) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.delete_texture(Some(t)),
RawRenderingContext::WebGl2(ref gl) => gl.delete_texture(Some(t)),
}
}
}
unsafe fn disable(&self, parameter: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.disable(parameter),
RawRenderingContext::WebGl2(ref gl) => gl.disable(parameter),
}
}
unsafe fn disable_draw_buffer(&self, _parameter: u32, _draw_buffer: u32) {
panic!("Draw buffer disable is not supported");
}
unsafe fn disable_vertex_attrib_array(&self, index: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.disable_vertex_attrib_array(index),
RawRenderingContext::WebGl2(ref gl) => gl.disable_vertex_attrib_array(index),
}
}
unsafe fn dispatch_compute(&self, _groups_x: u32, _groups_y: u32, _groups_z: u32) {
panic!("Dispatch compute is not supported");
}
unsafe fn dispatch_compute_indirect(&self, _offset: i32) {
panic!("Dispatch compute indirect is not supported");
}
unsafe fn draw_arrays(&self, mode: u32, first: i32, count: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.draw_arrays(mode as u32, first, count),
RawRenderingContext::WebGl2(ref gl) => gl.draw_arrays(mode as u32, first, count),
}
}
unsafe fn draw_arrays_instanced(&self, mode: u32, first: i32, count: i32, instance_count: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => match &self.extensions.angle_instanced_arrays {
Some(extension) => {
extension.draw_arrays_instanced_angle(mode as u32, first, count, instance_count)
}
None => panic!("Draw arrays instanced is not supported"),
},
RawRenderingContext::WebGl2(ref gl) => {
gl.draw_arrays_instanced(mode as u32, first, count, instance_count)
}
}
}
unsafe fn draw_arrays_instanced_base_instance(
&self,
_mode: u32,
_first: i32,
_count: i32,
_instance_count: i32,
_base_instance: u32,
) {
panic!("Draw arrays instanced base instance is not supported");
}
unsafe fn draw_buffer(&self, draw_buffer: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
if let Some(ext) = &self.extensions.webgl_draw_buffers {
ext.draw_buffers_webgl(&Array::of1(&draw_buffer.into()))
} else {
panic!("webgl1 WEBGL_draw_buffers extension not available");
}
}
RawRenderingContext::WebGl2(ref gl) => {
gl.draw_buffers(&Array::of1(&draw_buffer.into()));
}
}
}
unsafe fn draw_buffers(&self, buffers: &[u32]) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
if let Some(ext) = &self.extensions.webgl_draw_buffers {
let js_buffers = Array::new();
for &b in buffers {
js_buffers.push(&b.into());
}
ext.draw_buffers_webgl(&Array::of1(&js_buffers))
} else {
panic!("webgl1 WEBGL_draw_buffers extension not available");
}
}
RawRenderingContext::WebGl2(ref gl) => {
let js_buffers = Array::new();
for &b in buffers {
js_buffers.push(&b.into());
}
gl.draw_buffers(&js_buffers);
}
}
}
unsafe fn draw_elements(&self, mode: u32, count: i32, element_type: u32, offset: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.draw_elements_with_i32(mode as u32, count, element_type as u32, offset);
}
RawRenderingContext::WebGl2(ref gl) => {
gl.draw_elements_with_i32(mode as u32, count, element_type as u32, offset);
}
}
}
unsafe fn draw_elements_base_vertex(
&self,
_mode: u32,
_count: i32,
_element_type: u32,
_offset: i32,
_base_vertex: i32,
) {
panic!("Draw elements base vertex is not supported");
}
unsafe fn draw_elements_instanced(
&self,
mode: u32,
count: i32,
element_type: u32,
offset: i32,
instance_count: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => match &self.extensions.angle_instanced_arrays {
None => panic!("Draw elements instanced is not supported"),
Some(extension) => extension.draw_elements_instanced_angle_with_i32(
mode as u32,
count,
element_type as u32,
offset,
instance_count,
),
},
RawRenderingContext::WebGl2(ref gl) => {
gl.draw_elements_instanced_with_i32(
mode as u32,
count,
element_type as u32,
offset,
instance_count,
);
}
}
}
unsafe fn draw_elements_instanced_base_vertex(
&self,
_mode: u32,
_count: i32,
_element_type: u32,
_offset: i32,
_instance_count: i32,
_base_vertex: i32,
) {
panic!("Draw elements instanced base vertex is not supported");
}
unsafe fn draw_elements_instanced_base_vertex_base_instance(
&self,
_mode: u32,
_count: i32,
_element_type: u32,
_offset: i32,
_instance_count: i32,
_base_vertex: i32,
_base_instance: u32,
) {
panic!("Draw elements instanced base vertex base instance is not supported");
}
unsafe fn enable(&self, parameter: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.enable(parameter),
RawRenderingContext::WebGl2(ref gl) => gl.enable(parameter),
}
}
unsafe fn is_enabled(&self, parameter: u32) -> bool {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.is_enabled(parameter),
RawRenderingContext::WebGl2(ref gl) => gl.is_enabled(parameter),
}
}
unsafe fn enable_draw_buffer(&self, _parameter: u32, _draw_buffer: u32) {
panic!("Draw buffer enable is not supported");
}
unsafe fn enable_vertex_attrib_array(&self, index: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.enable_vertex_attrib_array(index),
RawRenderingContext::WebGl2(ref gl) => gl.enable_vertex_attrib_array(index),
}
}
unsafe fn flush(&self) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.flush(),
RawRenderingContext::WebGl2(ref gl) => gl.flush(),
}
}
unsafe fn framebuffer_renderbuffer(
&self,
target: u32,
attachment: u32,
renderbuffer_target: u32,
renderbuffer: Option<Self::Renderbuffer>,
) {
let renderbuffers = self.renderbuffers.borrow();
let raw_renderbuffer = renderbuffer.map(|r| renderbuffers.1.get_unchecked(r));
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.framebuffer_renderbuffer(
target,
attachment,
renderbuffer_target,
raw_renderbuffer,
),
RawRenderingContext::WebGl2(ref gl) => gl.framebuffer_renderbuffer(
target,
attachment,
renderbuffer_target,
raw_renderbuffer,
),
}
}
unsafe fn framebuffer_texture(
&self,
_target: u32,
_attachment: u32,
_texture: Option<Self::Texture>,
_level: i32,
) {
panic!("Framebuffer texture is not supported");
}
unsafe fn framebuffer_texture_2d(
&self,
target: u32,
attachment: u32,
texture_target: u32,
texture: Option<Self::Texture>,
level: i32,
) {
let textures = self.textures.borrow();
let raw_texture = texture.map(|t| textures.1.get_unchecked(t));
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.framebuffer_texture_2d(target, attachment, texture_target, raw_texture, level);
}
RawRenderingContext::WebGl2(ref gl) => {
gl.framebuffer_texture_2d(target, attachment, texture_target, raw_texture, level);
}
}
}
unsafe fn framebuffer_texture_3d(
&self,
_target: u32,
_attachment: u32,
_texture_target: u32,
_texture: Option<Self::Texture>,
_level: i32,
_layer: i32,
) {
panic!("Framebuffer texture 3D is not supported");
}
unsafe fn framebuffer_texture_layer(
&self,
target: u32,
attachment: u32,
texture: Option<Self::Texture>,
level: i32,
layer: i32,
) {
let textures = self.textures.borrow();
let raw_texture = texture.map(|t| textures.1.get_unchecked(t));
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Framebuffer texture layer is not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
gl.framebuffer_texture_layer(target, attachment, raw_texture, level, layer);
}
}
}
unsafe fn front_face(&self, value: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.front_face(value as u32),
RawRenderingContext::WebGl2(ref gl) => gl.front_face(value as u32),
}
}
unsafe fn get_error(&self) -> u32 {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_error(),
RawRenderingContext::WebGl2(ref gl) => gl.get_error(),
}
}
unsafe fn get_tex_parameter_i32(&self, target: u32, parameter: u32) -> i32 {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_tex_parameter(target, parameter),
RawRenderingContext::WebGl2(ref gl) => gl.get_tex_parameter(target, parameter),
}
.as_f64()
.map(|v| v as i32)
.unwrap_or(0)
}
unsafe fn get_buffer_parameter_i32(&self, target: u32, parameter: u32) -> i32 {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_buffer_parameter(target, parameter),
RawRenderingContext::WebGl2(ref gl) => gl.get_buffer_parameter(target, parameter),
}
.as_f64()
.map(|v| v as i32)
.unwrap_or(0)
}
unsafe fn get_parameter_i32(&self, parameter: u32) -> i32 {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_parameter(parameter),
RawRenderingContext::WebGl2(ref gl) => gl.get_parameter(parameter),
}
.unwrap()
.as_f64()
.map(|v| v as i32)
.unwrap_or(0)
}
unsafe fn get_parameter_i32_slice(&self, parameter: u32, v: &mut [i32]) {
let value = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_parameter(parameter),
RawRenderingContext::WebGl2(ref gl) => gl.get_parameter(parameter),
}
.unwrap();
use wasm_bindgen::JsCast;
if let Some(value) = value.as_f64() {
v[0] = value as i32;
} else if let Some(values) = value.dyn_ref::<js_sys::Int32Array>() {
values.copy_to(v)
}
}
unsafe fn get_parameter_f32(&self, parameter: u32) -> f32 {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_parameter(parameter),
RawRenderingContext::WebGl2(ref gl) => gl.get_parameter(parameter),
}
.unwrap()
.as_f64()
.map(|v| v as f32)
.unwrap_or(0.0)
}
unsafe fn get_parameter_f32_slice(&self, parameter: u32, v: &mut [f32]) {
let value = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_parameter(parameter),
RawRenderingContext::WebGl2(ref gl) => gl.get_parameter(parameter),
}
.unwrap();
use wasm_bindgen::JsCast;
if let Some(value) = value.as_f64() {
v[0] = value as f32;
} else if let Some(values) = value.dyn_ref::<js_sys::Float32Array>() {
values.copy_to(v)
}
}
unsafe fn get_parameter_indexed_i32(&self, parameter: u32, index: u32) -> i32 {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Get parameter indexed is not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl.get_indexed_parameter(parameter, index),
}
.unwrap()
.as_f64()
.map(|v| v as i32)
.unwrap_or(0)
}
unsafe fn get_parameter_indexed_string(&self, parameter: u32, index: u32) -> String {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Get parameter indexed is not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl.get_indexed_parameter(parameter, index),
}
.unwrap()
.as_string()
.unwrap_or_else(|| String::from(""))
}
unsafe fn get_parameter_string(&self, parameter: u32) -> String {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_parameter(parameter),
RawRenderingContext::WebGl2(ref gl) => gl.get_parameter(parameter),
}
.unwrap()
.as_string()
.unwrap_or_else(|| String::from(""))
}
unsafe fn get_uniform_location(
&self,
program: Self::Program,
name: &str,
) -> Option<Self::UniformLocation> {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_uniform_location(raw_program, name),
RawRenderingContext::WebGl2(ref gl) => gl.get_uniform_location(raw_program, name),
}
}
unsafe fn get_attrib_location(&self, program: Self::Program, name: &str) -> Option<u32> {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
let attrib_location = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_attrib_location(raw_program, name),
RawRenderingContext::WebGl2(ref gl) => gl.get_attrib_location(raw_program, name),
};
if attrib_location < 0 {
None
} else {
Some(attrib_location as u32)
}
}
unsafe fn bind_attrib_location(&self, program: Self::Program, index: u32, name: &str) {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.bind_attrib_location(raw_program, index, name)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.bind_attrib_location(raw_program, index, name)
}
}
}
unsafe fn get_active_attributes(&self, program: Self::Program) -> u32 {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.get_program_parameter(raw_program, WebGlRenderingContext::ACTIVE_ATTRIBUTES)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.get_program_parameter(raw_program, WebGl2RenderingContext::ACTIVE_ATTRIBUTES)
}
}
.as_f64()
.map(|v| v as u32)
.unwrap_or(0)
}
unsafe fn get_active_attribute(
&self,
program: Self::Program,
index: u32,
) -> Option<ActiveAttribute> {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.get_active_attrib(raw_program, index)
.map(|au| ActiveAttribute {
size: au.size(),
atype: au.type_(),
name: au.name(),
})
}
RawRenderingContext::WebGl2(ref gl) => {
gl.get_active_attrib(raw_program, index)
.map(|au| ActiveAttribute {
size: au.size(),
atype: au.type_(),
name: au.name(),
})
}
}
}
unsafe fn get_sync_status(&self, fence: Self::Fence) -> u32 {
let fences = self.fences.borrow();
let raw_fence = fences.1.get_unchecked(fence);
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Sync is not supported"),
RawRenderingContext::WebGl2(ref gl) => gl
.get_sync_parameter(raw_fence, SYNC_STATUS)
.as_f64()
.map(|v| v as u32)
.unwrap_or(UNSIGNALED),
}
}
unsafe fn is_sync(&self, fence: Self::Fence) -> bool {
let fences = self.fences.borrow();
let raw_fence = fences.1.get_unchecked(fence);
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Sync is not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.is_sync(Some(raw_fence)),
}
}
unsafe fn renderbuffer_storage(
&self,
target: u32,
internal_format: u32,
width: i32,
height: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.renderbuffer_storage(target, internal_format, width, height);
}
RawRenderingContext::WebGl2(ref gl) => {
gl.renderbuffer_storage(target, internal_format, width, height);
}
}
}
unsafe fn renderbuffer_storage_multisample(
&self,
target: u32,
samples: i32,
internal_format: u32,
width: i32,
height: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Renderbuffer storage multisample is not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
gl.renderbuffer_storage_multisample(
target,
samples,
internal_format,
width,
height,
);
}
}
}
unsafe fn sampler_parameter_f32(&self, sampler: Self::Sampler, name: u32, value: f32) {
let samplers = self.samplers.borrow();
let raw_sampler = samplers.1.get_unchecked(sampler);
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Samper parameter for `f32` is not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
gl.sampler_parameterf(raw_sampler, name, value);
}
}
}
unsafe fn sampler_parameter_f32_slice(
&self,
_sampler: Self::Sampler,
_name: u32,
_value: &mut [f32],
) {
panic!("Sampler parameter for `f32` slice is not supported");
}
unsafe fn sampler_parameter_i32(&self, sampler: Self::Sampler, name: u32, value: i32) {
let samplers = self.samplers.borrow();
let raw_sampler = samplers.1.get_unchecked(sampler);
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Samper parameter for `i32` is not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
gl.sampler_parameteri(raw_sampler, name, value);
}
}
}
unsafe fn generate_mipmap(&self, target: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.generate_mipmap(target);
}
RawRenderingContext::WebGl2(ref gl) => {
gl.generate_mipmap(target);
}
}
}
unsafe fn tex_image_1d(
&self,
_target: u32,
_level: i32,
_internal_format: i32,
_width: i32,
_border: i32,
_format: u32,
_ty: u32,
_pixels: Option<&[u8]>,
) {
panic!("Tex image 1D is not supported");
}
unsafe fn tex_image_2d(
&self,
target: u32,
level: i32,
internal_format: i32,
width: i32,
height: i32,
border: i32,
format: u32,
ty: u32,
pixels: Option<&[u8]>,
) {
let pixels = pixels.map(|bytes| texture_data_view(ty, bytes));
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.tex_image_2d_with_i32_and_i32_and_i32_and_format_and_type_and_opt_array_buffer_view(
target,
level,
internal_format,
width,
height,
border,
format,
ty,
pixels.as_ref(),
)
.unwrap();
}
RawRenderingContext::WebGl2(ref gl) => {
gl.tex_image_2d_with_i32_and_i32_and_i32_and_format_and_type_and_opt_array_buffer_view(
target,
level,
internal_format,
width,
height,
border,
format,
ty,
pixels.as_ref(),
)
.unwrap();
}
}
}
unsafe fn tex_image_3d(
&self,
target: u32,
level: i32,
internal_format: i32,
width: i32,
height: i32,
depth: i32,
border: i32,
format: u32,
ty: u32,
pixels: Option<&[u8]>,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("3d textures are not supported"),
RawRenderingContext::WebGl2(ref gl) => {
let pixels = pixels.map(|bytes| texture_data_view(ty, bytes));
gl.tex_image_3d_with_opt_array_buffer_view(
target,
level,
internal_format,
width,
height,
depth,
border,
format,
ty,
pixels.as_ref(),
)
.unwrap();
}
}
}
unsafe fn tex_storage_1d(
&self,
_target: u32,
_levels: i32,
_internal_format: u32,
_width: i32,
) {
panic!("Tex storage 1D is not supported");
}
unsafe fn tex_storage_2d(
&self,
target: u32,
levels: i32,
internal_format: u32,
width: i32,
height: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Tex storage 2D is not supported"),
RawRenderingContext::WebGl2(ref gl) => {
gl.tex_storage_2d(target, levels, internal_format, width, height);
}
}
}
unsafe fn tex_storage_3d(
&self,
target: u32,
levels: i32,
internal_format: u32,
width: i32,
height: i32,
depth: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Tex storage 3D is not supported"),
RawRenderingContext::WebGl2(ref gl) => {
gl.tex_storage_3d(target, levels, internal_format, width, height, depth);
}
}
}
unsafe fn uniform_1_i32(&self, uniform_location: Option<&Self::UniformLocation>, x: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.uniform1i(uniform_location, x),
RawRenderingContext::WebGl2(ref gl) => gl.uniform1i(uniform_location, x),
}
}
unsafe fn uniform_2_i32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: i32,
y: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.uniform2i(uniform_location, x, y),
RawRenderingContext::WebGl2(ref gl) => gl.uniform2i(uniform_location, x, y),
}
}
unsafe fn uniform_3_i32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: i32,
y: i32,
z: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.uniform3i(uniform_location, x, y, z),
RawRenderingContext::WebGl2(ref gl) => gl.uniform3i(uniform_location, x, y, z),
}
}
unsafe fn uniform_4_i32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: i32,
y: i32,
z: i32,
w: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.uniform4i(uniform_location, x, y, z, w),
RawRenderingContext::WebGl2(ref gl) => gl.uniform4i(uniform_location, x, y, z, w),
}
}
unsafe fn uniform_1_i32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[i32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform1iv_with_i32_array(uniform_location, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform1iv_with_i32_array(uniform_location, v)
}
}
}
unsafe fn uniform_2_i32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[i32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform2iv_with_i32_array(uniform_location, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform2iv_with_i32_array(uniform_location, v)
}
}
}
unsafe fn uniform_3_i32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[i32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform3iv_with_i32_array(uniform_location, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform3iv_with_i32_array(uniform_location, v)
}
}
}
unsafe fn uniform_4_i32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[i32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform4iv_with_i32_array(uniform_location, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform4iv_with_i32_array(uniform_location, v)
}
}
}
unsafe fn uniform_1_u32(&self, uniform_location: Option<&Self::UniformLocation>, x: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Unsigned uniforms are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.uniform1ui(uniform_location, x),
}
}
unsafe fn uniform_2_u32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: u32,
y: u32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Unsigned uniforms are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.uniform2ui(uniform_location, x, y),
}
}
unsafe fn uniform_3_u32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: u32,
y: u32,
z: u32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Unsigned uniforms are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.uniform3ui(uniform_location, x, y, z),
}
}
unsafe fn uniform_4_u32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: u32,
y: u32,
z: u32,
w: u32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Unsigned uniforms are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.uniform4ui(uniform_location, x, y, z, w),
}
}
unsafe fn uniform_1_u32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[u32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Unsigned uniforms are not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform1uiv_with_u32_array(uniform_location, v)
}
}
}
unsafe fn uniform_2_u32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[u32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Unsigned uniforms are not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform2uiv_with_u32_array(uniform_location, v)
}
}
}
unsafe fn uniform_3_u32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[u32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Unsigned uniforms are not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform3uiv_with_u32_array(uniform_location, v)
}
}
}
unsafe fn uniform_4_u32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[u32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Unsigned uniforms are not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform4uiv_with_u32_array(uniform_location, v)
}
}
}
unsafe fn uniform_1_f32(&self, uniform_location: Option<&Self::UniformLocation>, x: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.uniform1f(uniform_location, x),
RawRenderingContext::WebGl2(ref gl) => gl.uniform1f(uniform_location, x),
}
}
unsafe fn uniform_2_f32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: f32,
y: f32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.uniform2f(uniform_location, x, y),
RawRenderingContext::WebGl2(ref gl) => gl.uniform2f(uniform_location, x, y),
}
}
unsafe fn uniform_3_f32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: f32,
y: f32,
z: f32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.uniform3f(uniform_location, x, y, z),
RawRenderingContext::WebGl2(ref gl) => gl.uniform3f(uniform_location, x, y, z),
}
}
unsafe fn uniform_4_f32(
&self,
uniform_location: Option<&Self::UniformLocation>,
x: f32,
y: f32,
z: f32,
w: f32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.uniform4f(uniform_location, x, y, z, w),
RawRenderingContext::WebGl2(ref gl) => gl.uniform4f(uniform_location, x, y, z, w),
}
}
unsafe fn uniform_1_f32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[f32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform1fv_with_f32_array(uniform_location, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform1fv_with_f32_array(uniform_location, v)
}
}
}
unsafe fn uniform_2_f32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[f32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform2fv_with_f32_array(uniform_location, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform2fv_with_f32_array(uniform_location, v)
}
}
}
unsafe fn uniform_3_f32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[f32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform3fv_with_f32_array(uniform_location, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform3fv_with_f32_array(uniform_location, v)
}
}
}
unsafe fn uniform_4_f32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
v: &[f32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform4fv_with_f32_array(uniform_location, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform4fv_with_f32_array(uniform_location, v)
}
}
}
unsafe fn uniform_matrix_2_f32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
transpose: bool,
v: &[f32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform_matrix2fv_with_f32_array(uniform_location, transpose, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform_matrix2fv_with_f32_array(uniform_location, transpose, v)
}
}
}
unsafe fn uniform_matrix_3_f32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
transpose: bool,
v: &[f32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform_matrix3fv_with_f32_array(uniform_location, transpose, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform_matrix3fv_with_f32_array(uniform_location, transpose, v)
}
}
}
unsafe fn uniform_matrix_4_f32_slice(
&self,
uniform_location: Option<&Self::UniformLocation>,
transpose: bool,
v: &[f32],
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.uniform_matrix4fv_with_f32_array(uniform_location, transpose, v)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.uniform_matrix4fv_with_f32_array(uniform_location, transpose, v)
}
}
}
unsafe fn unmap_buffer(&self, _target: u32) {
panic!("Unmap buffer is not supported");
}
unsafe fn cull_face(&self, value: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.cull_face(value as u32),
RawRenderingContext::WebGl2(ref gl) => gl.cull_face(value as u32),
}
}
unsafe fn color_mask(&self, red: bool, green: bool, blue: bool, alpha: bool) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.color_mask(red, green, blue, alpha),
RawRenderingContext::WebGl2(ref gl) => gl.color_mask(red, green, blue, alpha),
}
}
unsafe fn color_mask_draw_buffer(
&self,
_draw_buffer: u32,
_red: bool,
_green: bool,
_blue: bool,
_alpha: bool,
) {
panic!("Draw buffer color masks are not supported");
}
unsafe fn depth_mask(&self, value: bool) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.depth_mask(value),
RawRenderingContext::WebGl2(ref gl) => gl.depth_mask(value),
}
}
unsafe fn blend_color(&self, red: f32, green: f32, blue: f32, alpha: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.blend_color(red, green, blue, alpha),
RawRenderingContext::WebGl2(ref gl) => gl.blend_color(red, green, blue, alpha),
}
}
unsafe fn line_width(&self, width: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.line_width(width),
RawRenderingContext::WebGl2(ref gl) => gl.line_width(width),
}
}
unsafe fn map_buffer_range(
&self,
_target: u32,
_offset: i32,
_length: i32,
_access: u32,
) -> *mut u8 {
panic!("Map buffer range is not supported")
}
unsafe fn flush_mapped_buffer_range(&self, _target: u32, _offset: i32, _length: i32) {
panic!("Flush mapped buffer range is not supported")
}
unsafe fn invalidate_buffer_sub_data(&self, _target: u32, _offset: i32, _length: i32) {
panic!("Invalidate buffer sub data is not supported")
}
unsafe fn invalidate_framebuffer(&self, target: u32, attachments: &[u32]) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Invalidate framebuffer is not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
let js_attachments = Array::new();
for &a in attachments {
js_attachments.push(&a.into());
}
gl.invalidate_framebuffer(target, &js_attachments).unwrap();
}
}
}
unsafe fn polygon_offset(&self, factor: f32, units: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.polygon_offset(factor, units),
RawRenderingContext::WebGl2(ref gl) => gl.polygon_offset(factor, units),
}
}
unsafe fn polygon_mode(&self, _face: u32, mode: u32) {
if mode != FILL {
panic!("Polygon mode other than FILL is not supported");
}
}
unsafe fn finish(&self) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.finish(),
RawRenderingContext::WebGl2(ref gl) => gl.finish(),
}
}
unsafe fn bind_texture(&self, target: u32, texture: Option<Self::Texture>) {
let textures = self.textures.borrow();
let raw_texture = texture.map(|t| textures.1.get_unchecked(t));
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.bind_texture(target, raw_texture),
RawRenderingContext::WebGl2(ref gl) => gl.bind_texture(target, raw_texture),
}
}
unsafe fn bind_sampler(&self, unit: u32, sampler: Option<Self::Sampler>) {
let samplers = self.samplers.borrow();
let raw_sampler = sampler.map(|s| samplers.1.get_unchecked(s));
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Bind sampler is not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.bind_sampler(unit, raw_sampler),
}
}
unsafe fn active_texture(&self, unit: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.active_texture(unit),
RawRenderingContext::WebGl2(ref gl) => gl.active_texture(unit),
}
}
unsafe fn fence_sync(&self, condition: u32, flags: u32) -> Result<Self::Fence, String> {
let raw_fence = match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Fences are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.fence_sync(condition as u32, flags),
};
match raw_fence {
Some(f) => {
let key = self.fences.borrow_mut().0.insert(());
self.fences.borrow_mut().1.insert(key, f);
Ok(key)
}
None => Err(String::from("Unable to create fence object")),
}
}
unsafe fn tex_parameter_f32(&self, target: u32, parameter: u32, value: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.tex_parameterf(target, parameter, value),
RawRenderingContext::WebGl2(ref gl) => gl.tex_parameterf(target, parameter, value),
}
}
unsafe fn tex_parameter_i32(&self, target: u32, parameter: u32, value: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.tex_parameteri(target, parameter, value),
RawRenderingContext::WebGl2(ref gl) => gl.tex_parameteri(target, parameter, value),
}
}
unsafe fn tex_parameter_f32_slice(&self, _target: u32, _parameter: u32, _values: &[f32]) {
panic!("Texture parameters for `&[f32]` are not supported yet");
}
unsafe fn tex_parameter_i32_slice(&self, _target: u32, _parameter: u32, _values: &[i32]) {
panic!("Texture parameters for `&[i32]` are not supported yet");
}
unsafe fn tex_sub_image_2d(
&self,
target: u32,
level: i32,
x_offset: i32,
y_offset: i32,
width: i32,
height: i32,
format: u32,
ty: u32,
pixels: PixelUnpackData,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
match pixels {
PixelUnpackData::BufferOffset(_) => {
panic!("Sub image 2D pixel buffer offset is not supported");
}
PixelUnpackData::Slice(data) => {
let data = texture_data_view(ty, data);
gl.tex_sub_image_2d_with_i32_and_i32_and_u32_and_type_and_opt_array_buffer_view(
target, level, x_offset, y_offset, width, height, format, ty, Some(&data),
)
}
}
.unwrap();
}
RawRenderingContext::WebGl2(ref gl) => {
match pixels {
PixelUnpackData::BufferOffset(offset) => gl
.tex_sub_image_2d_with_i32_and_i32_and_u32_and_type_and_i32(
target,
level,
x_offset,
y_offset,
width,
height,
format,
ty,
offset as i32,
),
PixelUnpackData::Slice(data) => {
let data = texture_data_view(ty, data);
gl.tex_sub_image_2d_with_i32_and_i32_and_u32_and_type_and_opt_array_buffer_view(
target, level, x_offset, y_offset, width, height, format, ty, Some(&data),
)
}
}
.unwrap();
}
}
}
unsafe fn tex_sub_image_3d(
&self,
target: u32,
level: i32,
x_offset: i32,
y_offset: i32,
z_offset: i32,
width: i32,
height: i32,
depth: i32,
format: u32,
ty: u32,
pixels: PixelUnpackData,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Sub image 3D is not supported");
}
RawRenderingContext::WebGl2(ref gl) => {
match pixels {
PixelUnpackData::BufferOffset(offset) => gl.tex_sub_image_3d_with_i32(
target,
level,
x_offset,
y_offset,
z_offset,
width,
height,
depth,
format,
ty,
offset as i32,
),
PixelUnpackData::Slice(slice) => {
let slice = texture_data_view(ty, slice);
gl.tex_sub_image_3d_with_opt_array_buffer_view(
target,
level,
x_offset,
y_offset,
z_offset,
width,
height,
depth,
format,
ty,
Some(&slice),
)
}
}
.unwrap();
}
}
}
unsafe fn depth_func(&self, func: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.depth_func(func as u32),
RawRenderingContext::WebGl2(ref gl) => gl.depth_func(func as u32),
}
}
unsafe fn depth_range_f32(&self, near: f32, far: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.depth_range(near, far),
RawRenderingContext::WebGl2(ref gl) => gl.depth_range(near, far),
}
}
unsafe fn depth_range_f64(&self, _near: f64, _far: f64) {
panic!("Depth range with 64-bit float values is not supported");
}
unsafe fn depth_range_f64_slice(&self, _first: u32, _count: i32, _values: &[[f64; 2]]) {
panic!("Depth range with 64-bit float slices is not supported");
}
unsafe fn scissor(&self, x: i32, y: i32, width: i32, height: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.scissor(x, y, width, height),
RawRenderingContext::WebGl2(ref gl) => gl.scissor(x, y, width, height),
}
}
unsafe fn scissor_slice(&self, _first: u32, _count: i32, _scissors: &[[i32; 4]]) {
panic!("Scissor slice is not supported");
}
unsafe fn vertex_attrib_divisor(&self, index: u32, divisor: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => match &self.extensions.angle_instanced_arrays {
None => panic!("Vertex attrib divisor is not supported"),
Some(extension) => extension.vertex_attrib_divisor_angle(index, divisor),
},
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib_divisor(index, divisor),
}
}
unsafe fn vertex_attrib_pointer_f32(
&self,
index: u32,
size: i32,
data_type: u32,
normalized: bool,
stride: i32,
offset: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl
.vertex_attrib_pointer_with_i32(index, size, data_type, normalized, stride, offset),
RawRenderingContext::WebGl2(ref gl) => gl
.vertex_attrib_pointer_with_i32(index, size, data_type, normalized, stride, offset),
}
}
unsafe fn vertex_attrib_pointer_i32(
&self,
index: u32,
size: i32,
data_type: u32,
stride: i32,
offset: i32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Integer vertex attrib pointer is not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
gl.vertex_attrib_i_pointer_with_i32(index, size, data_type, stride, offset)
}
}
}
unsafe fn vertex_attrib_pointer_f64(
&self,
_index: u32,
_size: i32,
_data_type: u32,
_stride: i32,
_offset: i32,
) {
panic!("64-bit float precision is not supported in WebGL");
}
unsafe fn vertex_attrib_1_f32(&self, index: u32, x: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib1f(index, x),
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib1f(index, x),
}
}
unsafe fn vertex_attrib_2_f32(&self, index: u32, x: f32, y: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib2f(index, x, y),
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib2f(index, x, y),
}
}
unsafe fn vertex_attrib_3_f32(&self, index: u32, x: f32, y: f32, z: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib3f(index, x, y, z),
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib3f(index, x, y, z),
}
}
unsafe fn vertex_attrib_4_f32(&self, index: u32, x: f32, y: f32, z: f32, w: f32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib4f(index, x, y, z, w),
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib4f(index, x, y, z, w),
}
}
unsafe fn vertex_attrib_1_f32_slice(&self, index: u32, v: &[f32]) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib1fv_with_f32_array(index, v),
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib1fv_with_f32_array(index, v),
}
}
unsafe fn vertex_attrib_2_f32_slice(&self, index: u32, v: &[f32]) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib2fv_with_f32_array(index, v),
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib2fv_with_f32_array(index, v),
}
}
unsafe fn vertex_attrib_3_f32_slice(&self, index: u32, v: &[f32]) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib3fv_with_f32_array(index, v),
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib3fv_with_f32_array(index, v),
}
}
unsafe fn vertex_attrib_4_f32_slice(&self, index: u32, v: &[f32]) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.vertex_attrib4fv_with_f32_array(index, v),
RawRenderingContext::WebGl2(ref gl) => gl.vertex_attrib4fv_with_f32_array(index, v),
}
}
unsafe fn viewport(&self, x: i32, y: i32, width: i32, height: i32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.viewport(x, y, width, height),
RawRenderingContext::WebGl2(ref gl) => gl.viewport(x, y, width, height),
}
}
unsafe fn viewport_f32_slice(&self, _first: u32, _count: i32, _values: &[[f32; 4]]) {
panic!("Viewport `f32` slice is not supported");
}
unsafe fn blend_func(&self, src: u32, dst: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.blend_func(src as u32, dst as u32),
RawRenderingContext::WebGl2(ref gl) => gl.blend_func(src as u32, dst as u32),
}
}
unsafe fn blend_func_draw_buffer(&self, _draw_buffer: u32, _src: u32, _dst: u32) {
panic!("Draw buffer blend func is not supported");
}
unsafe fn blend_func_separate(
&self,
src_rgb: u32,
dst_rgb: u32,
src_alpha: u32,
dst_alpha: u32,
) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.blend_func_separate(
src_rgb as u32,
dst_rgb as u32,
src_alpha as u32,
dst_alpha as u32,
),
RawRenderingContext::WebGl2(ref gl) => gl.blend_func_separate(
src_rgb as u32,
dst_rgb as u32,
src_alpha as u32,
dst_alpha as u32,
),
}
}
unsafe fn blend_func_separate_draw_buffer(
&self,
_draw_buffer: u32,
_src_rgb: u32,
_dst_rgb: u32,
_src_alpha: u32,
_dst_alpha: u32,
) {
panic!("Draw buffer blend func separate is not supported");
}
unsafe fn blend_equation(&self, mode: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.blend_equation(mode as u32),
RawRenderingContext::WebGl2(ref gl) => gl.blend_equation(mode as u32),
}
}
unsafe fn blend_equation_draw_buffer(&self, _draw_buffer: u32, _mode: u32) {
panic!("Draw buffer blend equation is not supported");
}
unsafe fn blend_equation_separate(&self, mode_rgb: u32, mode_alpha: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.blend_equation_separate(mode_rgb as u32, mode_alpha as u32)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.blend_equation_separate(mode_rgb as u32, mode_alpha as u32)
}
}
}
unsafe fn blend_equation_separate_draw_buffer(
&self,
_draw_buffer: u32,
_mode_rgb: u32,
_mode_alpha: u32,
) {
panic!("Draw buffer blend equation separate is not supported");
}
unsafe fn stencil_func(&self, func: u32, reference: i32, mask: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.stencil_func(func as u32, reference, mask),
RawRenderingContext::WebGl2(ref gl) => gl.stencil_func(func as u32, reference, mask),
}
}
unsafe fn stencil_func_separate(&self, face: u32, func: u32, reference: i32, mask: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.stencil_func_separate(face as u32, func as u32, reference, mask)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.stencil_func_separate(face as u32, func as u32, reference, mask)
}
}
}
unsafe fn stencil_mask(&self, mask: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.stencil_mask(mask),
RawRenderingContext::WebGl2(ref gl) => gl.stencil_mask(mask),
}
}
unsafe fn stencil_mask_separate(&self, face: u32, mask: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.stencil_mask_separate(face as u32, mask),
RawRenderingContext::WebGl2(ref gl) => gl.stencil_mask_separate(face as u32, mask),
}
}
unsafe fn stencil_op(&self, stencil_fail: u32, depth_fail: u32, pass: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => {
gl.stencil_op(stencil_fail as u32, depth_fail as u32, pass as u32)
}
RawRenderingContext::WebGl2(ref gl) => {
gl.stencil_op(stencil_fail as u32, depth_fail as u32, pass as u32)
}
}
}
unsafe fn stencil_op_separate(&self, face: u32, stencil_fail: u32, depth_fail: u32, pass: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.stencil_op_separate(
face as u32,
stencil_fail as u32,
depth_fail as u32,
pass as u32,
),
RawRenderingContext::WebGl2(ref gl) => gl.stencil_op_separate(
face as u32,
stencil_fail as u32,
depth_fail as u32,
pass as u32,
),
}
}
unsafe fn debug_message_control(
&self,
_source: u32,
_msg_type: u32,
_severity: u32,
_ids: &[u32],
_enabled: bool,
) {
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn debug_message_insert<S>(
&self,
_source: u32,
_msg_type: u32,
_id: u32,
_severity: u32,
_msg: S,
) where
S: AsRef<str>,
{
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn debug_message_callback<F>(&self, _callback: F)
where
F: FnMut(u32, u32, u32, u32, &str),
{
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn get_debug_message_log(&self, _count: u32) -> Vec<DebugMessageLogEntry> {
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn push_debug_group<S>(&self, _source: u32, _id: u32, _message: S)
where
S: AsRef<str>,
{
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn pop_debug_group(&self) {
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn object_label<S>(&self, _identifier: u32, _name: u32, _label: Option<S>)
where
S: AsRef<str>,
{
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn get_object_label(&self, _identifier: u32, _name: u32) -> String {
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn object_ptr_label<S>(&self, _sync: Self::Fence, _label: Option<S>)
where
S: AsRef<str>,
{
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn get_object_ptr_label(&self, _sync: Self::Fence) -> String {
panic!("WebGL does not support the KHR_debug extension.")
}
unsafe fn get_uniform_block_index(&self, program: Self::Program, name: &str) -> Option<u32> {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
let index = match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Uniform blocks are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.get_uniform_block_index(raw_program, name),
};
if index == INVALID_INDEX {
None
} else {
Some(index)
}
}
unsafe fn uniform_block_binding(&self, program: Self::Program, index: u32, binding: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("Uniform buffer bindings are not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
gl.uniform_block_binding(raw_program, index, binding);
}
}
}
unsafe fn get_shader_storage_block_index(
&self,
_program: Self::Program,
_name: &str,
) -> Option<u32> {
panic!("Shader Storage Buffers are not supported by webgl")
}
unsafe fn shader_storage_block_binding(
&self,
_program: Self::Program,
_index: u32,
_binding: u32,
) {
panic!("Shader Storage Buffers are not supported by webgl")
}
unsafe fn read_buffer(&self, src: u32) {
match self.raw {
RawRenderingContext::WebGl1(..) => panic!("read_buffer is not supported by WebGL1"),
RawRenderingContext::WebGl2(ref gl) => gl.read_buffer(src),
}
}
unsafe fn read_pixels(
&self,
x: i32,
y: i32,
width: i32,
height: i32,
format: u32,
gltype: u32,
pixels: PixelPackData,
) {
let data = match pixels {
PixelPackData::BufferOffset(_) => {
panic!("Read pixels into buffer offset is not supported")
}
PixelPackData::Slice(slice) => Some(slice),
};
match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl
.read_pixels_with_opt_u8_array(x, y, width, height, format, gltype, data)
.unwrap(),
RawRenderingContext::WebGl2(ref gl) => gl
.read_pixels_with_opt_u8_array(x, y, width, height, format, gltype, data)
.unwrap(),
}
}
unsafe fn get_uniform_i32(
&self,
program: Self::Program,
location: &Self::UniformLocation,
v: &mut [i32],
) {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
let value = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_uniform(&raw_program, location),
RawRenderingContext::WebGl2(ref gl) => gl.get_uniform(&raw_program, location),
};
use wasm_bindgen::JsCast;
if let Some(value) = value.as_f64() {
v[0] = value as i32;
} else if let Some(values) = value.dyn_ref::<js_sys::Int32Array>() {
values.copy_to(v)
}
}
unsafe fn get_uniform_f32(
&self,
program: Self::Program,
location: &Self::UniformLocation,
v: &mut [f32],
) {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
let value = match self.raw {
RawRenderingContext::WebGl1(ref gl) => gl.get_uniform(&raw_program, location),
RawRenderingContext::WebGl2(ref gl) => gl.get_uniform(&raw_program, location),
};
use wasm_bindgen::JsCast;
if let Some(value) = value.as_f64() {
v[0] = value as f32;
} else if let Some(values) = value.dyn_ref::<js_sys::Float32Array>() {
values.copy_to(v)
}
}
unsafe fn begin_query(&self, target: u32, query: Self::Query) {
let queries = self.queries.borrow();
let raw_query = queries.1.get_unchecked(query);
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Query objects are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.begin_query(target, raw_query),
}
}
unsafe fn end_query(&self, target: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Query objects are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl.end_query(target),
}
}
unsafe fn get_query_parameter_u32(&self, query: Self::Query, parameter: u32) -> u32 {
let queries = self.queries.borrow();
let raw_query = queries.1.get_unchecked(query);
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => panic!("Query objects are not supported"),
RawRenderingContext::WebGl2(ref gl) => gl
.get_query_parameter(raw_query, parameter)
.as_f64()
.map(|v| v as u32)
.unwrap_or(0),
}
}
unsafe fn create_transform_feedback(&self) -> Result<Self::TransformFeedback, String> {
let raw_transform_feedback = match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl.create_transform_feedback(),
};
match raw_transform_feedback {
Some(t) => {
let key = self.transform_feedbacks.borrow_mut().0.insert(());
self.transform_feedbacks.borrow_mut().1.insert(key, t);
Ok(key)
}
None => Err(String::from("Unable to create TransformFeedback object")),
}
}
unsafe fn delete_transform_feedback(&self, transform_feedback: Self::TransformFeedback) {
let mut transform_feedbacks = self.transform_feedbacks.borrow_mut();
if let Some(ref t) = transform_feedbacks.1.remove(transform_feedback) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl.delete_transform_feedback(Some(t)),
}
}
}
unsafe fn bind_transform_feedback(
&self,
target: u32,
transform_feedback: Option<Self::TransformFeedback>,
) {
let transform_feedbacks = self.transform_feedbacks.borrow();
let raw_transform_feedback =
transform_feedback.map(|tf| transform_feedbacks.1.get_unchecked(tf));
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
gl.bind_transform_feedback(target, raw_transform_feedback)
}
}
}
unsafe fn begin_transform_feedback(&self, primitive_mode: u32) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl.begin_transform_feedback(primitive_mode),
}
}
unsafe fn end_transform_feedback(&self) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl.end_transform_feedback(),
}
}
unsafe fn pause_transform_feedback(&self) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl.pause_transform_feedback(),
}
}
unsafe fn resume_transform_feedback(&self) {
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl.resume_transform_feedback(),
}
}
unsafe fn transform_feedback_varyings(
&self,
program: Self::Program,
varyings: &[&str],
buffer_mode: u32,
) {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => {
let js_varyings = Array::new();
for &v in varyings {
js_varyings.push(&v.into());
}
gl.transform_feedback_varyings(raw_program, &js_varyings, buffer_mode);
}
}
}
unsafe fn get_transform_feedback_varying(
&self,
program: Self::Program,
index: u32,
) -> Option<ActiveTransformFeedback> {
let programs = self.programs.borrow();
let raw_program = programs.1.get_unchecked(program);
match self.raw {
RawRenderingContext::WebGl1(ref _gl) => {
panic!("TransformFeedback objects are not supported")
}
RawRenderingContext::WebGl2(ref gl) => gl
.get_transform_feedback_varying(raw_program, index)
.map(|info| ActiveTransformFeedback {
size: info.size(),
tftype: info.type_(),
name: info.name(),
}),
}
}
unsafe fn memory_barrier(&self, _barriers: u32) {
panic!("Memory barriers are not supported")
}
unsafe fn memory_barrier_by_region(&self, _barriers: u32) {
panic!("Memory barriers are not supported")
}
}
unsafe fn texture_data_view(ty: u32, bytes: &[u8]) -> js_sys::Object {
use std::mem::size_of;
use std::slice::from_raw_parts;
match ty {
BYTE => {
let data = from_raw_parts(bytes.as_ptr() as *const i8, bytes.len() / size_of::<i8>());
js_sys::Int8Array::view(data).into()
}
SHORT => {
#[allow(clippy::cast_ptr_alignment)]
let data = from_raw_parts(bytes.as_ptr() as *const i16, bytes.len() / size_of::<i16>());
js_sys::Int16Array::view(data).into()
}
UNSIGNED_SHORT
| UNSIGNED_SHORT_5_6_5
| UNSIGNED_SHORT_5_5_5_1
| UNSIGNED_SHORT_4_4_4_4
| HALF_FLOAT => {
#[allow(clippy::cast_ptr_alignment)]
let data = from_raw_parts(bytes.as_ptr() as *const u16, bytes.len() / size_of::<u16>());
js_sys::Uint16Array::view(data).into()
}
INT => {
#[allow(clippy::cast_ptr_alignment)]
let data = from_raw_parts(bytes.as_ptr() as *const i32, bytes.len() / size_of::<i32>());
js_sys::Int32Array::view(data).into()
}
UNSIGNED_INT
| UNSIGNED_INT_5_9_9_9_REV
| UNSIGNED_INT_2_10_10_10_REV
| UNSIGNED_INT_10F_11F_11F_REV
| UNSIGNED_INT_24_8 => {
#[allow(clippy::cast_ptr_alignment)]
let data = from_raw_parts(bytes.as_ptr() as *const u32, bytes.len() / size_of::<u32>());
js_sys::Uint32Array::view(data).into()
}
FLOAT => {
#[allow(clippy::cast_ptr_alignment)]
let data = from_raw_parts(bytes.as_ptr() as *const f32, bytes.len() / size_of::<f32>());
js_sys::Float32Array::view(data).into()
}
UNSIGNED_BYTE | _ => js_sys::Uint8Array::view(bytes).into(),
}
}