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Add support for some more WebGL2 renderbuffer functions

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Adds support for the following WebGL2 calls:

- `RenderbufferStorageMultisample`
- `GetInternalFormativ`

See: https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.5
This commit is contained in:
Mátyás Mustoha 2020-03-03 14:44:33 +01:00 • committed by Josh Matthews
parent 13a349603d
commit 5eaa9ef8cb
16 changed files with 256 additions and 74 deletions
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31
components/canvas/webgl_thread.rs
View file

@ -13,6 +13,7 @@ use canvas_traits::webgl::DOMToTextureCommand;
use canvas_traits::webgl::GLContextAttributes;
use canvas_traits::webgl::GLLimits;
use canvas_traits::webgl::GlType;
use canvas_traits::webgl::InternalFormatIntVec;
use canvas_traits::webgl::ProgramLinkInfo;
use canvas_traits::webgl::SwapChainId;
use canvas_traits::webgl::TexDataType;
@ -1211,6 +1212,13 @@ impl WebGLImpl {
WebGLCommand::RenderbufferStorage(target, format, width, height) => {
gl.renderbuffer_storage(target, format, width, height)
},
WebGLCommand::RenderbufferStorageMultisample(
target,
samples,
format,
width,
height,
) => gl.renderbuffer_storage_multisample(target, samples, format, width, height),
WebGLCommand::SampleCoverage(value, invert) => gl.sample_coverage(value, invert),
WebGLCommand::Scissor(x, y, width, height) => {
// FIXME(nox): Kinda unfortunate that some u32 values could
@ -1666,6 +1674,29 @@ impl WebGLImpl {
.send(gl.get_tex_parameter_iv(target, param as u32))
.unwrap();
},
WebGLCommand::GetInternalFormatIntVec(target, internal_format, param, ref sender) => {
match param {
InternalFormatIntVec::Samples => {
let mut count = [0; 1];
gl.get_internal_format_iv(
target,
internal_format,
gl::NUM_SAMPLE_COUNTS,
&mut count,
);
assert!(count[0] >= 0);
let mut values = vec![0; count[0] as usize];
gl.get_internal_format_iv(
target,
internal_format,
param as u32,
&mut values,
);
sender.send(values).unwrap()
},
}
},
WebGLCommand::TexParameteri(target, param, value) => {
gl.tex_parameter_i(target, param as u32, value)
},