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webgl: Validate enums for blendEquation.

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Improves a conformance test that tried passing in desktop GL enums for
blending.
This commit is contained in:
Eric Anholt 2016-12-31 11:08:27 -08:00
parent b06f4aec67
commit daa64bf84f
2 changed files with 8 additions and 18 deletions
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8
components/script/dom/webglrenderingcontext.rs
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@ -788,11 +788,19 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
fn BlendEquation(&self, mode: u32) {
if mode != constants::FUNC_ADD {
return self.webgl_error(InvalidEnum);
}
self.ipc_renderer.send(CanvasMsg::WebGL(WebGLCommand::BlendEquation(mode))).unwrap();
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3
fn BlendEquationSeparate(&self, mode_rgb: u32, mode_alpha: u32) {
if mode_rgb != constants::FUNC_ADD || mode_alpha != constants::FUNC_ADD {
return self.webgl_error(InvalidEnum);
}
self.ipc_renderer
.send(CanvasMsg::WebGL(WebGLCommand::BlendEquationSeparate(mode_rgb, mode_alpha)))
.unwrap();