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Properly allow FUNC_SUBTRACT and FUNC_REVERSE_SUBTRACT in blendEquation

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This commit is contained in:
Anthony Ramine 2018-04-04 15:43:09 +02:00
parent ae286a518d
commit 15272d2c3b
1 changed files with 7 additions and 4 deletions
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11
components/script/dom/webglrenderingcontext.rs
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@ -1477,11 +1477,14 @@ 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);
match mode {
constants::FUNC_ADD |
constants::FUNC_SUBTRACT |
constants::FUNC_REVERSE_SUBTRACT => {
self.send_command(WebGLCommand::BlendEquation(mode))
},
_ => self.webgl_error(InvalidEnum)
}
self.send_command(WebGLCommand::BlendEquation(mode));
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3