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Auto merge of #11426 - DDEFISHER:master, r=emilio

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Implement IsBuffer, IsFramebuffer and IsRenderbuffer for WebGLRenderingContext

- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy --faster` does not report any errors
- [X] These changes fix #11357
- [X] There are tests for these changes

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This commit is contained in:
bors-servo 2016-05-29 20:03:56 -05:00
commit b11648903b
6 changed files with 50 additions and 4 deletions
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15
components/script/dom/webglrenderingcontext.rs
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@ -1331,6 +1331,21 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
.unwrap()
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
fn IsBuffer(&self, buffer: Option<&WebGLBuffer>) -> bool {
buffer.map_or(false, |buf| buf.target().is_some() && !buf.is_deleted())
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.6
fn IsFramebuffer(&self, frame_buffer: Option<&WebGLFramebuffer>) -> bool {
frame_buffer.map_or(false, |buf| buf.target().is_some() && !buf.is_deleted())
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.7
fn IsRenderbuffer(&self, render_buffer: Option<&WebGLRenderbuffer>) -> bool {
render_buffer.map_or(false, |buf| buf.ever_bound() && !buf.is_deleted())
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
fn IsShader(&self, shader: Option<&WebGLShader>) -> bool {
shader.map_or(false, |s| !s.is_deleted() || s.is_attached())