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webgl: Add isProgram() support.

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There's one failure still, where a deleted program should still be
considered to be a program until it's unbound.  However, I recently
made it so that we unbind at delete time, and we may need to partially
back that change out.
This commit is contained in:
Eric Anholt 2016-08-28 16:34:39 -07:00
parent 1f2346d3b6
commit 847ab63de6
7 changed files with 11 additions and 86 deletions
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4
components/script/dom/webglprogram.rs
View file

@ -87,6 +87,10 @@ impl WebGLProgram {
}
}
pub fn is_deleted(&self) -> bool {
self.is_deleted.get()
}
/// glLinkProgram
pub fn link(&self) {
self.linked.set(false);

5
components/script/dom/webglrenderingcontext.rs
View file

@ -1403,6 +1403,11 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
frame_buffer.map_or(false, |buf| buf.target().is_some() && !buf.is_deleted())
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.9
fn IsProgram(&self, program: Option<&WebGLProgram>) -> bool {
program.map_or(false, |p| !p.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())

2
components/script/dom/webidls/WebGLRenderingContext.webidl
View file

@ -605,7 +605,7 @@ interface WebGLRenderingContextBase
[WebGLHandlesContextLoss] GLboolean isBuffer(WebGLBuffer? buffer);
//[WebGLHandlesContextLoss] GLboolean isEnabled(GLenum cap);
[WebGLHandlesContextLoss] GLboolean isFramebuffer(WebGLFramebuffer? framebuffer);
//[WebGLHandlesContextLoss] GLboolean isProgram(WebGLProgram? program);
[WebGLHandlesContextLoss] GLboolean isProgram(WebGLProgram? program);
[WebGLHandlesContextLoss] GLboolean isRenderbuffer(WebGLRenderbuffer? renderbuffer);
[WebGLHandlesContextLoss] GLboolean isShader(WebGLShader? shader);
[WebGLHandlesContextLoss] GLboolean isTexture(WebGLTexture? texture);