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webgl: Add support for checkFramebufferStatus().

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For now it's returning the default UNSUPPORTED on user FBOs.

object-deletion-behaviour.html starts running a bunch more subtets.
This commit is contained in:
Eric Anholt 2016-09-16 22:51:37 +01:00
parent cc0955f12d
commit 8a0ca2efba
6 changed files with 81 additions and 13 deletions
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17
components/script/dom/webglrenderingcontext.rs
View file

@ -2552,6 +2552,23 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
fn TexParameteri(&self, target: u32, name: u32, value: i32) {
self.tex_parameter(target, name, TexParameterValue::Int(value))
}
fn CheckFramebufferStatus(&self, target: u32) -> u32 {
// From the GLES 2.0.25 spec, 4.4 ("Framebuffer Objects"):
//
// "If target is not FRAMEBUFFER, INVALID_ENUM is
// generated. If CheckFramebufferStatus generates an
// error, 0 is returned."
if target != constants::FRAMEBUFFER {
self.webgl_error(InvalidEnum);
return 0;
}
match self.bound_framebuffer.get() {
Some(fb) => return fb.check_status(),
None => return constants::FRAMEBUFFER_COMPLETE,
}
}
}
pub trait LayoutCanvasWebGLRenderingContextHelpers {

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

@ -501,7 +501,7 @@ interface WebGLRenderingContextBase
[Throws]
void bufferSubData(GLenum target, GLintptr offset, object? data);
//[WebGLHandlesContextLoss] GLenum checkFramebufferStatus(GLenum target);
[WebGLHandlesContextLoss] GLenum checkFramebufferStatus(GLenum target);
void clear(GLbitfield mask);
void clearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
void clearDepth(GLclampf depth);