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Cache BUFFER_USAGE value on the DOM side

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This commit is contained in:
Anthony Ramine 2018-04-04 15:26:08 +02:00
parent e06f0d32d0
commit ae286a518d
4 changed files with 16 additions and 31 deletions
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8
components/script/dom/webglbuffer.rs
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@ -30,6 +30,8 @@ pub struct WebGLBuffer {
pending_delete: Cell<bool>,
#[ignore_malloc_size_of = "Defined in ipc-channel"]
renderer: WebGLMsgSender,
/// https://www.khronos.org/registry/OpenGL-Refpages/es2.0/xhtml/glGetBufferParameteriv.xml
usage: Cell<u32>,
}
impl WebGLBuffer {
@ -45,6 +47,7 @@ impl WebGLBuffer {
vao_references: DomRefCell::new(None),
pending_delete: Cell::new(false),
renderer: renderer,
usage: Cell::new(WebGLRenderingContextConstants::STATIC_DRAW),
}
}
@ -105,6 +108,7 @@ impl WebGLBuffer {
}
let data = data.into();
self.capacity.set(data.len());
self.usage.set(usage);
self.renderer.send(WebGLCommand::BufferData(target, data.into(), usage)).unwrap();
Ok(())
@ -158,6 +162,10 @@ impl WebGLBuffer {
}
}
}
pub fn usage(&self) -> u32 {
self.usage.get()
}
}
impl Drop for WebGLBuffer {