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Simplify BufferParameter

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This commit is contained in:
Igor Gutorov 2018-03-20 21:13:29 +02:00
parent 0747853ad0
commit 7e5160b79e
3 changed files with 16 additions and 17 deletions
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22
components/script/dom/webglrenderingcontext.rs
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@ -1246,17 +1246,21 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
#[allow(unsafe_code)]
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.5
unsafe fn GetBufferParameter(&self, _cx: *mut JSContext, target: u32, parameter: u32) -> JSVal {
let parameter_matches = match parameter {
constants::BUFFER_SIZE |
constants::BUFFER_USAGE => true,
_ => false,
};
if !parameter_matches {
self.webgl_error(InvalidEnum);
return NullValue();
}
let (sender, receiver) = webgl_channel().unwrap();
self.send_command(WebGLCommand::GetBufferParameter(target, parameter, sender));
match handle_potential_webgl_error!(self, receiver.recv().unwrap(), WebGLParameter::Invalid) {
WebGLParameter::Int(val) => Int32Value(val),
WebGLParameter::Bool(_) => panic!("Buffer parameter should not be bool"),
WebGLParameter::Float(_) => panic!("Buffer parameter should not be float"),
WebGLParameter::FloatArray(_) => panic!("Buffer parameter should not be float array"),
WebGLParameter::String(_) => panic!("Buffer parameter should not be string"),
WebGLParameter::Invalid => NullValue(),
}
Int32Value(receiver.recv().unwrap())
}
#[allow(unsafe_code)]
@ -2428,7 +2432,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
let (sender, receiver) = webgl_channel().unwrap();
self.send_command(WebGLCommand::GetVertexAttribOffset(index, pname, sender));
receiver.recv().unwrap()
receiver.recv().unwrap() as i64
}
// https://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14.3