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Implement various WebGL functions

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This commit is contained in:
David Zbarsky 2015-11-28 18:38:14 -08:00
parent a1fb12616a
commit 0f4d6d58aa
15 changed files with 530 additions and 190 deletions
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26
components/script/dom/webglprogram.rs
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@ -3,7 +3,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// https://www.khronos.org/registry/webgl/specs/latest/1.0/webgl.idl
use canvas_traits::{CanvasMsg, CanvasWebGLMsg, WebGLError, WebGLResult};
use canvas_traits::{CanvasMsg, CanvasWebGLMsg, WebGLError, WebGLResult, WebGLParameter};
use dom::bindings::codegen::Bindings::WebGLProgramBinding;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
use dom::bindings::global::GlobalRef;
@ -94,6 +94,23 @@ impl WebGLProgram {
Ok(())
}
/// glBindAttribLocation
pub fn bind_attrib_location(&self, index: u32, name: DOMString) -> WebGLResult<()> {
if name.len() > MAX_UNIFORM_AND_ATTRIBUTE_LEN {
return Err(WebGLError::InvalidValue);
}
// Check if the name is reserved
if name.starts_with("webgl") || name.starts_with("_webgl_") {
return Err(WebGLError::InvalidOperation);
}
self.renderer
.send(CanvasMsg::WebGL(CanvasWebGLMsg::BindAttribLocation(self.id, index, String::from(name))))
.unwrap();
Ok(())
}
/// glGetAttribLocation
pub fn get_attrib_location(&self, name: DOMString) -> WebGLResult<Option<i32>> {
if name.len() > MAX_UNIFORM_AND_ATTRIBUTE_LEN {
@ -129,6 +146,13 @@ impl WebGLProgram {
.unwrap();
Ok(receiver.recv().unwrap())
}
/// glGetProgramParameter
pub fn parameter(&self, param_id: u32) -> WebGLResult<WebGLParameter> {
let (sender, receiver) = ipc::channel().unwrap();
self.renderer.send(CanvasMsg::WebGL(CanvasWebGLMsg::GetProgramParameter(self.id, param_id, sender))).unwrap();
receiver.recv().unwrap()
}
}
impl Drop for WebGLProgram {