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Add Support for WebGL Transormfeedback

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Reference: https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.15
This commit is contained in:
Istvan Miklos 2019-09-26 11:55:20 +02:00
parent a33d493a4f
commit 4f112b1705
17 changed files with 588 additions and 17 deletions
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16
components/script/dom/webglprogram.rs
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@ -34,6 +34,8 @@ pub struct WebGLProgram {
vertex_shader: MutNullableDom<WebGLShader>,
active_attribs: DomRefCell<Box<[ActiveAttribInfo]>>,
active_uniforms: DomRefCell<Box<[ActiveUniformInfo]>>,
transform_feedback_varyings_length: Cell<i32>,
transform_feedback_mode: Cell<i32>,
}
impl WebGLProgram {
@ -50,6 +52,8 @@ impl WebGLProgram {
vertex_shader: Default::default(),
active_attribs: DomRefCell::new(vec![].into()),
active_uniforms: DomRefCell::new(vec![].into()),
transform_feedback_varyings_length: Default::default(),
transform_feedback_mode: Default::default(),
}
}
@ -187,6 +191,10 @@ impl WebGLProgram {
self.linked.set(link_info.linked);
self.link_called.set(true);
self.transform_feedback_varyings_length
.set(link_info.transform_feedback_length);
self.transform_feedback_mode
.set(link_info.transform_feedback_mode);
*self.active_attribs.borrow_mut() = link_info.active_attribs;
*self.active_uniforms.borrow_mut() = link_info.active_uniforms;
Ok(())
@ -444,6 +452,14 @@ impl WebGLProgram {
pub fn link_generation(&self) -> u64 {
self.link_generation.get()
}
pub fn transform_feedback_varyings_length(&self) -> i32 {
self.transform_feedback_varyings_length.get()
}
pub fn transform_feedback_buffer_mode(&self) -> i32 {
self.transform_feedback_mode.get()
}
}
impl Drop for WebGLProgram {