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Simplify gl.getShaderParameter() (fixes #20562)

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The expectation change is due to the shader now using its DOM-side compile status.
It is actually a bug for the shader to think it actually compiled successfully,
but at least it does so consistently now.
This commit is contained in:
Anthony Ramine 2018-07-30 15:57:31 +02:00
parent a0fc4c9832
commit 76f23f7d78
5 changed files with 13 additions and 41 deletions
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20
components/script/dom/webglrenderingcontext.rs
View file

@ -5,8 +5,7 @@
use byteorder::{NativeEndian, ReadBytesExt, WriteBytesExt};
use canvas_traits::canvas::{byte_swap, multiply_u8_pixel};
use canvas_traits::webgl::{ActiveAttribInfo, DOMToTextureCommand, Parameter};
use canvas_traits::webgl::{ShaderParameter, TexParameter, WebGLCommand};
use canvas_traits::webgl::{WebGLContextShareMode, WebGLError};
use canvas_traits::webgl::{TexParameter, WebGLCommand, WebGLContextShareMode, WebGLError};
use canvas_traits::webgl::{WebGLFramebufferBindingRequest, WebGLMsg, WebGLMsgSender};
use canvas_traits::webgl::{WebGLProgramId, WebGLResult, WebGLSLVersion, WebGLSender};
use canvas_traits::webgl::{WebGLVersion, WebVRCommand, webgl_channel};
@ -2737,16 +2736,13 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
self.webgl_error(InvalidValue);
return NullValue();
}
match handle_potential_webgl_error!(self, ShaderParameter::from_u32(param), return NullValue()) {
ShaderParameter::Bool(param) => {
let (sender, receiver) = webgl_channel().unwrap();
self.send_command(WebGLCommand::GetShaderParameterBool(shader.id(), param, sender));
BooleanValue(receiver.recv().unwrap())
}
ShaderParameter::Int(param) => {
let (sender, receiver) = webgl_channel().unwrap();
self.send_command(WebGLCommand::GetShaderParameterInt(shader.id(), param, sender));
Int32Value(receiver.recv().unwrap())
match param {
constants::DELETE_STATUS => BooleanValue(shader.is_marked_for_deletion()),
constants::COMPILE_STATUS => BooleanValue(shader.successfully_compiled()),
constants::SHADER_TYPE => UInt32Value(shader.gl_type()),
_ => {
self.webgl_error(InvalidEnum);
NullValue()
}
}
}

4
components/script/dom/webglshader.rs
View file

@ -192,6 +192,10 @@ impl WebGLShader {
}
}
pub fn is_marked_for_deletion(&self) -> bool {
self.marked_for_deletion.get()
}
pub fn is_deleted(&self) -> bool {
self.marked_for_deletion.get() && !self.is_attached()
}