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Kick off WebGL 2.0 implementation

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This commit is contained in:
Imanol Fernandez 2017-10-26 18:04:13 +02:00
parent fd4843a40e
commit ddd6c86e99
14 changed files with 1665 additions and 68 deletions
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19
components/script/dom/webglshader.rs
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@ -5,6 +5,7 @@
// https://www.khronos.org/registry/webgl/specs/latest/1.0/webgl.idl
use angle::hl::{BuiltInResources, Output, ShaderValidator};
use canvas_traits::webgl::{webgl_channel, WebGLCommand, WebGLMsgSender, WebGLParameter, WebGLResult, WebGLShaderId};
use canvas_traits::webgl::WebGLVersion;
use dom::bindings::cell::DomRefCell;
use dom::bindings::codegen::Bindings::WebGLShaderBinding;
use dom::bindings::reflector::reflect_dom_object;
@ -99,7 +100,7 @@ impl WebGLShader {
}
/// glCompileShader
pub fn compile(&self, ext: &WebGLExtensions) {
pub fn compile(&self, version: WebGLVersion, ext: &WebGLExtensions) {
if self.compilation_status.get() != ShaderCompilationStatus::NotCompiled {
debug!("Compiling already compiled shader {}", self.id);
}
@ -108,9 +109,19 @@ impl WebGLShader {
let mut params = BuiltInResources::default();
params.FragmentPrecisionHigh = 1;
params.OES_standard_derivatives = ext.is_enabled::<OESStandardDerivatives>() as i32;
let validator = ShaderValidator::for_webgl(self.gl_type,
SHADER_OUTPUT_FORMAT,
&params).unwrap();
let validator = match version {
WebGLVersion::WebGL1 => {
ShaderValidator::for_webgl(self.gl_type,
SHADER_OUTPUT_FORMAT,
&params).unwrap()
},
WebGLVersion::WebGL2 => {
ShaderValidator::for_webgl2(self.gl_type,
SHADER_OUTPUT_FORMAT,
&params).unwrap()
},
};
match validator.compile_and_translate(&[source]) {
Ok(translated_source) => {
debug!("Shader translated: {}", translated_source);