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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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9
components/canvas/webgl_thread.rs
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@ -89,8 +89,8 @@ impl<VR: WebVRRenderHandler + 'static, OB: WebGLThreadObserver> WebGLThread<VR,
#[inline]
fn handle_msg(&mut self, msg: WebGLMsg, webgl_chan: &WebGLChan) -> bool {
match msg {
WebGLMsg::CreateContext(size, attributes, result_sender) => {
let result = self.create_webgl_context(size, attributes);
WebGLMsg::CreateContext(version, size, attributes, result_sender) => {
let result = self.create_webgl_context(version, size, attributes);
result_sender.send(result.map(|(id, limits, share_mode)|
WebGLCreateContextResult {
sender: WebGLMsgSender::new(id, webgl_chan.clone()),
@ -179,15 +179,16 @@ impl<VR: WebVRRenderHandler + 'static, OB: WebGLThreadObserver> WebGLThread<VR,
/// Creates a new WebGLContext
fn create_webgl_context(&mut self,
version: WebGLVersion,
size: Size2D<i32>,
attributes: GLContextAttributes)
-> Result<(WebGLContextId, GLLimits, WebGLContextShareMode), String> {
// First try to create a shared context for the best performance.
// Fallback to readback mode if the shared context creation fails.
let result = self.gl_factory.new_shared_context(size, attributes)
let result = self.gl_factory.new_shared_context(version, size, attributes)
.map(|r| (r, WebGLContextShareMode::SharedTexture))
.or_else(|_| {
let ctx = self.gl_factory.new_context(size, attributes);
let ctx = self.gl_factory.new_context(version, size, attributes);
ctx.map(|r| (r, WebGLContextShareMode::Readback))
});