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Add WebGLContextAttributes support
This commit also: * Allows to return non-rootable dictionaries from Codegen. * Merges the two context types in an enum type.
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b1a773a15b
commit
b3ac346749
16 changed files with 255 additions and 80 deletions
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@ -28,11 +28,10 @@ pub struct WebGLPaintTask {
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unsafe impl Send for WebGLPaintTask {}
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impl WebGLPaintTask {
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fn new(size: Size2D<i32>) -> Result<WebGLPaintTask, &'static str> {
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// TODO(ecoal95): Get the GLContextAttributes from the `GetContext` call
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fn new(size: Size2D<i32>, attrs: GLContextAttributes) -> Result<WebGLPaintTask, &'static str> {
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let context = try!(
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GLContext::create_offscreen_with_color_attachment(
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size, GLContextAttributes::default(), ColorAttachmentType::TextureWithSurface));
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size, attrs, ColorAttachmentType::TextureWithSurface));
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Ok(WebGLPaintTask {
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size: size,
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original_context_size: size,
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@ -42,6 +41,7 @@ impl WebGLPaintTask {
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pub fn handle_webgl_message(&self, message: CanvasWebGLMsg) {
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match message {
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CanvasWebGLMsg::GetContextAttributes(sender) => self.get_context_attributes(sender),
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CanvasWebGLMsg::AttachShader(program_id, shader_id) => self.attach_shader(program_id, shader_id),
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CanvasWebGLMsg::BindBuffer(buffer_type, buffer_id) => self.bind_buffer(buffer_type, buffer_id),
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CanvasWebGLMsg::BufferData(buffer_type, data, usage) => self.buffer_data(buffer_type, data, usage),
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@ -71,9 +71,9 @@ impl WebGLPaintTask {
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}
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}
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pub fn start(size: Size2D<i32>) -> Result<Sender<CanvasMsg>, &'static str> {
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pub fn start(size: Size2D<i32>, attrs: GLContextAttributes) -> Result<Sender<CanvasMsg>, &'static str> {
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let (chan, port) = channel::<CanvasMsg>();
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let mut painter = try!(WebGLPaintTask::new(size));
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let mut painter = try!(WebGLPaintTask::new(size, attrs));
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spawn_named("WebGLTask".to_owned(), move || {
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painter.init();
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loop {
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@ -98,6 +98,10 @@ impl WebGLPaintTask {
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Ok(chan)
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}
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fn get_context_attributes(&self, sender: Sender<GLContextAttributes>) {
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sender.send(*self.gl_context.borrow_attributes()).unwrap()
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}
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fn attach_shader(&self, program_id: u32, shader_id: u32) {
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gl::attach_shader(program_id, shader_id);
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}
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