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Remove offscreen_gl_context dependency from canvas_traits and script.
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parent
0f3108ce79
commit
3121f42d52
11 changed files with 85 additions and 29 deletions
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@ -3,14 +3,17 @@
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use super::webgl_thread::{GLState, WebGLImpl};
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use canvas_traits::webgl::{WebGLCommand, WebGLCommandBacktrace, WebGLVersion};
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use canvas_traits::webgl::{
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GLContextAttributes, GLLimits, WebGLCommand, WebGLCommandBacktrace, WebGLVersion,
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};
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use compositing::compositor_thread::{self, CompositorProxy};
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use euclid::Size2D;
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use gleam::gl;
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use offscreen_gl_context::{
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ColorAttachmentType, DrawBuffer, GLContext, GLContextAttributes, GLContextDispatcher,
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ColorAttachmentType, DrawBuffer, GLContext, GLContextAttributes as RawGLContextAttributes,
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GLContextDispatcher,
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};
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use offscreen_gl_context::{GLLimits, GLVersion};
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use offscreen_gl_context::{GLLimits as RawGLLimits, GLVersion};
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use offscreen_gl_context::{NativeGLContext, NativeGLContextHandle, NativeGLContextMethods};
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use offscreen_gl_context::{OSMesaContext, OSMesaContextHandle};
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use std::sync::{Arc, Mutex};
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@ -52,6 +55,7 @@ impl GLContextFactory {
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size: Size2D<u32>,
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attributes: GLContextAttributes,
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) -> Result<GLContextWrapper, &'static str> {
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let attributes = map_attrs(attributes);
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Ok(match *self {
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GLContextFactory::Native(ref handle, ref dispatcher) => {
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let dispatcher = dispatcher.as_ref().map(|d| Box::new(d.clone()) as Box<_>);
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@ -88,6 +92,7 @@ impl GLContextFactory {
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size: Size2D<u32>,
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attributes: GLContextAttributes,
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) -> Result<GLContextWrapper, &'static str> {
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let attributes = map_attrs(attributes);
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Ok(match *self {
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GLContextFactory::Native(..) => {
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GLContextWrapper::Native(GLContext::new_shared_with_dispatcher(
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@ -189,7 +194,7 @@ impl GLContextWrapper {
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let limits = ctx.borrow_limits().clone();
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(real_size, texture_id, limits)
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(real_size, texture_id, map_limits(limits))
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},
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GLContextWrapper::OSMesa(ref ctx) => {
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let (real_size, texture_id) = {
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@ -202,7 +207,7 @@ impl GLContextWrapper {
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let limits = ctx.borrow_limits().clone();
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(real_size, texture_id, limits)
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(real_size, texture_id, map_limits(limits))
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},
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}
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}
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@ -243,3 +248,40 @@ impl GLContextDispatcher for MainThreadDispatcher {
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.send(compositor_thread::Msg::Dispatch(f));
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}
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}
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fn map_limits(limits: RawGLLimits) -> GLLimits {
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GLLimits {
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max_vertex_attribs: limits.max_vertex_attribs,
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max_tex_size: limits.max_tex_size,
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max_cube_map_tex_size: limits.max_cube_map_tex_size,
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max_combined_texture_image_units: limits.max_combined_texture_image_units,
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max_fragment_uniform_vectors: limits.max_fragment_uniform_vectors,
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max_renderbuffer_size: limits.max_renderbuffer_size,
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max_texture_image_units: limits.max_texture_image_units,
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max_varying_vectors: limits.max_varying_vectors,
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max_vertex_texture_image_units: limits.max_vertex_texture_image_units,
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max_vertex_uniform_vectors: limits.max_vertex_uniform_vectors,
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}
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}
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pub fn map_attrs(attrs: GLContextAttributes) -> RawGLContextAttributes {
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RawGLContextAttributes {
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alpha: attrs.alpha,
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depth: attrs.depth,
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stencil: attrs.stencil,
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antialias: attrs.antialias,
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premultiplied_alpha: attrs.premultiplied_alpha,
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preserve_drawing_buffer: attrs.preserve_drawing_buffer,
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}
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}
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pub fn map_attrs_to_script_attrs(attrs: RawGLContextAttributes) -> GLContextAttributes {
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GLContextAttributes {
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alpha: attrs.alpha,
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depth: attrs.depth,
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stencil: attrs.stencil,
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antialias: attrs.antialias,
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premultiplied_alpha: attrs.premultiplied_alpha,
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preserve_drawing_buffer: attrs.preserve_drawing_buffer,
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}
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}
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