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Make GL/GLES decisions based on the API in use.

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This commit is contained in:
Josh Matthews 2019-07-10 17:34:16 -04:00
parent 812bf8d816
commit dbaed5ed92
13 changed files with 83 additions and 52 deletions
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13
components/canvas/gl_context.rs
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@ -27,6 +27,7 @@ pub enum GLContextFactory {
Native(
NativeGLContextHandle,
Option<Box<dyn CloneableDispatcher + Send>>,
gl::GlType,
),
OSMesa(OSMesaContextHandle),
}
@ -35,6 +36,7 @@ impl GLContextFactory {
/// Creates a new GLContextFactory that uses the currently bound GL context to create shared contexts.
pub fn current_native_handle(
dispatcher: Box<dyn CloneableDispatcher + Send>,
api_type: gl::GlType,
) -> Option<GLContextFactory> {
let dispatcher = if cfg!(target_os = "windows") {
// Used to dispatch functions from the GLContext thread to the main thread's
@ -46,7 +48,8 @@ impl GLContextFactory {
// FIXME(emilio): This assumes a single GL backend per platform which is
// not true on Linux, we probably need a third `Egl` variant or abstract
// it a bit more...
NativeGLContext::current_handle().map(|handle| GLContextFactory::Native(handle, dispatcher))
NativeGLContext::current_handle()
.map(|handle| GLContextFactory::Native(handle, dispatcher, api_type))
}
/// Creates a new GLContextFactory that uses the currently bound OSMesa context to create shared contexts.
@ -63,13 +66,13 @@ impl GLContextFactory {
) -> Result<GLContextWrapper, &'static str> {
let attributes = map_attrs(attributes);
Ok(match *self {
GLContextFactory::Native(ref handle, ref dispatcher) => {
GLContextFactory::Native(ref handle, ref dispatcher, ref api_type) => {
GLContextWrapper::Native(GLContext::new_shared_with_dispatcher(
// FIXME(nox): Why are those i32 values?
size.to_i32(),
attributes,
ColorAttachmentType::Texture,
gl::GlType::default(),
*api_type,
Self::gl_version(webgl_version),
Some(handle),
dispatcher.as_ref().map(|d| (**d).clone()),
@ -99,13 +102,13 @@ impl GLContextFactory {
) -> Result<GLContextWrapper, &'static str> {
let attributes = map_attrs(attributes);
Ok(match *self {
GLContextFactory::Native(..) => {
GLContextFactory::Native(_, _, ref api_type) => {
GLContextWrapper::Native(GLContext::new_shared_with_dispatcher(
// FIXME(nox): Why are those i32 values?
size.to_i32(),
attributes,
ColorAttachmentType::Texture,
gl::GlType::default(),
*api_type,
Self::gl_version(webgl_version),
None,
None,