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webgl: Set more ANGLE shader translation properties for WebGL 2.

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This commit is contained in:
Josh Matthews 2019-12-19 16:42:24 -05:00
parent aa36d5f657
commit 156ad646a0
6 changed files with 225 additions and 43 deletions
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19
components/canvas/webgl_thread.rs
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@ -421,7 +421,7 @@ impl WebGLThread {
let context_attributes = &ContextAttributes {
version: webgl_version.to_surfman_version(),
flags: attributes.to_surfman_context_attribute_flags(),
flags: attributes.to_surfman_context_attribute_flags(webgl_version),
};
let context_descriptor = self
@ -486,7 +486,7 @@ impl WebGLThread {
})),
};
let limits = GLLimits::detect(&*gl);
let limits = GLLimits::detect(&*gl, webgl_version);
let size = clamp_viewport(&gl, requested_size);
if safe_size != size {
@ -2659,17 +2659,24 @@ impl ToSurfmanVersion for WebGLVersion {
}
trait SurfmanContextAttributeFlagsConvert {
fn to_surfman_context_attribute_flags(&self) -> ContextAttributeFlags;
fn to_surfman_context_attribute_flags(
&self,
webgl_version: WebGLVersion,
) -> ContextAttributeFlags;
}
impl SurfmanContextAttributeFlagsConvert for GLContextAttributes {
fn to_surfman_context_attribute_flags(&self) -> ContextAttributeFlags {
fn to_surfman_context_attribute_flags(
&self,
webgl_version: WebGLVersion,
) -> ContextAttributeFlags {
let mut flags = ContextAttributeFlags::empty();
flags.set(ContextAttributeFlags::ALPHA, self.alpha);
flags.set(ContextAttributeFlags::DEPTH, self.depth);
flags.set(ContextAttributeFlags::STENCIL, self.stencil);
// TODO: should we always set this to true?
flags.set(ContextAttributeFlags::COMPATIBILITY_PROFILE, true);
if webgl_version == WebGLVersion::WebGL1 {
flags.set(ContextAttributeFlags::COMPATIBILITY_PROFILE, true);
}
flags
}
}