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webgl: Don't unnecessarily enable point sprites on GLES.

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This commit is contained in:
Josh Matthews 2018-11-20 16:04:23 -05:00
parent 3fe83f1d06
commit 9c29e139b9
1 changed files with 14 additions and 3 deletions
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17
components/canvas/webgl_thread.rs
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@ -125,11 +125,22 @@ impl<VR: WebVRRenderHandler + 'static> WebGLThread<VR> {
let glsl_version = Self::get_glsl_version(&data.ctx); let glsl_version = Self::get_glsl_version(&data.ctx);
// FIXME(nox): Should probably be done by offscreen_gl_context. // FIXME(nox): Should probably be done by offscreen_gl_context.
if (glsl_version.major, glsl_version.minor) < (3, 1) {
data.ctx.gl().enable(gl::POINT_SPRITE);
}
if !is_gles() { if !is_gles() {
// Points sprites are enabled by default in OpenGL 3.2 core
// and in GLES. Rather than doing version detection, it does
// not hurt to enable them anyways.
data.ctx.gl().enable(gl::POINT_SPRITE);
let err = data.ctx.gl().get_error();
if err != 0 {
warn!("Error enabling GL point sprites: {}", err);
}
data.ctx.gl().enable(gl::PROGRAM_POINT_SIZE); data.ctx.gl().enable(gl::PROGRAM_POINT_SIZE);
let err = data.ctx.gl().get_error();
if err != 0 {
warn!("Error enabling GL program point size: {}", err);
}
} }
WebGLCreateContextResult { WebGLCreateContextResult {