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Bug 912196 - Determine workarounds before we run dependent code. - r=kamidphish

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This commit is contained in:
Jeff Gilbert 2014-10-08 16:37:30 -07:00
parent 4bbd093290
commit 52a8915e2f
1 changed files with 14 additions and 12 deletions
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26
dom/canvas/WebGLContext.cpp
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@ -909,17 +909,24 @@ WebGLContext::SetDimensions(int32_t sWidth, int32_t sHeight)
// increment the generation number
++mGeneration;
MakeContextCurrent();
gl->fViewport(0, 0, mWidth, mHeight);
mViewportWidth = mWidth;
mViewportHeight = mHeight;
// Update our internal stuff:
if (gl->WorkAroundDriverBugs()) {
if (!mOptions.alpha && gl->Caps().alpha) {
mNeedsFakeNoAlpha = true;
}
}
// Update mOptions.
mOptions.depth = gl->Caps().depth;
mOptions.stencil = gl->Caps().stencil;
mOptions.antialias = gl->Caps().antialias;
MakeContextCurrent();
gl->fViewport(0, 0, mWidth, mHeight);
mViewportWidth = mWidth;
mViewportHeight = mHeight;
// Make sure that we clear this out, otherwise
// we'll end up displaying random memory
gl->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, 0);
@ -934,14 +941,9 @@ WebGLContext::SetDimensions(int32_t sWidth, int32_t sHeight)
mShouldPresent = true;
if (gl->WorkAroundDriverBugs()) {
if (!mOptions.alpha && gl->Caps().alpha) {
mNeedsFakeNoAlpha = true;
}
}
MOZ_ASSERT(gl->Caps().color);
MOZ_ASSERT(gl->Caps().alpha == mOptions.alpha);
MOZ_ASSERT_IF(!mNeedsFakeNoAlpha, gl->Caps().alpha == mOptions.alpha);
MOZ_ASSERT_IF(mNeedsFakeNoAlpha, !mOptions.alpha && gl->Caps().alpha);
MOZ_ASSERT(gl->Caps().depth == mOptions.depth);
MOZ_ASSERT(gl->Caps().stencil == mOptions.stencil);
MOZ_ASSERT(gl->Caps().antialias == mOptions.antialias);