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Bug 1193015 - Require MOZ_GLX_USE_SURFACE_SHARING to enable WebGL surface sharing on GLX. r=jgilbert

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This commit is contained in:
Andrew Comminos 2015-09-24 13:05:45 -07:00
parent 439f56e019
commit b2668b2662
2 changed files with 8 additions and 1 deletions
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7
gfx/gl/GLXLibrary.h
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@ -21,6 +21,7 @@ typedef XID GLXContextID;
typedef XID GLXWindow;
typedef XID GLXPbuffer;
// end of stuff from glx.h
#include "prenv.h"
struct PRLibrary;
class gfxASurface;
@ -108,6 +109,12 @@ public:
bool SupportsTextureFromPixmap(gfxASurface* aSurface);
bool IsATI() { return mIsATI; }
bool GLXVersionCheck(int aMajor, int aMinor);
bool UseSurfaceSharing() {
// Disable surface sharing due to issues with compatible FBConfigs on
// NVIDIA drivers as described in bug 1193015.
static bool useSharing = PR_GetEnv("MOZ_GLX_USE_SURFACE_SHARING");
return mUseTextureFromPixmap && useSharing;
}
private:

2
gfx/layers/client/ClientCanvasLayer.cpp
View File

@ -92,7 +92,7 @@ ClientCanvasLayer::Initialize(const Data& aData)
#elif defined(MOZ_WIDGET_GONK)
factory = MakeUnique<SurfaceFactory_Gralloc>(mGLContext, caps, forwarder, mFlags);
#elif defined(GL_PROVIDER_GLX)
if (sGLXLibrary.UseTextureFromPixmap())
if (sGLXLibrary.UseSurfaceSharing())
factory = SurfaceFactory_GLXDrawable::Create(mGLContext, caps, forwarder, mFlags);
#else
if (mGLContext->GetContextType() == GLContextType::EGL) {