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Bug 781731 - Fix Azure Cairo GTK perf by removing xlib to buffered image conversion. r=mattwoodrow

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This commit is contained in:
Anthony Jones 2012-09-02 19:07:05 -04:00
parent cca5ebe275
commit 5a0d03626e
1 changed files with 16 additions and 1 deletions
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17
gfx/thebes/gfxPlatform.cpp
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@ -535,8 +535,23 @@ gfxPlatform::GetSourceSurfaceForSurface(DrawTarget *aTarget, gfxASurface *aSurfa
dt->Flush();
}
srcBuffer = aTarget->CreateSourceSurfaceFromNativeSurface(surf);
}
} else
#endif
if (aSurface->CairoSurface() && aTarget->GetType() == BACKEND_CAIRO) {
// If this is an xlib cairo surface we don't want to fetch it into memory
// because this is a major slow down.
NativeSurface surf;
surf.mFormat = format;
surf.mType = NATIVE_SURFACE_CAIRO_SURFACE;
surf.mSurface = aSurface->CairoSurface();
srcBuffer = aTarget->CreateSourceSurfaceFromNativeSurface(surf);
if (srcBuffer) {
// It's cheap enough to make a new one so we won't keep it around and
// keeping it creates a cycle.
return srcBuffer;
}
}
if (!srcBuffer) {
nsRefPtr<gfxImageSurface> imgSurface = aSurface->GetAsImageSurface();