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Bug 1100126 - Don't return garbage image data if we fail to blit the texture r=jgilbert

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This commit is contained in:
James Willcox 2015-02-02 15:25:22 -06:00
parent 88468d1d91
commit 0b9b262baf
1 changed files with 4 additions and 3 deletions
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7
gfx/layers/GLImages.cpp
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@ -61,9 +61,9 @@ GLImage::GetAsSourceSurface()
GLBlitHelper helper(sSnapshotContext);
helper.BlitImageToFramebuffer(this, size, fb.FB(), true);
ScopedBindFramebuffer bind(sSnapshotContext, fb.FB());
if (!helper.BlitImageToFramebuffer(this, size, fb.FB(), true)) {
return nullptr;
}
RefPtr<gfx::DataSourceSurface> source =
gfx::Factory::CreateDataSourceSurface(size, gfx::SurfaceFormat::B8G8R8A8);
@ -71,6 +71,7 @@ GLImage::GetAsSourceSurface()
return nullptr;
}
ScopedBindFramebuffer bind(sSnapshotContext, fb.FB());
ReadPixelsIntoDataSurface(sSnapshotContext, source);
return source.forget();
}