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Account for offsets when creating buffers for image textures.

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This commit is contained in:
wolfbeast 2018-06-07 06:21:57 +02:00 • committed by Roy Tam
commit 14c6f518ce
4 changed files with 45 additions and 4 deletions
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6
gfx/layers/composite/TextureHost.cpp
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@ -259,7 +259,9 @@ CreateBackendIndependentTextureHost(const SurfaceDescriptor& aDesc,
case BufferDescriptor::TYCbCrDescriptor: {
const YCbCrDescriptor& ycbcr = desc.get_YCbCrDescriptor();
reqSize =
ImageDataSerializer::ComputeYCbCrBufferSize(ycbcr.ySize(), ycbcr.cbCrSize());
ImageDataSerializer::ComputeYCbCrBufferSize(ycbcr.ySize(), ycbcr.cbCrSize(),
ycbcr.yOffset(), ycbcr.cbOffset(),
ycbcr.crOffset());
break;
}
case BufferDescriptor::TRGBDescriptor: {
@ -272,7 +274,7 @@ CreateBackendIndependentTextureHost(const SurfaceDescriptor& aDesc,
MOZ_CRASH("GFX: Bad descriptor");
}
if (bufSize < reqSize) {
if (reqSize == 0 || bufSize < reqSize) {
NS_ERROR("A client process gave a shmem too small to fit for its descriptor!");
return nullptr;
}