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foxyshadis · 3rd October 2015, 05:03

Is dst memsetted to 0? Could be garbage in the alpha bit. Actually, it's only happening on white, so it's probably not clamping. Should move the clamping outside of the if yuv/rgb block, along with memsetting (or just manually setting alpha to 0 each pixel).

3rd October 2015, 05:03	#6 \| Link
foxyshadis Angel of Night Join Date: Nov 2004 Location: Tangled in the silks Posts: 9,559	Is dst memsetted to 0? Could be garbage in the alpha bit. Actually, it's only happening on white, so it's probably not clamping. Should move the clamping outside of the if yuv/rgb block, along with memsetting (or just manually setting alpha to 0 each pixel).