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![]() The code now computes start/dpdx/dpdy to start at (0, 0) of the bitmap and not at the polygon origin. It's a more precise when the polygon is a tad big, and a lot more precise when the coordinates are big enough not to fit in an int. The code is still somewhat broken when the coordinates do not fit in an int. I'll have to see about that later. I can ignore it for now by z-clipping a little further. The subpixel correction is missing, I wasn't sure if we needed to add or substract 0.5*(dpdx+dpdy) to start. And I don't really know how to test for it either. |
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