Stenzek 176177af49 GeometryShaderGen: Use lower-left origin for point texture coordinates ...

From what I can tell, the emulated GPU places (0,0) at the lower left of
the image, and we were generating texture coordinates so that (0,0) was
at the upper-left in the expansion geometry shader, causing textures
used by point sprites to be flipped vertically.

Fixes the upside-down A button in Mario Golf.

2017-01-04 20:23:07 +10:00

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