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This was used to indicate OpenGL's lower-left origin for fragment window
coordinates for polygon stipple and gl_FragCoord.
Now:
- fragment coordinate origin is always upper-left corner
- GL polygon stipple is inverted and shifted before given to gallium
- GL fragment programs that use INPUT[WPOS] are modified to use an
inverted window coord which is placed in a temp register.
Note: the origin_lower_left field still exists in pipe_rasterizer_state.
Remove it when all the drivers, etc. no longer reference it.
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This header describes the quad-related datatypes afterall.
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Be more consistant with 'draw' module.
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parts.
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Also, rename p_tile.[ch] to u_tile.[ch]
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These are convenience fields. Otherwise, we have to check cbuf[0] or zsbuf
in various places.
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This is in a separate commit to ensure renames are properly preserved.
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