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23-Mar-2010 |
Brian Paul <brianp@vmware.com> |
softpipe: add special cases for all Z compare modes for 16-bit Z buffer
We had fast paths for PIPE_FUNC_LESS and LEQUAL before. To satisfy
OpenGL invariance rules, all depth compare modes should produce the
same fragment Z values.
Fixes progs/demos/singlebuffer.c
/external/mesa3d/src/gallium/drivers/softpipe/sp_quad_depth_test_tmp.h
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