Created attachment 62924 [details] RADEON_DEBUG=fp log ./bin/shader_runner tests/shaders/glsl-fs-discard-04.shader_test -auto -fbo Probe at (0,0) Expected: 0.000000 1.000000 0.000000 0.000000 Observed: 1.000000 0.000000 0.000000 0.000000 PIGLIT: {'result': 'fail' } Regression test shows: e21b9f1f19d2345026a7fbe095a776d0b64557ec is the first bad commit commit e21b9f1f19d2345026a7fbe095a776d0b64557ec Author: Eric Anholt <eric@anholt.net> Date: Fri May 4 13:37:08 2012 -0700 glsl: Remove the opt_discard_simplification pass. This conflicts with the GLSL 1.30+ rules for derivatives after a discard has occurred. Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> llvmpipe works fine, so this may be another uncovered r300 compiler issue. GPU:RV530 Kernel: 3.4.0-1.fc17.i686
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