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authorIan Romanick <[email protected]>2012-01-19 17:29:37 -0800
committerIan Romanick <[email protected]>2012-01-24 12:30:57 -0800
commit9be3be3c6654da18466626c2d45ff4d06b5fb953 (patch)
tree5b8673766b68dfb611ea7caf138d6506f17f0726 /Makefile
parent34db7a8c1e775aaefad7952133e087f1c1a569f6 (diff)
swrast: Use fixed-function processing instead _TexEnvProgram for DrawPixels
This is a hack to work around drivers such as i965 that: - Set _MaintainTexEnvProgram to generate GLSL IR for fixed-function fragment processing. - Don't call _mesa_ir_link_shader to generate Mesa IR from the GLSL IR. - May use swrast to handle glDrawPixels. Since _mesa_ir_link_shader is never called, there is no Mesa IR to execute. Instead do regular fixed-function processing. Even on platforms that don't need this, the software fixed-function code is much faster than the software shader code. NOTE: This is a candidate for the 8.0 branch. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Eric Anholt <[email protected]> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44749
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