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authorDave Airlie <airlied@redhat.com>2015-01-27 13:39:51 +1000
committerDave Airlie <airlied@redhat.com>2015-01-28 09:51:21 +1000
commit349df23eb0d119e3f22ff6149824497414f07505 (patch)
tree048b6c2ba1a2cfb032664e2ce2ee61ee6f214000 /src/mesa
parentcc2fc095bfae1c0494240e4f06931e2ca90e182c (diff)
r600g: add support for primitive id without geom shader (v2)
GLSL 1.50 specifies a fragment shader may have a primitive id input without a geometry shader present. On r600 hw there is a special GS scenario for this, you have to enable GS_SCENARIO_A and pass the primitive id through the vertex shader which operates in GS_A mode. This is a first pass attempt at this, and passes the piglit tests that test for this. v1.1: clean up debug print + no need to assign key value to setup output. v2: add r600 support Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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