gallium/docs: clarify TGSI_SEMANTIC_SAMPLEMASK, again
authorBrian Paul <brianp@vmware.com>
Mon, 12 Jun 2017 17:33:30 +0000 (11:33 -0600)
committerBrian Paul <brianp@vmware.com>
Tue, 13 Jun 2017 14:02:43 +0000 (08:02 -0600)
commitdef8d1d23f5b6cf289e9247a41cc902113831a67
tree260adaf4b3f2e149003789d523b1b3ded6f1290b
parent26500c3fad822ebcd7e2df186d59f96ae550ef64
gallium/docs: clarify TGSI_SEMANTIC_SAMPLEMASK, again

I've since discovered the fragment shader sample mask system value (which
corresponds to gl_SampleMaskIn).

v2: It's a system value, not a shader input.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
src/gallium/docs/source/tgsi.rst