diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 0dd2ac02401..d7817cc9d0e 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -3331,6 +3331,9 @@ contains the current sample id (i.e. gl_SampleID) as an unsigned int. Only the X component is used. If per-sample shading is not enabled, the result is (0, undef, undef, undef). +Note that if the fragment shader uses this system value, the fragment +shader is automatically executed at per sample frequency. + TGSI_SEMANTIC_SAMPLEPOS """"""""""""""""""""""" @@ -3340,6 +3343,9 @@ in the render target (i.e. gl_SamplePosition) when per-fragment shading is in effect. Position values are in the range [0, 1] where 0.5 is the center of the fragment. +Note that if the fragment shader uses this system value, the fragment +shader is automatically executed at per sample frequency. + TGSI_SEMANTIC_SAMPLEMASK """""""""""""""""""""""" |