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Diffstat (limited to 'src/gallium/docs/source/tgsi.rst')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index d5325f4a935..b7d016acb08 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -2621,6 +2621,26 @@ distances and by the PIPE_MAX_CLIP_OR_CULL_DISTANCE_ELEMENT_COUNT which specifies the maximum number of registers which can be annotated with those semantics. +TGSI_SEMANTIC_SAMPLEID +"""""""""""""""""""""" + +For fragment shaders, this semantic label indicates that a system value +contains the current sample id (i.e. gl_SampleID). Only the X value is used. + +TGSI_SEMANTIC_SAMPLEPOS +""""""""""""""""""""""" + +For fragment shaders, this semantic label indicates that a system value +contains the current sample's position (i.e. gl_SamplePosition). Only the X +and Y values are used. + +TGSI_SEMANTIC_SAMPLEMASK +"""""""""""""""""""""""" + +For fragment shaders, this semantic label indicates that an output contains +the sample mask used to disable further sample processing +(i.e. gl_SampleMask). Only the X value is used, up to 32x MS. + Declaration Interpolate ^^^^^^^^^^^^^^^^^^^^^^^ |