diff options
| author | Ilia Mirkin <[email protected]> | 2014-03-30 18:21:04 -0400 |
|---|---|---|
| committer | Ilia Mirkin <[email protected]> | 2014-04-26 11:52:01 -0400 |
| commit | 88d8d88d8c151ca1e8ec3af0caba16a4e34ca281 (patch) | |
| tree | 58c1c29f2f1befeafb9a8e3cb0716dd070aa085c /src/gallium/docs/source/tgsi.rst | |
| parent | 3a2885fb268ebbc23cf1bceaad7e77ac06d85edb (diff) | |
gallium: add basic support for ARB_sample_shading
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
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 ^^^^^^^^^^^^^^^^^^^^^^^ |