diff options
Diffstat (limited to 'src/gallium/docs')
-rw-r--r-- | src/gallium/docs/source/context.rst | 1 | ||||
-rw-r--r-- | src/gallium/docs/source/screen.rst | 3 | ||||
-rw-r--r-- | src/gallium/docs/source/tgsi.rst | 20 |
3 files changed, 24 insertions, 0 deletions
diff --git a/src/gallium/docs/source/context.rst b/src/gallium/docs/source/context.rst index 1fc8a3e4bad..fc8dd16f894 100644 --- a/src/gallium/docs/source/context.rst +++ b/src/gallium/docs/source/context.rst @@ -67,6 +67,7 @@ objects. They all follow simple, one-method binding calls, e.g. which are used as comparison values in stencil test. * ``set_blend_color`` * ``set_sample_mask`` +* ``set_min_samples`` sets the minimum number of samples that must be run. * ``set_clip_state`` * ``set_polygon_stipple`` * ``set_scissor_states`` sets the bounds for the scissor test, which culls diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 89cbdbf8051..f5acebb3508 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -197,6 +197,9 @@ The integer capabilities: in conjunction with a texture gather opcode. * ``PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET``: The maximum offset that can be used in conjunction with a texture gather opcode. +* ``PIPE_CAP_SAMPLE_SHADING``: Whether there is support for per-sample + shading. The context->set_min_samples function will be expected to be + implemented. .. _pipe_capf: 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 ^^^^^^^^^^^^^^^^^^^^^^^ |