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Diffstat (limited to 'src/gallium/docs/source/tgsi.rst')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 7e7010f407f..fda21a21ed4 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -1754,6 +1754,17 @@ Specifies that writes to the fragment shader color 0 are replicated to all bound cbufs. This facilitates OpenGL's fragColor output vs fragData[0] where fragData is directed to a single color buffer, but fragColor is broadcast. +VS_PROHIBIT_UCPS +"""""""""""""""""""""""""" +If this property is set on the program bound to the shader stage before the +fragment shader, user clip planes should have no effect (be disabled) even if +that shader does not write to any clip distance outputs and the rasterizer's +clip_plane_enable is non-zero. +This property is only supported by drivers that also support shader clip +distance outputs. +This is useful for APIs that don't have UCPs and where clip distances written +by a shader cannot be disabled. + Texture Sampling and Texture Formats ------------------------------------ |