diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/docs/source/tgsi.rst | 22 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_shader_tokens.h | 3 |
2 files changed, 22 insertions, 3 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 3af1fb717a2..926527151c4 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -2400,14 +2400,32 @@ Edge flags are used to control which lines or points are actually drawn when the polygon mode converts triangles/quads/polygons into points or lines. + TGSI_SEMANTIC_STENCIL -"""""""""""""""""""""" +""""""""""""""""""""" -For fragment shaders, this semantic label indicates than an output +For fragment shaders, this semantic label indicates that an output is a writable stencil reference value. Only the Y component is writable. This allows the fragment shader to change the fragments stencilref value. +TGSI_SEMANTIC_VIEWPORT_INDEX +"""""""""""""""""""""""""""" + +For geometry shaders, this semantic label indicates that an output +contains the index of the viewport (and scissor) to use. +Only the X value is used. + + +TGSI_SEMANTIC_LAYER +""""""""""""""""""" + +For geometry shaders, this semantic label indicates that an output +contains the layer value to use for the color and depth/stencil surfaces. +Only the X value is used. (Also known as rendertarget array index.) + + + Declaration Interpolate ^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h index b33cf1d5213..c984d50abe9 100644 --- a/src/gallium/include/pipe/p_shader_tokens.h +++ b/src/gallium/include/pipe/p_shader_tokens.h @@ -165,7 +165,8 @@ struct tgsi_declaration_interp #define TGSI_SEMANTIC_TEXCOORD 19 /**< texture or sprite coordinates */ #define TGSI_SEMANTIC_PCOORD 20 /**< point sprite coordinate */ #define TGSI_SEMANTIC_VIEWPORT_INDEX 21 /**< viewport index */ -#define TGSI_SEMANTIC_COUNT 22 /**< number of semantic values */ +#define TGSI_SEMANTIC_LAYER 22 /**< layer (rendertarget index) */ +#define TGSI_SEMANTIC_COUNT 23 /**< number of semantic values */ struct tgsi_declaration_semantic { |