diff options
Diffstat (limited to 'src/gallium/docs/source')
| -rw-r--r-- | src/gallium/docs/source/cso/blend.rst | 39 | ||||
| -rw-r--r-- | src/gallium/docs/source/cso/sampler.rst | 10 |
2 files changed, 43 insertions, 6 deletions
diff --git a/src/gallium/docs/source/cso/blend.rst b/src/gallium/docs/source/cso/blend.rst index fd9e4a1e2d5..3fc573054e6 100644 --- a/src/gallium/docs/source/cso/blend.rst +++ b/src/gallium/docs/source/cso/blend.rst @@ -6,9 +6,42 @@ Blend This state controls blending of the final fragments into the target rendering buffers. -XXX it is unresolved what behavior should result if blend_enable is off. - Members ------- -XXX undocumented members +independent_blend_enable + If enabled, blend state is different for each render target, and + for each render target set in the respective member of the rt array. + If disabled, blend state is the same for all render targets, and only + the first member of the rt array contains valid data. +logicop_enable + Enables logic ops. Cannot be enabled at the same time as blending, and + is always the same for all render targets. +logicop_func + The logic operation to use if logic ops are enabled. One of PIPE_LOGICOP. +dither + Whether dithering is enabled. +rt + Contains the per rendertarget blend state. + +per rendertarget members +------------------------ + +blend_enable + If blending is enabled, perform a blend calculation according to blend + functions and source/destination factors. Otherwise, the incoming fragment + color gets passed unmodified (but colormask still applies). +rgb_func + The blend function to use for rgb channels. One of PIPE_BLEND. +rgb_src_factor + The blend source factor to use for rgb channels. One of PIPE_BLENDFACTOR. +rgb_dst_factor + The blend destination factor to use for rgb channels. One of PIPE_BLENDFACTOR. +alpha_func + The blend function to use for the alpha channel. One of PIPE_BLEND. +alpha_src_factor + The blend source factor to use for the alpha channel. One of PIPE_BLENDFACTOR. +alpha_dst_factor + The blend destination factor to use for alpha channel. One of PIPE_BLENDFACTOR. +colormask + Bitmask of which channels to write. Combination of PIPE_MASK bits. diff --git a/src/gallium/docs/source/cso/sampler.rst b/src/gallium/docs/source/cso/sampler.rst index e3f1757f57a..8b67ca57f12 100644 --- a/src/gallium/docs/source/cso/sampler.rst +++ b/src/gallium/docs/source/cso/sampler.rst @@ -12,8 +12,6 @@ with the traditional (S, T, R, Q) notation. Members ------- -XXX undocumented compare_mode, compare_func - wrap_s How to wrap the S coordinate. One of PIPE_TEX_WRAP. wrap_t @@ -27,12 +25,18 @@ min_mip_filter PIPE_TEX_FILTER. mag_img_filter The filter to use when magnifying texels. One of PIPE_TEX_FILTER. +compare_mode + If set to PIPE_TEX_COMPARE_R_TO_TEXTURE, texture output is computed + according to compare_func, using r coord and the texture value as operands. + If set to PIPE_TEX_COMPARE_NONE, no comparison calculation is performed. +compare_func + How the comparison is computed. One of PIPE_FUNC. normalized_coords Whether the texture coordinates are normalized. If normalized, they will always be in [0, 1]. If not, they will be in the range of each dimension of the loaded texture. prefilter - XXX From the Doxy, "weird sampling state exposed by some APIs." Refine. + Cylindrical texcoord wrap enable per coord. Not exposed by most APIs. lod_bias The bias to apply to the level of detail. min_lod |