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Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/docs/source/cso/blend.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/docs/source/cso/blend.rst b/src/gallium/docs/source/cso/blend.rst index 7bde10c1245..dce999c8327 100644 --- a/src/gallium/docs/source/cso/blend.rst +++ b/src/gallium/docs/source/cso/blend.rst @@ -12,7 +12,11 @@ Blend Factors The blend factors largely follow the same pattern as their counterparts in other modern and legacy drawing APIs. -XXX blurb about dual-source blends +Dual source blend factors are supported for up to 1 MRT, although +you can advertise > 1 MRT, the stack cannot handle them for a few reasons. +There is no definition on how the 1D array of shader outputs should be mapped +to something that would be a 2D array (location, index). No current hardware +exposes > 1 MRT, and we should revisit this issue if anyone ever does. Logical Operations ------------------ |