diff options
| -rw-r--r-- | src/gallium/docs/source/cso/rasterizer.rst | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/gallium/docs/source/cso/rasterizer.rst b/src/gallium/docs/source/cso/rasterizer.rst index 4d8e1708e7..2ca9b64188 100644 --- a/src/gallium/docs/source/cso/rasterizer.rst +++ b/src/gallium/docs/source/cso/rasterizer.rst @@ -133,9 +133,13 @@ implementation-dependent, but will usually be Gourard for most hardware. bypass_vs_clip_and_viewport ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -When set, this implies that vertices are pre-transformed for the viewport, and -will not be run through the vertex shader. Note that implementations may still -clip away vertices that are not visible. +When set, this implies that vertices are pre-transformed for the +viewport, and will not be run through the vertex shader. Note that +these vertices will fall outside the conventional unit-cube clip +space. Implementations are expected to discard pixels which fall +outside the viewport (XXX: how is the viewport defined in this case), +and may if desired choose to subject these vertices to clipping after +appropriate transformation to the clipping cube. flatshade_first ^^^^^^^^^^^^^^^ |