diff options
| author | Christoph Bumiller <[email protected]> | 2012-02-06 16:29:03 +0100 |
|---|---|---|
| committer | Christoph Bumiller <[email protected]> | 2012-02-09 15:01:34 +0100 |
| commit | 8b4f7b0672d663273310fffa9490ad996f5b914a (patch) | |
| tree | f2ba67e7db09659b5a0062644cf46d297578a29a /src/gallium/docs/source | |
| parent | 26de5273acf1ebe6730b5e72b55b3bcceba167c6 (diff) | |
gallium: add PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
Just let the hardware do it if it can and avoid drivers having to
check for the special case on each draw call.
v2: update the draw module
Diffstat (limited to 'src/gallium/docs/source')
| -rw-r--r-- | src/gallium/docs/source/cso/rasterizer.rst | 7 | ||||
| -rw-r--r-- | src/gallium/docs/source/screen.rst | 2 |
2 files changed, 6 insertions, 3 deletions
diff --git a/src/gallium/docs/source/cso/rasterizer.rst b/src/gallium/docs/source/cso/rasterizer.rst index 482b1ea02c9..150e6df88ae 100644 --- a/src/gallium/docs/source/cso/rasterizer.rst +++ b/src/gallium/docs/source/cso/rasterizer.rst @@ -59,13 +59,14 @@ flatshade_first Whether the first vertex should be the provoking vertex, for most primitives. If not set, the last vertex is the provoking vertex. -There are several important exceptions to the specification of this rule. +There are a few important exceptions to the specification of this rule. * ``PIPE_PRIMITIVE_POLYGON``: The provoking vertex is always the first vertex. If the caller wishes to change the provoking vertex, they merely need to rotate the vertices themselves. -* ``PIPE_PRIMITIVE_QUAD``, ``PIPE_PRIMITIVE_QUAD_STRIP``: This option has no - effect; the provoking vertex is always the last vertex. +* ``PIPE_PRIMITIVE_QUAD``, ``PIPE_PRIMITIVE_QUAD_STRIP``: The option only has + an effect if ``PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION`` is true. + If it is not, the provoking vertex is always the last vertex. * ``PIPE_PRIMITIVE_TRIANGLE_FAN``: When set, the provoking vertex is the second vertex, not the first. This permits each segment of the fan to have a different color. diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 2af9f74e902..51d94649c2f 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -96,6 +96,8 @@ The integer capabilities: controlled through pipe_rasterizer_state. * ``PIPE_CAP_GLSL_FEATURE_LEVEL``: Whether the driver supports features equivalent to a specific GLSL version. E.g. for GLSL 1.3, report 130. +* ``PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION``: Whether quads adhere to + the flatshade_first setting in ``pipe_rasterizer_state``. |