[Mesa-dev] [PATCH] mesa: Respect GL_RASTERIZER_DISCARD for various meta-type operations.
brianp at vmware.com
Fri Sep 30 07:29:09 PDT 2011
On 09/30/2011 12:41 AM, Eric Anholt wrote:
> From the EXT_transform_feedback spec:
> Primitives can be optionally discarded before rasterization by calling
> Enable and Disable with RASTERIZER_DISCARD_EXT. When enabled, primitives
> are discared right before the rasterization stage, but after the optional
> transform feedback stage. When disabled, primitives are passed through to
> the rasterization stage to be processed normally. RASTERIZER_DISCARD_EXT
> applies to the DrawPixels, CopyPixels, Bitmap, Clear and Accum commands as
> And the GL 3.2 spec says it applies to ClearBuffer* as well.
Reviewed-by: Brian Paul <brianp at vmware.com>
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