[Mesa-dev] [PATCH 3/4] llvmpipe: more fixes for integer color buffers
brianp at vmware.com
Mon Jan 14 09:50:35 PST 2013
On 01/12/2013 05:29 PM, sroland at vmware.com wrote:
> From: Roland Scheidegger<sroland at vmware.com>
> Cast back the fake floats to ints, and make sure we don't try to do scaling
> in format conversion (which only makes sense with normalized values).
> Also need to disable blending and alpha test (as per spec) for such buffers.
> This makes fbo-blending from the piglit ext_texture_integer tests work for most
> formats (some crash, and the luminance and intensity variants have the GB or
> GBA channels respectively wrong).
The code looks OK, but I wonder if it should be the state tracker's
responsibility to disable blending and alpha test when using integer
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