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authorJosé Fonseca <jfonseca@vmware.com>2010-06-02 18:43:35 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-06-02 18:43:35 +0100
commitead58101f91e82279b25676dfe822120be611995 (patch)
tree2698c9fa8f327726c57e5cda971c88447ce134b1 /src/gallium/drivers/failover
parent5871b7ebc9f9629c076c9fe3c9c32aa9fd531eba (diff)
llvmpipe: Per quad interpolation.
First interpolate the 4 quads upper left corners, then sub-interpolate each quad pixel. Do the perspective divide once per quad. Saves some muls and reciprocates. But doesn't seem to make a noticeable improvement. It make the code simpler and more compact, so commiting anyway.
Diffstat (limited to 'src/gallium/drivers/failover')
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