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authorBrian Paul <[email protected]>2010-09-22 11:20:48 -0600
committerBrian Paul <[email protected]>2010-09-22 11:25:18 -0600
commit516ac2bd50ad1e71bd2a359d247532d9f18bcf99 (patch)
treef267f8969edd0bf08c72ed38965a0fe09f57e2f0 /docs
parentbd6b8107ad551d8c7439102b8e9027abf901b139 (diff)
llvmpipe: fix sprite texcoord setup for non-projective texturing
Normally the Mesa state tracker uses TXP instructions for texturing. But if a fragment shader uses texture2D() that's a TEX instruction. In that case we were incorrectly computing the texcoord coefficients in the point sprite setup code. Some new comments in the code explain things.
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