Re: [Mesa-dev] [PATCH] llvmpipe: calculate more accurate interpolation value at origin

2013-11-20 Thread Jose Fonseca
Looks good to me. Thanks Roland. Jose - Original Message - > From: Roland Scheidegger > > Some rounding errors could crop up when calculating a0. Use a more accurate > method (barycentric interpolation essentially) to fix this, though to fix > the REAL problem (which is that our interpo

[Mesa-dev] [PATCH] llvmpipe: calculate more accurate interpolation value at origin

2013-11-20 Thread sroland
From: Roland Scheidegger Some rounding errors could crop up when calculating a0. Use a more accurate method (barycentric interpolation essentially) to fix this, though to fix the REAL problem (which is that our interpolation will give very bad results with small triangles far away from the origin