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| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast_tri.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c index 9c3f699ec71..92769beee1f 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c @@ -40,6 +40,9 @@ * Map an index in [0,15] to an x,y position, multiplied by 4. * This is used to get the position of each subtile in a 4x4 * grid of edge step values. + * Note: we can use some bit twiddling to compute these values instead + * of using a look-up table, but there's no measurable performance + * difference. */ static const int pos_table4[16][2] = { { 0, 0 }, |