diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast_tri.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c index 9543b86ecd..f6cb628ed4 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c @@ -89,10 +89,12 @@ do_block_4( struct lp_rasterizer *rast, assert(x % 4 == 0); assert(y % 4 == 0); - for (i = 0; i < 16; i++) - mask |= (~(((c1 + tri->step[0][i]) | - (c2 + tri->step[1][i]) | - (c3 + tri->step[2][i])) >> 31)) & (1 << i); + for (i = 0; i < 16; i++) { + int any_negative = ((c1 + tri->step[0][i]) | + (c2 + tri->step[1][i]) | + (c3 + tri->step[2][i])) >> 31; + mask |= (~any_negative) & (1 << i); + } /* As we do trivial reject already, masks should rarely be all zero: */ |