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| author | Keith Whitwell <keithw@vmware.com> | 2010-08-15 16:21:46 +0100 |
|---|---|---|
| committer | Keith Whitwell <keithw@vmware.com> | 2010-08-15 16:25:06 +0100 |
| commit | 510b03539413552a543e25de6b896eb10baf60ae (patch) | |
| tree | b5e38181ef9c7133775a29c17bc41a09c6ac1b3d /src/gallium/drivers/llvmpipe/lp_rast_tri.c | |
| parent | 2d53dc873ea1d9e0e3e4c1cf08a63621661e422f (diff) | |
llvmpipe: reorganize block4 loop, nice speedup
isosurf 95->115 fps just by exchanging the two inner loops in this
function...
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_rast_tri.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast_tri.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c index ebe9a8e92b..c1f2680ddc 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c @@ -113,6 +113,21 @@ block_full_16(struct lp_rasterizer_task *task, block_full_4(task, tri, x + ix, y + iy); } + +static INLINE unsigned +build_mask(int c, const int *step) +{ + int mask = 0; + int i; + + for (i = 0; i < 16; i++) { + mask |= ((c + step[i]) >> 31) & (1 << i); + } + + return mask; +} + + #define TAG(x) x##_1 #define NR_PLANES 1 #include "lp_rast_tri_tmp.h" |