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llvmpipe: consolidate several loops in lp_rast_triangle

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This commit is contained in:
Keith Whitwell 2010-08-15 17:40:39 +01:00
parent ff26594a92
commit 85d9bc236d
1 changed files with 15 additions and 18 deletions
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33
src/gallium/drivers/llvmpipe/lp_rast_tri_tmp.h
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@ -152,31 +152,28 @@ TAG(lp_rast_triangle)(struct lp_rasterizer_task *task,
struct lp_rast_plane plane[NR_PLANES];
int c[NR_PLANES];
unsigned outmask, inmask, partmask, partial_mask;
unsigned j, nr_planes = 0;
unsigned j = 0;
while (plane_mask) {
int i = ffs(plane_mask) - 1;
plane[nr_planes] = tri->plane[i];
plane_mask &= ~(1 << i);
nr_planes++;
};
assert(nr_planes == NR_PLANES);
outmask = 0; /* outside one or more trivial reject planes */
partmask = 0; /* outside one or more trivial accept planes */
for (j = 0; j < NR_PLANES; j++) {
while (plane_mask) {
int i = ffs(plane_mask) - 1;
plane[j] = tri->plane[i];
plane_mask &= ~(1 << i);
c[j] = plane[j].c + plane[j].dcdy * y - plane[j].dcdx * x;
}
for (j = 0; j < NR_PLANES; j++) {
const int dcdx = -plane[j].dcdx * 16;
const int dcdy = plane[j].dcdy * 16;
const int cox = c[j] + plane[j].eo * 16;
const int cio = c[j] + plane[j].ei * 16 - 1;
{
const int dcdx = -plane[j].dcdx * 16;
const int dcdy = plane[j].dcdy * 16;
const int cox = c[j] + plane[j].eo * 16;
const int cio = c[j] + plane[j].ei * 16 - 1;
outmask |= build_mask_linear(cox, dcdx, dcdy);
partmask |= build_mask_linear(cio, dcdx, dcdy);
outmask |= build_mask_linear(cox, dcdx, dcdy);
partmask |= build_mask_linear(cio, dcdx, dcdy);
}
j++;
}
if (outmask == 0xffff)