diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_tri.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_tri.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_tri.c b/src/gallium/drivers/llvmpipe/lp_setup_tri.c index 6c9f75e..a5a0407 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_tri.c @@ -359,6 +359,32 @@ do_triangle_ccw(struct setup_context *setup, maxx = tri->maxx / TILESIZE; maxy = tri->maxy / TILESIZE; + { + int xstep1 = -tri->dy12; + int xstep2 = -tri->dy23; + int xstep3 = -tri->dy31; + + int ystep1 = tri->dx12; + int ystep2 = tri->dx23; + int ystep3 = tri->dx31; + + int ix, iy; + int qx, qy; + int i = 0; + + for (qy = 0; qy < 4; qy += 2) { + for (qx = 0; qx < 4; qx += 2) { + for (iy = 0; iy < 2; iy++) { + for (ix = 0; ix < 2; ix++, i++) { + tri->step[0][i] = (xstep1 * (qx+ix)) + (ystep1 * (qy+iy)); + tri->step[1][i] = (xstep2 * (qx+ix)) + (ystep2 * (qy+iy)); + tri->step[2][i] = (xstep3 * (qx+ix)) + (ystep3 * (qy+iy)); + } + } + } + } + } + /* Convert to tile coordinates: */ if (miny == maxy && minx == maxx) |