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Update mask calculations for point drawing.

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This commit is contained in:
Brian
2007-10-16 17:43:41 -06:00
parent bd35c53143
commit efdacc90b4
1 changed files with 10 additions and 10 deletions
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src/mesa/pipe/softpipe/sp_prim_setup.c
+10 -10
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@@ -1011,8 +1011,8 @@ setup_point(struct draw_stage *stage, struct prim_header *prim)
dist2 = dx * dx + dy * dy;
if (dist2 <= rmax2) {
cover = 1.0F - (dist2 - rmin2) * cscale;
setup->quad.coverage[QUAD_BOTTOM_LEFT] = MIN2(cover, 1.0f);
setup->quad.mask |= MASK_BOTTOM_LEFT;
setup->quad.coverage[QUAD_TOP_LEFT] = MIN2(cover, 1.0f);
setup->quad.mask |= MASK_TOP_LEFT;
}
dx = (ix + 1.5f) - x;
@@ -1020,8 +1020,8 @@ setup_point(struct draw_stage *stage, struct prim_header *prim)
dist2 = dx * dx + dy * dy;
if (dist2 <= rmax2) {
cover = 1.0F - (dist2 - rmin2) * cscale;
setup->quad.coverage[QUAD_BOTTOM_RIGHT] = MIN2(cover, 1.0f);
setup->quad.mask |= MASK_BOTTOM_RIGHT;
setup->quad.coverage[QUAD_TOP_RIGHT] = MIN2(cover, 1.0f);
setup->quad.mask |= MASK_TOP_RIGHT;
}
dx = (ix + 0.5f) - x;
@@ -1029,8 +1029,8 @@ setup_point(struct draw_stage *stage, struct prim_header *prim)
dist2 = dx * dx + dy * dy;
if (dist2 <= rmax2) {
cover = 1.0F - (dist2 - rmin2) * cscale;
setup->quad.coverage[QUAD_TOP_LEFT] = MIN2(cover, 1.0f);
setup->quad.mask |= MASK_TOP_LEFT;
setup->quad.coverage[QUAD_BOTTOM_LEFT] = MIN2(cover, 1.0f);
setup->quad.mask |= MASK_BOTTOM_LEFT;
}
dx = (ix + 1.5f) - x;
@@ -1038,8 +1038,8 @@ setup_point(struct draw_stage *stage, struct prim_header *prim)
dist2 = dx * dx + dy * dy;
if (dist2 <= rmax2) {
cover = 1.0F - (dist2 - rmin2) * cscale;
setup->quad.coverage[QUAD_TOP_RIGHT] = MIN2(cover, 1.0f);
setup->quad.mask |= MASK_TOP_RIGHT;
setup->quad.coverage[QUAD_BOTTOM_RIGHT] = MIN2(cover, 1.0f);
setup->quad.mask |= MASK_BOTTOM_RIGHT;
}
if (setup->quad.mask) {
@@ -1068,12 +1068,12 @@ setup_point(struct draw_stage *stage, struct prim_header *prim)
if (iy + 0.5 < y - halfSize) {
/* below the bottom edge */
setup->quad.mask &= ~(MASK_BOTTOM_LEFT | MASK_BOTTOM_RIGHT);
setup->quad.mask &= ~(MASK_TOP_LEFT | MASK_TOP_RIGHT);
}
if (iy + 1.5 > y + halfSize) {
/* above the top edge */
setup->quad.mask &= ~(MASK_TOP_LEFT | MASK_TOP_RIGHT);
setup->quad.mask &= ~(MASK_BOTTOM_LEFT | MASK_BOTTOM_RIGHT);
}
if (setup->quad.mask) {