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Redefine QUAD_TOP_LEFT, TOP_RIGHT, etc. to reflect Y=0=TOP raster layout.

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Brian
2007-10-16 17:36:37 -06:00
parent 63b0b5b6c7
commit 0edd490a96
2 changed files with 16 additions and 15 deletions
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12
src/mesa/pipe/softpipe/sp_prim_setup.c
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@@ -125,11 +125,11 @@ quad_clip(struct setup_stage *setup)
if (setup->quad.x0 < minx)
setup->quad.mask &= (MASK_BOTTOM_RIGHT | MASK_TOP_RIGHT);
if (setup->quad.y0 < miny)
setup->quad.mask &= (MASK_TOP_LEFT | MASK_TOP_RIGHT);
setup->quad.mask &= (MASK_BOTTOM_LEFT | MASK_BOTTOM_RIGHT);
if (setup->quad.x0 == maxx - 1)
setup->quad.mask &= (MASK_BOTTOM_LEFT | MASK_TOP_LEFT);
if (setup->quad.y0 == maxy - 1)
setup->quad.mask &= (MASK_BOTTOM_LEFT | MASK_BOTTOM_RIGHT);
setup->quad.mask &= (MASK_TOP_LEFT | MASK_TOP_RIGHT);
}
@@ -184,16 +184,16 @@ static unsigned calculate_mask( struct setup_stage *setup,
unsigned mask = 0;
if (x >= setup->span.left[0] && x < setup->span.right[0])
mask |= MASK_BOTTOM_LEFT;
mask |= MASK_TOP_LEFT;
if (x >= setup->span.left[1] && x < setup->span.right[1])
mask |= MASK_TOP_LEFT;
mask |= MASK_BOTTOM_LEFT;
if (x+1 >= setup->span.left[0] && x+1 < setup->span.right[0])
mask |= MASK_BOTTOM_RIGHT;
mask |= MASK_TOP_RIGHT;
if (x+1 >= setup->span.left[1] && x+1 < setup->span.right[1])
mask |= MASK_TOP_RIGHT;
mask |= MASK_BOTTOM_RIGHT;
return mask;
}