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EXA: Use PRIM3D_RECTLIST instead of TRIFAN so we don't get diagonal tearing. 

A side effect is the reduction in vertex dispatch, which is nice.
This commit is contained in:
Eric Anholt 2007-01-04 12:34:47 -08:00
parent 6874a6f25a
commit 45696aa291
1 changed files with 3 additions and 12 deletions
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15
src/i830_exa.c
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@ -345,9 +345,9 @@ IntelEXAComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
int vertex_count;
if (pMask)
vertex_count = 4*6;
vertex_count = 3*6;
else
vertex_count = 4*4;
vertex_count = 3*4;
BEGIN_LP_RING(6+vertex_count);
@ -357,7 +357,7 @@ IntelEXAComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
OUT_RING(MI_NOOP);
OUT_RING(MI_NOOP);
OUT_RING(PRIM3D_INLINE | PRIM3D_TRIFAN | (vertex_count-1));
OUT_RING(PRIM3D_INLINE | PRIM3D_RECTLIST | (vertex_count-1));
OUT_RING_F(dstX);
OUT_RING_F(dstY);
@ -385,15 +385,6 @@ IntelEXAComposite(PixmapPtr pDst, int srcX, int srcY, int maskX, int maskY,
OUT_RING_F(maskXend / pI830->scale_units[1][0]);
OUT_RING_F(maskYend / pI830->scale_units[1][1]);
}
OUT_RING_F(dstX + w);
OUT_RING_F(dstY);
OUT_RING_F(srcXend / pI830->scale_units[0][0]);
OUT_RING_F(srcY / pI830->scale_units[0][1]);
if (pMask) {
OUT_RING_F(maskXend / pI830->scale_units[1][0]);
OUT_RING_F(maskY / pI830->scale_units[1][1]);
}
ADVANCE_LP_RING();
}
}