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Add new fbCompositeSrc_8888x0565mmx() function, based on patch by Dan

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Williams. Bug 9682.
This commit is contained in:
Soren Sandmann Pedersen 2007-02-06 17:11:01 -05:00
parent b2cd3b1337
commit 5a33344103
2 changed files with 110 additions and 0 deletions
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98
fb/fbmmx.c
View File

@ -1338,6 +1338,104 @@ fbCompositeSrc_8888x8888mmx (CARD8 op,
_mm_empty();
}
void
fbCompositeSrc_8888x0565mmx (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height)
{
CARD16 *dstLine, *dst;
CARD32 *srcLine, *src;
FbStride dstStride, srcStride;
CARD16 w;
CHECKPOINT();
fbComposeGetStart (pDst, xDst, yDst, CARD16, dstStride, dstLine, 1);
fbComposeGetStart (pSrc, xSrc, ySrc, CARD32, srcStride, srcLine, 1);
assert (pSrc->pDrawable == pMask->pDrawable);
while (height--)
{
dst = dstLine;
dstLine += dstStride;
src = srcLine;
srcLine += srcStride;
w = width;
CHECKPOINT();
while (w && (unsigned long)dst & 7)
{
__m64 vsrc = load8888 (*src);
ullong d = *dst;
__m64 vdest = expand565 ((__m64)d, 0);
vdest = pack565(over(vsrc, expand_alpha(vsrc), vdest), vdest, 0);
*dst = (ullong)vdest;
w--;
dst++;
src++;
}
CHECKPOINT();
while (w >= 4)
{
__m64 vsrc0, vsrc1, vsrc2, vsrc3;
__m64 vdest;
vsrc0 = load8888(*(src + 0));
vsrc1 = load8888(*(src + 1));
vsrc2 = load8888(*(src + 2));
vsrc3 = load8888(*(src + 3));
vdest = *(__m64 *)dst;
vdest = pack565(over(vsrc0, expand_alpha(vsrc0), expand565(vdest, 0)), vdest, 0);
vdest = pack565(over(vsrc1, expand_alpha(vsrc1), expand565(vdest, 1)), vdest, 1);
vdest = pack565(over(vsrc2, expand_alpha(vsrc2), expand565(vdest, 2)), vdest, 2);
vdest = pack565(over(vsrc3, expand_alpha(vsrc3), expand565(vdest, 3)), vdest, 3);
*(__m64 *)dst = vdest;
w -= 4;
dst += 4;
src += 4;
}
CHECKPOINT();
while (w)
{
__m64 vsrc = load8888 (*src);
ullong d = *dst;
__m64 vdest = expand565 ((__m64)d, 0);
vdest = pack565(over(vsrc, expand_alpha(vsrc), vdest), vdest, 0);
*dst = (ullong)vdest;
w--;
dst++;
src++;
}
}
_mm_empty();
}
void
fbCompositeSolidMask_nx8x8888mmx (CARD8 op,
PicturePtr pSrc,

12
fb/fbmmx.h
View File

@ -130,6 +130,18 @@ void fbCompositeSrc_8888RevNPx8888mmx (CARD8 op,
INT16 yDst,
CARD16 width,
CARD16 height);
void fbCompositeSrc_8888x0565mmx (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height);
void fbCompositeSrc_8888RevNPx0565mmx (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,