fbmmx.c

超强的嵌入式GUI系统

    fbComposeGetStart (pDst, xDst, yDst, CARD32, dstStride, dstLine, 1);
    fbComposeGetStart (pSrc, xSrc, ySrc, CARD32, srcStride, srcLine, 1);

    while (height--)
    {
	dst = dstLine;
	dstLine += dstStride;
	src = srcLine;
	srcLine += srcStride;
	w = width;

	while (w--)
	{
	    s = *src++;
	    a = s >> 24;
	    if (a == 0xff)
		*dst = s;
	    else if (a) {
		__m64 ms, sa;
		ms = load8888(s);
		sa = expand_alpha(ms);
		*dst = store8888(over(ms, sa, load8888(*dst)));
	    }
	    dst++;
	}
    }
    _mm_empty();
}

void
fbCompositeSrc_8888x0565mmx (pixman_operator_t      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);

    while (height--)
    {
	dst = dstLine;
	dstLine += dstStride;
	src = srcLine;
	srcLine += srcStride;
	w = width;

	CHECKPOINT();

	while (w && (unsigned long)dst & 7)
	{
	    __m64 vsrc = load8888 (*src);
	    __m64 vdest = expand565 (_mm_cvtsi32_si64(*dst), 0);

	    vdest = pack565(over(vsrc, expand_alpha(vsrc), vdest), vdest, 0);

	    *dst = _mm_cvtsi64_si32(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);
	    __m64 vdest = expand565 (_mm_cvtsi32_si64(*dst), 0);

	    vdest = pack565(over(vsrc, expand_alpha(vsrc), vdest), vdest, 0);

	    *dst = _mm_cvtsi64_si32(vdest);

	    w--;
	    dst++;
	    src++;
	}
    }

    _mm_empty();
}

void
fbCompositeSolidMask_nx8x8888mmx (pixman_operator_t      op,
				  PicturePtr pSrc,
				  PicturePtr pMask,
				  PicturePtr pDst,
				  INT16      xSrc,
				  INT16      ySrc,
				  INT16      xMask,
				  INT16      yMask,
				  INT16      xDst,
				  INT16      yDst,
				  CARD16     width,
				  CARD16     height)
{
    CARD32	src, srca;
    CARD32	*dstLine, *dst;
    CARD8	*maskLine, *mask;
    FbStride	dstStride, maskStride;
    CARD16	w;
    __m64	vsrc, vsrca;
    ullong	srcsrc;

    CHECKPOINT();

    fbComposeGetSolid(pSrc, pDst, src);

    srca = src >> 24;
    if (srca == 0)
	return;

    srcsrc = (ullong)src << 32 | src;

    fbComposeGetStart (pDst, xDst, yDst, CARD32, dstStride, dstLine, 1);
    fbComposeGetStart (pMask, xMask, yMask, CARD8, maskStride, maskLine, 1);

    vsrc = load8888 (src);
    vsrca = expand_alpha (vsrc);

    while (height--)
    {
	dst = dstLine;
	dstLine += dstStride;
	mask = maskLine;
	maskLine += maskStride;
	w = width;

	CHECKPOINT();

	while (w && (unsigned long)dst & 7)
	{
	    ullong m = *mask;

	    if (m)
	    {
		__m64 vdest = in_over(vsrc, vsrca, expand_alpha_rev (M64(m)), load8888(*dst));
		*dst = store8888(vdest);
	    }

	    w--;
	    mask++;
	    dst++;
	}

	CHECKPOINT();

	while (w >= 2)
	{
	    ullong m0, m1;
	    m0 = *mask;
	    m1 = *(mask + 1);

	    if (srca == 0xff && (m0 & m1) == 0xff)
	    {
		*(ullong *)dst = srcsrc;
	    }
	    else if (m0 | m1)
	    {
		__m64 vdest;
		__m64 dest0, dest1;

		vdest = *(__m64 *)dst;

		dest0 = in_over(vsrc, vsrca, expand_alpha_rev (M64(m0)), expand8888(vdest, 0));
		dest1 = in_over(vsrc, vsrca, expand_alpha_rev (M64(m1)), expand8888(vdest, 1));

		*(__m64 *)dst = pack8888(dest0, dest1);
	    }

	    mask += 2;
	    dst += 2;
	    w -= 2;
	}

	CHECKPOINT();

	while (w)
	{
	    ullong m = *mask;

	    if (m)
	    {
		__m64 vdest = load8888(*dst);
		vdest = in_over(vsrc, vsrca, expand_alpha_rev (M64(m)), vdest);
		*dst = store8888(vdest);
	    }

	    w--;
	    mask++;
	    dst++;
	}
    }

    _mm_empty();
}

void
fbCompositeSolidMaskSrc_nx8x8888mmx (pixman_operator_t      op,
				     PicturePtr pSrc,
				     PicturePtr pMask,
				     PicturePtr pDst,
				     INT16      xSrc,
				     INT16      ySrc,
				     INT16      xMask,
				     INT16      yMask,
				     INT16      xDst,
				     INT16      yDst,
				     CARD16     width,
				     CARD16     height)
{
    CARD32	src, srca;
    CARD32	*dstLine, *dst;
    CARD8	*maskLine, *mask;
    FbStride	dstStride, maskStride;
    CARD16	w;
    __m64	vsrc, vsrca;
    ullong	srcsrc;

    CHECKPOINT();

    fbComposeGetSolid(pSrc, pDst, src);

    srca = src >> 24;
    if (srca == 0)
    {
	if (fbSolidFillmmx (pDst->pDrawable, xDst, yDst, width, height, 0))
	    return;
    }

    srcsrc = (ullong)src << 32 | src;

    fbComposeGetStart (pDst, xDst, yDst, CARD32, dstStride, dstLine, 1);
    fbComposeGetStart (pMask, xMask, yMask, CARD8, maskStride, maskLine, 1);

    vsrc = load8888 (src);
    vsrca = expand_alpha (vsrc);

    while (height--)
    {
	dst = dstLine;
	dstLine += dstStride;
	mask = maskLine;
	maskLine += maskStride;
	w = width;

	CHECKPOINT();

	while (w && (unsigned long)dst & 7)
	{
	    ullong m = *mask;

	    if (m)
	    {
		  __m64 vdest = in(vsrc, expand_alpha_rev (M64(m)));
		  *dst = store8888(vdest);
	    }
	    else
	    {
		  *dst = 0;
	    }

	    w--;
	    mask++;
	    dst++;
	}

	CHECKPOINT();

	while (w >= 2)
	{
	    ullong m0, m1;
	    m0 = *mask;
	    m1 = *(mask + 1);

	    if (srca == 0xff && (m0 & m1) == 0xff)
	    {
		*(ullong *)dst = srcsrc;
	    }
	    else if (m0 | m1)
	    {
		__m64 vdest;
		__m64 dest0, dest1;

		vdest = *(__m64 *)dst;

		dest0 = in(vsrc, expand_alpha_rev (M64(m0)));
		dest1 = in(vsrc, expand_alpha_rev (M64(m1)));

		*(__m64 *)dst = pack8888(dest0, dest1);
	    }
	    else
	    {
		*dst = 0;
	    }

	    mask += 2;
	    dst += 2;
	    w -= 2;
	}

	CHECKPOINT();

	while (w)
	{
	    ullong m = *mask;

	    if (m)
	    {
		__m64 vdest = load8888(*dst);
		vdest = in(vsrc, expand_alpha_rev (M64(m)));
		*dst = store8888(vdest);
	    }
	    else
	    {
		*dst = 0;
	    }

	    w--;
	    mask++;
	    dst++;
	}
    }

    _mm_empty();
}

void
fbCompositeSolidMask_nx8x0565mmx (pixman_operator_t      op,
				  PicturePtr pSrc,
				  PicturePtr pMask,
				  PicturePtr pDst,
				  INT16      xSrc,
				  INT16      ySrc,
				  INT16      xMask,
				  INT16      yMask,
				  INT16      xDst,
				  INT16      yDst,
				  CARD16     width,
				  CARD16     height)
{
    CARD32	src, srca;
    CARD16	*dstLine, *dst;
    CARD8	*maskLine, *mask;
    FbStride	dstStride, maskStride;
    CARD16	w;
    __m64	vsrc, vsrca;
    ullong srcsrcsrcsrc, src16;
    __m64 vsrc16;

    CHECKPOINT();

    fbComposeGetSolid(pSrc, pDst, src);

    srca = src >> 24;
    if (srca == 0)
	return;

    fbComposeGetStart (pDst, xDst, yDst, CARD16, dstStride, dstLine, 1);
    fbComposeGetStart (pMask, xMask, yMask, CARD8, maskStride, maskLine, 1);

    vsrc = load8888 (src);
    vsrca = expand_alpha (vsrc);

    vsrc16 = pack565(vsrc, _mm_setzero_si64(), 0);
    src16 = *(ullong*)(void*)(&vsrc16);

    srcsrcsrcsrc = (ullong)src16 << 48 | (ullong)src16 << 32 |
	(ullong)src16 << 16 | (ullong)src16;

    while (height--)
    {
	dst = dstLine;
	dstLine += dstStride;
	mask = maskLine;
	maskLine += maskStride;
	w = width;

	CHECKPOINT();

	while (w && (unsigned long)dst & 7)
	{
	    ullong m = *mask;

	    if (m)
	    {
		__m64 vd = _mm_cvtsi32_si64 (*dst);
		__m64 vdest = in_over(vsrc, vsrca, expand_alpha_rev (M64(m)), expand565(vd, 0));
		*dst = _mm_cvtsi64_si32 (pack565(vdest, _mm_setzero_si64(), 0));
	    }

	    w--;
	    mask++;
	    dst++;
	}

	CHECKPOINT();

	while (w >= 4)
	{
	    ullong m0, m1, m2, m3;
	    m0 = *mask;
	    m1 = *(mask + 1);
	    m2 = *(mask + 2);
	    m3 = *(mask + 3);

	    if (srca == 0xff && (m0 & m1 & m2 & m3) == 0xff)
	    {
		*(ullong *)dst = srcsrcsrcsrc;
	    }
	    else if (m0 | m1 | m2 | m3)
	    {
		__m64 vdest;
		__m64 vm0, vm1, vm2, vm3;

		vdest = *(__m64 *)dst;

		vm0 = M64(m0);
		vdest = pack565(in_over(vsrc, vsrca, expand_alpha_rev(vm0), expand565(vdest, 0)), vdest, 0);
		vm1 = M64(m1);
		vdest = pack565(in_over(vsrc, vsrca, expand_alpha_rev(vm1), expand565(vdest, 1)), vdest, 1);
		vm2 = M64(m2);
		vdest = pack565(in_over(vsrc, vsrca, expand_alpha_rev(vm2), expand565(vdest, 2)), vdest, 2);
		vm3 = M64(m3);
		vdest = pack565(in_over(vsrc, vsrca, expand_alpha_rev(vm3), expand565(vdest, 3)), vdest, 3);

		*(__m64 *)dst = vdest;
	    }

	    w -= 4;
	    mask += 4;
	    dst += 4;
	}

	CHECKPOINT();

	while (w)
	{
	    ullong m = *mask;

	    if (m)
	    {
		__m64 vd = _mm_cvtsi32_si64 (*dst);
		__m64 vdest = in_over(vsrc, vsrca, expand_alpha_rev (M64(m)), expand565(vd, 0));
		*dst = _mm_cvtsi64_si32 (pack565(vdest, _mm_setzero_si64(), 0));
	    }

	    w--;
	    mask++;
	    dst++;
	}
    }

    _mm_empty();
}

void
fbCompositeSrc_8888RevNPx0565mmx (pixman_operator_t      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);
	    __m64 vdest = expand565 (_mm_cvtsi32_si64 (*dst), 0);

	    vdest = pack565(over_rev_non_pre(vsrc, vdest), vdest, 0);

	    *dst = _mm_cvtsi64_si32 (vdest);

	    w--;
	    dst++;
	    src++;
	}

	CHECKPOINT();

	while (w >= 4)
	{
	    CARD32 s0, s1, s2, s3;
	    unsigned char a0, a1, a2, a3;

	    s0 = *src;
	    s1 = *(src + 1);
	    s2 = *(src + 2);
	    s3 = *(src + 3);

	    a0 = (s0 >> 24);
	    a1 = (s1 >> 24);
	    a2 = (s2 >> 24);
	    a3 = (s3 >> 24);

	    if ((a0 & a1 & a2 & a3) == 0xFF)
	    {
		__m64 vdest;
		vdest = pack565(invert_colors(load8888(s0)), _mm_setzero_si64(), 0);
		vdest = pack565(invert_colors(load8888(s1)), vdest, 1);
		vdest = pack565(invert_colors(load8888(s2)), vdest, 2);
		vdest = pack565(invert_colors(load8888(s3)), vdest, 3);

		*(__m64 *)dst = vdest;
	    }
	    else if (a0 | a1 | a2 | a3)
	    {
		__m64 vdest = *(__m64 *)dst;

		vdest = pack565(over_rev_non_pre(load8888(s0), expand565(vdest, 0)), vdest, 0);
	        vdest = pack565(over_rev_non_pre(load8888(s1), expand565(vdest, 1)), vdest, 1);
		vdest = pack565(over_rev_non_pre(load8888(s2), expand565(vdest, 2)), vdest, 2);
		vdest = pack565(over_rev_non_pre(load8888(s3), expand565(vdest, 3)), vdest, 3);

		*(__m64 *)dst = vdest;
	    }

	    w -= 4;
	    dst += 4;
	    src += 4;
	}

	CHECKPOINT();

	while (w)
	{
	    __m64 vsrc = load8888 (*src);
	    __m64 vdest = expand565 (_mm_cvtsi32_si64 (*dst), 0);

	    vdest = pack565(over_rev_non_pre(vsrc, vdest), vdest, 0);

	    *dst = _mm_cvtsi64_si32 (vdest);

	    w--;
	    dst++;
	    src++;
	}
    }

    _mm_empty();
}

/* "8888RevNP" is GdkPixbuf's format: ABGR, non premultiplied */

void
fbCompositeSrc_8888RevNPx8888mmx (pixman_operator_t      op,
				  PicturePtr pSrc,
				  PicturePtr pMask,
				  PicturePtr pDst,
				  INT16      xSrc,
				  INT16      ySrc,
				  INT16      xMask,
				  INT16      yMask,
				  INT16      xDst,
				  INT16      yDst,
				  CARD16     width,
				  CARD16     height)
{
    CARD32	*dstLine, *dst;
    CARD32	*srcLine, *src;
    FbStride	dstStride, srcStride;
    CARD16	w;

    CHECKPOINT();

    fbComposeGetStart (pDst, xDst, yDst, CARD32, 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;

	while (w && (unsigned long)dst & 7)
	{
	    __m64 s = load8888 (*src);
	    __m64 d = load8888 (*dst);

	    *dst = store8888 (over_rev_non_pre (s, d));

	    w--;
	    dst++;
	    src++;
	}

	while (w >= 2)
	{
	    ullong s0, s1;
	    unsigned char a0, a1;
	    __m64 d0, d1;

	    s0 = *src;
	    s1 = *(src + 1);

	    a0 = (s0 >> 24);
	    a1 = (s1 >> 24);

	    if ((a0 & a1) == 0xFF)
	    {
		d0 = invert_colors(load8888(s0));
		d1 = invert_colors(load8888(s1));

		*(__m64 *)dst = pack8888 (d0, d1);
	    }
	    else if (a0 | a1)
	    {
		__m64 vdest = *(__m64 *)dst;

		d0 = over_rev_non_pre (load8888(s0), expand8888 (vdest, 0));
		d1 = over_rev_non_pre (load8888(s1), expand8888 (vdest, 1));

		*(__m64 *)dst = pack8888 (d0, d1);
	    }

	    w -= 2;
	    dst += 2;
	    src += 2;
	}

	while (w)
	{
	    __m64 s = load8888 (*src);
	    __m64 d = load8888 (*dst);

	    *dst = store8888 (over_rev_non_pre (s, d));

	    w--;
	    dst++;
	    src++;
	}
    }

    _mm_empty();
}