Esempio n. 1
0
static void
vmx128_combine_atop_ca (pixman_implementation_t *imp,
                     pixman_op_t              op,
                     uint32_t *               dest,
                     const uint32_t *         src,
                     const uint32_t *         mask,
                     int                      width)
{
    int i;
	__vector4 vdest, vsrc, vmask, vsrca;
	__vector4 tmp1, tmp2, tmp3, tmp4, edges,
	dest_mask, mask_mask, src_mask, store_mask;

    COMPUTE_SHIFT_MASKC (dest, src, mask);

    /* printf ("%s\n",__PRETTY_FUNCTION__); */
    for (i = width / 4; i > 0; i--)
    {
	LOAD_VECTORSC (dest, src, mask);

	vsrca = splat_alpha (vsrc);

	vsrc = pix_multiply (vsrc, vmask);
	vmask = pix_multiply (vmask, vsrca);

	vdest = pix_add_mul (vsrc, splat_alpha (vdest),
			     negate (vmask), vdest);

	STORE_VECTOR (dest);

	src += 4;
	dest += 4;
	mask += 4;
    }

    for (i = width % 4; --i >= 0;)
    {
	uint32_t a = mask[i];
	uint32_t s = src[i];
	uint32_t d = dest[i];
	uint32_t sa = ALPHA_8 (s);
	uint32_t da = ALPHA_8 (d);

	UN8x4_MUL_UN8x4 (s, a);
	UN8x4_MUL_UN8 (a, sa);
	UN8x4_MUL_UN8x4_ADD_UN8x4_MUL_UN8 (d, ~a, s, da);

	dest[i] = d;
    }
}
Esempio n. 2
0
static void
vmx128_combine_atop_reverse_u_mask (uint32_t *      dest,
                                 const uint32_t *src,
                                 const uint32_t *mask,
                                 int             width)
{
    int i;
	__vector4 vdest, vsrc, vmask;
	__vector4 tmp1, tmp2, tmp3, tmp4, edges,
	dest_mask, src_mask, mask_mask, store_mask;

    COMPUTE_SHIFT_MASKC (dest, src, mask);

    /* printf ("%s\n",__PRETTY_FUNCTION__); */
    for (i = width / 4; i > 0; i--)
    {
	LOAD_VECTORSM (dest, src, mask);

	vdest = pix_add_mul (vdest, splat_alpha (vsrc),
			     vsrc, splat_alpha (negate (vdest)));

	STORE_VECTOR (dest);

	src += 4;
	dest += 4;
	mask += 4;
    }

    for (i = width % 4; --i >= 0;)
    {
	uint32_t m = ALPHA_8 (mask[i]);
	uint32_t s = src[i];
	uint32_t d = dest[i];
	uint32_t src_a;
	uint32_t dest_ia = ALPHA_8 (~d);

	UN8x4_MUL_UN8 (s, m);

	src_a = ALPHA_8 (s);

	UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_a);

	dest[i] = s;
    }
}
Esempio n. 3
0
static void
vmx_combine_xor_u_no_mask (uint32_t *      dest,
                           const uint32_t *src,
                           int             width)
{
    int i;
    vector unsigned int vdest, vsrc;
    vector unsigned char tmp1, tmp2, tmp3, tmp4, edges,
	dest_mask, src_mask, store_mask;

    COMPUTE_SHIFT_MASKS (dest, src);

    /* printf ("%s\n",__PRETTY_FUNCTION__); */
    for (i = width / 4; i > 0; i--)
    {
	LOAD_VECTORS (dest, src);

	vdest = pix_add_mul (vsrc, splat_alpha (negate (vdest)),
			     vdest, splat_alpha (negate (vsrc)));

	STORE_VECTOR (dest);

	src += 4;
	dest += 4;
    }

    for (i = width % 4; --i >= 0;)
    {
	uint32_t s = src[i];
	uint32_t d = dest[i];
	uint32_t src_ia = ALPHA_8 (~s);
	uint32_t dest_ia = ALPHA_8 (~d);

	UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_ia);

	dest[i] = s;
    }
}