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fuchsia / third_party / pixman / ec6de472d042bec05aaa53f9d14bfbe23edbe01e / . / pixman / pixman-vmx.c
blob: 06325a7c041ff9141f5c45119f385950d118eeae [file] [log] [blame]
/*
* Copyright © 2007 Luca Barbato
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Luca Barbato not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Luca Barbato makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*
* Author: Luca Barbato (lu_zero@gentoo.org)
*
* Based on fbmmx.c by Owen Taylor, Søren Sandmann and Nicholas Miell
*/
#include <config.h>
#include "pixman-private.h"
#include "pixman-combine32.h"
#include <altivec.h>
#define AVV(x...) {x}
static force_inline vector unsigned int
splat_alpha (vector unsigned int pix)
{
return vec_perm (pix, pix,
(vector unsigned char)AVV (
0x00, 0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04,
0x08, 0x08, 0x08, 0x08, 0x0C, 0x0C, 0x0C, 0x0C));
}
static force_inline vector unsigned int
pix_multiply (vector unsigned int p, vector unsigned int a)
{
vector unsigned short hi, lo, mod;
/* unpack to short */
hi = (vector unsigned short)
vec_mergeh ((vector unsigned char)AVV (0),
(vector unsigned char)p);
mod = (vector unsigned short)
vec_mergeh ((vector unsigned char)AVV (0),
(vector unsigned char)a);
hi = vec_mladd (hi, mod, (vector unsigned short)
AVV (0x0080, 0x0080, 0x0080, 0x0080,
0x0080, 0x0080, 0x0080, 0x0080));
hi = vec_adds (hi, vec_sr (hi, vec_splat_u16 (8)));
hi = vec_sr (hi, vec_splat_u16 (8));
/* unpack to short */
lo = (vector unsigned short)
vec_mergel ((vector unsigned char)AVV (0),
(vector unsigned char)p);
mod = (vector unsigned short)
vec_mergel ((vector unsigned char)AVV (0),
(vector unsigned char)a);
lo = vec_mladd (lo, mod, (vector unsigned short)
AVV (0x0080, 0x0080, 0x0080, 0x0080,
0x0080, 0x0080, 0x0080, 0x0080));
lo = vec_adds (lo, vec_sr (lo, vec_splat_u16 (8)));
lo = vec_sr (lo, vec_splat_u16 (8));
return (vector unsigned int)vec_packsu (hi, lo);
}
static force_inline vector unsigned int
pix_add (vector unsigned int a, vector unsigned int b)
{
return (vector unsigned int)vec_adds ((vector unsigned char)a,
(vector unsigned char)b);
}
static force_inline vector unsigned int
pix_add_mul (vector unsigned int x,
vector unsigned int a,
vector unsigned int y,
vector unsigned int b)
{
vector unsigned int t1, t2;
t1 = pix_multiply (x, a);
t2 = pix_multiply (y, b);
return pix_add (t1, t2);
}
static force_inline vector unsigned int
negate (vector unsigned int src)
{
return vec_nor (src, src);
}
/* dest*~srca + src */
static force_inline vector unsigned int
over (vector unsigned int src,
vector unsigned int srca,
vector unsigned int dest)
{
vector unsigned char tmp = (vector unsigned char)
pix_multiply (dest, negate (srca));
tmp = vec_adds ((vector unsigned char)src, tmp);
return (vector unsigned int)tmp;
}
/* in == pix_multiply */
#define in_over(src, srca, mask, dest) \
over (pix_multiply (src, mask), \
pix_multiply (srca, mask), dest)
#define COMPUTE_SHIFT_MASK(source) \
source ## _mask = vec_lvsl (0, source);
#define COMPUTE_SHIFT_MASKS(dest, source) \
dest ## _mask = vec_lvsl (0, dest); \
source ## _mask = vec_lvsl (0, source); \
store_mask = vec_lvsr (0, dest);
#define COMPUTE_SHIFT_MASKC(dest, source, mask) \
mask ## _mask = vec_lvsl (0, mask); \
dest ## _mask = vec_lvsl (0, dest); \
source ## _mask = vec_lvsl (0, source); \
store_mask = vec_lvsr (0, dest);
/* notice you have to declare temp vars...
* Note: tmp3 and tmp4 must remain untouched!
*/
#define LOAD_VECTORS(dest, source) \
tmp1 = (typeof(tmp1))vec_ld (0, source); \
tmp2 = (typeof(tmp2))vec_ld (15, source); \
tmp3 = (typeof(tmp3))vec_ld (0, dest); \
v ## source = (typeof(v ## source)) \
vec_perm (tmp1, tmp2, source ## _mask); \
tmp4 = (typeof(tmp4))vec_ld (15, dest); \
v ## dest = (typeof(v ## dest)) \
vec_perm (tmp3, tmp4, dest ## _mask);
#define LOAD_VECTORSC(dest, source, mask) \
tmp1 = (typeof(tmp1))vec_ld (0, source); \
tmp2 = (typeof(tmp2))vec_ld (15, source); \
tmp3 = (typeof(tmp3))vec_ld (0, dest); \
v ## source = (typeof(v ## source)) \
vec_perm (tmp1, tmp2, source ## _mask); \
tmp4 = (typeof(tmp4))vec_ld (15, dest); \
tmp1 = (typeof(tmp1))vec_ld (0, mask); \
v ## dest = (typeof(v ## dest)) \
vec_perm (tmp3, tmp4, dest ## _mask); \
tmp2 = (typeof(tmp2))vec_ld (15, mask); \
v ## mask = (typeof(v ## mask)) \
vec_perm (tmp1, tmp2, mask ## _mask);
#define LOAD_VECTORSM(dest, source, mask) \
LOAD_VECTORSC (dest, source, mask) \
v ## source = pix_multiply (v ## source, \
splat_alpha (v ## mask));
#define STORE_VECTOR(dest) \
edges = vec_perm (tmp4, tmp3, dest ## _mask); \
tmp3 = vec_perm ((vector unsigned char)v ## dest, edges, store_mask); \
tmp1 = vec_perm (edges, (vector unsigned char)v ## dest, store_mask); \
vec_st ((vector unsigned int) tmp3, 15, dest); \
vec_st ((vector unsigned int) tmp1, 0, dest);
static void
vmx_combine_over_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 = over (vsrc, splat_alpha (vsrc), vdest);
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 ia = ALPHA_8 (~s);
UN8x4_MUL_UN8_ADD_UN8x4 (d, ia, s);
dest[i] = d;
}
}
static void
vmx_combine_over_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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 = over (vsrc, splat_alpha (vsrc), 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 ia;
UN8x4_MUL_UN8 (s, m);
ia = ALPHA_8 (~s);
UN8x4_MUL_UN8_ADD_UN8x4 (d, ia, s);
dest[i] = d;
}
}
static void
vmx_combine_over_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_over_u_mask (dest, src, mask, width);
else
vmx_combine_over_u_no_mask (dest, src, width);
}
static void
vmx_combine_over_reverse_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 = over (vdest, splat_alpha (vdest), 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 ia = ALPHA_8 (~dest[i]);
UN8x4_MUL_UN8_ADD_UN8x4 (s, ia, d);
dest[i] = s;
}
}
static void
vmx_combine_over_reverse_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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 = over (vdest, splat_alpha (vdest), vsrc);
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 ia = ALPHA_8 (~dest[i]);
UN8x4_MUL_UN8 (s, m);
UN8x4_MUL_UN8_ADD_UN8x4 (s, ia, d);
dest[i] = s;
}
}
static void
vmx_combine_over_reverse_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_over_reverse_u_mask (dest, src, mask, width);
else
vmx_combine_over_reverse_u_no_mask (dest, src, width);
}
static void
vmx_combine_in_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_multiply (vsrc, splat_alpha (vdest));
STORE_VECTOR (dest);
src += 4;
dest += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t s = src[i];
uint32_t a = ALPHA_8 (dest[i]);
UN8x4_MUL_UN8 (s, a);
dest[i] = s;
}
}
static void
vmx_combine_in_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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_multiply (vsrc, splat_alpha (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 a = ALPHA_8 (dest[i]);
UN8x4_MUL_UN8 (s, m);
UN8x4_MUL_UN8 (s, a);
dest[i] = s;
}
}
static void
vmx_combine_in_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_in_u_mask (dest, src, mask, width);
else
vmx_combine_in_u_no_mask (dest, src, width);
}
static void
vmx_combine_in_reverse_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_multiply (vdest, splat_alpha (vsrc));
STORE_VECTOR (dest);
src += 4;
dest += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t d = dest[i];
uint32_t a = ALPHA_8 (src[i]);
UN8x4_MUL_UN8 (d, a);
dest[i] = d;
}
}
static void
vmx_combine_in_reverse_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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_multiply (vdest, splat_alpha (vsrc));
STORE_VECTOR (dest);
src += 4;
dest += 4;
mask += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t m = ALPHA_8 (mask[i]);
uint32_t d = dest[i];
uint32_t a = src[i];
UN8x4_MUL_UN8 (a, m);
a = ALPHA_8 (a);
UN8x4_MUL_UN8 (d, a);
dest[i] = d;
}
}
static void
vmx_combine_in_reverse_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_in_reverse_u_mask (dest, src, mask, width);
else
vmx_combine_in_reverse_u_no_mask (dest, src, width);
}
static void
vmx_combine_out_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_multiply (vsrc, splat_alpha (negate (vdest)));
STORE_VECTOR (dest);
src += 4;
dest += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t s = src[i];
uint32_t a = ALPHA_8 (~dest[i]);
UN8x4_MUL_UN8 (s, a);
dest[i] = s;
}
}
static void
vmx_combine_out_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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_multiply (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 a = ALPHA_8 (~dest[i]);
UN8x4_MUL_UN8 (s, m);
UN8x4_MUL_UN8 (s, a);
dest[i] = s;
}
}
static void
vmx_combine_out_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_out_u_mask (dest, src, mask, width);
else
vmx_combine_out_u_no_mask (dest, src, width);
}
static void
vmx_combine_out_reverse_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_multiply (vdest, splat_alpha (negate (vsrc)));
STORE_VECTOR (dest);
src += 4;
dest += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t d = dest[i];
uint32_t a = ALPHA_8 (~src[i]);
UN8x4_MUL_UN8 (d, a);
dest[i] = d;
}
}
static void
vmx_combine_out_reverse_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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_multiply (vdest, splat_alpha (negate (vsrc)));
STORE_VECTOR (dest);
src += 4;
dest += 4;
mask += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t m = ALPHA_8 (mask[i]);
uint32_t d = dest[i];
uint32_t a = src[i];
UN8x4_MUL_UN8 (a, m);
a = ALPHA_8 (~a);
UN8x4_MUL_UN8 (d, a);
dest[i] = d;
}
}
static void
vmx_combine_out_reverse_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_out_reverse_u_mask (dest, src, mask, width);
else
vmx_combine_out_reverse_u_no_mask (dest, src, width);
}
static void
vmx_combine_atop_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 (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 dest_a = ALPHA_8 (d);
uint32_t src_ia = ALPHA_8 (~s);
UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_a, d, src_ia);
dest[i] = s;
}
}
static void
vmx_combine_atop_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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 (vsrc, splat_alpha (vdest),
vdest, splat_alpha (negate (vsrc)));
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 dest_a = ALPHA_8 (d);
uint32_t src_ia;
UN8x4_MUL_UN8 (s, m);
src_ia = ALPHA_8 (~s);
UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_a, d, src_ia);
dest[i] = s;
}
}
static void
vmx_combine_atop_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_atop_u_mask (dest, src, mask, width);
else
vmx_combine_atop_u_no_mask (dest, src, width);
}
static void
vmx_combine_atop_reverse_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 (vdest, splat_alpha (vsrc),
vsrc, splat_alpha (negate (vdest)));
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_a = ALPHA_8 (s);
uint32_t dest_ia = ALPHA_8 (~d);
UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_a);
dest[i] = s;
}
}
static void
vmx_combine_atop_reverse_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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;
}
}
static void
vmx_combine_atop_reverse_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_atop_reverse_u_mask (dest, src, mask, width);
else
vmx_combine_atop_reverse_u_no_mask (dest, src, width);
}
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;
}
}
static void
vmx_combine_xor_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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 (vsrc, splat_alpha (negate (vdest)),
vdest, splat_alpha (negate (vsrc)));
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_ia;
uint32_t dest_ia = ALPHA_8 (~d);
UN8x4_MUL_UN8 (s, m);
src_ia = ALPHA_8 (~s);
UN8x4_MUL_UN8_ADD_UN8x4_MUL_UN8 (s, dest_ia, d, src_ia);
dest[i] = s;
}
}
static void
vmx_combine_xor_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_xor_u_mask (dest, src, mask, width);
else
vmx_combine_xor_u_no_mask (dest, src, width);
}
static void
vmx_combine_add_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 (vsrc, vdest);
STORE_VECTOR (dest);
src += 4;
dest += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t s = src[i];
uint32_t d = dest[i];
UN8x4_ADD_UN8x4 (d, s);
dest[i] = d;
}
}
static void
vmx_combine_add_u_mask (uint32_t * dest,
const uint32_t *src,
const uint32_t *mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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 (vsrc, 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];
UN8x4_MUL_UN8 (s, m);
UN8x4_ADD_UN8x4 (d, s);
dest[i] = d;
}
}
static void
vmx_combine_add_u (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
if (mask)
vmx_combine_add_u_mask (dest, src, mask, width);
else
vmx_combine_add_u_no_mask (dest, src, width);
}
static void
vmx_combine_src_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = pix_multiply (vsrc, vmask);
STORE_VECTOR (dest);
mask += 4;
src += 4;
dest += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t a = mask[i];
uint32_t s = src[i];
UN8x4_MUL_UN8x4 (s, a);
dest[i] = s;
}
}
static void
vmx_combine_over_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = in_over (vsrc, splat_alpha (vsrc), vmask, vdest);
STORE_VECTOR (dest);
mask += 4;
src += 4;
dest += 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);
UN8x4_MUL_UN8x4 (s, a);
UN8x4_MUL_UN8 (a, sa);
UN8x4_MUL_UN8x4_ADD_UN8x4 (d, ~a, s);
dest[i] = d;
}
}
static void
vmx_combine_over_reverse_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = over (vdest, splat_alpha (vdest), pix_multiply (vsrc, vmask));
STORE_VECTOR (dest);
mask += 4;
src += 4;
dest += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t a = mask[i];
uint32_t s = src[i];
uint32_t d = dest[i];
uint32_t ida = ALPHA_8 (~d);
UN8x4_MUL_UN8x4 (s, a);
UN8x4_MUL_UN8_ADD_UN8x4 (s, ida, d);
dest[i] = s;
}
}
static void
vmx_combine_in_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = pix_multiply (pix_multiply (vsrc, vmask), splat_alpha (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 da = ALPHA_8 (dest[i]);
UN8x4_MUL_UN8x4 (s, a);
UN8x4_MUL_UN8 (s, da);
dest[i] = s;
}
}
static void
vmx_combine_in_reverse_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = pix_multiply (vdest, pix_multiply (vmask, splat_alpha (vsrc)));
STORE_VECTOR (dest);
src += 4;
dest += 4;
mask += 4;
}
for (i = width % 4; --i >= 0;)
{
uint32_t a = mask[i];
uint32_t d = dest[i];
uint32_t sa = ALPHA_8 (src[i]);
UN8x4_MUL_UN8 (a, sa);
UN8x4_MUL_UN8x4 (d, a);
dest[i] = d;
}
}
static void
vmx_combine_out_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = pix_multiply (
pix_multiply (vsrc, vmask), splat_alpha (negate (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 da = ALPHA_8 (~d);
UN8x4_MUL_UN8x4 (s, a);
UN8x4_MUL_UN8 (s, da);
dest[i] = s;
}
}
static void
vmx_combine_out_reverse_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = pix_multiply (
vdest, negate (pix_multiply (vmask, splat_alpha (vsrc))));
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);
UN8x4_MUL_UN8 (a, sa);
UN8x4_MUL_UN8x4 (d, ~a);
dest[i] = d;
}
}
static void
vmx_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;
vector unsigned int vdest, vsrc, vmask, vsrca;
vector unsigned char 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;
}
}
static void
vmx_combine_atop_reverse_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = pix_add_mul (vdest,
pix_multiply (vmask, splat_alpha (vsrc)),
pix_multiply (vsrc, vmask),
negate (splat_alpha (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;
}
}
static void
vmx_combine_xor_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = pix_add_mul (vdest,
negate (pix_multiply (vmask, splat_alpha (vsrc))),
pix_multiply (vsrc, vmask),
negate (splat_alpha (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;
}
}
static void
vmx_combine_add_ca (pixman_implementation_t *imp,
pixman_op_t op,
uint32_t * dest,
const uint32_t * src,
const uint32_t * mask,
int width)
{
int i;
vector unsigned int vdest, vsrc, vmask;
vector unsigned char 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);
vdest = pix_add (pix_multiply (vsrc, 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];
UN8x4_MUL_UN8x4 (s, a);
UN8x4_ADD_UN8x4 (s, d);
dest[i] = s;
}
}
pixman_implementation_t *
_pixman_implementation_create_vmx (void)
{
pixman_implementation_t *fast = _pixman_implementation_create_fast_path ();
pixman_implementation_t *imp = _pixman_implementation_create (fast);
/* Set up function pointers */
imp->combine_32[PIXMAN_OP_OVER] = vmx_combine_over_u;
imp->combine_32[PIXMAN_OP_OVER_REVERSE] = vmx_combine_over_reverse_u;
imp->combine_32[PIXMAN_OP_IN] = vmx_combine_in_u;
imp->combine_32[PIXMAN_OP_IN_REVERSE] = vmx_combine_in_reverse_u;
imp->combine_32[PIXMAN_OP_OUT] = vmx_combine_out_u;
imp->combine_32[PIXMAN_OP_OUT_REVERSE] = vmx_combine_out_reverse_u;
imp->combine_32[PIXMAN_OP_ATOP] = vmx_combine_atop_u;
imp->combine_32[PIXMAN_OP_ATOP_REVERSE] = vmx_combine_atop_reverse_u;
imp->combine_32[PIXMAN_OP_XOR] = vmx_combine_xor_u;
imp->combine_32[PIXMAN_OP_ADD] = vmx_combine_add_u;
imp->combine_32_ca[PIXMAN_OP_SRC] = vmx_combine_src_ca;
imp->combine_32_ca[PIXMAN_OP_OVER] = vmx_combine_over_ca;
imp->combine_32_ca[PIXMAN_OP_OVER_REVERSE] = vmx_combine_over_reverse_ca;
imp->combine_32_ca[PIXMAN_OP_IN] = vmx_combine_in_ca;
imp->combine_32_ca[PIXMAN_OP_IN_REVERSE] = vmx_combine_in_reverse_ca;
imp->combine_32_ca[PIXMAN_OP_OUT] = vmx_combine_out_ca;
imp->combine_32_ca[PIXMAN_OP_OUT_REVERSE] = vmx_combine_out_reverse_ca;
imp->combine_32_ca[PIXMAN_OP_ATOP] = vmx_combine_atop_ca;
imp->combine_32_ca[PIXMAN_OP_ATOP_REVERSE] = vmx_combine_atop_reverse_ca;
imp->combine_32_ca[PIXMAN_OP_XOR] = vmx_combine_xor_ca;
imp->combine_32_ca[PIXMAN_OP_ADD] = vmx_combine_add_ca;
return imp;
}