pixman/pixman-arm-neon.c

   1 /*
   2  * Copyright © 2009 ARM Ltd, Movial Creative Technologies Oy
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation, and that the name of ARM Ltd not be used in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific, written prior permission.  ARM Ltd makes no
  11  * representations about the suitability of this software for any purpose.  It
  12  * is provided "as is" without express or implied warranty.
  13  *
  14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  15  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  16  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
  17  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  18  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
  19  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  20  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  21  * SOFTWARE.
  22  *
  23  * Author:  Ian Rickards (ian.rickards@arm.com)
  24  * Author:  Jonathan Morton (jonathan.morton@movial.com)
  25  * Author:  Markku Vire (markku.vire@movial.com)
  26  *
  27  */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include <config.h>
  31 #endif
  32
  33 #include <string.h>
  34 #include "pixman-private.h"
  35 #include "pixman-arm-common.h"
  36
  37 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_8888_8888,
  38                                    uint32_t, 1, uint32_t, 1)
  39 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_x888_8888,
  40                                    uint32_t, 1, uint32_t, 1)
  41 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0565_0565,
  42                                    uint16_t, 1, uint16_t, 1)
  43 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_0888,
  44                                    uint8_t, 3, uint8_t, 3)
  45 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_8888_0565,
  46                                    uint32_t, 1, uint16_t, 1)
  47 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0565_8888,
  48                                    uint16_t, 1, uint32_t, 1)
  49 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_8888_rev,
  50                                    uint8_t, 3, uint32_t, 1)
  51 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_0888_0565_rev,
  52                                    uint8_t, 3, uint16_t, 1)
  53 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, src_pixbuf_8888,
  54                                    uint32_t, 1, uint32_t, 1)
  55 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, add_8_8,
  56                                    uint8_t, 1, uint8_t, 1)
  57 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, add_8888_8888,
  58                                    uint32_t, 1, uint32_t, 1)
  59 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, over_8888_0565,
  60                                    uint32_t, 1, uint16_t, 1)
  61 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, over_8888_8888,
  62                                    uint32_t, 1, uint32_t, 1)
  63 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (neon, out_reverse_8_0565,
  64                                    uint8_t, 1, uint16_t, 1)
  65
  66 PIXMAN_ARM_BIND_FAST_PATH_N_DST (neon, over_n_0565,
  67                                  uint16_t, 1)
  68 PIXMAN_ARM_BIND_FAST_PATH_N_DST (neon, over_n_8888,
  69                                  uint32_t, 1)
  70 PIXMAN_ARM_BIND_FAST_PATH_N_DST (neon, over_reverse_n_8888,
  71                                  uint32_t, 1)
  72
  73 PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (neon, over_n_8_0565,
  74                                       uint8_t, 1, uint16_t, 1)
  75 PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (neon, over_n_8_8888,
  76                                       uint8_t, 1, uint32_t, 1)
  77 PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (neon, over_n_8888_8888_ca,
  78                                       uint32_t, 1, uint32_t, 1)
  79 PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (neon, add_n_8_8,
  80                                       uint8_t, 1, uint8_t, 1)
  81
  82 PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (neon, over_8888_n_8888,
  83                                      uint32_t, 1, uint32_t, 1)
  84
  85 PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_8_8_8,
  86                                         uint8_t, 1, uint8_t, 1, uint8_t, 1)
  87 PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_0565_8_0565,
  88                                         uint16_t, 1, uint8_t, 1, uint16_t, 1)
  89 PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, add_8888_8888_8888,
  90                                         uint32_t, 1, uint32_t, 1, uint32_t, 1)
  91 PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8_8888,
  92                                         uint32_t, 1, uint8_t, 1, uint32_t, 1)
  93 PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8888_8888,
  94                                         uint32_t, 1, uint32_t, 1, uint32_t, 1)
  95 PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_8888_8_0565,
  96                                         uint32_t, 1, uint8_t, 1, uint16_t, 1)
  97 PIXMAN_ARM_BIND_FAST_PATH_SRC_MASK_DST (neon, over_0565_8_0565,
  98                                         uint16_t, 1, uint8_t, 1, uint16_t, 1)
  99
 100 PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (neon, 8888_8888, OVER,
 101                                         uint32_t, uint32_t)
 102
 103 void
 104 pixman_composite_src_n_8_asm_neon (int32_t   w,
 105                                    int32_t   h,
 106                                    uint8_t  *dst,
 107                                    int32_t   dst_stride,
 108                                    uint8_t   src);
 109
 110 void
 111 pixman_composite_src_n_0565_asm_neon (int32_t   w,
 112                                       int32_t   h,
 113                                       uint16_t *dst,
 114                                       int32_t   dst_stride,
 115                                       uint16_t  src);
 116
 117 void
 118 pixman_composite_src_n_8888_asm_neon (int32_t   w,
 119                                       int32_t   h,
 120                                       uint32_t *dst,
 121                                       int32_t   dst_stride,
 122                                       uint32_t  src);
 123
 124 static pixman_bool_t
 125 pixman_fill_neon (uint32_t *bits,
 126                   int       stride,
 127                   int       bpp,
 128                   int       x,
 129                   int       y,
 130                   int       width,
 131                   int       height,
 132                   uint32_t  _xor)
 133 {
 134     /* stride is always multiple of 32bit units in pixman */
 135     uint32_t byte_stride = stride * sizeof(uint32_t);
 136
 137     switch (bpp)
 138     {
 139     case 8:
 140         pixman_composite_src_n_8_asm_neon (
 141                 width,
 142                 height,
 143                 (uint8_t *)(((char *) bits) + y * byte_stride + x),
 144                 byte_stride,
 145                 _xor & 0xff);
 146         return TRUE;
 147     case 16:
 148         pixman_composite_src_n_0565_asm_neon (
 149                 width,
 150                 height,
 151                 (uint16_t *)(((char *) bits) + y * byte_stride + x * 2),
 152                 byte_stride / 2,
 153                 _xor & 0xffff);
 154         return TRUE;
 155     case 32:
 156         pixman_composite_src_n_8888_asm_neon (
 157                 width,
 158                 height,
 159                 (uint32_t *)(((char *) bits) + y * byte_stride + x * 4),
 160                 byte_stride / 4,
 161                 _xor);
 162         return TRUE;
 163     default:
 164         return FALSE;
 165     }
 166 }
 167
 168 static pixman_bool_t
 169 pixman_blt_neon (uint32_t *src_bits,
 170                  uint32_t *dst_bits,
 171                  int       src_stride,
 172                  int       dst_stride,
 173                  int       src_bpp,
 174                  int       dst_bpp,
 175                  int       src_x,
 176                  int       src_y,
 177                  int       dst_x,
 178                  int       dst_y,
 179                  int       width,
 180                  int       height)
 181 {
 182     if (src_bpp != dst_bpp)
 183         return FALSE;
 184
 185     switch (src_bpp)
 186     {
 187     case 16:
 188         pixman_composite_src_0565_0565_asm_neon (
 189                 width, height,
 190                 (uint16_t *)(((char *) dst_bits) +
 191                 dst_y * dst_stride * 4 + dst_x * 2), dst_stride * 2,
 192                 (uint16_t *)(((char *) src_bits) +
 193                 src_y * src_stride * 4 + src_x * 2), src_stride * 2);
 194         return TRUE;
 195     case 32:
 196         pixman_composite_src_8888_8888_asm_neon (
 197                 width, height,
 198                 (uint32_t *)(((char *) dst_bits) +
 199                 dst_y * dst_stride * 4 + dst_x * 4), dst_stride,
 200                 (uint32_t *)(((char *) src_bits) +
 201                 src_y * src_stride * 4 + src_x * 4), src_stride);
 202         return TRUE;
 203     default:
 204         return FALSE;
 205     }
 206 }
 207
 208 static const pixman_fast_path_t arm_neon_fast_paths[] =
 209 {
 210     PIXMAN_STD_FAST_PATH (SRC,  r5g6b5,   null,     r5g6b5,   neon_composite_src_0565_0565),
 211     PIXMAN_STD_FAST_PATH (SRC,  b5g6r5,   null,     b5g6r5,   neon_composite_src_0565_0565),
 212     PIXMAN_STD_FAST_PATH (SRC,  a8r8g8b8, null,     r5g6b5,   neon_composite_src_8888_0565),
 213     PIXMAN_STD_FAST_PATH (SRC,  x8r8g8b8, null,     r5g6b5,   neon_composite_src_8888_0565),
 214     PIXMAN_STD_FAST_PATH (SRC,  a8b8g8r8, null,     b5g6r5,   neon_composite_src_8888_0565),
 215     PIXMAN_STD_FAST_PATH (SRC,  x8b8g8r8, null,     b5g6r5,   neon_composite_src_8888_0565),
 216     PIXMAN_STD_FAST_PATH (SRC,  r5g6b5,   null,     a8r8g8b8, neon_composite_src_0565_8888),
 217     PIXMAN_STD_FAST_PATH (SRC,  r5g6b5,   null,     x8r8g8b8, neon_composite_src_0565_8888),
 218     PIXMAN_STD_FAST_PATH (SRC,  b5g6r5,   null,     a8b8g8r8, neon_composite_src_0565_8888),
 219     PIXMAN_STD_FAST_PATH (SRC,  b5g6r5,   null,     x8b8g8r8, neon_composite_src_0565_8888),
 220     PIXMAN_STD_FAST_PATH (SRC,  a8r8g8b8, null,     x8r8g8b8, neon_composite_src_8888_8888),
 221     PIXMAN_STD_FAST_PATH (SRC,  x8r8g8b8, null,     x8r8g8b8, neon_composite_src_8888_8888),
 222     PIXMAN_STD_FAST_PATH (SRC,  a8b8g8r8, null,     x8b8g8r8, neon_composite_src_8888_8888),
 223     PIXMAN_STD_FAST_PATH (SRC,  x8b8g8r8, null,     x8b8g8r8, neon_composite_src_8888_8888),
 224     PIXMAN_STD_FAST_PATH (SRC,  a8r8g8b8, null,     a8r8g8b8, neon_composite_src_8888_8888),
 225     PIXMAN_STD_FAST_PATH (SRC,  a8b8g8r8, null,     a8b8g8r8, neon_composite_src_8888_8888),
 226     PIXMAN_STD_FAST_PATH (SRC,  x8r8g8b8, null,     a8r8g8b8, neon_composite_src_x888_8888),
 227     PIXMAN_STD_FAST_PATH (SRC,  x8b8g8r8, null,     a8b8g8r8, neon_composite_src_x888_8888),
 228     PIXMAN_STD_FAST_PATH (SRC,  r8g8b8,   null,     r8g8b8,   neon_composite_src_0888_0888),
 229     PIXMAN_STD_FAST_PATH (SRC,  b8g8r8,   null,     x8r8g8b8, neon_composite_src_0888_8888_rev),
 230     PIXMAN_STD_FAST_PATH (SRC,  b8g8r8,   null,     r5g6b5,   neon_composite_src_0888_0565_rev),
 231     PIXMAN_STD_FAST_PATH (SRC,  pixbuf,   pixbuf,   a8r8g8b8, neon_composite_src_pixbuf_8888),
 232     PIXMAN_STD_FAST_PATH (OVER, solid,    a8,       r5g6b5,   neon_composite_over_n_8_0565),
 233     PIXMAN_STD_FAST_PATH (OVER, solid,    a8,       b5g6r5,   neon_composite_over_n_8_0565),
 234     PIXMAN_STD_FAST_PATH (OVER, solid,    a8,       a8r8g8b8, neon_composite_over_n_8_8888),
 235     PIXMAN_STD_FAST_PATH (OVER, solid,    a8,       x8r8g8b8, neon_composite_over_n_8_8888),
 236     PIXMAN_STD_FAST_PATH (OVER, solid,    a8,       a8b8g8r8, neon_composite_over_n_8_8888),
 237     PIXMAN_STD_FAST_PATH (OVER, solid,    a8,       x8b8g8r8, neon_composite_over_n_8_8888),
 238     PIXMAN_STD_FAST_PATH (OVER, solid,    null,     r5g6b5,   neon_composite_over_n_0565),
 239     PIXMAN_STD_FAST_PATH (OVER, solid,    null,     a8r8g8b8, neon_composite_over_n_8888),
 240     PIXMAN_STD_FAST_PATH (OVER, solid,    null,     x8r8g8b8, neon_composite_over_n_8888),
 241     PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, a8r8g8b8, neon_composite_over_n_8888_8888_ca),
 242     PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8r8g8b8, x8r8g8b8, neon_composite_over_n_8888_8888_ca),
 243     PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, a8b8g8r8, neon_composite_over_n_8888_8888_ca),
 244     PIXMAN_STD_FAST_PATH_CA (OVER, solid, a8b8g8r8, x8b8g8r8, neon_composite_over_n_8888_8888_ca),
 245     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid,    a8r8g8b8, neon_composite_over_8888_n_8888),
 246     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid,    x8r8g8b8, neon_composite_over_8888_n_8888),
 247     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8,       a8r8g8b8, neon_composite_over_8888_8_8888),
 248     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8,       x8r8g8b8, neon_composite_over_8888_8_8888),
 249     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8,       a8b8g8r8, neon_composite_over_8888_8_8888),
 250     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8,       x8b8g8r8, neon_composite_over_8888_8_8888),
 251     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8,       r5g6b5,   neon_composite_over_8888_8_0565),
 252     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, a8,       b5g6r5,   neon_composite_over_8888_8_0565),
 253     PIXMAN_STD_FAST_PATH (OVER, r5g6b5,   a8,       r5g6b5,   neon_composite_over_0565_8_0565),
 254     PIXMAN_STD_FAST_PATH (OVER, b5g6r5,   a8,       b5g6r5,   neon_composite_over_0565_8_0565),
 255     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, a8r8g8b8, neon_composite_over_8888_8888_8888),
 256     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null,     r5g6b5,   neon_composite_over_8888_0565),
 257     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null,     b5g6r5,   neon_composite_over_8888_0565),
 258     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null,     a8r8g8b8, neon_composite_over_8888_8888),
 259     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null,     x8r8g8b8, neon_composite_over_8888_8888),
 260     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null,     a8b8g8r8, neon_composite_over_8888_8888),
 261     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null,     x8b8g8r8, neon_composite_over_8888_8888),
 262     PIXMAN_STD_FAST_PATH (OVER, x8r8g8b8, null,     a8r8g8b8, neon_composite_src_x888_8888),
 263     PIXMAN_STD_FAST_PATH (OVER, x8b8g8r8, null,     a8b8g8r8, neon_composite_src_x888_8888),
 264     PIXMAN_STD_FAST_PATH (ADD,  solid,    a8,       a8,       neon_composite_add_n_8_8),
 265     PIXMAN_STD_FAST_PATH (ADD,  a8,       a8,       a8,       neon_composite_add_8_8_8),
 266     PIXMAN_STD_FAST_PATH (ADD,  r5g6b5,   a8,       r5g6b5,   neon_composite_add_0565_8_0565),
 267     PIXMAN_STD_FAST_PATH (ADD,  b5g6r5,   a8,       b5g6r5,   neon_composite_add_0565_8_0565),
 268     PIXMAN_STD_FAST_PATH (ADD,  a8r8g8b8, a8r8g8b8, a8r8g8b8, neon_composite_add_8888_8888_8888),
 269     PIXMAN_STD_FAST_PATH (ADD,  a8,       null,     a8,       neon_composite_add_8_8),
 270     PIXMAN_STD_FAST_PATH (ADD,  a8r8g8b8, null,     a8r8g8b8, neon_composite_add_8888_8888),
 271     PIXMAN_STD_FAST_PATH (ADD,  a8b8g8r8, null,     a8b8g8r8, neon_composite_add_8888_8888),
 272     PIXMAN_STD_FAST_PATH (OVER_REVERSE, solid, null, a8r8g8b8, neon_composite_over_reverse_n_8888),
 273     PIXMAN_STD_FAST_PATH (OVER_REVERSE, solid, null, a8b8g8r8, neon_composite_over_reverse_n_8888),
 274     PIXMAN_STD_FAST_PATH (OUT_REVERSE,  a8,    null, r5g6b5,   neon_composite_out_reverse_8_0565),
 275     PIXMAN_STD_FAST_PATH (OUT_REVERSE,  a8,    null, b5g6r5,   neon_composite_out_reverse_8_0565),
 276
 277     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, a8r8g8b8, neon_8888_8888),
 278     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, a8b8g8r8, neon_8888_8888),
 279     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8r8g8b8, x8r8g8b8, neon_8888_8888),
 280     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (OVER, a8b8g8r8, x8b8g8r8, neon_8888_8888),
 281
 282     { PIXMAN_OP_NONE },
 283 };
 284
 285 static pixman_bool_t
 286 arm_neon_blt (pixman_implementation_t *imp,
 287               uint32_t *               src_bits,
 288               uint32_t *               dst_bits,
 289               int                      src_stride,
 290               int                      dst_stride,
 291               int                      src_bpp,
 292               int                      dst_bpp,
 293               int                      src_x,
 294               int                      src_y,
 295               int                      dst_x,
 296               int                      dst_y,
 297               int                      width,
 298               int                      height)
 299 {
 300     if (!pixman_blt_neon (
 301             src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp,
 302             src_x, src_y, dst_x, dst_y, width, height))
 303
 304     {
 305         return _pixman_implementation_blt (
 306             imp->delegate,
 307             src_bits, dst_bits, src_stride, dst_stride, src_bpp, dst_bpp,
 308             src_x, src_y, dst_x, dst_y, width, height);
 309     }
 310
 311     return TRUE;
 312 }
 313
 314 static pixman_bool_t
 315 arm_neon_fill (pixman_implementation_t *imp,
 316                uint32_t *               bits,
 317                int                      stride,
 318                int                      bpp,
 319                int                      x,
 320                int                      y,
 321                int                      width,
 322                int                      height,
 323                uint32_t xor)
 324 {
 325     if (pixman_fill_neon (bits, stride, bpp, x, y, width, height, xor))
 326         return TRUE;
 327
 328     return _pixman_implementation_fill (
 329         imp->delegate, bits, stride, bpp, x, y, width, height, xor);
 330 }
 331
 332 #define BIND_COMBINE_U(name)                                             \
 333 void                                                                     \
 334 pixman_composite_scanline_##name##_mask_asm_neon (int32_t         w,     \
 335                                                   const uint32_t *dst,   \
 336                                                   const uint32_t *src,   \
 337                                                   const uint32_t *mask); \
 338                                                                          \
 339 void                                                                     \
 340 pixman_composite_scanline_##name##_asm_neon (int32_t         w,          \
 341                                              const uint32_t *dst,        \
 342                                              const uint32_t *src);       \
 343                                                                          \
 344 static void                                                              \
 345 neon_combine_##name##_u (pixman_implementation_t *imp,                   \
 346                          pixman_op_t              op,                    \
 347                          uint32_t *               dest,                  \
 348                          const uint32_t *         src,                   \
 349                          const uint32_t *         mask,                  \
 350                          int                      width)                 \
 351 {                                                                        \
 352     if (mask)                                                            \
 353         pixman_composite_scanline_##name##_mask_asm_neon (width, dest,   \
 354                                                           src, mask);    \
 355     else                                                                 \
 356         pixman_composite_scanline_##name##_asm_neon (width, dest, src);  \
 357 }
 358
 359 BIND_COMBINE_U (over)
 360 BIND_COMBINE_U (add)
 361 BIND_COMBINE_U (out_reverse)
 362
 363 pixman_implementation_t *
 364 _pixman_implementation_create_arm_neon (void)
 365 {
 366 #ifdef USE_ARM_SIMD
 367     pixman_implementation_t *fallback = _pixman_implementation_create_arm_simd ();
 368 #else
 369     pixman_implementation_t *fallback = _pixman_implementation_create_fast_path ();
 370 #endif
 371     pixman_implementation_t *imp =
 372         _pixman_implementation_create (fallback, arm_neon_fast_paths);
 373
 374     imp->combine_32[PIXMAN_OP_OVER] = neon_combine_over_u;
 375     imp->combine_32[PIXMAN_OP_ADD] = neon_combine_add_u;
 376     imp->combine_32[PIXMAN_OP_OUT_REVERSE] = neon_combine_out_reverse_u;
 377
 378     imp->blt = arm_neon_blt;
 379     imp->fill = arm_neon_fill;
 380
 381     return imp;
 382 }