qemu/pixman/pixman/pixman-arm-simd.c

   1 /*
   2  * Copyright © 2008 Mozilla Corporation
   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 Mozilla Corporation not be used in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific, written prior permission.  Mozilla Corporation 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:  Jeff Muizelaar (jeff@infidigm.net)
  24  *
  25  */
  26 #ifdef HAVE_CONFIG_H
  27 #include <config.h>
  28 #endif
  29
  30 #include "pixman-private.h"
  31 #include "pixman-arm-common.h"
  32 #include "pixman-inlines.h"
  33
  34 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_8888_8888,
  35                                    uint32_t, 1, uint32_t, 1)
  36 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_x888_8888,
  37                                    uint32_t, 1, uint32_t, 1)
  38 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_0565_0565,
  39                                    uint16_t, 1, uint16_t, 1)
  40 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_8_8,
  41                                    uint8_t, 1, uint8_t, 1)
  42 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, src_0565_8888,
  43                                    uint16_t, 1, uint32_t, 1)
  44
  45 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, add_8_8,
  46                                    uint8_t, 1, uint8_t, 1)
  47 PIXMAN_ARM_BIND_FAST_PATH_SRC_DST (armv6, over_8888_8888,
  48                                    uint32_t, 1, uint32_t, 1)
  49
  50 PIXMAN_ARM_BIND_FAST_PATH_SRC_N_DST (SKIP_ZERO_MASK, armv6, over_8888_n_8888,
  51                                      uint32_t, 1, uint32_t, 1)
  52
  53 PIXMAN_ARM_BIND_FAST_PATH_N_MASK_DST (SKIP_ZERO_SRC, armv6, over_n_8_8888,
  54                                       uint8_t, 1, uint32_t, 1)
  55
  56 PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (armv6, 0565_0565, SRC,
  57                                         uint16_t, uint16_t)
  58 PIXMAN_ARM_BIND_SCALED_NEAREST_SRC_DST (armv6, 8888_8888, SRC,
  59                                         uint32_t, uint32_t)
  60
  61 void
  62 pixman_composite_src_n_8888_asm_armv6 (int32_t   w,
  63                                        int32_t   h,
  64                                        uint32_t *dst,
  65                                        int32_t   dst_stride,
  66                                        uint32_t  src);
  67
  68 void
  69 pixman_composite_src_n_0565_asm_armv6 (int32_t   w,
  70                                        int32_t   h,
  71                                        uint16_t *dst,
  72                                        int32_t   dst_stride,
  73                                        uint16_t  src);
  74
  75 void
  76 pixman_composite_src_n_8_asm_armv6 (int32_t   w,
  77                                     int32_t   h,
  78                                     uint8_t  *dst,
  79                                     int32_t   dst_stride,
  80                                     uint8_t  src);
  81
  82 static pixman_bool_t
  83 arm_simd_fill (pixman_implementation_t *imp,
  84                uint32_t *               bits,
  85                int                      stride, /* in 32-bit words */
  86                int                      bpp,
  87                int                      x,
  88                int                      y,
  89                int                      width,
  90                int                      height,
  91                uint32_t                 _xor)
  92 {
  93     /* stride is always multiple of 32bit units in pixman */
  94     uint32_t byte_stride = stride * sizeof(uint32_t);
  95
  96     switch (bpp)
  97     {
  98     case 8:
  99         pixman_composite_src_n_8_asm_armv6 (
 100                 width,
 101                 height,
 102                 (uint8_t *)(((char *) bits) + y * byte_stride + x),
 103                 byte_stride,
 104                 _xor & 0xff);
 105         return TRUE;
 106     case 16:
 107         pixman_composite_src_n_0565_asm_armv6 (
 108                 width,
 109                 height,
 110                 (uint16_t *)(((char *) bits) + y * byte_stride + x * 2),
 111                 byte_stride / 2,
 112                 _xor & 0xffff);
 113         return TRUE;
 114     case 32:
 115         pixman_composite_src_n_8888_asm_armv6 (
 116                 width,
 117                 height,
 118                 (uint32_t *)(((char *) bits) + y * byte_stride + x * 4),
 119                 byte_stride / 4,
 120                 _xor);
 121         return TRUE;
 122     default:
 123         return FALSE;
 124     }
 125 }
 126
 127 static pixman_bool_t
 128 arm_simd_blt (pixman_implementation_t *imp,
 129               uint32_t *               src_bits,
 130               uint32_t *               dst_bits,
 131               int                      src_stride, /* in 32-bit words */
 132               int                      dst_stride, /* in 32-bit words */
 133               int                      src_bpp,
 134               int                      dst_bpp,
 135               int                      src_x,
 136               int                      src_y,
 137               int                      dest_x,
 138               int                      dest_y,
 139               int                      width,
 140               int                      height)
 141 {
 142     if (src_bpp != dst_bpp)
 143         return FALSE;
 144
 145     switch (src_bpp)
 146     {
 147     case 8:
 148         pixman_composite_src_8_8_asm_armv6 (
 149                 width, height,
 150                 (uint8_t *)(((char *) dst_bits) +
 151                 dest_y * dst_stride * 4 + dest_x * 1), dst_stride * 4,
 152                 (uint8_t *)(((char *) src_bits) +
 153                 src_y * src_stride * 4 + src_x * 1), src_stride * 4);
 154         return TRUE;
 155     case 16:
 156         pixman_composite_src_0565_0565_asm_armv6 (
 157                 width, height,
 158                 (uint16_t *)(((char *) dst_bits) +
 159                 dest_y * dst_stride * 4 + dest_x * 2), dst_stride * 2,
 160                 (uint16_t *)(((char *) src_bits) +
 161                 src_y * src_stride * 4 + src_x * 2), src_stride * 2);
 162         return TRUE;
 163     case 32:
 164         pixman_composite_src_8888_8888_asm_armv6 (
 165                 width, height,
 166                 (uint32_t *)(((char *) dst_bits) +
 167                 dest_y * dst_stride * 4 + dest_x * 4), dst_stride,
 168                 (uint32_t *)(((char *) src_bits) +
 169                 src_y * src_stride * 4 + src_x * 4), src_stride);
 170         return TRUE;
 171     default:
 172         return FALSE;
 173     }
 174 }
 175
 176 static const pixman_fast_path_t arm_simd_fast_paths[] =
 177 {
 178     PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, a8r8g8b8, armv6_composite_src_8888_8888),
 179     PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, a8b8g8r8, armv6_composite_src_8888_8888),
 180     PIXMAN_STD_FAST_PATH (SRC, a8r8g8b8, null, x8r8g8b8, armv6_composite_src_8888_8888),
 181     PIXMAN_STD_FAST_PATH (SRC, a8b8g8r8, null, x8b8g8r8, armv6_composite_src_8888_8888),
 182     PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, x8r8g8b8, armv6_composite_src_8888_8888),
 183     PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, x8b8g8r8, armv6_composite_src_8888_8888),
 184
 185     PIXMAN_STD_FAST_PATH (SRC, x8b8g8r8, null, a8b8g8r8, armv6_composite_src_x888_8888),
 186     PIXMAN_STD_FAST_PATH (SRC, x8r8g8b8, null, a8r8g8b8, armv6_composite_src_x888_8888),
 187
 188     PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, r5g6b5, armv6_composite_src_0565_0565),
 189     PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, b5g6r5, armv6_composite_src_0565_0565),
 190     PIXMAN_STD_FAST_PATH (SRC, a1r5g5b5, null, a1r5g5b5, armv6_composite_src_0565_0565),
 191     PIXMAN_STD_FAST_PATH (SRC, a1b5g5r5, null, a1b5g5r5, armv6_composite_src_0565_0565),
 192     PIXMAN_STD_FAST_PATH (SRC, a1r5g5b5, null, x1r5g5b5, armv6_composite_src_0565_0565),
 193     PIXMAN_STD_FAST_PATH (SRC, a1b5g5r5, null, x1b5g5r5, armv6_composite_src_0565_0565),
 194     PIXMAN_STD_FAST_PATH (SRC, x1r5g5b5, null, x1r5g5b5, armv6_composite_src_0565_0565),
 195     PIXMAN_STD_FAST_PATH (SRC, x1b5g5r5, null, x1b5g5r5, armv6_composite_src_0565_0565),
 196     PIXMAN_STD_FAST_PATH (SRC, a4r4g4b4, null, a4r4g4b4, armv6_composite_src_0565_0565),
 197     PIXMAN_STD_FAST_PATH (SRC, a4b4g4r4, null, a4b4g4r4, armv6_composite_src_0565_0565),
 198     PIXMAN_STD_FAST_PATH (SRC, a4r4g4b4, null, x4r4g4b4, armv6_composite_src_0565_0565),
 199     PIXMAN_STD_FAST_PATH (SRC, a4b4g4r4, null, x4b4g4r4, armv6_composite_src_0565_0565),
 200     PIXMAN_STD_FAST_PATH (SRC, x4r4g4b4, null, x4r4g4b4, armv6_composite_src_0565_0565),
 201     PIXMAN_STD_FAST_PATH (SRC, x4b4g4r4, null, x4b4g4r4, armv6_composite_src_0565_0565),
 202
 203     PIXMAN_STD_FAST_PATH (SRC, a8, null, a8, armv6_composite_src_8_8),
 204     PIXMAN_STD_FAST_PATH (SRC, r3g3b2, null, r3g3b2, armv6_composite_src_8_8),
 205     PIXMAN_STD_FAST_PATH (SRC, b2g3r3, null, b2g3r3, armv6_composite_src_8_8),
 206     PIXMAN_STD_FAST_PATH (SRC, a2r2g2b2, null, a2r2g2b2, armv6_composite_src_8_8),
 207     PIXMAN_STD_FAST_PATH (SRC, a2b2g2r2, null, a2b2g2r2, armv6_composite_src_8_8),
 208     PIXMAN_STD_FAST_PATH (SRC, c8, null, c8, armv6_composite_src_8_8),
 209     PIXMAN_STD_FAST_PATH (SRC, g8, null, g8, armv6_composite_src_8_8),
 210     PIXMAN_STD_FAST_PATH (SRC, x4a4, null, x4a4, armv6_composite_src_8_8),
 211     PIXMAN_STD_FAST_PATH (SRC, x4c4, null, x4c4, armv6_composite_src_8_8),
 212     PIXMAN_STD_FAST_PATH (SRC, x4g4, null, x4g4, armv6_composite_src_8_8),
 213
 214     PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, a8r8g8b8, armv6_composite_src_0565_8888),
 215     PIXMAN_STD_FAST_PATH (SRC, r5g6b5, null, x8r8g8b8, armv6_composite_src_0565_8888),
 216     PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, a8b8g8r8, armv6_composite_src_0565_8888),
 217     PIXMAN_STD_FAST_PATH (SRC, b5g6r5, null, x8b8g8r8, armv6_composite_src_0565_8888),
 218
 219     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, a8r8g8b8, armv6_composite_over_8888_8888),
 220     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, null, x8r8g8b8, armv6_composite_over_8888_8888),
 221     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, armv6_composite_over_8888_8888),
 222     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, armv6_composite_over_8888_8888),
 223     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, a8r8g8b8, armv6_composite_over_8888_n_8888),
 224     PIXMAN_STD_FAST_PATH (OVER, a8r8g8b8, solid, x8r8g8b8, armv6_composite_over_8888_n_8888),
 225     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, a8b8g8r8, armv6_composite_over_8888_n_8888),
 226     PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, solid, x8b8g8r8, armv6_composite_over_8888_n_8888),
 227
 228     PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, armv6_composite_add_8_8),
 229
 230     PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8r8g8b8, armv6_composite_over_n_8_8888),
 231     PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8r8g8b8, armv6_composite_over_n_8_8888),
 232     PIXMAN_STD_FAST_PATH (OVER, solid, a8, a8b8g8r8, armv6_composite_over_n_8_8888),
 233     PIXMAN_STD_FAST_PATH (OVER, solid, a8, x8b8g8r8, armv6_composite_over_n_8_8888),
 234
 235     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, r5g6b5, r5g6b5, armv6_0565_0565),
 236     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, b5g6r5, b5g6r5, armv6_0565_0565),
 237
 238     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, a8r8g8b8, armv6_8888_8888),
 239     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8r8g8b8, x8r8g8b8, armv6_8888_8888),
 240     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, x8r8g8b8, x8r8g8b8, armv6_8888_8888),
 241     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, a8b8g8r8, armv6_8888_8888),
 242     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, a8b8g8r8, x8b8g8r8, armv6_8888_8888),
 243     PIXMAN_ARM_SIMPLE_NEAREST_FAST_PATH (SRC, x8b8g8r8, x8b8g8r8, armv6_8888_8888),
 244
 245     { PIXMAN_OP_NONE },
 246 };
 247
 248 pixman_implementation_t *
 249 _pixman_implementation_create_arm_simd (pixman_implementation_t *fallback)
 250 {
 251     pixman_implementation_t *imp = _pixman_implementation_create (fallback, arm_simd_fast_paths);
 252
 253     imp->blt = arm_simd_blt;
 254     imp->fill = arm_simd_fill;
 255
 256     return imp;
 257 }