src/gallium/drivers/r600/r600_formats.h

   1 #ifndef R600_FORMATS_H
   2 #define R600_FORMATS_H
   3
   4 #include "util/format/u_format.h"
   5 #include "r600_pipe.h"
   6
   7 /* list of formats from R700 ISA document - apply across GPUs in different registers */
   8 #define     FMT_INVALID                     0x00000000
   9 #define     FMT_8                           0x00000001
  10 #define     FMT_4_4                         0x00000002
  11 #define     FMT_3_3_2                       0x00000003
  12 #define     FMT_16                          0x00000005
  13 #define     FMT_16_FLOAT                    0x00000006
  14 #define     FMT_8_8                         0x00000007
  15 #define     FMT_5_6_5                       0x00000008
  16 #define     FMT_6_5_5                       0x00000009
  17 #define     FMT_1_5_5_5                     0x0000000A
  18 #define     FMT_4_4_4_4                     0x0000000B
  19 #define     FMT_5_5_5_1                     0x0000000C
  20 #define     FMT_32                          0x0000000D
  21 #define     FMT_32_FLOAT                    0x0000000E
  22 #define     FMT_16_16                       0x0000000F
  23 #define     FMT_16_16_FLOAT                 0x00000010
  24 #define     FMT_8_24                        0x00000011
  25 #define     FMT_8_24_FLOAT                  0x00000012
  26 #define     FMT_24_8                        0x00000013
  27 #define     FMT_24_8_FLOAT                  0x00000014
  28 #define     FMT_10_11_11                    0x00000015
  29 #define     FMT_10_11_11_FLOAT              0x00000016
  30 #define     FMT_11_11_10                    0x00000017
  31 #define     FMT_11_11_10_FLOAT              0x00000018
  32 #define     FMT_2_10_10_10                  0x00000019
  33 #define     FMT_8_8_8_8                     0x0000001A
  34 #define     FMT_10_10_10_2                  0x0000001B
  35 #define     FMT_X24_8_32_FLOAT              0x0000001C
  36 #define     FMT_32_32                       0x0000001D
  37 #define     FMT_32_32_FLOAT                 0x0000001E
  38 #define     FMT_16_16_16_16                 0x0000001F
  39 #define     FMT_16_16_16_16_FLOAT           0x00000020
  40 #define     FMT_32_32_32_32                 0x00000022
  41 #define     FMT_32_32_32_32_FLOAT           0x00000023
  42 #define     FMT_1                           0x00000025
  43 #define     FMT_GB_GR                       0x00000027
  44 #define     FMT_BG_RG                       0x00000028
  45 #define     FMT_32_AS_8                     0x00000029
  46 #define     FMT_32_AS_8_8                   0x0000002a
  47 #define     FMT_5_9_9_9_SHAREDEXP           0x0000002b
  48 #define     FMT_8_8_8                       0x0000002c
  49 #define     FMT_16_16_16                    0x0000002d
  50 #define     FMT_16_16_16_FLOAT              0x0000002e
  51 #define     FMT_32_32_32                    0x0000002f
  52 #define     FMT_32_32_32_FLOAT              0x00000030
  53 #define     FMT_BC1                         0x00000031
  54 #define     FMT_BC2                         0x00000032
  55 #define     FMT_BC3                         0x00000033
  56 #define     FMT_BC4                         0x00000034
  57 #define     FMT_BC5                         0x00000035
  58 #define     FMT_BC6                         0x00000036
  59 #define     FMT_BC7                         0x00000037
  60 #define     FMT_32_AS_32_32_32_32           0x00000038
  61
  62 #define     ENDIAN_NONE                     0
  63 #define     ENDIAN_8IN16                    1
  64 #define     ENDIAN_8IN32                    2
  65 #define     ENDIAN_8IN64                    3
  66
  67 static inline unsigned r600_endian_swap(unsigned size)
  68 {
  69         if (R600_BIG_ENDIAN) {
  70                 switch (size) {
  71                 case 64:
  72                         return ENDIAN_8IN64;
  73                 case 32:
  74                         return ENDIAN_8IN32;
  75                 case 16:
  76                         return ENDIAN_8IN16;
  77                 default:
  78                         return ENDIAN_NONE;
  79                 }
  80         } else {
  81                 return ENDIAN_NONE;
  82         }
  83 }
  84
  85 static inline bool r600_is_vertex_format_supported(enum pipe_format format)
  86 {
  87         const struct util_format_description *desc = util_format_description(format);
  88         unsigned i;
  89
  90         if (format == PIPE_FORMAT_R11G11B10_FLOAT)
  91                 return true;
  92
  93         if (!desc)
  94                 return false;
  95
  96         /* Find the first non-VOID channel. */
  97         for (i = 0; i < 4; i++) {
  98                 if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID)
  99                         break;
 100         }
 101         if (i == 4)
 102                 return false;
 103
 104         /* No fixed, no double. */
 105         if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN ||
 106             (desc->channel[i].size == 64 &&
 107              desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) ||
 108             desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED)
 109                 return false;
 110
 111         /* No scaled/norm formats with 32 bits per channel. */
 112         if (desc->channel[i].size == 32 &&
 113             !desc->channel[i].pure_integer &&
 114             (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
 115              desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED))
 116                 return false;
 117
 118         /* No 8 bit 3 channel formats */
 119         if (desc->channel[i].size == 8 && desc->nr_channels == 3)
 120                 return false;
 121
 122         return true;
 123 }
 124
 125 #endif