Home | History | Annotate | Download | only in r600
      1 #ifndef R600_FORMATS_H
      2 #define R600_FORMATS_H
      3 
      4 #include "util/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 (!desc)
     91 		return false;
     92 
     93 	/* Find the first non-VOID channel. */
     94 	for (i = 0; i < 4; i++) {
     95 		if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID)
     96 			break;
     97 	}
     98 	if (i == 4)
     99 		return false;
    100 
    101 	/* No fixed, no double. */
    102 	if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN ||
    103 	    (desc->channel[i].size == 64 &&
    104 	     desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT) ||
    105 	    desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED)
    106 		return false;
    107 
    108 	/* No scaled/norm formats with 32 bits per channel. */
    109 	if (desc->channel[i].size == 32 &&
    110 	    (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED ||
    111 	     desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED))
    112 		return false;
    113 
    114 	return true;
    115 }
    116 
    117 #endif
    118