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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 
r600_endian_swap(unsigned size)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 
r600_is_vertex_format_supported(enum pipe_format format)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 	return true;
119 }
120 
121 #endif
122