1 /*
2 * Copyright 2008 Tungsten Graphics
3 * Jakob Bornecrantz <[email protected]>
4 * Copyright 2008 Intel Corporation
5 * Jesse Barnes <[email protected]>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23 * IN THE SOFTWARE.
24 */
25
26 #include <stdint.h>
27 #include <stdlib.h>
28 #include <string.h>
29
30 #include <drm_fourcc.h>
31
32 #include "common.h"
33 #include "format.h"
34
35 #define MAKE_RGB_INFO(rl, ro, gl, go, bl, bo, al, ao) \
36 .rgb = { { (rl), (ro) }, { (gl), (go) }, { (bl), (bo) }, { (al), (ao) } }
37
38 #define MAKE_YUV_INFO(order, xsub, ysub, chroma_stride) \
39 .yuv = { (order), (xsub), (ysub), (chroma_stride) }
40
41 static const struct util_format_info format_info[] = {
42 /* Indexed */
43 { DRM_FORMAT_C1, "C1", .ncolors = 2 },
44 { DRM_FORMAT_C2, "C2", .ncolors = 4 },
45 { DRM_FORMAT_C4, "C4", .ncolors = 16 },
46 { DRM_FORMAT_C8, "C8", .ncolors = 256 },
47 /* YUV packed */
48 { DRM_FORMAT_UYVY, "UYVY", MAKE_YUV_INFO(YUV_YCbCr | YUV_CY, 2, 2, 2) },
49 { DRM_FORMAT_VYUY, "VYUY", MAKE_YUV_INFO(YUV_YCrCb | YUV_CY, 2, 2, 2) },
50 { DRM_FORMAT_YUYV, "YUYV", MAKE_YUV_INFO(YUV_YCbCr | YUV_YC, 2, 2, 2) },
51 { DRM_FORMAT_YVYU, "YVYU", MAKE_YUV_INFO(YUV_YCrCb | YUV_YC, 2, 2, 2) },
52 /* YUV semi-planar */
53 { DRM_FORMAT_NV12, "NV12", MAKE_YUV_INFO(YUV_YCbCr, 2, 2, 2) },
54 { DRM_FORMAT_NV21, "NV21", MAKE_YUV_INFO(YUV_YCrCb, 2, 2, 2) },
55 { DRM_FORMAT_NV16, "NV16", MAKE_YUV_INFO(YUV_YCbCr, 2, 1, 2) },
56 { DRM_FORMAT_NV61, "NV61", MAKE_YUV_INFO(YUV_YCrCb, 2, 1, 2) },
57 { DRM_FORMAT_NV24, "NV24", MAKE_YUV_INFO(YUV_YCbCr, 1, 1, 2) },
58 { DRM_FORMAT_NV42, "NV42", MAKE_YUV_INFO(YUV_YCrCb, 1, 1, 2) },
59 { DRM_FORMAT_NV15, "NV15", MAKE_YUV_INFO(YUV_YCbCr, 2, 2, 2) },
60 { DRM_FORMAT_NV20, "NV20", MAKE_YUV_INFO(YUV_YCbCr, 2, 1, 2) },
61 { DRM_FORMAT_NV30, "NV30", MAKE_YUV_INFO(YUV_YCbCr, 1, 1, 2) },
62 /* YUV planar */
63 { DRM_FORMAT_YUV420, "YU12", MAKE_YUV_INFO(YUV_YCbCr, 2, 2, 1) },
64 { DRM_FORMAT_YVU420, "YV12", MAKE_YUV_INFO(YUV_YCrCb, 2, 2, 1) },
65 { DRM_FORMAT_YUV422, "YU16", MAKE_YUV_INFO(YUV_YCbCr, 2, 1, 1) },
66 { DRM_FORMAT_YVU422, "YV16", MAKE_YUV_INFO(YUV_YCrCb, 2, 1, 1) },
67 { DRM_FORMAT_YUV444, "YU24", MAKE_YUV_INFO(YUV_YCbCr, 1, 1, 1) },
68 { DRM_FORMAT_YVU444, "YV24", MAKE_YUV_INFO(YUV_YCrCb, 1, 1, 1) },
69 /* RGB16 */
70 { DRM_FORMAT_ARGB4444, "AR12", MAKE_RGB_INFO(4, 8, 4, 4, 4, 0, 4, 12) },
71 { DRM_FORMAT_XRGB4444, "XR12", MAKE_RGB_INFO(4, 8, 4, 4, 4, 0, 0, 0) },
72 { DRM_FORMAT_ABGR4444, "AB12", MAKE_RGB_INFO(4, 0, 4, 4, 4, 8, 4, 12) },
73 { DRM_FORMAT_XBGR4444, "XB12", MAKE_RGB_INFO(4, 0, 4, 4, 4, 8, 0, 0) },
74 { DRM_FORMAT_RGBA4444, "RA12", MAKE_RGB_INFO(4, 12, 4, 8, 4, 4, 4, 0) },
75 { DRM_FORMAT_RGBX4444, "RX12", MAKE_RGB_INFO(4, 12, 4, 8, 4, 4, 0, 0) },
76 { DRM_FORMAT_BGRA4444, "BA12", MAKE_RGB_INFO(4, 4, 4, 8, 4, 12, 4, 0) },
77 { DRM_FORMAT_BGRX4444, "BX12", MAKE_RGB_INFO(4, 4, 4, 8, 4, 12, 0, 0) },
78 { DRM_FORMAT_ARGB1555, "AR15", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 1, 15) },
79 { DRM_FORMAT_XRGB1555, "XR15", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 0, 0) },
80 { DRM_FORMAT_ABGR1555, "AB15", MAKE_RGB_INFO(5, 0, 5, 5, 5, 10, 1, 15) },
81 { DRM_FORMAT_XBGR1555, "XB15", MAKE_RGB_INFO(5, 0, 5, 5, 5, 10, 0, 0) },
82 { DRM_FORMAT_RGBA5551, "RA15", MAKE_RGB_INFO(5, 11, 5, 6, 5, 1, 1, 0) },
83 { DRM_FORMAT_RGBX5551, "RX15", MAKE_RGB_INFO(5, 11, 5, 6, 5, 1, 0, 0) },
84 { DRM_FORMAT_BGRA5551, "BA15", MAKE_RGB_INFO(5, 1, 5, 6, 5, 11, 1, 0) },
85 { DRM_FORMAT_BGRX5551, "BX15", MAKE_RGB_INFO(5, 1, 5, 6, 5, 11, 0, 0) },
86 { DRM_FORMAT_RGB565, "RG16", MAKE_RGB_INFO(5, 11, 6, 5, 5, 0, 0, 0) },
87 { DRM_FORMAT_BGR565, "BG16", MAKE_RGB_INFO(5, 0, 6, 5, 5, 11, 0, 0) },
88 /* Big-endian RGB16 */
89 { DRM_FORMAT_XRGB1555 | DRM_FORMAT_BIG_ENDIAN, "XR15_BE", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 0, 0) },
90 { DRM_FORMAT_RGB565 | DRM_FORMAT_BIG_ENDIAN, "RG16_BE", MAKE_RGB_INFO(5, 11, 6, 5, 5, 0, 0, 0) },
91 /* RGB24 */
92 { DRM_FORMAT_BGR888, "BG24", MAKE_RGB_INFO(8, 0, 8, 8, 8, 16, 0, 0) },
93 { DRM_FORMAT_RGB888, "RG24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },
94 /* RGB32 */
95 { DRM_FORMAT_ARGB8888, "AR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 8, 24) },
96 { DRM_FORMAT_XRGB8888, "XR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },
97 { DRM_FORMAT_ABGR8888, "AB24", MAKE_RGB_INFO(8, 0, 8, 8, 8, 16, 8, 24) },
98 { DRM_FORMAT_XBGR8888, "XB24", MAKE_RGB_INFO(8, 0, 8, 8, 8, 16, 0, 0) },
99 { DRM_FORMAT_RGBA8888, "RA24", MAKE_RGB_INFO(8, 24, 8, 16, 8, 8, 8, 0) },
100 { DRM_FORMAT_RGBX8888, "RX24", MAKE_RGB_INFO(8, 24, 8, 16, 8, 8, 0, 0) },
101 { DRM_FORMAT_BGRA8888, "BA24", MAKE_RGB_INFO(8, 8, 8, 16, 8, 24, 8, 0) },
102 { DRM_FORMAT_BGRX8888, "BX24", MAKE_RGB_INFO(8, 8, 8, 16, 8, 24, 0, 0) },
103 { DRM_FORMAT_ARGB2101010, "AR30", MAKE_RGB_INFO(10, 20, 10, 10, 10, 0, 2, 30) },
104 { DRM_FORMAT_XRGB2101010, "XR30", MAKE_RGB_INFO(10, 20, 10, 10, 10, 0, 0, 0) },
105 { DRM_FORMAT_ABGR2101010, "AB30", MAKE_RGB_INFO(10, 0, 10, 10, 10, 20, 2, 30) },
106 { DRM_FORMAT_XBGR2101010, "XB30", MAKE_RGB_INFO(10, 0, 10, 10, 10, 20, 0, 0) },
107 { DRM_FORMAT_RGBA1010102, "RA30", MAKE_RGB_INFO(10, 22, 10, 12, 10, 2, 2, 0) },
108 { DRM_FORMAT_RGBX1010102, "RX30", MAKE_RGB_INFO(10, 22, 10, 12, 10, 2, 0, 0) },
109 { DRM_FORMAT_BGRA1010102, "BA30", MAKE_RGB_INFO(10, 2, 10, 12, 10, 22, 2, 0) },
110 { DRM_FORMAT_BGRX1010102, "BX30", MAKE_RGB_INFO(10, 2, 10, 12, 10, 22, 0, 0) },
111 { DRM_FORMAT_XRGB16161616F, "XR4H", MAKE_RGB_INFO(16, 32, 16, 16, 16, 0, 0, 0) },
112 { DRM_FORMAT_XBGR16161616F, "XB4H", MAKE_RGB_INFO(16, 0, 16, 16, 16, 32, 0, 0) },
113 { DRM_FORMAT_ARGB16161616F, "AR4H", MAKE_RGB_INFO(16, 32, 16, 16, 16, 0, 16, 48) },
114 { DRM_FORMAT_ABGR16161616F, "AB4H", MAKE_RGB_INFO(16, 0, 16, 16, 16, 32, 16, 48) },
115
116 };
117
util_format_fourcc(const char * name)118 uint32_t util_format_fourcc(const char *name)
119 {
120 unsigned int i;
121
122 for (i = 0; i < ARRAY_SIZE(format_info); i++)
123 if (!strcmp(format_info[i].name, name))
124 return format_info[i].format;
125
126 return 0;
127 }
128
util_format_info_find(uint32_t format)129 const struct util_format_info *util_format_info_find(uint32_t format)
130 {
131 unsigned int i;
132
133 for (i = 0; i < ARRAY_SIZE(format_info); i++)
134 if (format_info[i].format == format)
135 return &format_info[i];
136
137 return NULL;
138 }
139