1 /* 2 * Copyright 2008 Tungsten Graphics 3 * Jakob Bornecrantz <jakob@tungstengraphics.com> 4 * Copyright 2008 Intel Corporation 5 * Jesse Barnes <jesse.barnes@intel.com> 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 }; 117 118 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 } 128 129 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