1 /* 2 * Copyright © 2011 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: 25 * Benjamin Franzke <benjaminfranzke@googlemail.com> 26 */ 27 28 #ifndef _GBM_H_ 29 #define _GBM_H_ 30 31 #define __GBM__ 1 32 33 #include <stddef.h> 34 #include <stdint.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 41 /** 42 * \file gbm.h 43 * \brief Generic Buffer Manager 44 */ 45 46 struct gbm_device; 47 struct gbm_bo; 48 struct gbm_surface; 49 50 /** 51 * \mainpage The Generic Buffer Manager 52 * 53 * This module provides an abstraction that the caller can use to request a 54 * buffer from the underlying memory management system for the platform. 55 * 56 * This allows the creation of portable code whilst still allowing access to 57 * the underlying memory manager. 58 */ 59 60 /** 61 * Abstraction representing the handle to a buffer allocated by the 62 * manager 63 */ 64 union gbm_bo_handle { 65 void *ptr; 66 int32_t s32; 67 uint32_t u32; 68 int64_t s64; 69 uint64_t u64; 70 }; 71 72 /** Format of the allocated buffer */ 73 enum gbm_bo_format { 74 /** RGB with 8 bits per channel in a 32 bit value */ 75 GBM_BO_FORMAT_XRGB8888, 76 /** ARGB with 8 bits per channel in a 32 bit value */ 77 GBM_BO_FORMAT_ARGB8888 78 }; 79 80 81 /** 82 * The FourCC format codes are taken from the drm_fourcc.h definition, and 83 * re-namespaced. New GBM formats must not be added, unless they are 84 * identical ports from drm_fourcc. 85 */ 86 #define __gbm_fourcc_code(a,b,c,d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \ 87 ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24)) 88 89 #define GBM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */ 90 91 /* color index */ 92 #define GBM_FORMAT_C8 __gbm_fourcc_code('C', '8', ' ', ' ') /* [7:0] C */ 93 94 /* 8 bpp Red */ 95 #define GBM_FORMAT_R8 __gbm_fourcc_code('R', '8', ' ', ' ') /* [7:0] R */ 96 97 /* 16 bpp RG */ 98 #define GBM_FORMAT_GR88 __gbm_fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */ 99 100 /* 8 bpp RGB */ 101 #define GBM_FORMAT_RGB332 __gbm_fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */ 102 #define GBM_FORMAT_BGR233 __gbm_fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */ 103 104 /* 16 bpp RGB */ 105 #define GBM_FORMAT_XRGB4444 __gbm_fourcc_code('X', 'R', '1', '2') /* [15:0] x:R:G:B 4:4:4:4 little endian */ 106 #define GBM_FORMAT_XBGR4444 __gbm_fourcc_code('X', 'B', '1', '2') /* [15:0] x:B:G:R 4:4:4:4 little endian */ 107 #define GBM_FORMAT_RGBX4444 __gbm_fourcc_code('R', 'X', '1', '2') /* [15:0] R:G:B:x 4:4:4:4 little endian */ 108 #define GBM_FORMAT_BGRX4444 __gbm_fourcc_code('B', 'X', '1', '2') /* [15:0] B:G:R:x 4:4:4:4 little endian */ 109 110 #define GBM_FORMAT_ARGB4444 __gbm_fourcc_code('A', 'R', '1', '2') /* [15:0] A:R:G:B 4:4:4:4 little endian */ 111 #define GBM_FORMAT_ABGR4444 __gbm_fourcc_code('A', 'B', '1', '2') /* [15:0] A:B:G:R 4:4:4:4 little endian */ 112 #define GBM_FORMAT_RGBA4444 __gbm_fourcc_code('R', 'A', '1', '2') /* [15:0] R:G:B:A 4:4:4:4 little endian */ 113 #define GBM_FORMAT_BGRA4444 __gbm_fourcc_code('B', 'A', '1', '2') /* [15:0] B:G:R:A 4:4:4:4 little endian */ 114 115 #define GBM_FORMAT_XRGB1555 __gbm_fourcc_code('X', 'R', '1', '5') /* [15:0] x:R:G:B 1:5:5:5 little endian */ 116 #define GBM_FORMAT_XBGR1555 __gbm_fourcc_code('X', 'B', '1', '5') /* [15:0] x:B:G:R 1:5:5:5 little endian */ 117 #define GBM_FORMAT_RGBX5551 __gbm_fourcc_code('R', 'X', '1', '5') /* [15:0] R:G:B:x 5:5:5:1 little endian */ 118 #define GBM_FORMAT_BGRX5551 __gbm_fourcc_code('B', 'X', '1', '5') /* [15:0] B:G:R:x 5:5:5:1 little endian */ 119 120 #define GBM_FORMAT_ARGB1555 __gbm_fourcc_code('A', 'R', '1', '5') /* [15:0] A:R:G:B 1:5:5:5 little endian */ 121 #define GBM_FORMAT_ABGR1555 __gbm_fourcc_code('A', 'B', '1', '5') /* [15:0] A:B:G:R 1:5:5:5 little endian */ 122 #define GBM_FORMAT_RGBA5551 __gbm_fourcc_code('R', 'A', '1', '5') /* [15:0] R:G:B:A 5:5:5:1 little endian */ 123 #define GBM_FORMAT_BGRA5551 __gbm_fourcc_code('B', 'A', '1', '5') /* [15:0] B:G:R:A 5:5:5:1 little endian */ 124 125 #define GBM_FORMAT_RGB565 __gbm_fourcc_code('R', 'G', '1', '6') /* [15:0] R:G:B 5:6:5 little endian */ 126 #define GBM_FORMAT_BGR565 __gbm_fourcc_code('B', 'G', '1', '6') /* [15:0] B:G:R 5:6:5 little endian */ 127 128 /* 24 bpp RGB */ 129 #define GBM_FORMAT_RGB888 __gbm_fourcc_code('R', 'G', '2', '4') /* [23:0] R:G:B little endian */ 130 #define GBM_FORMAT_BGR888 __gbm_fourcc_code('B', 'G', '2', '4') /* [23:0] B:G:R little endian */ 131 132 /* 32 bpp RGB */ 133 #define GBM_FORMAT_XRGB8888 __gbm_fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */ 134 #define GBM_FORMAT_XBGR8888 __gbm_fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */ 135 #define GBM_FORMAT_RGBX8888 __gbm_fourcc_code('R', 'X', '2', '4') /* [31:0] R:G:B:x 8:8:8:8 little endian */ 136 #define GBM_FORMAT_BGRX8888 __gbm_fourcc_code('B', 'X', '2', '4') /* [31:0] B:G:R:x 8:8:8:8 little endian */ 137 138 #define GBM_FORMAT_ARGB8888 __gbm_fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */ 139 #define GBM_FORMAT_ABGR8888 __gbm_fourcc_code('A', 'B', '2', '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */ 140 #define GBM_FORMAT_RGBA8888 __gbm_fourcc_code('R', 'A', '2', '4') /* [31:0] R:G:B:A 8:8:8:8 little endian */ 141 #define GBM_FORMAT_BGRA8888 __gbm_fourcc_code('B', 'A', '2', '4') /* [31:0] B:G:R:A 8:8:8:8 little endian */ 142 143 #define GBM_FORMAT_XRGB2101010 __gbm_fourcc_code('X', 'R', '3', '0') /* [31:0] x:R:G:B 2:10:10:10 little endian */ 144 #define GBM_FORMAT_XBGR2101010 __gbm_fourcc_code('X', 'B', '3', '0') /* [31:0] x:B:G:R 2:10:10:10 little endian */ 145 #define GBM_FORMAT_RGBX1010102 __gbm_fourcc_code('R', 'X', '3', '0') /* [31:0] R:G:B:x 10:10:10:2 little endian */ 146 #define GBM_FORMAT_BGRX1010102 __gbm_fourcc_code('B', 'X', '3', '0') /* [31:0] B:G:R:x 10:10:10:2 little endian */ 147 148 #define GBM_FORMAT_ARGB2101010 __gbm_fourcc_code('A', 'R', '3', '0') /* [31:0] A:R:G:B 2:10:10:10 little endian */ 149 #define GBM_FORMAT_ABGR2101010 __gbm_fourcc_code('A', 'B', '3', '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */ 150 #define GBM_FORMAT_RGBA1010102 __gbm_fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */ 151 #define GBM_FORMAT_BGRA1010102 __gbm_fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */ 152 153 /* 154 * Floating point 64bpp RGB 155 * IEEE 754-2008 binary16 half-precision float 156 * [15:0] sign:exponent:mantissa 1:5:10 157 */ 158 #define GBM_FORMAT_XBGR16161616F __gbm_fourcc_code('X', 'B', '4', 'H') /* [63:0] x:B:G:R 16:16:16:16 little endian */ 159 160 #define GBM_FORMAT_ABGR16161616F __gbm_fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */ 161 162 /* packed YCbCr */ 163 #define GBM_FORMAT_YUYV __gbm_fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */ 164 #define GBM_FORMAT_YVYU __gbm_fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */ 165 #define GBM_FORMAT_UYVY __gbm_fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */ 166 #define GBM_FORMAT_VYUY __gbm_fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */ 167 168 #define GBM_FORMAT_AYUV __gbm_fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */ 169 170 /* 171 * 2 plane YCbCr 172 * index 0 = Y plane, [7:0] Y 173 * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian 174 * or 175 * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian 176 */ 177 #define GBM_FORMAT_NV12 __gbm_fourcc_code('N', 'V', '1', '2') /* 2x2 subsampled Cr:Cb plane */ 178 #define GBM_FORMAT_NV21 __gbm_fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */ 179 #define GBM_FORMAT_NV16 __gbm_fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */ 180 #define GBM_FORMAT_NV61 __gbm_fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */ 181 182 #define GBM_FORMAT_P010 __gbm_fourcc_code('P', '0', '1', '0') /* 2x2 subsampled Cr:Cb plane */ 183 184 /* 185 * 3 plane YCbCr 186 * index 0: Y plane, [7:0] Y 187 * index 1: Cb plane, [7:0] Cb 188 * index 2: Cr plane, [7:0] Cr 189 * or 190 * index 1: Cr plane, [7:0] Cr 191 * index 2: Cb plane, [7:0] Cb 192 */ 193 #define GBM_FORMAT_YUV410 __gbm_fourcc_code('Y', 'U', 'V', '9') /* 4x4 subsampled Cb (1) and Cr (2) planes */ 194 #define GBM_FORMAT_YVU410 __gbm_fourcc_code('Y', 'V', 'U', '9') /* 4x4 subsampled Cr (1) and Cb (2) planes */ 195 #define GBM_FORMAT_YUV411 __gbm_fourcc_code('Y', 'U', '1', '1') /* 4x1 subsampled Cb (1) and Cr (2) planes */ 196 #define GBM_FORMAT_YVU411 __gbm_fourcc_code('Y', 'V', '1', '1') /* 4x1 subsampled Cr (1) and Cb (2) planes */ 197 #define GBM_FORMAT_YUV420 __gbm_fourcc_code('Y', 'U', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */ 198 #define GBM_FORMAT_YVU420 __gbm_fourcc_code('Y', 'V', '1', '2') /* 2x2 subsampled Cr (1) and Cb (2) planes */ 199 #define GBM_FORMAT_YUV422 __gbm_fourcc_code('Y', 'U', '1', '6') /* 2x1 subsampled Cb (1) and Cr (2) planes */ 200 #define GBM_FORMAT_YVU422 __gbm_fourcc_code('Y', 'V', '1', '6') /* 2x1 subsampled Cr (1) and Cb (2) planes */ 201 #define GBM_FORMAT_YUV444 __gbm_fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */ 202 #define GBM_FORMAT_YVU444 __gbm_fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */ 203 204 struct gbm_format_name_desc { 205 char name[5]; 206 }; 207 208 /** 209 * Flags to indicate the intended use for the buffer - these are passed into 210 * gbm_bo_create(). The caller must set the union of all the flags that are 211 * appropriate 212 * 213 * \sa Use gbm_device_is_format_supported() to check if the combination of format 214 * and use flags are supported 215 */ 216 enum gbm_bo_flags { 217 /** 218 * Buffer is going to be presented to the screen using an API such as KMS 219 */ 220 GBM_BO_USE_SCANOUT = (1 << 0), 221 /** 222 * Buffer is going to be used as cursor 223 */ 224 GBM_BO_USE_CURSOR = (1 << 1), 225 /** 226 * Deprecated 227 */ 228 GBM_BO_USE_CURSOR_64X64 = GBM_BO_USE_CURSOR, 229 /** 230 * Buffer is to be used for rendering - for example it is going to be used 231 * as the storage for a color buffer 232 */ 233 GBM_BO_USE_RENDERING = (1 << 2), 234 /** 235 * Buffer can be used for gbm_bo_write. This is guaranteed to work 236 * with GBM_BO_USE_CURSOR, but may not work for other combinations. 237 */ 238 GBM_BO_USE_WRITE = (1 << 3), 239 /** 240 * Buffer is linear, i.e. not tiled. 241 */ 242 GBM_BO_USE_LINEAR = (1 << 4), 243 /** 244 * The buffer will be used as a texture that will be sampled from. 245 */ 246 GBM_BO_USE_TEXTURING = (1 << 5), 247 /** 248 * The buffer will be written to by a camera subsystem. 249 */ 250 GBM_BO_USE_CAMERA_WRITE = (1 << 6), 251 /** 252 * The buffer will be read from by a camera subsystem. 253 */ 254 GBM_BO_USE_CAMERA_READ = (1 << 7), 255 /** 256 * Buffer inaccessible to unprivileged users. 257 */ 258 GBM_BO_USE_PROTECTED = (1 << 8), 259 /** 260 * These flags specify the frequency of software access. These flags do not 261 * guarantee the buffer is linear, but do guarantee gbm_bo_map(..) will 262 * present a linear view. 263 */ 264 GBM_BO_USE_SW_READ_OFTEN = (1 << 9), 265 GBM_BO_USE_SW_READ_RARELY = (1 << 10), 266 GBM_BO_USE_SW_WRITE_OFTEN = (1 << 11), 267 GBM_BO_USE_SW_WRITE_RARELY = (1 << 12), 268 /** 269 * The buffer will be written by a video decode accelerator. 270 */ 271 GBM_BO_USE_HW_VIDEO_DECODER = (1 << 13), 272 /** 273 * The buffer will be read by a video encode accelerator. 274 */ 275 GBM_BO_USE_HW_VIDEO_ENCODER = (1 << 14), 276 277 /** 278 * If this flag is set, no backing memory will be allocated for the 279 * created buffer. The metadata of the buffer (e.g. size) can be 280 * queried, and the values will be equal to a buffer allocated with 281 * the same same arguments minus this flag. However, any methods 282 * which would otherwise access the underlying buffer will fail. 283 */ 284 GBM_TEST_ALLOC = (1 << 15), 285 286 /** 287 * The buffer will be used for front buffer rendering. On some 288 * platforms this may (for example) disable framebuffer compression 289 * to avoid problems with compression flags data being out of sync 290 * with pixel data. 291 */ 292 GBM_BO_USE_FRONT_RENDERING = (1 << 16), 293 }; 294 295 int 296 gbm_device_get_fd(struct gbm_device *gbm); 297 298 const char * 299 gbm_device_get_backend_name(struct gbm_device *gbm); 300 301 int 302 gbm_device_is_format_supported(struct gbm_device *gbm, 303 uint32_t format, uint32_t usage); 304 305 int 306 gbm_device_get_format_modifier_plane_count(struct gbm_device *gbm, 307 uint32_t format, 308 uint64_t modifier); 309 310 void 311 gbm_device_destroy(struct gbm_device *gbm); 312 313 struct gbm_device * 314 gbm_create_device(int fd); 315 316 struct gbm_bo * 317 gbm_bo_create(struct gbm_device *gbm, 318 uint32_t width, uint32_t height, 319 uint32_t format, uint32_t flags); 320 321 struct gbm_bo * 322 gbm_bo_create_with_modifiers(struct gbm_device *gbm, 323 uint32_t width, uint32_t height, 324 uint32_t format, 325 const uint64_t *modifiers, 326 const unsigned int count); 327 #define GBM_BO_IMPORT_WL_BUFFER 0x5501 328 #define GBM_BO_IMPORT_EGL_IMAGE 0x5502 329 #define GBM_BO_IMPORT_FD 0x5503 330 // Deprecated. Use GBM_BO_IMPORT_FD_MODIFIER instead. 331 #define GBM_BO_IMPORT_FD_PLANAR 0x5504 332 #define GBM_BO_IMPORT_FD_MODIFIER 0x5505 333 334 struct gbm_import_fd_data { 335 int fd; 336 uint32_t width; 337 uint32_t height; 338 uint32_t stride; 339 uint32_t format; 340 }; 341 342 #define GBM_MAX_PLANES 4 343 344 struct gbm_import_fd_modifier_data { 345 uint32_t width; 346 uint32_t height; 347 uint32_t format; 348 uint32_t num_fds; 349 int fds[GBM_MAX_PLANES]; 350 int strides[GBM_MAX_PLANES]; 351 int offsets[GBM_MAX_PLANES]; 352 uint64_t modifier; 353 }; 354 355 struct gbm_bo * 356 gbm_bo_import(struct gbm_device *gbm, uint32_t type, 357 void *buffer, uint32_t usage); 358 359 /** 360 * Flags to indicate the type of mapping for the buffer - these are 361 * passed into gbm_bo_map(). The caller must set the union of all the 362 * flags that are appropriate. 363 * 364 * These flags are independent of the GBM_BO_USE_* creation flags. However, 365 * mapping the buffer may require copying to/from a staging buffer. 366 * 367 * See also: pipe_transfer_usage 368 */ 369 enum gbm_bo_transfer_flags { 370 /** 371 * Buffer contents read back (or accessed directly) at transfer 372 * create time. 373 */ 374 GBM_BO_TRANSFER_READ = (1 << 0), 375 /** 376 * Buffer contents will be written back at unmap time 377 * (or modified as a result of being accessed directly). 378 */ 379 GBM_BO_TRANSFER_WRITE = (1 << 1), 380 /** 381 * Read/modify/write 382 */ 383 GBM_BO_TRANSFER_READ_WRITE = (GBM_BO_TRANSFER_READ | GBM_BO_TRANSFER_WRITE), 384 }; 385 386 void * 387 gbm_bo_map(struct gbm_bo *bo, 388 uint32_t x, uint32_t y, uint32_t width, uint32_t height, 389 uint32_t flags, uint32_t *stride, void **map_data); 390 391 void 392 gbm_bo_unmap(struct gbm_bo *bo, void *map_data); 393 394 uint32_t 395 gbm_bo_get_width(struct gbm_bo *bo); 396 397 uint32_t 398 gbm_bo_get_height(struct gbm_bo *bo); 399 400 uint32_t 401 gbm_bo_get_stride(struct gbm_bo *bo); 402 403 uint32_t 404 gbm_bo_get_stride_for_plane(struct gbm_bo *bo, size_t plane); 405 406 uint32_t 407 gbm_bo_get_format(struct gbm_bo *bo); 408 409 uint32_t 410 gbm_bo_get_bpp(struct gbm_bo *bo); 411 412 uint32_t 413 gbm_bo_get_offset(struct gbm_bo *bo, size_t plane); 414 415 struct gbm_device * 416 gbm_bo_get_device(struct gbm_bo *bo); 417 418 union gbm_bo_handle 419 gbm_bo_get_handle(struct gbm_bo *bo); 420 421 int 422 gbm_bo_get_fd(struct gbm_bo *bo); 423 424 uint64_t 425 gbm_bo_get_modifier(struct gbm_bo *bo); 426 427 int 428 gbm_bo_get_plane_count(struct gbm_bo *bo); 429 430 union gbm_bo_handle 431 gbm_bo_get_handle_for_plane(struct gbm_bo *bo, size_t plane); 432 433 int 434 gbm_bo_get_fd_for_plane(struct gbm_bo *bo, int plane); 435 436 int 437 gbm_bo_write(struct gbm_bo *bo, const void *buf, size_t count); 438 439 void 440 gbm_bo_set_user_data(struct gbm_bo *bo, void *data, 441 void (*destroy_user_data)(struct gbm_bo *, void *)); 442 443 void * 444 gbm_bo_get_user_data(struct gbm_bo *bo); 445 446 void 447 gbm_bo_destroy(struct gbm_bo *bo); 448 449 struct gbm_surface * 450 gbm_surface_create(struct gbm_device *gbm, 451 uint32_t width, uint32_t height, 452 uint32_t format, uint32_t flags); 453 454 struct gbm_surface * 455 gbm_surface_create_with_modifiers(struct gbm_device *gbm, 456 uint32_t width, uint32_t height, 457 uint32_t format, 458 const uint64_t *modifiers, 459 const unsigned int count); 460 461 struct gbm_bo * 462 gbm_surface_lock_front_buffer(struct gbm_surface *surface); 463 464 void 465 gbm_surface_release_buffer(struct gbm_surface *surface, struct gbm_bo *bo); 466 467 int 468 gbm_surface_has_free_buffers(struct gbm_surface *surface); 469 470 void 471 gbm_surface_destroy(struct gbm_surface *surface); 472 473 char * 474 gbm_format_get_name(uint32_t gbm_format, struct gbm_format_name_desc *desc); 475 476 477 #ifndef MINIGBM 478 #define MINIGBM 479 #endif 480 /* 481 * The following functions are not deprecated, but not in the Mesa the gbm 482 * header. The main difference is minigbm allows for the possibility of 483 * disjoint YUV images, while Mesa GBM does not. 484 */ 485 uint32_t 486 gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane); 487 488 int 489 gbm_bo_get_plane_fd(struct gbm_bo *bo, size_t plane); 490 491 void * 492 gbm_bo_map2(struct gbm_bo *bo, 493 uint32_t x, uint32_t y, uint32_t width, uint32_t height, 494 uint32_t flags, uint32_t *stride, void **map_data, int plane); 495 496 #ifdef __cplusplus 497 } 498 #endif 499 500 #endif 501