2 * Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
17 #include "gbm_helpers.h"
21 gbm_device_get_fd(struct gbm_device *gbm)
24 return drv_get_fd(gbm->drv);
28 gbm_device_get_backend_name(struct gbm_device *gbm)
30 return drv_get_name(gbm->drv);
34 gbm_device_is_format_supported(struct gbm_device *gbm,
35 uint32_t format, uint32_t usage)
40 if (usage & GBM_BO_USE_CURSOR &&
41 usage & GBM_BO_USE_RENDERING)
44 drv_format = gbm_convert_format(format);
45 drv_usage = gbm_convert_flags(usage);
47 return drv_is_format_supported(gbm->drv, drv_format, drv_usage);
50 PUBLIC struct gbm_device *gbm_create_device(int fd)
52 struct gbm_device *gbm;
54 gbm = (struct gbm_device*) malloc(sizeof(*gbm));
59 gbm->drv = drv_create(fd);
68 PUBLIC void gbm_device_destroy(struct gbm_device *gbm)
70 drv_destroy(gbm->drv);
74 PUBLIC struct gbm_surface *gbm_surface_create(struct gbm_device *gbm,
75 uint32_t width, uint32_t height,
76 uint32_t format, uint32_t flags)
78 struct gbm_surface *surface =
79 (struct gbm_surface*) malloc(sizeof(*surface));
87 PUBLIC void gbm_surface_destroy(struct gbm_surface *surface)
92 PUBLIC struct gbm_bo *gbm_surface_lock_front_buffer(struct gbm_surface *surface)
97 PUBLIC void gbm_surface_release_buffer(struct gbm_surface *surface,
102 static struct gbm_bo *gbm_bo_new(struct gbm_device *gbm, uint32_t format)
106 bo = (struct gbm_bo*) calloc(1, sizeof(*bo));
111 bo->gbm_format = format;
116 PUBLIC struct gbm_bo *gbm_bo_create(struct gbm_device *gbm, uint32_t width,
117 uint32_t height, uint32_t format,
122 if (!gbm_device_is_format_supported(gbm, format, flags))
125 bo = gbm_bo_new(gbm, format);
130 bo->bo = drv_bo_create(gbm->drv, width, height,
131 gbm_convert_format(format),
132 gbm_convert_flags(flags));
142 PUBLIC void gbm_bo_destroy(struct gbm_bo *bo)
144 if (bo->destroy_user_data) {
145 bo->destroy_user_data(bo, bo->user_data);
146 bo->destroy_user_data = NULL;
147 bo->user_data = NULL;
150 drv_bo_destroy(bo->bo);
154 PUBLIC struct gbm_bo *
155 gbm_bo_import(struct gbm_device *gbm, uint32_t type,
156 void *buffer, uint32_t usage)
159 struct drv_import_fd_data drv_data;
160 struct gbm_import_fd_data *fd_data = buffer;
162 if (type != GBM_BO_IMPORT_FD)
165 if (!gbm_device_is_format_supported(gbm, fd_data->format, usage))
168 bo = gbm_bo_new(gbm, fd_data->format);
174 * Minigbm only supports importing single-plane formats at moment.
175 * If multi-plane import is desired, the interface will have to be
179 memset(&drv_data, 0, sizeof(drv_data));
180 drv_data.fds[0] = fd_data->fd;
181 drv_data.strides[0] = fd_data->stride;
182 drv_data.offsets[0] = 0;
183 drv_data.sizes[0] = fd_data->height * fd_data->stride;
184 drv_data.width = fd_data->width;
185 drv_data.height = fd_data->height;
186 drv_data.format = gbm_convert_format(fd_data->format);
188 bo->bo = drv_bo_import(gbm->drv, &drv_data);
199 gbm_bo_map(struct gbm_bo *bo, uint32_t x, uint32_t y, uint32_t width,
200 uint32_t height, uint32_t flags, uint32_t *stride, void **map_data,
203 if (!bo || width == 0 || height == 0 || !stride || !map_data)
208 assert(width == gbm_bo_get_width(bo));
209 assert(height == gbm_bo_get_height(bo));
211 *map_data = drv_bo_map(bo->bo);
212 *stride = gbm_bo_get_plane_stride(bo, plane);
217 gbm_bo_unmap(struct gbm_bo *bo, void *map_data)
221 drv_bo_unmap(bo->bo);
225 gbm_bo_get_width(struct gbm_bo *bo)
227 return drv_bo_get_width(bo->bo);
231 gbm_bo_get_height(struct gbm_bo *bo)
233 return drv_bo_get_height(bo->bo);
237 gbm_bo_get_stride(struct gbm_bo *bo)
239 return gbm_bo_get_plane_stride(bo, 0);
243 gbm_bo_get_stride_or_tiling(struct gbm_bo *bo)
245 return drv_bo_get_stride_or_tiling(bo->bo);
249 gbm_bo_get_format(struct gbm_bo *bo)
251 return bo->gbm_format;
255 gbm_bo_get_format_modifier(struct gbm_bo *bo)
257 return gbm_bo_get_plane_format_modifier(bo, 0);
260 PUBLIC struct gbm_device *
261 gbm_bo_get_device(struct gbm_bo *bo)
266 PUBLIC union gbm_bo_handle
267 gbm_bo_get_handle(struct gbm_bo *bo)
269 return gbm_bo_get_plane_handle(bo, 0);
273 gbm_bo_get_fd(struct gbm_bo *bo)
275 return gbm_bo_get_plane_fd(bo, 0);
279 gbm_bo_get_num_planes(struct gbm_bo *bo)
281 return drv_bo_get_num_planes(bo->bo);
284 PUBLIC union gbm_bo_handle
285 gbm_bo_get_plane_handle(struct gbm_bo *bo, size_t plane)
287 return (union gbm_bo_handle) drv_bo_get_plane_handle(bo->bo, plane).u64;
291 gbm_bo_get_plane_fd(struct gbm_bo *bo, size_t plane)
293 return drv_bo_get_plane_fd(bo->bo, plane);
297 gbm_bo_get_plane_offset(struct gbm_bo *bo, size_t plane)
299 return drv_bo_get_plane_offset(bo->bo, plane);
303 gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane)
305 return drv_bo_get_plane_size(bo->bo, plane);
309 gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane)
311 return drv_bo_get_plane_stride(bo->bo, plane);
315 gbm_bo_get_plane_format_modifier(struct gbm_bo *bo, size_t plane)
317 return drv_bo_get_plane_format_modifier(bo->bo, plane);
321 gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
322 void (*destroy_user_data)(struct gbm_bo *, void *))
324 bo->user_data = data;
325 bo->destroy_user_data = destroy_user_data;
329 gbm_bo_get_user_data(struct gbm_bo *bo)
331 return bo->user_data;