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;
161 struct gbm_import_fd_planar_data *fd_planar_data = buffer;
164 memset(&drv_data, 0, sizeof(drv_data));
167 case GBM_BO_IMPORT_FD:
168 drv_data.width = fd_data->width;
169 drv_data.height = fd_data->height;
170 drv_data.format = gbm_convert_format(fd_data->format);
171 drv_data.fds[0] = fd_data->fd;
172 drv_data.strides[0] = fd_data->stride;
174 case GBM_BO_IMPORT_FD_PLANAR:
175 drv_data.width = fd_planar_data->width;
176 drv_data.height = fd_planar_data->height;
177 drv_data.format = gbm_convert_format(fd_planar_data->format);
178 for (i = 0; i < 4; i++) {
179 drv_data.fds[i] = fd_planar_data->fds[i];
180 drv_data.offsets[i] = fd_planar_data->offsets[i];
181 drv_data.strides[i] = fd_planar_data->strides[i];
182 drv_data.format_modifiers[i] =
183 fd_planar_data->format_modifiers[i];
190 if (!gbm_device_is_format_supported(gbm, fd_data->format, usage))
193 bo = gbm_bo_new(gbm, fd_data->format);
198 bo->bo = drv_bo_import(gbm->drv, &drv_data);
209 gbm_bo_map(struct gbm_bo *bo, uint32_t x, uint32_t y, uint32_t width,
210 uint32_t height, uint32_t flags, uint32_t *stride, void **map_data,
213 if (!bo || width == 0 || height == 0 || !stride || !map_data)
218 assert(width == gbm_bo_get_width(bo));
219 assert(height == gbm_bo_get_height(bo));
221 *map_data = drv_bo_map(bo->bo);
222 *stride = gbm_bo_get_plane_stride(bo, plane);
227 gbm_bo_unmap(struct gbm_bo *bo, void *map_data)
231 drv_bo_unmap(bo->bo);
235 gbm_bo_get_width(struct gbm_bo *bo)
237 return drv_bo_get_width(bo->bo);
241 gbm_bo_get_height(struct gbm_bo *bo)
243 return drv_bo_get_height(bo->bo);
247 gbm_bo_get_stride(struct gbm_bo *bo)
249 return gbm_bo_get_plane_stride(bo, 0);
253 gbm_bo_get_stride_or_tiling(struct gbm_bo *bo)
255 return drv_bo_get_stride_or_tiling(bo->bo);
259 gbm_bo_get_format(struct gbm_bo *bo)
261 return bo->gbm_format;
265 gbm_bo_get_format_modifier(struct gbm_bo *bo)
267 return gbm_bo_get_plane_format_modifier(bo, 0);
270 PUBLIC struct gbm_device *
271 gbm_bo_get_device(struct gbm_bo *bo)
276 PUBLIC union gbm_bo_handle
277 gbm_bo_get_handle(struct gbm_bo *bo)
279 return gbm_bo_get_plane_handle(bo, 0);
283 gbm_bo_get_fd(struct gbm_bo *bo)
285 return gbm_bo_get_plane_fd(bo, 0);
289 gbm_bo_get_num_planes(struct gbm_bo *bo)
291 return drv_bo_get_num_planes(bo->bo);
294 PUBLIC union gbm_bo_handle
295 gbm_bo_get_plane_handle(struct gbm_bo *bo, size_t plane)
297 return (union gbm_bo_handle) drv_bo_get_plane_handle(bo->bo, plane).u64;
301 gbm_bo_get_plane_fd(struct gbm_bo *bo, size_t plane)
303 return drv_bo_get_plane_fd(bo->bo, plane);
307 gbm_bo_get_plane_offset(struct gbm_bo *bo, size_t plane)
309 return drv_bo_get_plane_offset(bo->bo, plane);
313 gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane)
315 return drv_bo_get_plane_size(bo->bo, plane);
319 gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane)
321 return drv_bo_get_plane_stride(bo->bo, plane);
325 gbm_bo_get_plane_format_modifier(struct gbm_bo *bo, size_t plane)
327 return drv_bo_get_plane_format_modifier(bo->bo, plane);
331 gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
332 void (*destroy_user_data)(struct gbm_bo *, void *))
334 bo->user_data = data;
335 bo->destroy_user_data = destroy_user_data;
339 gbm_bo_get_user_data(struct gbm_bo *bo)
341 return bo->user_data;