2 * Copyright 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.
16 #include "gbm_helpers.h"
20 PUBLIC int gbm_device_get_fd(struct gbm_device *gbm)
23 return drv_get_fd(gbm->drv);
26 PUBLIC const char *gbm_device_get_backend_name(struct gbm_device *gbm)
28 return drv_get_name(gbm->drv);
31 PUBLIC int gbm_device_is_format_supported(struct gbm_device *gbm, uint32_t format, uint32_t usage)
35 if (usage & GBM_BO_USE_CURSOR && usage & GBM_BO_USE_RENDERING)
38 drv_usage = gbm_convert_flags(usage);
40 return (drv_get_combination(gbm->drv, format, drv_usage) != NULL);
43 PUBLIC struct gbm_device *gbm_create_device(int fd)
45 struct gbm_device *gbm;
47 gbm = (struct gbm_device *)malloc(sizeof(*gbm));
52 gbm->drv = drv_create(fd);
61 PUBLIC void gbm_device_destroy(struct gbm_device *gbm)
63 drv_destroy(gbm->drv);
67 PUBLIC struct gbm_surface *gbm_surface_create(struct gbm_device *gbm, uint32_t width,
68 uint32_t height, uint32_t format, uint32_t flags)
70 struct gbm_surface *surface = (struct gbm_surface *)malloc(sizeof(*surface));
78 PUBLIC void gbm_surface_destroy(struct gbm_surface *surface)
83 PUBLIC struct gbm_bo *gbm_surface_lock_front_buffer(struct gbm_surface *surface)
88 PUBLIC void gbm_surface_release_buffer(struct gbm_surface *surface, struct gbm_bo *bo)
92 static struct gbm_bo *gbm_bo_new(struct gbm_device *gbm, uint32_t format)
96 bo = (struct gbm_bo *)calloc(1, sizeof(*bo));
101 bo->gbm_format = format;
106 PUBLIC struct gbm_bo *gbm_bo_create(struct gbm_device *gbm, uint32_t width, uint32_t height,
107 uint32_t format, uint32_t flags)
111 if (!gbm_device_is_format_supported(gbm, format, flags))
114 bo = gbm_bo_new(gbm, format);
119 bo->bo = drv_bo_create(gbm->drv, width, height, format, gbm_convert_flags(flags));
129 PUBLIC struct gbm_bo *gbm_bo_create_with_modifiers(struct gbm_device *gbm, uint32_t width,
130 uint32_t height, uint32_t format,
131 const uint64_t *modifiers, uint32_t count)
135 bo = gbm_bo_new(gbm, format);
140 bo->bo = drv_bo_create_with_modifiers(gbm->drv, width, height, format, modifiers, count);
150 PUBLIC void gbm_bo_destroy(struct gbm_bo *bo)
152 if (bo->destroy_user_data) {
153 bo->destroy_user_data(bo, bo->user_data);
154 bo->destroy_user_data = NULL;
155 bo->user_data = NULL;
158 drv_bo_destroy(bo->bo);
162 PUBLIC struct gbm_bo *gbm_bo_import(struct gbm_device *gbm, uint32_t type, void *buffer,
166 struct drv_import_fd_data drv_data;
167 struct gbm_import_fd_data *fd_data = buffer;
168 struct gbm_import_fd_planar_data *fd_planar_data = buffer;
170 size_t num_planes, i;
172 memset(&drv_data, 0, sizeof(drv_data));
173 drv_data.flags = gbm_convert_flags(usage);
175 case GBM_BO_IMPORT_FD:
176 gbm_format = fd_data->format;
177 drv_data.width = fd_data->width;
178 drv_data.height = fd_data->height;
179 drv_data.format = fd_data->format;
180 drv_data.fds[0] = fd_data->fd;
181 drv_data.strides[0] = fd_data->stride;
182 drv_data.sizes[0] = fd_data->height * fd_data->stride;
184 case GBM_BO_IMPORT_FD_PLANAR:
185 gbm_format = fd_planar_data->format;
186 drv_data.width = fd_planar_data->width;
187 drv_data.height = fd_planar_data->height;
188 drv_data.format = fd_planar_data->format;
189 num_planes = drv_num_planes_from_format(drv_data.format);
193 for (i = 0; i < num_planes; i++) {
194 drv_data.fds[i] = fd_planar_data->fds[i];
195 drv_data.offsets[i] = fd_planar_data->offsets[i];
196 drv_data.strides[i] = fd_planar_data->strides[i];
197 drv_data.format_modifiers[i] = fd_planar_data->format_modifiers[i];
199 drv_data.sizes[i] = drv_size_from_format(
200 drv_data.format, drv_data.strides[i], drv_data.height, i);
203 for (i = num_planes; i < GBM_MAX_PLANES; i++)
204 drv_data.fds[i] = -1;
211 if (!gbm_device_is_format_supported(gbm, gbm_format, usage))
214 bo = gbm_bo_new(gbm, gbm_format);
219 bo->bo = drv_bo_import(gbm->drv, &drv_data);
229 PUBLIC void *gbm_bo_map(struct gbm_bo *bo, uint32_t x, uint32_t y, uint32_t width, uint32_t height,
230 uint32_t flags, uint32_t *stride, void **map_data, size_t plane)
232 if (!bo || width == 0 || height == 0 || !stride || !map_data)
235 *stride = gbm_bo_get_plane_stride(bo, plane);
236 uint32_t drv_flags = flags & GBM_BO_TRANSFER_READ ? BO_TRANSFER_READ : BO_TRANSFER_NONE;
237 drv_flags |= flags & GBM_BO_TRANSFER_WRITE ? BO_TRANSFER_WRITE : BO_TRANSFER_NONE;
238 return drv_bo_map(bo->bo, x, y, width, height, drv_flags, (struct map_info **)map_data,
242 PUBLIC void gbm_bo_unmap(struct gbm_bo *bo, void *map_data)
245 drv_bo_unmap(bo->bo, map_data);
248 PUBLIC uint32_t gbm_bo_get_width(struct gbm_bo *bo)
250 return drv_bo_get_width(bo->bo);
253 PUBLIC uint32_t gbm_bo_get_height(struct gbm_bo *bo)
255 return drv_bo_get_height(bo->bo);
258 PUBLIC uint32_t gbm_bo_get_stride(struct gbm_bo *bo)
260 return gbm_bo_get_plane_stride(bo, 0);
263 PUBLIC uint32_t gbm_bo_get_stride_or_tiling(struct gbm_bo *bo)
265 return drv_bo_get_stride_or_tiling(bo->bo);
268 PUBLIC uint32_t gbm_bo_get_format(struct gbm_bo *bo)
270 return bo->gbm_format;
273 PUBLIC uint64_t gbm_bo_get_format_modifier(struct gbm_bo *bo)
275 return gbm_bo_get_plane_format_modifier(bo, 0);
278 PUBLIC struct gbm_device *gbm_bo_get_device(struct gbm_bo *bo)
283 PUBLIC union gbm_bo_handle gbm_bo_get_handle(struct gbm_bo *bo)
285 return gbm_bo_get_plane_handle(bo, 0);
288 PUBLIC int gbm_bo_get_fd(struct gbm_bo *bo)
290 return gbm_bo_get_plane_fd(bo, 0);
293 PUBLIC size_t gbm_bo_get_num_planes(struct gbm_bo *bo)
295 return drv_bo_get_num_planes(bo->bo);
298 PUBLIC union gbm_bo_handle gbm_bo_get_plane_handle(struct gbm_bo *bo, size_t plane)
300 return (union gbm_bo_handle)drv_bo_get_plane_handle(bo->bo, plane).u64;
303 PUBLIC int gbm_bo_get_plane_fd(struct gbm_bo *bo, size_t plane)
305 return drv_bo_get_plane_fd(bo->bo, plane);
308 PUBLIC uint32_t gbm_bo_get_plane_offset(struct gbm_bo *bo, size_t plane)
310 return drv_bo_get_plane_offset(bo->bo, plane);
313 PUBLIC uint32_t gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane)
315 return drv_bo_get_plane_size(bo->bo, plane);
318 PUBLIC uint32_t gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane)
320 return drv_bo_get_plane_stride(bo->bo, plane);
323 PUBLIC uint64_t gbm_bo_get_plane_format_modifier(struct gbm_bo *bo, size_t plane)
325 return drv_bo_get_plane_format_modifier(bo->bo, plane);
328 PUBLIC void gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
329 void (*destroy_user_data)(struct gbm_bo *, void *))
331 bo->user_data = data;
332 bo->destroy_user_data = destroy_user_data;
335 PUBLIC void *gbm_bo_get_user_data(struct gbm_bo *bo)
337 return bo->user_data;