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)
39 if (usage & GBM_BO_USE_CURSOR &&
40 usage & GBM_BO_USE_RENDERING)
43 drv_usage = gbm_convert_flags(usage);
45 return drv_is_combination_supported(gbm->drv, format, drv_usage,
49 PUBLIC struct gbm_device *gbm_create_device(int fd)
51 struct gbm_device *gbm;
53 gbm = (struct gbm_device*) malloc(sizeof(*gbm));
58 gbm->drv = drv_create(fd);
67 PUBLIC void gbm_device_destroy(struct gbm_device *gbm)
69 drv_destroy(gbm->drv);
73 PUBLIC struct gbm_surface *gbm_surface_create(struct gbm_device *gbm,
74 uint32_t width, uint32_t height,
75 uint32_t format, uint32_t flags)
77 struct gbm_surface *surface =
78 (struct gbm_surface*) malloc(sizeof(*surface));
86 PUBLIC void gbm_surface_destroy(struct gbm_surface *surface)
91 PUBLIC struct gbm_bo *gbm_surface_lock_front_buffer(struct gbm_surface *surface)
96 PUBLIC void gbm_surface_release_buffer(struct gbm_surface *surface,
101 static struct gbm_bo *gbm_bo_new(struct gbm_device *gbm, uint32_t format)
105 bo = (struct gbm_bo*) calloc(1, sizeof(*bo));
110 bo->gbm_format = format;
115 PUBLIC struct gbm_bo *gbm_bo_create(struct gbm_device *gbm, uint32_t width,
116 uint32_t height, uint32_t format,
121 if (!gbm_device_is_format_supported(gbm, format, flags))
124 bo = gbm_bo_new(gbm, format);
129 bo->bo = drv_bo_create(gbm->drv, width, height, format,
130 gbm_convert_flags(flags));
140 PUBLIC void gbm_bo_destroy(struct gbm_bo *bo)
142 if (bo->destroy_user_data) {
143 bo->destroy_user_data(bo, bo->user_data);
144 bo->destroy_user_data = NULL;
145 bo->user_data = NULL;
148 drv_bo_destroy(bo->bo);
152 PUBLIC struct gbm_bo *
153 gbm_bo_import(struct gbm_device *gbm, uint32_t type,
154 void *buffer, uint32_t usage)
157 struct drv_import_fd_data drv_data;
158 struct gbm_import_fd_data *fd_data = buffer;
159 struct gbm_import_fd_planar_data *fd_planar_data = buffer;
161 size_t num_planes, i;
163 memset(&drv_data, 0, sizeof(drv_data));
166 case GBM_BO_IMPORT_FD:
167 gbm_format = fd_data->format;
168 drv_data.width = fd_data->width;
169 drv_data.height = fd_data->height;
170 drv_data.format = fd_data->format;
171 drv_data.fds[0] = fd_data->fd;
172 drv_data.strides[0] = fd_data->stride;
173 drv_data.sizes[0] = fd_data->height * fd_data->stride;
175 case GBM_BO_IMPORT_FD_PLANAR:
176 gbm_format = fd_planar_data->format;
177 drv_data.width = fd_planar_data->width;
178 drv_data.height = fd_planar_data->height;
179 drv_data.format = fd_planar_data->format;
180 num_planes = drv_num_planes_from_format(drv_data.format);
184 for (i = 0; i < num_planes; i++) {
185 drv_data.fds[i] = fd_planar_data->fds[i];
186 drv_data.offsets[i] = fd_planar_data->offsets[i];
187 drv_data.strides[i] = fd_planar_data->strides[i];
188 drv_data.format_modifiers[i] =
189 fd_planar_data->format_modifiers[i];
191 drv_data.sizes[i] = drv_size_from_format(
198 for (i = num_planes; i < GBM_MAX_PLANES; i++)
199 drv_data.fds[i] = -1;
206 if (!gbm_device_is_format_supported(gbm, gbm_format, usage))
209 bo = gbm_bo_new(gbm, gbm_format);
214 bo->bo = drv_bo_import(gbm->drv, &drv_data);
225 gbm_bo_map(struct gbm_bo *bo, uint32_t x, uint32_t y, uint32_t width,
226 uint32_t height, uint32_t flags, uint32_t *stride, void **map_data,
229 if (!bo || width == 0 || height == 0 || !stride || !map_data)
232 *stride = gbm_bo_get_plane_stride(bo, plane);
233 return drv_bo_map(bo->bo, x, y, width, height, 0, map_data, plane);
237 gbm_bo_unmap(struct gbm_bo *bo, void *map_data)
240 drv_bo_unmap(bo->bo, map_data);
244 gbm_bo_get_width(struct gbm_bo *bo)
246 return drv_bo_get_width(bo->bo);
250 gbm_bo_get_height(struct gbm_bo *bo)
252 return drv_bo_get_height(bo->bo);
256 gbm_bo_get_stride(struct gbm_bo *bo)
258 return gbm_bo_get_plane_stride(bo, 0);
262 gbm_bo_get_stride_or_tiling(struct gbm_bo *bo)
264 return drv_bo_get_stride_or_tiling(bo->bo);
268 gbm_bo_get_format(struct gbm_bo *bo)
270 return bo->gbm_format;
274 gbm_bo_get_format_modifier(struct gbm_bo *bo)
276 return gbm_bo_get_plane_format_modifier(bo, 0);
279 PUBLIC struct gbm_device *
280 gbm_bo_get_device(struct gbm_bo *bo)
285 PUBLIC union gbm_bo_handle
286 gbm_bo_get_handle(struct gbm_bo *bo)
288 return gbm_bo_get_plane_handle(bo, 0);
292 gbm_bo_get_fd(struct gbm_bo *bo)
294 return gbm_bo_get_plane_fd(bo, 0);
298 gbm_bo_get_num_planes(struct gbm_bo *bo)
300 return drv_bo_get_num_planes(bo->bo);
303 PUBLIC union gbm_bo_handle
304 gbm_bo_get_plane_handle(struct gbm_bo *bo, size_t plane)
306 return (union gbm_bo_handle) drv_bo_get_plane_handle(bo->bo, plane).u64;
310 gbm_bo_get_plane_fd(struct gbm_bo *bo, size_t plane)
312 return drv_bo_get_plane_fd(bo->bo, plane);
316 gbm_bo_get_plane_offset(struct gbm_bo *bo, size_t plane)
318 return drv_bo_get_plane_offset(bo->bo, plane);
322 gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane)
324 return drv_bo_get_plane_size(bo->bo, plane);
328 gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane)
330 return drv_bo_get_plane_stride(bo->bo, plane);
334 gbm_bo_get_plane_format_modifier(struct gbm_bo *bo, size_t plane)
336 return drv_bo_get_plane_format_modifier(bo->bo, plane);
340 gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
341 void (*destroy_user_data)(struct gbm_bo *, void *))
343 bo->user_data = data;
344 bo->destroy_user_data = destroy_user_data;
348 gbm_bo_get_user_data(struct gbm_bo *bo)
350 return bo->user_data;