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.
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_get_combination(gbm->drv, format, drv_usage) != NULL);
48 PUBLIC struct gbm_device *gbm_create_device(int fd)
50 struct gbm_device *gbm;
52 gbm = (struct gbm_device*) malloc(sizeof(*gbm));
57 gbm->drv = drv_create(fd);
66 PUBLIC void gbm_device_destroy(struct gbm_device *gbm)
68 drv_destroy(gbm->drv);
72 PUBLIC struct gbm_surface *gbm_surface_create(struct gbm_device *gbm,
73 uint32_t width, uint32_t height,
74 uint32_t format, uint32_t flags)
76 struct gbm_surface *surface =
77 (struct gbm_surface*) malloc(sizeof(*surface));
85 PUBLIC void gbm_surface_destroy(struct gbm_surface *surface)
90 PUBLIC struct gbm_bo *gbm_surface_lock_front_buffer(struct gbm_surface *surface)
95 PUBLIC void gbm_surface_release_buffer(struct gbm_surface *surface,
100 static struct gbm_bo *gbm_bo_new(struct gbm_device *gbm, uint32_t format)
104 bo = (struct gbm_bo*) calloc(1, sizeof(*bo));
109 bo->gbm_format = format;
114 PUBLIC struct gbm_bo *gbm_bo_create(struct gbm_device *gbm, uint32_t width,
115 uint32_t height, uint32_t format,
120 if (!gbm_device_is_format_supported(gbm, format, flags))
123 bo = gbm_bo_new(gbm, format);
128 bo->bo = drv_bo_create(gbm->drv, width, height, format,
129 gbm_convert_flags(flags));
139 PUBLIC struct gbm_bo *gbm_bo_create_with_modifiers(struct gbm_device *gbm,
143 const uint64_t *modifiers,
148 bo = gbm_bo_new(gbm, format);
153 bo->bo = drv_bo_create_with_modifiers(gbm->drv,
154 width, height, format,
165 PUBLIC void gbm_bo_destroy(struct gbm_bo *bo)
167 if (bo->destroy_user_data) {
168 bo->destroy_user_data(bo, bo->user_data);
169 bo->destroy_user_data = NULL;
170 bo->user_data = NULL;
173 drv_bo_destroy(bo->bo);
177 PUBLIC struct gbm_bo *
178 gbm_bo_import(struct gbm_device *gbm, uint32_t type,
179 void *buffer, uint32_t usage)
182 struct drv_import_fd_data drv_data;
183 struct gbm_import_fd_data *fd_data = buffer;
184 struct gbm_import_fd_planar_data *fd_planar_data = buffer;
186 size_t num_planes, i;
188 memset(&drv_data, 0, sizeof(drv_data));
191 case GBM_BO_IMPORT_FD:
192 gbm_format = fd_data->format;
193 drv_data.width = fd_data->width;
194 drv_data.height = fd_data->height;
195 drv_data.format = fd_data->format;
196 drv_data.fds[0] = fd_data->fd;
197 drv_data.strides[0] = fd_data->stride;
198 drv_data.sizes[0] = fd_data->height * fd_data->stride;
200 case GBM_BO_IMPORT_FD_PLANAR:
201 gbm_format = fd_planar_data->format;
202 drv_data.width = fd_planar_data->width;
203 drv_data.height = fd_planar_data->height;
204 drv_data.format = fd_planar_data->format;
205 num_planes = drv_num_planes_from_format(drv_data.format);
209 for (i = 0; i < num_planes; i++) {
210 drv_data.fds[i] = fd_planar_data->fds[i];
211 drv_data.offsets[i] = fd_planar_data->offsets[i];
212 drv_data.strides[i] = fd_planar_data->strides[i];
213 drv_data.format_modifiers[i] =
214 fd_planar_data->format_modifiers[i];
216 drv_data.sizes[i] = drv_size_from_format(
223 for (i = num_planes; i < GBM_MAX_PLANES; i++)
224 drv_data.fds[i] = -1;
231 if (!gbm_device_is_format_supported(gbm, gbm_format, usage))
234 bo = gbm_bo_new(gbm, gbm_format);
239 bo->bo = drv_bo_import(gbm->drv, &drv_data);
250 gbm_bo_map(struct gbm_bo *bo, uint32_t x, uint32_t y, uint32_t width,
251 uint32_t height, uint32_t flags, uint32_t *stride, void **map_data,
254 if (!bo || width == 0 || height == 0 || !stride || !map_data)
257 *stride = gbm_bo_get_plane_stride(bo, plane);
258 return drv_bo_map(bo->bo, x, y, width, height, 0,
259 (struct map_info**)map_data, plane);
263 gbm_bo_unmap(struct gbm_bo *bo, void *map_data)
266 drv_bo_unmap(bo->bo, map_data);
270 gbm_bo_get_width(struct gbm_bo *bo)
272 return drv_bo_get_width(bo->bo);
276 gbm_bo_get_height(struct gbm_bo *bo)
278 return drv_bo_get_height(bo->bo);
282 gbm_bo_get_stride(struct gbm_bo *bo)
284 return gbm_bo_get_plane_stride(bo, 0);
288 gbm_bo_get_stride_or_tiling(struct gbm_bo *bo)
290 return drv_bo_get_stride_or_tiling(bo->bo);
294 gbm_bo_get_format(struct gbm_bo *bo)
296 return bo->gbm_format;
300 gbm_bo_get_format_modifier(struct gbm_bo *bo)
302 return gbm_bo_get_plane_format_modifier(bo, 0);
305 PUBLIC struct gbm_device *
306 gbm_bo_get_device(struct gbm_bo *bo)
311 PUBLIC union gbm_bo_handle
312 gbm_bo_get_handle(struct gbm_bo *bo)
314 return gbm_bo_get_plane_handle(bo, 0);
318 gbm_bo_get_fd(struct gbm_bo *bo)
320 return gbm_bo_get_plane_fd(bo, 0);
324 gbm_bo_get_num_planes(struct gbm_bo *bo)
326 return drv_bo_get_num_planes(bo->bo);
329 PUBLIC union gbm_bo_handle
330 gbm_bo_get_plane_handle(struct gbm_bo *bo, size_t plane)
332 return (union gbm_bo_handle) drv_bo_get_plane_handle(bo->bo, plane).u64;
336 gbm_bo_get_plane_fd(struct gbm_bo *bo, size_t plane)
338 return drv_bo_get_plane_fd(bo->bo, plane);
342 gbm_bo_get_plane_offset(struct gbm_bo *bo, size_t plane)
344 return drv_bo_get_plane_offset(bo->bo, plane);
348 gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane)
350 return drv_bo_get_plane_size(bo->bo, plane);
354 gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane)
356 return drv_bo_get_plane_stride(bo->bo, plane);
360 gbm_bo_get_plane_format_modifier(struct gbm_bo *bo, size_t plane)
362 return drv_bo_get_plane_format_modifier(bo->bo, plane);
366 gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
367 void (*destroy_user_data)(struct gbm_bo *, void *))
369 bo->user_data = data;
370 bo->destroy_user_data = destroy_user_data;
374 gbm_bo_get_user_data(struct gbm_bo *bo)
376 return bo->user_data;