+ struct gbm_bo *bo;
+ struct drv_import_fd_data drv_data;
+ struct gbm_import_fd_data *fd_data = buffer;
+ struct gbm_import_fd_planar_data *fd_planar_data = buffer;
+ uint32_t gbm_format;
+ size_t num_planes, i;
+
+ memset(&drv_data, 0, sizeof(drv_data));
+ drv_data.use_flags = gbm_convert_usage(usage);
+ switch (type) {
+ case GBM_BO_IMPORT_FD:
+ gbm_format = fd_data->format;
+ drv_data.width = fd_data->width;
+ drv_data.height = fd_data->height;
+ drv_data.format = fd_data->format;
+ drv_data.fds[0] = fd_data->fd;
+ drv_data.strides[0] = fd_data->stride;
+ break;
+ case GBM_BO_IMPORT_FD_PLANAR:
+ gbm_format = fd_planar_data->format;
+ drv_data.width = fd_planar_data->width;
+ drv_data.height = fd_planar_data->height;
+ drv_data.format = fd_planar_data->format;
+ num_planes = drv_num_planes_from_format(drv_data.format);
+
+ assert(num_planes);
+
+ for (i = 0; i < num_planes; i++) {
+ drv_data.fds[i] = fd_planar_data->fds[i];
+ drv_data.offsets[i] = fd_planar_data->offsets[i];
+ drv_data.strides[i] = fd_planar_data->strides[i];
+ drv_data.format_modifiers[i] = fd_planar_data->format_modifiers[i];
+ }
+
+ for (i = num_planes; i < GBM_MAX_PLANES; i++)
+ drv_data.fds[i] = -1;
+
+ break;
+ default:
+ return NULL;
+ }
+
+ if (!gbm_device_is_format_supported(gbm, gbm_format, usage))
+ return NULL;
+
+ bo = gbm_bo_new(gbm, gbm_format);
+
+ if (!bo)
+ return NULL;
+
+ bo->bo = drv_bo_import(gbm->drv, &drv_data);
+
+ if (!bo->bo) {
+ free(bo);
+ return NULL;
+ }
+
+ return bo;
+}
+
+PUBLIC void *gbm_bo_map(struct gbm_bo *bo, uint32_t x, uint32_t y, uint32_t width, uint32_t height,
+ uint32_t transfer_flags, uint32_t *stride, void **map_data, size_t plane)
+{
+ void *addr;
+ off_t offset;
+ uint32_t map_flags;
+ struct rectangle rect = { .x = x, .y = y, .width = width, .height = height };
+ if (!bo || width == 0 || height == 0 || !stride || !map_data)
+ return NULL;
+
+ map_flags = (transfer_flags & GBM_BO_TRANSFER_READ) ? BO_MAP_READ : BO_MAP_NONE;
+ map_flags |= (transfer_flags & GBM_BO_TRANSFER_WRITE) ? BO_MAP_WRITE : BO_MAP_NONE;
+
+ addr = drv_bo_map(bo->bo, &rect, map_flags, (struct mapping **)map_data, plane);
+ if (addr == MAP_FAILED)
+ return MAP_FAILED;
+
+ *stride = ((struct mapping *)*map_data)->vma->map_strides[plane];
+
+ offset = *stride * rect.y;
+ offset += drv_stride_from_format(bo->gbm_format, rect.x, plane);
+ return (void *)((uint8_t *)addr + offset);
+}
+
+PUBLIC void gbm_bo_unmap(struct gbm_bo *bo, void *map_data)
+{
+ assert(bo);
+ drv_bo_flush_or_unmap(bo->bo, map_data);