diff options
| -rw-r--r-- | omap/omap_drm.c | 32 | ||||
| -rw-r--r-- | omap/omap_drmif.h | 1 |
2 files changed, 33 insertions, 0 deletions
diff --git a/omap/omap_drm.c b/omap/omap_drm.c index 464dea9c..1d37e451 100644 --- a/omap/omap_drm.c +++ b/omap/omap_drm.c @@ -218,6 +218,38 @@ fail: return NULL; } +/* import a buffer from dmabuf fd, does not take ownership of the + * fd so caller should close() the fd when it is otherwise done + * with it (even if it is still using the 'struct omap_bo *') + */ +struct omap_bo * omap_bo_from_dmabuf(struct omap_device *dev, int fd) +{ + struct omap_bo *bo; + struct drm_prime_handle req = { + .fd = fd, + }; + int ret; + + bo = calloc(sizeof(*bo), 1); + if (!bo) { + goto fail; + } + + ret = drmIoctl(dev->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &req); + if (ret) { + goto fail; + } + + bo->dev = dev; + bo->handle = req.handle; + + return bo; + +fail: + free(bo); + return NULL; +} + /* destroy a buffer object */ void omap_bo_del(struct omap_bo *bo) { diff --git a/omap/omap_drmif.h b/omap/omap_drmif.h index 1e03eee1..284b9ccc 100644 --- a/omap/omap_drmif.h +++ b/omap/omap_drmif.h @@ -50,6 +50,7 @@ struct omap_bo * omap_bo_new(struct omap_device *dev, struct omap_bo * omap_bo_new_tiled(struct omap_device *dev, uint32_t width, uint32_t height, uint32_t flags); struct omap_bo * omap_bo_from_name(struct omap_device *dev, uint32_t name); +struct omap_bo * omap_bo_from_dmabuf(struct omap_device *dev, int fd); void omap_bo_del(struct omap_bo *bo); int omap_bo_get_name(struct omap_bo *bo, uint32_t *name); uint32_t omap_bo_handle(struct omap_bo *bo); |