/*
* Validate a buffer handle and return the associated bo.
*/
static struct gralloc_drm_bo_t *validate_handle(buffer_handle_t _handle,
struct gralloc_drm_t *drm)
{
struct gralloc_drm_handle_t *handle = gralloc_drm_handle(_handle);
if (!handle)
return NULL;
/* the buffer handle is passed to a new process */
if (unlikely(handle->data_owner != gralloc_drm_pid)) {
struct gralloc_drm_bo_t *bo;
/* check only */
if (!drm)
return NULL;
/* create the struct gralloc_drm_bo_t locally */
if (handle->name)
bo = drm->drv->alloc(drm->drv, handle);
else /* an invalid handle */
bo = NULL;
if (bo) {
bo->drm = drm;
bo->imported = 1;
bo->handle = handle;
}
handle->data_owner = gralloc_drm_get_pid();
handle->data = (int) bo;
}
return (struct gralloc_drm_bo_t *) handle->data;
}
static int
get_native_buffer_name(struct ANativeWindowBuffer *buf)
{
struct gralloc_drm_handle_t *handle;
/* check that the buffer is allocated by drm_gralloc and cast */
handle = gralloc_drm_handle(buf->handle);
return (handle) ? handle->name : 0;
}
static int
get_handle_name(buffer_handle_t handle)
{
struct gralloc_drm_handle_t *dh;
/* check that the buffer is allocated by drm_gralloc and cast */
dh = gralloc_drm_handle(handle);
return (dh) ? dh->name : 0;
}
/*
* So that Mesa/EGL can get to the GEM name.
*/
int
gralloc_drm_gem_name(buffer_handle_t _handle)
{
struct gralloc_drm_handle_t *handle = gralloc_drm_handle(_handle);
if (handle)
return handle->name;
else
return 0;
}