struct nouveau_bo *
nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
struct nouveau_bo *bo = NULL;
int ret;
ret = nouveau_bo_user(dev, ptr, bytes, &bo);
if (ret)
return NULL;
return bo;
}
static struct pipe_buffer *
nouveau_pipe_bo_user_create(struct pipe_winsys *ws, void *ptr, unsigned bytes)
{
struct nouveau_pipe_winsys *nvpws = nouveau_pipe_winsys(ws);
struct nouveau_device *dev = nvpws->channel->device;
struct nouveau_pipe_buffer *nvbuf;
nvbuf = CALLOC_STRUCT(nouveau_pipe_buffer);
if (!nvbuf)
return NULL;
pipe_reference_init(&nvbuf->base.reference, 1);
nvbuf->base.size = bytes;
if (nouveau_bo_user(dev, ptr, bytes, &nvbuf->bo)) {
FREE(nvbuf);
return NULL;
}
return &nvbuf->base;
}