983         int next_buffer = -1;  in NineSwapChain9_Present()  local
985         while (next_buffer == -1) {  in NineSwapChain9_Present()
991                     next_buffer = i;  in NineSwapChain9_Present()
995             if (next_buffer == -1) {  in NineSwapChain9_Present()
1002         if (This->tasks[next_buffer])  in NineSwapChain9_Present()
1003             _mesa_threadpool_wait_for_task(This->pool, &(This->tasks[next_buffer]));  in NineSwapChain9_Present()
1004         assert(!*This->pending_presentation[next_buffer] && !This->tasks[next_buffer]);  in NineSwapChain9_Present()
1005         This->tasks[next_buffer] = This->tasks[0];  in NineSwapChain9_Present()
1007         pending_presentation_temp = This->pending_presentation[next_buffer];  in NineSwapChain9_Present()
1008         This->pending_presentation[next_buffer] = This->pending_presentation[0];  in NineSwapChain9_Present()
1014             This->buffers[0], This->buffers[next_buffer]->base.resource);  in NineSwapChain9_Present()
1016             This->buffers[next_buffer], res);  in NineSwapChain9_Present()
1021             pipe_resource_reference(&This->present_buffers[0], This->present_buffers[next_buffer]);  in NineSwapChain9_Present()
1022             pipe_resource_reference(&This->present_buffers[next_buffer], res);  in NineSwapChain9_Present()
1027         This->present_handles[0] = This->present_handles[next_buffer];  in NineSwapChain9_Present()
1028         This->present_handles[next_buffer] = handle_temp;  in NineSwapChain9_Present()