示例#1
0
void SyncGPU(SyncGPUReason reason, bool may_move_read_ptr)
{
	if (g_use_deterministic_gpu_thread)
	{
		s_gpu_mainloop.Wait();
		if (!s_gpu_mainloop.IsRunning())
			return;

		// Opportunistically reset FIFOs so we don't wrap around.
		if (may_move_read_ptr && s_fifo_aux_write_ptr != s_fifo_aux_read_ptr)
			PanicAlert("aux fifo not synced (%p, %p)", s_fifo_aux_write_ptr, s_fifo_aux_read_ptr);

		memmove(s_fifo_aux_data, s_fifo_aux_read_ptr, s_fifo_aux_write_ptr - s_fifo_aux_read_ptr);
		s_fifo_aux_write_ptr -= (s_fifo_aux_read_ptr - s_fifo_aux_data);
		s_fifo_aux_read_ptr = s_fifo_aux_data;

		if (may_move_read_ptr)
		{
			u8* write_ptr = s_video_buffer_write_ptr;

			// what's left over in the buffer
			size_t size = write_ptr - s_video_buffer_pp_read_ptr;

			memmove(s_video_buffer, s_video_buffer_pp_read_ptr, size);
			// This change always decreases the pointers.  We write seen_ptr
			// after write_ptr here, and read it before in RunGpuLoop, so
			// 'write_ptr > seen_ptr' there cannot become spuriously true.
			s_video_buffer_write_ptr = write_ptr = s_video_buffer + size;
			s_video_buffer_pp_read_ptr = s_video_buffer;
			s_video_buffer_read_ptr = s_video_buffer;
			s_video_buffer_seen_ptr = write_ptr;
		}
	}
}
示例#2
0
void FlushGpu()
{
	const SConfig& param = SConfig::GetInstance();

	if (!param.bCPUThread || g_use_deterministic_gpu_thread)
		return;

	s_gpu_mainloop.Wait();
}