GPU: Added a command processor to decode the GPU pushbuffers and forward the commands to their respective engines.

src/video_core/engines/fermi_2d.h

@@ -0,0 +1,18 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Tegra {
+namespace Engines {
+namespace Fermi2D {
+
+void WriteReg(u32 method, u32 value);
+
+} // namespace Fermi2D
+
+} // namespace Engines
+} // namespace Tegra