GPU: Process command mode 5 (IncreaseOnce) differently from other commands.

Accumulate all arguments before calling the desired method.

Note: Maybe we should do the same for the NonIncreasing mode?

src/video_core/engines/fermi_2d.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <vector>
 #include "common/common_types.h"
 
 namespace Tegra {
@@ -16,6 +17,13 @@ public:
 
     /// Write the value to the register identified by method.
     void WriteReg(u32 method, u32 value);
+
+    /**
+     * Handles a method call to this engine.
+     * @param method Method to call
+     * @param parameters Arguments to the method call
+     */
+    void CallMethod(u32 method, const std::vector<u32>& parameters);
 };
 
 } // namespace Engines