Improve VideoSoftware save states. They are fairly stable, but not perfect. OpcodeDecoder::DoState() needs to be fixed.

Source/Plugins/Plugin_VideoSoftware/Src/Rasterizer.h

@@ -19,6 +19,7 @@
 #define _RASTERIZER_H_
 
 #include "NativeVertexFormat.h"
+#include "ChunkFile.h"
 
 namespace Rasterizer
 {
@@ -37,6 +38,12 @@ namespace Rasterizer
         float f0;
 
 		float GetValue(float dx, float dy) { return f0 + (dfdx * dx) + (dfdy * dy); }
+		void DoState(PointerWrap &p)
+		{
+			p.Do(dfdx);
+			p.Do(dfdy);
+			p.Do(f0);
+		}
     };
 
 	struct RasterBlockPixel
@@ -53,6 +60,8 @@ namespace Rasterizer
 		s32 TextureLod[16];
 		bool TextureLinear[16];
 	};
+
+	void DoState(PointerWrap &p);
     
 }