// Copyright (C) 2003-2008 Dolphin Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/

#ifndef _VERTEXSHADERCACHE_H
#define _VERTEXSHADERCACHE_H

#include "D3DBase.h"

#include <map>

#include "D3DBase.h"
#include "VertexShaderGen.h"

#include <Cg/cg.h>
#include <Cg/cgD3D9.h>

class VertexShaderCache
{
	struct VSCacheEntry
	{ 
		//LPDIRECT3DVERTEXSHADER9 shader;
		CGprogram shader;
		int frameCount;
		VSCacheEntry()
		{
			shader = 0;
			frameCount = 0;
		}
		void Destroy()
		{
			if (shader) {
				cgD3D9UnloadProgram(shader);
				cgDestroyProgram(shader);
				//	shader->Release();
			}
		}
	};

	typedef std::map<VERTEXSHADERUID, VSCacheEntry> VSCache;

	static VSCache vshaders;

public:
	static void Init();
	static void Cleanup();
	static void Shutdown();
	static void SetShader(u32 components);
	static CGprogram CompileCgShader(const char *pstrprogram);
};

#endif  // _VERTEXSHADERCACHE_H