dolphin/Source/Plugins/Plugin_VideoDX9/Src/PixelShaderCache.h

// 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 _PIXELSHADERCACHE_H
#define _PIXELSHADERCACHE_H

#include "D3DBase.h"

#include <map>

#include "PixelShaderGen.h"
#include "VertexShaderGen.h"

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

typedef u32 tevhash;

tevhash GetCurrentTEV();

class PixelShaderCache
{
	struct PSCacheEntry
	{
		//LPDIRECT3DPIXELSHADER9 shader;
		CGprogram shader;

		int frameCount;
		PSCacheEntry()
		{
			shader = 0;
			frameCount = 0;
		}
		void Destroy()
		{
			if (shader) {
				cgD3D9UnloadProgram(shader);
				cgDestroyProgram(shader);
			//	shader->Release();
			}
			
		}
	};

	typedef std::map<PIXELSHADERUID, PSCacheEntry> PSCache;

	static PSCache PixelShaders;

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


#endif  // _PIXELSHADERCACHE_H