// Copyright (C) 2003 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/

#pragma once

#include <map>

// Common
#include "Common.h"
#include "LinearDiskCache.h"

// VideoCommon
#include "PixelShaderGen.h"
#include "VertexShaderGen.h"

// DX11
#include "DX11_D3DBase.h"

#include "../PixelShaderCache.h"

namespace DX11
{

class PixelShaderCache : public ::PixelShaderCacheBase
{
public:
	PixelShaderCache();
	~PixelShaderCache();

	void Clear();

	bool SetShader(bool dstAlpha);
	static bool InsertByteCode(const PIXELSHADERUID &uid, void* bytecode, unsigned int bytecodelen);

	static ID3D11PixelShader* GetColorMatrixProgram();
	static ID3D11PixelShader* GetColorCopyProgram();
	static ID3D11PixelShader* GetDepthMatrixProgram();
	static ID3D11PixelShader* GetClearProgram();

	void SetPSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4);
	void SetPSConstant4fv(unsigned int const_number, const float *f);
	void SetMultiPSConstant4fv(unsigned int const_number, unsigned int count, const float *f);

private:
	struct PSCacheEntry
	{
		ID3D11PixelShader* shader;
		int frameCount;

		PSCacheEntry() : shader(NULL), frameCount(0) {}
		void Destroy() { SAFE_RELEASE(shader); }
	};

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

	static PSCache PixelShaders;
	static const PSCacheEntry* last_entry;
};

}