forked from dolphin-emu/dolphin
		
	git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@154 8ced0084-cf51-0410-be5f-012b33b47a6e
		
			
				
	
	
		
			134 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _VERTEXSHADERMANAGER_H
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#define _VERTEXSHADERMANAGER_H
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#include <map>
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#include "VertexShader.h"
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struct VERTEXSHADER
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{
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    VERTEXSHADER() : glprogid(0) {}
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    GLuint glprogid; // opengl program id
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#ifdef _DEBUG
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	std::string strprog;
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#endif
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};
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class VertexShaderMngr
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{
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    struct VSCacheEntry
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    { 
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        VERTEXSHADER shader;
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        int frameCount;
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        VSCacheEntry() : frameCount(0) {}
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        void Destroy() {
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			// printf("Destroying vs %i\n", shader.glprogid);
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            glDeleteProgramsARB(1, &shader.glprogid);
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			shader.glprogid = 0;
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        }
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    };
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    class VERTEXSHADERUID
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    {
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    public:
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        VERTEXSHADERUID() {
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			memset(values, 0, sizeof(values));		
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		}
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        VERTEXSHADERUID(const VERTEXSHADERUID& r) {
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			for(size_t i = 0; i < sizeof(values) / sizeof(u32); ++i) 
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				values[i] = r.values[i]; 
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		}
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        bool operator<(const VERTEXSHADERUID& _Right) const
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        {
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            if( values[0] < _Right.values[0] )
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                return true;
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            else if( values[0] > _Right.values[0] )
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                return false;
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            int N = (((values[0]>>23)&0xf)*3+3)/4 + 3; // numTexGens*3/4+1
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            for(int i = 1; i < N; ++i) {
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                if( values[i] < _Right.values[i] )
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                    return true;
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                else if( values[i] > _Right.values[i] )
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                    return false;
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            }
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            return false;
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        }
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        bool operator==(const VERTEXSHADERUID& _Right) const
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        {
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            if( values[0] != _Right.values[0] )
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                return false;
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            int N = (((values[0]>>23)&0xf)*3+3)/4 + 3; // numTexGens*3/4+1
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            for(int i = 1; i < N; ++i) {
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                if( values[i] != _Right.values[i] )
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                    return false;
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            }
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            return true;
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        }
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        u32 values[9];
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    };
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    typedef std::map<VERTEXSHADERUID,VSCacheEntry> VSCache;
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    static VSCache vshaders;
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    static VERTEXSHADER* pShaderLast;
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	static void GetVertexShaderId(VERTEXSHADERUID& uid, u32 components);
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	static void SetVSConstant4f(int const_number, float f1, float f2, float f3, float f4);
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	static void SetVSConstant4fv(int const_number, const float *f);
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public:
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    static void Init();
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    static void Cleanup();
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    static void Shutdown();
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    static VERTEXSHADER* GetShader(u32 components);
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    static bool CompileVertexShader(VERTEXSHADER& ps, const char* pstrprogram);
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    // constant management
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    static void SetConstants(VERTEXSHADER& vs);
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    static void SetViewport(float* _Viewport);
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    static void SetViewportChanged();
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    static void SetProjection(float* _pProjection, int constantIndex = -1);
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    static void InvalidateXFRange(int start, int end);
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    static void SetTexMatrixChangedA(u32 Value);
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    static void SetTexMatrixChangedB(u32 Value);
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    static  size_t SaveLoadState(char *ptr, BOOL save);
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    static void LoadXFReg(u32 transferSize, u32 address, u32 *pData);
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    static void LoadIndexedXF(u32 val, int array);
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    static float* GetPosNormalMat();
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    static float rawViewport[6];
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    static float rawProjection[7];
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};
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#endif
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