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

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// 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/
#ifndef _PIXELSHADERCACHE_H_
#define _PIXELSHADERCACHE_H_
#include <map>
#include <string>
#include "BPMemory.h"
#include "PixelShaderGen.h"
struct FRAGMENTSHADER
{
FRAGMENTSHADER() : glprogid(0) { }
void Destroy()
{
if (glprogid)
{
glDeleteProgramsARB(1, &glprogid);
glprogid = 0;
}
}
GLuint glprogid; // opengl program id
#if defined(_DEBUG) || defined(DEBUGFAST)
std::string strprog;
#endif
};
class PixelShaderCache
{
struct PSCacheEntry
{
FRAGMENTSHADER shader;
int frameCount;
PSCacheEntry() : frameCount(0) {}
~PSCacheEntry() {}
void Destroy()
{
shader.Destroy();
}
};
typedef std::map<PIXELSHADERUID, PSCacheEntry> PSCache;
static PSCache pshaders;
static PIXELSHADERUID s_curuid; // the current pixel shader uid (progressively changed as memory is written)
static bool s_displayCompileAlert;
static GLuint CurrentShader;
static bool ShaderEnabled;
public:
static void Init();
static void ProgressiveCleanup();
static void Shutdown();
static FRAGMENTSHADER* GetShader(bool dstAlphaEnable);
static bool CompilePixelShader(FRAGMENTSHADER& ps, const char* pstrprogram);
static GLuint GetColorMatrixProgram();
static GLuint GetDepthMatrixProgram();
static void SetCurrentShader(GLuint Shader);
static void DisableShader();
static void EnableShader(GLuint Shader);
};
#endif // _PIXELSHADERCACHE_H_