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"
namespace OGL
{
struct FRAGMENTSHADER
{
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FRAGMENTSHADER() : glprogid(0), bGLSL(0) { }
void Destroy()
{
if (glprogid)
{
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if(bGLSL)
glDeleteShader(glprogid);
else
glDeleteProgramsARB(1, &glprogid);
glprogid = 0;
}
}
GLuint glprogid; // opengl program id
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bool bGLSL;
std::string strprog;
};
class PixelShaderCache
{
struct PSCacheEntry
{
FRAGMENTSHADER shader;
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PSCacheEntry() {}
~PSCacheEntry() {}
void Destroy()
{
shader.Destroy();
}
PIXELSHADERUIDSAFE safe_uid;
};
typedef std::map<PIXELSHADERUID, PSCacheEntry> PSCache;
static PSCache PixelShaders;
static PIXELSHADERUID s_curuid; // the current pixel shader uid (progressively changed as memory is written)
static bool s_displayCompileAlert;
static GLuint CurrentShader;
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static PSCacheEntry* last_entry;
static PIXELSHADERUID last_uid;
static bool ShaderEnabled;
public:
static void Init();
static void Shutdown();
// This is a GLSL only function
static void SetPSSampler(const char * name, unsigned int Tex);
static FRAGMENTSHADER* SetShader(DSTALPHA_MODE dstAlphaMode, u32 components);
static bool CompilePixelShader(FRAGMENTSHADER& ps, const char* pstrprogram);
static GLuint GetColorMatrixProgram();
static GLuint GetDepthMatrixProgram();
static bool SupportsBinding();
static void SetCurrentShader(GLuint Shader);
static void DisableShader();
};
// GLSL Specific
void SetGLSLPSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4);
void SetGLSLPSConstant4fv(unsigned int const_number, const float *f);
void SetMultiGLSLPSConstant4fv(unsigned int const_number, unsigned int count, const float *f);
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bool CompileGLSLPixelShader(FRAGMENTSHADER& ps, const char* pstrprogram);
//CG Specific
void SetCGPSConstant4f(unsigned int const_number, float f1, float f2, float f3, float f4);
void SetCGPSConstant4fv(unsigned int const_number, const float *f);
void SetMultiCGPSConstant4fv(unsigned int const_number, unsigned int count, const float *f);
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bool CompileCGPixelShader(FRAGMENTSHADER& ps, const char* pstrprogram);
} // namespace OGL
#endif // _PIXELSHADERCACHE_H_