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

109 lines
2.6 KiB
C++

// 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 _ProgramShaderCache_H_
#define _ProgramShaderCache_H_
#include "GLUtil.h"
#include "VertexShaderCache.h"
#include "PixelShaderCache.h"
#include "PixelShaderGen.h"
#include "VertexShaderGen.h"
union PID
{
struct {
GLuint vsid, psid;
};
u64 id;
};
class PROGRAMUID
{
public:
PID uid;
PROGRAMUID()
{
uid.id = 0;
}
PROGRAMUID(const PROGRAMUID& r)
{
uid.id = r.uid.id;
}
PROGRAMUID(GLuint _v, GLuint _p)
{
uid.vsid = _v;
uid.psid = _p;
}
int GetNumValues() const
{
return uid.id;
}
};
void GetProgramShaderId(PROGRAMUID *uid, GLuint _v, GLuint _p);
namespace OGL
{
#define NUM_UNIFORMS 27
extern const char *UniformNames[NUM_UNIFORMS];
struct PROGRAMSHADER
{
PROGRAMSHADER() : glprogid(0), vsid(0), psid(0){}
GLuint glprogid; // opengl program id
GLuint vsid, psid;
GLint attrLoc[3];
GLint UniformLocations[NUM_UNIFORMS];
};
class ProgramShaderCache
{
struct PCacheEntry
{
PROGRAMSHADER program;
int frameCount;
PCacheEntry() : frameCount(0) {}
void Destroy() {
glDeleteProgram(program.glprogid);
program.glprogid = 0;
}
};
typedef std::map<std::pair<u64, u64>, PCacheEntry> PCache;
static PCache pshaders;
static GLuint CurrentFShader, CurrentVShader, CurrentProgram;
static std::pair<u64, u64> CurrentShaderProgram;
public:
static PROGRAMSHADER GetShaderProgram();
static GLint GetAttr(int num);
static void SetBothShaders(GLuint PS, GLuint VS);
static GLuint GetCurrentProgram(void);
static void Shutdown(void);
};
} // namespace OGL
#endif