GLProgramCache.h

#pragma once

#include <string>
#include <unordered_map>

#include "GLType.h"

namespace ParaEngine
{
    class GLProgram;

    class GLProgramCache : public CRefCountedOne
    {
    public:
        GLProgramCache();
        ~GLProgramCache();

        static GLProgramCache* getInstance();

        static void destroyInstance();

        static GLProgramCache* sharedShaderCache();

        static void purgeSharedShaderCache();

        void loadDefaultGLPrograms();
        void loadDefaultShaders() { loadDefaultGLPrograms(); }

        void reloadDefaultGLPrograms();
        void reloadDefaultShaders() { reloadDefaultGLPrograms(); }

        GLProgram * getGLProgram(const std::string &key);
        GLProgram * getProgram(const std::string &key) { return getGLProgram(key); }
        GLProgram * programForKey(const std::string &key) { return getGLProgram(key); }

        void addGLProgram(GLProgram* program, const std::string &key);
        void addProgram(GLProgram* program, const std::string &key) { addGLProgram(program, key); }

    private:
        bool init();
        void loadDefaultGLProgram(GLProgram *program, int type);

        //    Dictionary* _programs;
        std::unordered_map<std::string, GLProgram*> _programs;
    };
}