MultiMaterial.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _OGL_MULTIMATERIAL_H
#define _OGL_MULTIMATERIAL_H
/*
 * A generic material & program for simple uses
 * textured/untextured, vertex colors or no...
 *
 */
#include "MaterialGL.h"
#include "Program.h"
 
namespace Graphics {
 
    namespace OGL {
        class MultiProgram : public Program {
        public:
            MultiProgram(const MaterialDescriptor &, int numLights = 0);
        };
 
        class MultiMaterial : public Material { //unlit
        public:
            virtual Program *CreateProgram(const MaterialDescriptor &) override;
            virtual void Apply() override;
            virtual void Unapply() override;
        };
 
        /*
         * This material uses up to four variations of the Program,
         * one for each directional light
         */
        class LitMultiMaterial : public MultiMaterial {
        public:
            LitMultiMaterial();
            virtual Program *CreateProgram(const MaterialDescriptor &) override;
            virtual void SetProgram(Program *p) override;
            virtual void Apply() override;
 
        private:
            Program *m_programs[5];
            Uint32 m_curNumLights;
        };
    } // namespace OGL
} // namespace Graphics
 
#endif