BL_BlenderShader.h

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/*
 * $Id: BL_BlenderShader.h 35063 2011-02-22 10:33:14Z jesterking $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) Blender Foundation
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef __BL_GPUSHADER_H__
#define __BL_GPUSHADER_H__

#include "GPU_material.h"

#include "MT_Matrix4x4.h"
#include "MT_Matrix3x3.h"
#include "MT_Tuple2.h"
#include "MT_Tuple3.h"
#include "MT_Tuple4.h"

#include "RAS_IPolygonMaterial.h"

#include "KX_Scene.h"

struct Material;
struct Scene;
class BL_Material;

#define BL_MAX_ATTRIB   16

class BL_BlenderShader
{
private:
        KX_Scene                *mScene;
        struct Scene    *mBlenderScene;
        struct Material *mMat;
        int                             mLightLayer;
        int                             mBlendMode;
        GPUMaterial     *mGPUMat;

        bool                    VerifyShader() 
        {
                return (NULL != mGPUMat);
        }

public:
        BL_BlenderShader(KX_Scene *scene, struct Material *ma, int lightlayer);
        virtual ~BL_BlenderShader();

        bool                            Ok()
        {
                // same as VerifyShared
                return (NULL != mGPUMat);
        }
        void                            SetProg(bool enable, double time=0.0);

        int GetAttribNum();
        void SetAttribs(class RAS_IRasterizer* ras, const BL_Material *mat);
        void Update(const class RAS_MeshSlot & ms, class RAS_IRasterizer* rasty);
        void ReloadMaterial();
        int GetBlendMode();

        void SetScene(KX_Scene *scene)
        {
                mScene = scene;
                mBlenderScene = scene->GetBlenderScene();
                ReloadMaterial();
        }

        bool Equals(BL_BlenderShader *blshader);
        
        
#ifdef WITH_CXX_GUARDEDALLOC
public:
        void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:BL_BlenderShader"); }
        void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif//__BL_GPUSHADER_H__