BL_BlenderShader.h

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/*
 * ***** 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             mAlphaBlend;
    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 GetAlphaBlend();

    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__