VRS - The Virtual Rendering System

version 3.3

sceneshapemanagergl.h

Go to the documentation of this file.

/******************************************************************************
 * VRS - The Virtual Rendering System
 * Copyright (C) 2000-2008 Computer Graphics Systems Group at the 
 * Hasso-Plattner-Institute (HPI), Potsdam, Germany.
 *
 * This  library  is  free  software; you can redistribute it and/or  modify it
 * under the terms of the GNU Lesser General Public  License  as  published  by
 * the  Free  Software  Foundation;  either  version 2.1 of the License, or (at
 * your option) any later version. This library  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 Lesser General Public License for more details. You should have received
 * a copy of the GNU Lesser+ General Public License along with this library; if
 * not, write to the FreeSoftware Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA, 02111-1307, USA.
 ******************************************************************************/

#include <vrs/sg/scenething.h>
#include <vrs/shape.h>

#ifndef VRS_OPENGL_SCENESHAPEMANAGERGL_H
#define VRS_OPENGL_SCENESHAPEMANAGERGL_H

namespace VRS {

    class SceneShapeGL;

    class VRS_CORE_API SceneShapeManagerGL :
        public SceneNode
    {
    public:
        VRS_TYPEINFO(SceneShapeManagerGL, SceneNode);
        VRS_SERIALIZABLE(SceneShapeManagerGL);
        
        struct OptimizationFlags {
            enum CullingMode { CM_Off, CM_BackFaces, CM_FrontFaces };
            VRS_SERIALIZABLE_CLASS_ENUM(CullingMode);

            OptimizationFlags() :
                hasTransparency(true),
                useStaticLighting(true),
                maxTextureAtlasSize(512), // create texture atlas if > 0
                allowTextureImageWrapping(true),
                allowTextureImageRepeating(true),
                scaleTextureImageToPow2(true),
                maxTextureImageSize(2048), // used for downscaling if > 0
                cullingMode(CM_Off),
                increasePrecision(true),
                maxVerticesPerPolygonSet(65535), // split the polygon sets if > 0
                allowPolygonSplitAlongAxisX(true),
                allowPolygonSplitAlongAxisY(true),
                allowPolygonSplitAlongAxisZ(true),
                useS3TextureCompression(true),
                allowRayIntersection(true),
                keepPolygonSets(false),
                optimizeForVertexCache(true),
                keepOnlyFinestLODLevel(false),
                useFakeLighting(false),
                fakeLightingMinIntensity(0.4),
                fakeLightingMaxIntensity(1.4),
                fakeLightingDirection(1.0, 0.0, 0.0)
            { }

            bool hasTransparency;
            bool useStaticLighting;
            unsigned int maxTextureAtlasSize;
            bool allowTextureImageWrapping;
            bool allowTextureImageRepeating;
            bool scaleTextureImageToPow2;
            unsigned int maxTextureImageSize;
            CullingMode cullingMode;
            bool increasePrecision;
            unsigned int maxVerticesPerPolygonSet;
            bool allowPolygonSplitAlongAxisX;
            bool allowPolygonSplitAlongAxisY;
            bool allowPolygonSplitAlongAxisZ;
            bool useS3TextureCompression;
            bool allowRayIntersection;
            bool keepPolygonSets;
            bool optimizeForVertexCache;
            bool keepOnlyFinestLODLevel;
            bool useFakeLighting;
            double fakeLightingMinIntensity;
            double fakeLightingMaxIntensity;
            Vector fakeLightingDirection;
        };

        SceneShapeManagerGL(
            SO<SceneThing> parent = NULL
        );

        virtual SO<SceneShapeGL> create(
            SO<SceneNode> scene,
            const OptimizationFlags& optFlags = OptimizationFlags()
        );

        virtual Bounds boundingBox(
            Engine* engine
        ) const;

        virtual void evaluate(
            Engine* engine
        );

        static SO<SceneNode> optimize(
            SO<SceneNode> scene,
            const OptimizationFlags& optFlags = OptimizationFlags()
        );

    public:
        class Impl;
    private:
        SO<Impl> m_impl;
    }; // class SceneShapeManagerGL

    class VRS_CORE_API SceneShapeGL :
        public Shape 
    {
    public:
        VRS_TYPEINFO(SceneShapeGL, Shape);
        VRS_SERIALIZABLE_ABSTRACT_CLASS(SceneShapeGL);

    public:
        virtual SO<SceneNode> scene() const = 0;

        virtual SceneShapeManagerGL::OptimizationFlags::CullingMode cullingMode() const = 0;
        virtual void cullingMode(SceneShapeManagerGL::OptimizationFlags::CullingMode cullingMode) = 0;

        virtual bool hasTransparency() const = 0;
        virtual void hasTransparency(bool hasTransparency) = 0;
    }; // class SceneShapeGL

} // namespace VRS

#endif // VRS_OPENGL_SCENESHAPEMANAGERGL_H

---

Generated on Wed May 23 06:00:13 2012 by Doxygen 1.5.6

© 2001-2010 Hasso-Plattner-Institut | Impressum | Contact