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nux  3.0.0
IOpenGLCubeTexture.h
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00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #ifndef IOPENGLCUBETEXTURE_H
00024 #define IOPENGLCUBETEXTURE_H
00025 
00026 namespace nux
00027 {
00028 
00029   class IOpenGLBaseTexture;
00030   class IOpenGLCubeTexture: public IOpenGLBaseTexture
00031   {
00032     NUX_DECLARE_OBJECT_TYPE(IOpenGLCubeTexture, IOpenGLBaseTexture);
00033 
00034   public:
00035     virtual ~IOpenGLCubeTexture();
00036 
00037     int GetCubeMapSurface(
00038       eCUBEMAP_FACES FaceType,
00039       int Level,
00040       IOpenGLSurface **ppCubeMapSurface
00041     );
00042 
00043     int LockRect(
00044       eCUBEMAP_FACES FaceType,
00045       int Level,
00046       SURFACE_LOCKED_RECT *pLockedRect,
00047       const SURFACE_RECT *pRect);
00048 
00049     int UnlockRect(
00050       eCUBEMAP_FACES FaceType,
00051       int Level
00052     );
00053 
00054     unsigned int EnableGammaCorrection(bool b);
00055 
00056     int GetLevelDesc(
00057       int Level,
00058       SURFACE_DESC *pDesc
00059     )
00060     {
00061       nuxAssert(Level >= 0 );
00062       nuxAssert(Level < _NumMipLevel);
00063 
00064       if ((Level < 0) || (Level > _NumMipLevel))
00065       {
00066         pDesc->Width    = 0;
00067         pDesc->Height   = 0;
00068         pDesc->PixelFormat   = BITFMT_UNKNOWN;
00069         pDesc->Type     = _ResourceType;
00070       }
00071       else
00072       {
00073         pDesc->Width    = Max<unsigned int> (1, _Width >> Level);
00074         pDesc->Height   = Max<unsigned int> (1, _Height >> Level);
00075         pDesc->PixelFormat   = _PixelFormat;
00076         pDesc->Type     = _ResourceType;
00077       }
00078 
00079       return OGL_OK;
00080     }
00081   private:
00082 
00083     IOpenGLCubeTexture(
00084       unsigned int EdgeLength
00085       , int Levels
00086       , BitmapFormat PixelFormat);
00087 
00088     //    unsigned int        _Width;
00089     //    unsigned int        _Height;
00090     std::map<eCUBEMAP_FACES, std::vector<IOpenGLSurface *>* > _SurfaceArray;
00091 
00092     friend class GpuDevice;
00093     friend class IOpenGLSurface;
00094   };
00095 
00096 }
00097 #endif // IOPENGLCUBETEXTURE_H