nux-0.9.48
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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 IOPENGLRECTANGLETEXTURE_H 00024 #define IOPENGLRECTANGLETEXTURE_H 00025 00026 namespace nux 00027 { 00028 00029 class IOpenGLBaseTexture; 00030 class IOpenGLRectangleTexture: public IOpenGLBaseTexture 00031 { 00032 NUX_DECLARE_OBJECT_TYPE (IOpenGLRectangleTexture, IOpenGLBaseTexture); 00033 00034 public: 00035 virtual ~IOpenGLRectangleTexture(); 00036 00037 void GetSurfaceLevel (int Level, ObjectPtr<IOpenGLSurface>& surface); 00038 ObjectPtr<IOpenGLSurface> GetSurfaceLevel (int Level); 00039 00040 int LockRect ( 00041 int Level, 00042 SURFACE_LOCKED_RECT *pLockedRect, 00043 const SURFACE_RECT *pRect); 00044 00045 int UnlockRect ( 00046 int Level 00047 ); 00048 unsigned int EnableGammaCorrection (bool b); 00049 00050 int GetLevelDesc ( 00051 int Level, 00052 SURFACE_DESC *pDesc 00053 ) 00054 { 00055 nuxAssert (Level >= 0); 00056 nuxAssert (Level < _NumMipLevel); 00057 00058 if ((Level < 0) || (Level > _NumMipLevel)) 00059 { 00060 pDesc->Width = 0; 00061 pDesc->Height = 0; 00062 pDesc->PixelFormat = BITFMT_UNKNOWN; 00063 pDesc->Type = _ResourceType; 00064 } 00065 else 00066 { 00067 pDesc->Width = Max<unsigned int> (1, _Width >> Level); 00068 pDesc->Height = Max<unsigned int> (1, _Height >> Level); 00069 pDesc->PixelFormat = _PixelFormat; 00070 pDesc->Type = _ResourceType; 00071 } 00072 00073 return OGL_OK;; 00074 } 00075 00077 virtual void* GetSurfaceData (int level, int &width, int &height, int &format); 00078 00079 private: 00080 00081 // The Dummy boolean is used to create a skeletal frame for the default 00082 // render target texture and surface; Only GpuDevice uses it in its constructor. 00083 // Do not use it otherwise!!! 00084 00085 IOpenGLRectangleTexture ( 00086 unsigned int Width 00087 , unsigned int Height 00088 , unsigned int Levels 00089 , BitmapFormat PixelFormat, bool Dummy = false, NUX_FILE_LINE_PROTO); 00090 00091 // unsigned int _Width; 00092 // unsigned int _Height; 00093 std::vector< ObjectPtr<IOpenGLSurface> > _SurfaceArray; 00094 friend class GpuDevice; 00095 friend class IOpenGLSurface; 00096 }; 00097 00098 } 00099 00100 #endif // IOPENGLRECTANGLETEXTURE_H