OgreGLRenderTexture.h
Go to the documentation of this file.
00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2012 Torus Knot Software Ltd
00008 
00009 Permission is hereby granted, free of charge, to any person obtaining a copy
00010 of this software and associated documentation files (the "Software"), to deal
00011 in the Software without restriction, including without limitation the rights
00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00013 copies of the Software, and to permit persons to whom the Software is
00014 furnished to do so, subject to the following conditions:
00015 
00016 The above copyright notice and this permission notice shall be included in
00017 all copies or substantial portions of the Software.
00018 
00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00025 THE SOFTWARE.
00026 -----------------------------------------------------------------------------
00027 */
00028 
00029 #ifndef __GLRENDERTEXTURE_H__
00030 #define __GLRENDERTEXTURE_H__
00031 
00032 #include "OgreGLTexture.h"
00033 
00034 namespace Ogre {
00037     struct _OgrePrivate GLSurfaceDesc
00038     {
00039     public:
00040         GLHardwarePixelBuffer *buffer;
00041         size_t zoffset;
00042         uint numSamples;
00043 
00044         GLSurfaceDesc() :buffer(0), zoffset(0), numSamples(0) {}
00045     };
00046     
00049     class _OgreGLExport GLRenderTexture: public RenderTexture
00050     {
00051     public:
00052         GLRenderTexture(const String &name, const GLSurfaceDesc &target, bool writeGamma, uint fsaa);
00053         virtual ~GLRenderTexture();
00054         
00055         bool requiresTextureFlipping() const { return true; }
00056 
00057         static const String CustomAttributeString_FBO;
00058         static const String CustomAttributeString_TARGET;
00059         static const String CustomAttributeString_GLCONTEXT;
00060     };
00061     
00064     class _OgreGLExport GLRTTManager: public Singleton<GLRTTManager>
00065     {
00066     public:
00067         virtual ~GLRTTManager();
00068         
00071         virtual RenderTexture *createRenderTexture(const String &name, const GLSurfaceDesc &target, bool writeGamma, uint fsaa) = 0;
00072         
00075         virtual bool checkFormat(PixelFormat format) = 0;
00076         
00079         virtual void bind(RenderTarget *target) = 0;
00080         
00085         virtual void unbind(RenderTarget *target) = 0;
00086 
00087         virtual void getBestDepthStencil(GLenum internalFormat, GLenum *depthFormat, GLenum *stencilFormat)
00088         {
00089             *depthFormat = GL_NONE;
00090             *stencilFormat = GL_NONE;
00091         }
00092 
00095         virtual MultiRenderTarget* createMultiRenderTarget(const String & name);
00096         
00099         virtual PixelFormat getSupportedAlternative(PixelFormat format);
00100     };
00101     
00104     class GLCopyingRTTManager;
00105     class _OgreGLExport GLCopyingRenderTexture: public GLRenderTexture
00106     {
00107     public:
00108         GLCopyingRenderTexture(GLCopyingRTTManager *manager, const String &name, const GLSurfaceDesc &target, 
00109             bool writeGamma, uint fsaa);
00110         
00111         virtual void getCustomAttribute(const String& name, void* pData);
00112     };
00113     
00117     class _OgreGLExport GLCopyingRTTManager: public GLRTTManager
00118     {
00119     public:
00120         GLCopyingRTTManager();
00121         virtual ~GLCopyingRTTManager();
00122         
00125         virtual RenderTexture *createRenderTexture(const String &name, const GLSurfaceDesc &target, bool writeGamma, uint fsaa);
00126         
00129         virtual bool checkFormat(PixelFormat format);
00130         
00133         virtual void bind(RenderTarget *target);
00134         
00137         virtual void unbind(RenderTarget *target);
00138     };
00139 }
00140 
00141 #endif // __GLTEXTURE_H__

Copyright © 2012 Torus Knot Software Ltd
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21