OgreGLRenderTexture.h
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    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
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21