OgreGLFrameBufferObject.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 #ifndef __OgreGLFBO_H__
    00029 #define __OgreGLFBO_H__
    00030
    00031 #include "OgreGLRenderTexture.h"
    00032 #include "OgreGLContext.h"
    00033
    00034 namespace Ogre {
    00035
    00038     class _OgreGLExport GLFrameBufferObject
    00039     {
    00040     public:
    00041         GLFrameBufferObject(GLFBOManager *manager, uint fsaa);
    00042         ~GLFrameBufferObject();
    00043
    00047         void bindSurface(size_t attachment, const GLSurfaceDesc &target);
    00050         void unbindSurface(size_t attachment);
    00051
    00054         void bind();
    00055
    00058         void swapBuffers();
    00059
    00065         void attachDepthBuffer( DepthBuffer *depthBuffer );
    00066         void detachDepthBuffer();
    00067
    00069         GLuint getGLFBOID() const { return mFB; }
    00071         GLuint getGLMultisampleFBOID() const { return mMultisampleFB; }
    00072
    00074         size_t getWidth();
    00075         size_t getHeight();
    00076         PixelFormat getFormat();
    00077         GLsizei getFSAA();
    00078
    00079         GLFBOManager *getManager() { return mManager; }
    00080         const GLSurfaceDesc &getSurface(size_t attachment) { return mColour[attachment]; }
    00081     private:
    00082         GLFBOManager *mManager;
    00083         GLsizei mNumSamples;
    00084         GLuint mFB;
    00085         GLuint mMultisampleFB;
    00086         GLSurfaceDesc mMultisampleColourBuffer;
    00087         GLSurfaceDesc mDepth;
    00088         GLSurfaceDesc mStencil;
    00089         // Arbitrary number of texture surfaces
    00090         GLSurfaceDesc mColour[OGRE_MAX_MULTIPLE_RENDER_TARGETS];
    00091
    00092
    00100         void initialise();
    00101     };
    00102
    00103 }
    00104
    00105 #endif

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