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framebuffer.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef GRAPHICS_OPENGL_FRAMEBUFFER_H
00024 #define GRAPHICS_OPENGL_FRAMEBUFFER_H
00025 
00026 #include "graphics/opengl/system_headers.h"
00027 #include "graphics/opengl/texture.h"
00028 
00029 namespace OpenGL {
00030 
00031 class FrameBuffer : public Texture {
00032 public:
00033     FrameBuffer(uint width, uint height);
00034     FrameBuffer(GLuint texture_name, uint width, uint height, uint texture_width, uint texture_height);
00035 #ifdef AMIGAOS
00036     virtual ~FrameBuffer() {}
00037 
00038     void attach() {}
00039     void detach() {}
00040 #else
00041     virtual ~FrameBuffer();
00042 
00043     virtual void attach();
00044     virtual void detach();
00045 #endif
00046 
00047 protected:
00048     GLuint getFrameBufferName() const { return _frameBuffer; }
00049 
00050 private:
00051     void init();
00052     GLuint _renderBuffers[2];
00053     GLuint _frameBuffer;
00054 };
00055 
00056 #if !defined(USE_GLES2) && !defined(AMIGAOS)
00057 class MultiSampleFrameBuffer : public FrameBuffer {
00058 public:
00059     MultiSampleFrameBuffer(uint width, uint height, int samples);
00060     virtual ~MultiSampleFrameBuffer();
00061 
00062     virtual void attach();
00063     virtual void detach();
00064 
00065 private:
00066     void init();
00067     GLuint _msFrameBufferId;
00068     GLuint _msColorId;
00069     GLuint _msDepthId;
00070     GLuint _msSamples;
00071 };
00072 #endif
00073 
00074 } // End of namespace OpenGL
00075 
00076 #endif


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