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<div class="title">CEGUIOpenGLGLXPBTextureTarget.h</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/***********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> filename: CEGUIOpenGLGLXPBTextureTarget.h</span>
<a name="l00003"></a>00003 <span class="comment"> created: Sat Jan 31 2009</span>
<a name="l00004"></a>00004 <span class="comment"> author: Paul D Turner</span>
<a name="l00005"></a>00005 <span class="comment">*************************************************************************/</span>
<a name="l00006"></a>00006 <span class="comment">/***************************************************************************</span>
<a name="l00007"></a>00007 <span class="comment"> * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining</span>
<a name="l00010"></a>00010 <span class="comment"> * a copy of this software and associated documentation files (the</span>
<a name="l00011"></a>00011 <span class="comment"> * "Software"), to deal in the Software without restriction, including</span>
<a name="l00012"></a>00012 <span class="comment"> * without limitation the rights to use, copy, modify, merge, publish,</span>
<a name="l00013"></a>00013 <span class="comment"> * distribute, sublicense, and/or sell copies of the Software, and to</span>
<a name="l00014"></a>00014 <span class="comment"> * permit persons to whom the Software is furnished to do so, subject to</span>
<a name="l00015"></a>00015 <span class="comment"> * the following conditions:</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * The above copyright notice and this permission notice shall be</span>
<a name="l00018"></a>00018 <span class="comment"> * included in all copies or substantial portions of the Software.</span>
<a name="l00019"></a>00019 <span class="comment"> *</span>
<a name="l00020"></a>00020 <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span>
<a name="l00021"></a>00021 <span class="comment"> * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span>
<a name="l00022"></a>00022 <span class="comment"> * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.</span>
<a name="l00023"></a>00023 <span class="comment"> * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR</span>
<a name="l00024"></a>00024 <span class="comment"> * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,</span>
<a name="l00025"></a>00025 <span class="comment"> * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR</span>
<a name="l00026"></a>00026 <span class="comment"> * OTHER DEALINGS IN THE SOFTWARE.</span>
<a name="l00027"></a>00027 <span class="comment"> ***************************************************************************/</span>
<a name="l00028"></a>00028 <span class="preprocessor">#ifndef _CEGUIOpenGLGLXPBTextureTarget_h_</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define _CEGUIOpenGLGLXPBTextureTarget_h_</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <GL/glxew.h></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#include "CEGUIOpenGLTextureTarget.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "../../CEGUIRect.h"</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment">// Start of CEGUI namespace section</span>
<a name="l00037"></a>00037 <span class="keyword">namespace </span>CEGUI
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keyword">class </span>OpenGLTexture;
<a name="l00040"></a>00040
<a name="l00046"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html">00046</a> <span class="keyword">class </span>OPENGL_GUIRENDERER_API <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html" title="OpenGLGLXPBTextureTarget - allows rendering to an OpenGL texture via the pbuffer provided in GLX 1...">OpenGLGLXPBTextureTarget</a> : <span class="keyword">public</span> <a class="code" href="classCEGUI_1_1OpenGLTextureTarget.html" title="OpenGLTextureTarget - Common base class for all OpenGL render targets based on some form of RTT suppo...">OpenGLTextureTarget</a>
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keyword">public</span>:
<a name="l00049"></a>00049 <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html" title="OpenGLGLXPBTextureTarget - allows rendering to an OpenGL texture via the pbuffer provided in GLX 1...">OpenGLGLXPBTextureTarget</a>(<a class="code" href="classCEGUI_1_1OpenGLRenderer.html" title="Renderer class to interface with OpenGL.">OpenGLRenderer</a>& owner);
<a name="l00050"></a>00050 <span class="keyword">virtual</span> ~<a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html" title="OpenGLGLXPBTextureTarget - allows rendering to an OpenGL texture via the pbuffer provided in GLX 1...">OpenGLGLXPBTextureTarget</a>();
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="comment">// overrides from OpenGLRenderTarget</span>
<a name="l00053"></a>00053 <span class="keywordtype">void</span> activate();
<a name="l00054"></a>00054 <span class="keywordtype">void</span> deactivate();
<a name="l00055"></a>00055 <span class="comment">// implementation of TextureTarget interface</span>
<a name="l00056"></a>00056 <span class="keywordtype">void</span> clear();
<a name="l00057"></a>00057 <span class="keywordtype">void</span> declareRenderSize(<span class="keyword">const</span> <a class="code" href="classCEGUI_1_1Size.html" title="Class that holds the size (width & height) of something.">Size</a>& sz);
<a name="l00058"></a>00058 <span class="comment">// specialise functions from OpenGLTextureTarget</span>
<a name="l00059"></a>00059 <span class="keywordtype">void</span> grabTexture();
<a name="l00060"></a>00060 <span class="keywordtype">void</span> restoreTexture();
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">protected</span>:
<a name="l00064"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a84686f55833bfa2a34152d7c60e9e360">00064</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">float</span> <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a84686f55833bfa2a34152d7c60e9e360" title="default size of created texture objects">DEFAULT_SIZE</a>;
<a name="l00065"></a>00065
<a name="l00067"></a>00067 <span class="keywordtype">void</span> initialisePBuffer();
<a name="l00068"></a>00068
<a name="l00070"></a>00070 <span class="keywordtype">void</span> enablePBuffer() <span class="keyword">const</span>;
<a name="l00071"></a>00071
<a name="l00073"></a>00073 <span class="keywordtype">void</span> disablePBuffer() <span class="keyword">const</span>;
<a name="l00074"></a>00074
<a name="l00076"></a>00076 <span class="keywordtype">void</span> initialiseTexture();
<a name="l00077"></a>00077
<a name="l00079"></a>00079 <span class="keywordtype">void</span> selectFBConfig();
<a name="l00080"></a>00080
<a name="l00082"></a>00082 <span class="keywordtype">void</span> createContext();
<a name="l00083"></a>00083
<a name="l00085"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ac5992d38286d2c47ee485fe855a63de6">00085</a> Display* <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ac5992d38286d2c47ee485fe855a63de6" title="X server display.">d_dpy</a>;
<a name="l00087"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a8678f996e661a7e2b3f2f7d09ab09ec4">00087</a> GLXFBConfig <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a8678f996e661a7e2b3f2f7d09ab09ec4" title="GLX config used in creating pbuffer.">d_fbconfig</a>;
<a name="l00089"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ae7d4f9b13e5d0ed2d5ea40bb61e635af">00089</a> GLXContext <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ae7d4f9b13e5d0ed2d5ea40bb61e635af" title="GLX context.">d_context</a>;
<a name="l00091"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a6d5fb86e5012e1a1df9c640ea265058f">00091</a> GLXPbuffer <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a6d5fb86e5012e1a1df9c640ea265058f" title="The GLX pbuffer we're using.">d_pbuffer</a>;
<a name="l00093"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a708a0330b26b5661e9498aed90ba5170">00093</a> <span class="keyword">mutable</span> Display* <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a708a0330b26b5661e9498aed90ba5170" title="stores previous X display when switching to pbuffer">d_prevDisplay</a>;
<a name="l00095"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ad11cea8f234dd985d2c19b5ea6bf9cb3">00095</a> <span class="keyword">mutable</span> GLXDrawable <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#ad11cea8f234dd985d2c19b5ea6bf9cb3" title="stores previous GLX drawable when switching to pbuffer">d_prevDrawable</a>;
<a name="l00097"></a><a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a0205ad986d1dab47d953f7a583c764da">00097</a> <span class="keyword">mutable</span> GLXContext <a class="code" href="classCEGUI_1_1OpenGLGLXPBTextureTarget.html#a0205ad986d1dab47d953f7a583c764da" title="stores previous GLX context when switching to pbuffer">d_prevContext</a>;
<a name="l00098"></a>00098 };
<a name="l00099"></a>00099
<a name="l00100"></a>00100 } <span class="comment">// End of CEGUI namespace section</span>
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="preprocessor">#endif // end of guard _CEGUIOpenGLGLXPBTextureTarget_h_</span>
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