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<h1>dox/Rendering/vtkDepthPeelingPass.h</h1><a href="a03394.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">  Program:   Visualization Toolkit</span>
<a name="l00004"></a>00004 <span class="comment">  Module:    $RCSfile: vtkDepthPeelingPass.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span>
<a name="l00007"></a>00007 <span class="comment">  All rights reserved.</span>
<a name="l00008"></a>00008 <span class="comment">  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">     This software is distributed WITHOUT ANY WARRANTY; without even</span>
<a name="l00011"></a>00011 <span class="comment">     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span>
<a name="l00012"></a>00012 <span class="comment">     PURPOSE.  See the above copyright notice for more information.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">=========================================================================*/</span>
<a name="l00041"></a>00041 <span class="preprocessor">#ifndef __vtkDepthPeelingPass_h</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#define __vtkDepthPeelingPass_h</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "<a class="code" href="a03534.html">vtkRenderPass.h</a>"</span>
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <span class="keyword">class </span><a class="code" href="a01120.html" title="OpenGL rendering window.">vtkOpenGLRenderWindow</a>;
<a name="l00047"></a>00047 <span class="keyword">class </span>vtkDepthPeelingPassLayerList; <span class="comment">// Pimpl</span>
<a name="l00048"></a>00048 <span class="keyword">class </span><a class="code" href="a01538.html" title="GLSL Program.">vtkShaderProgram2</a>;
<a name="l00049"></a>00049 <span class="keyword">class </span><a class="code" href="a01533.html" title="GLSL Shader.">vtkShader2</a>;
<a name="l00050"></a>00050 
<a name="l00051"></a><a class="code" href="a00410.html">00051</a> <span class="keyword">class </span><a class="code" href="a02170.html#4019f67b2e7d601f2cf984e448308dbb">VTK_RENDERING_EXPORT</a> <a class="code" href="a00410.html" title="Implement an Order Independent Transparency render pass.">vtkDepthPeelingPass</a> : <span class="keyword">public</span> <a class="code" href="a01485.html" title="Perform part of the rendering of a vtkRenderer.">vtkRenderPass</a>
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keyword">public</span>:
<a name="l00054"></a>00054   <span class="keyword">static</span> <a class="code" href="a00410.html" title="Implement an Order Independent Transparency render pass.">vtkDepthPeelingPass</a> *<a class="code" href="a01084.html#4d5b227267c076d6f9e38483370b6612">New</a>();
<a name="l00055"></a><a class="code" href="a00410.html#9a6e0f5ca3c99f660a17640e174dce56">00055</a>   vtkTypeRevisionMacro(<a class="code" href="a00410.html" title="Implement an Order Independent Transparency render pass.">vtkDepthPeelingPass</a>,<a class="code" href="a01485.html" title="Perform part of the rendering of a vtkRenderer.">vtkRenderPass</a>);
<a name="l00056"></a>00056   <span class="keywordtype">void</span> <a class="code" href="a01485.html#c9a79594183476baa2f8ff082e76222e">PrintSelf</a>(ostream&amp; os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00057"></a>00057 
<a name="l00060"></a>00060   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a01485.html#e294a805df37151e743034fd59c2f377">Render</a>(<span class="keyword">const</span> <a class="code" href="a01487.html" title="Context in which a vtkRenderPass will render.">vtkRenderState</a> *s);
<a name="l00061"></a>00061   
<a name="l00064"></a>00064   <span class="keywordtype">void</span> <a class="code" href="a01485.html#8190d964eef4e437093bba6761e3371b">ReleaseGraphicsResources</a>(<a class="code" href="a01886.html" title="window superclass for vtkRenderWindow">vtkWindow</a> *w);
<a name="l00065"></a>00065   
<a name="l00067"></a>00067 
<a name="l00070"></a>00070   vtkGetObjectMacro(TranslucentPass,<a class="code" href="a01485.html" title="Perform part of the rendering of a vtkRenderer.">vtkRenderPass</a>);
<a name="l00071"></a>00071   <span class="keyword">virtual</span> <span class="keywordtype">void</span> SetTranslucentPass(<a class="code" href="a01485.html" title="Perform part of the rendering of a vtkRenderer.">vtkRenderPass</a> *translucentPass);
<a name="l00073"></a>00073 
<a name="l00075"></a>00075 
<a name="l00082"></a>00082   vtkSetClampMacro(OcclusionRatio,<span class="keywordtype">double</span>,0.0,0.5);
<a name="l00083"></a>00083   vtkGetMacro(OcclusionRatio,<span class="keywordtype">double</span>);
<a name="l00085"></a>00085   
<a name="l00087"></a>00087 
<a name="l00090"></a>00090   vtkSetMacro(MaximumNumberOfPeels,<span class="keywordtype">int</span>);
<a name="l00091"></a>00091   vtkGetMacro(MaximumNumberOfPeels,<span class="keywordtype">int</span>);
<a name="l00093"></a>00093 
<a name="l00095"></a>00095 
<a name="l00097"></a>00097   vtkGetMacro(LastRenderingUsedDepthPeeling,<span class="keywordtype">bool</span>);
<a name="l00099"></a>00099 
<a name="l00104"></a>00104   <span class="keywordtype">int</span> GetDepthPeelingHigherLayer();
<a name="l00105"></a>00105   
<a name="l00106"></a>00106  <span class="keyword">protected</span>:
<a name="l00108"></a>00108   <a class="code" href="a00410.html" title="Implement an Order Independent Transparency render pass.">vtkDepthPeelingPass</a>();
<a name="l00109"></a>00109 
<a name="l00111"></a>00111   <span class="keyword">virtual</span> ~<a class="code" href="a00410.html" title="Implement an Order Independent Transparency render pass.">vtkDepthPeelingPass</a>();
<a name="l00112"></a>00112 
<a name="l00115"></a>00115   <span class="keywordtype">void</span> CheckSupport(<a class="code" href="a01120.html" title="OpenGL rendering window.">vtkOpenGLRenderWindow</a> *w);
<a name="l00116"></a>00116 
<a name="l00118"></a>00118   <span class="keywordtype">void</span> CheckCompilation(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> fragmentShader);
<a name="l00119"></a>00119   
<a name="l00121"></a>00121 
<a name="l00125"></a>00125   <span class="keywordtype">int</span> RenderPeel(<span class="keyword">const</span> <a class="code" href="a01487.html" title="Context in which a vtkRenderPass will render.">vtkRenderState</a> *s,
<a name="l00126"></a>00126                  <span class="keywordtype">int</span> layer);
<a name="l00128"></a>00128 
<a name="l00129"></a><a class="code" href="a00410.html#e8ead74a89939cc999af3f369de9a4a9">00129</a>   <a class="code" href="a01485.html" title="Perform part of the rendering of a vtkRenderer.">vtkRenderPass</a> *TranslucentPass;
<a name="l00130"></a><a class="code" href="a00410.html#8cedb1c730384ffb091888d3da5b2cdb">00130</a>   <a class="code" href="a01719.html" title="record modification and/or execution time">vtkTimeStamp</a> CheckTime;
<a name="l00131"></a><a class="code" href="a00410.html#eeb726a0827c4d38d140b09fcd43b327">00131</a>   <span class="keywordtype">bool</span> IsChecked;
<a name="l00132"></a><a class="code" href="a00410.html#1b7c16b0e7bf7b78a959156fb4a02373">00132</a>   <span class="keywordtype">bool</span> IsSupported;
<a name="l00133"></a>00133 
<a name="l00135"></a>00135 
<a name="l00136"></a><a class="code" href="a00410.html#6de150ed0905b5e82c6f76455d5d5d15">00136</a>   <span class="keywordtype">int</span> ViewportX;
<a name="l00137"></a><a class="code" href="a00410.html#503a07d339ca2c5ef619db52475c4a06">00137</a>   <span class="keywordtype">int</span> ViewportY;
<a name="l00138"></a><a class="code" href="a00410.html#e2dcc69eeae7b234d72e3dcbb5b85ae6">00138</a>   <span class="keywordtype">int</span> ViewportWidth;
<a name="l00139"></a><a class="code" href="a00410.html#b4c5f44ce49102bc981f917dfe2f241c">00139</a>   <span class="keywordtype">int</span> ViewportHeight;
<a name="l00141"></a>00141   
<a name="l00144"></a><a class="code" href="a00410.html#f9d8610cdef6f4b1d3fa14a06ec971c4">00144</a>   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> DepthFormat;
<a name="l00145"></a>00145 
<a name="l00153"></a><a class="code" href="a00410.html#3830a1134d89d6879c3419c38a8c86f5">00153</a>   <span class="keywordtype">double</span> OcclusionRatio;
<a name="l00154"></a>00154    
<a name="l00158"></a><a class="code" href="a00410.html#381bed5aed5a7ede39b6446b7cfd4b9f">00158</a>   <span class="keywordtype">int</span> MaximumNumberOfPeels;
<a name="l00159"></a>00159 
<a name="l00160"></a><a class="code" href="a00410.html#d17f46486c84a0e71b5e7541c7c2d8f5">00160</a>   <span class="keywordtype">bool</span> LastRenderingUsedDepthPeeling;
<a name="l00161"></a>00161 
<a name="l00163"></a><a class="code" href="a00410.html#e7d5df83a2e02fee7c0c2a139ead0ba0">00163</a>   vtkDepthPeelingPassLayerList *LayerList;
<a name="l00164"></a>00164   
<a name="l00165"></a><a class="code" href="a00410.html#140e6cbc3ea24e8bb6c5dbe860e2318f">00165</a>   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> OpaqueLayerZ;
<a name="l00166"></a><a class="code" href="a00410.html#e2e9a63c29d506cc13bf79954c194c1b">00166</a>   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> TransparentLayerZ;
<a name="l00167"></a>00167 <span class="comment">//  unsigned int ProgramShader;</span>
<a name="l00168"></a>00168 
<a name="l00169"></a>00169   <span class="comment">// Is rendering at translucent geometry stage using depth peeling and</span>
<a name="l00170"></a>00170   <span class="comment">// rendering a layer other than the first one? (Boolean value)</span>
<a name="l00171"></a>00171   <span class="comment">// If so, the uniform variables UseTexture and Texture can be set.</span>
<a name="l00172"></a>00172   <span class="comment">// (Used by vtkOpenGLProperty or vtkOpenGLTexture)</span>
<a name="l00173"></a><a class="code" href="a00410.html#0e4422a116ab8fd4b86cae3ec4ae4f23">00173</a>   <span class="keywordtype">int</span> DepthPeelingHigherLayer;
<a name="l00174"></a>00174   
<a name="l00175"></a><a class="code" href="a00410.html#328410c46741201f86343254ddbaf937">00175</a>   <a class="code" href="a01538.html" title="GLSL Program.">vtkShaderProgram2</a> *Prog;
<a name="l00176"></a><a class="code" href="a00410.html#73eccbbca6f836b2fac0a8a1710c2e87">00176</a>   <a class="code" href="a01533.html" title="GLSL Shader.">vtkShader2</a> *Shader;
<a name="l00177"></a>00177   
<a name="l00178"></a><a class="code" href="a00410.html#f34532c8770adde6a7320c7af7c805a7">00178</a>   <span class="keywordtype">int</span> ShadowTexUnit; <span class="comment">// texture unit allocated for the shadow texture</span>
<a name="l00179"></a><a class="code" href="a00410.html#7d0f71fc3bc2d430ce0da6754cf37cd2">00179</a>   <span class="keywordtype">int</span> OpaqueShadowTexUnit; <span class="comment">// texture unit allocated for the opaque shadow tex.</span>
<a name="l00180"></a>00180   
<a name="l00181"></a>00181  <span class="keyword">private</span>:
<a name="l00182"></a>00182   <a class="code" href="a00410.html" title="Implement an Order Independent Transparency render pass.">vtkDepthPeelingPass</a>(<span class="keyword">const</span> <a class="code" href="a00410.html" title="Implement an Order Independent Transparency render pass.">vtkDepthPeelingPass</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00183"></a>00183   <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a00410.html" title="Implement an Order Independent Transparency render pass.">vtkDepthPeelingPass</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00184"></a>00184 };
<a name="l00185"></a>00185 
<a name="l00186"></a>00186 <span class="preprocessor">#endif</span>
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