<div dir="ltr">Sorry, I hit send by mistake, <div><br></div><div>In this directory, </div><div><br></div><div><div>PARAVIEW_SRC/Plugins/PointSprite/Rendering/Resources/Shaders</div></div><div><br></div><div>Can you add line below at the beginning of all of the shaders. You may have to compile ParaView (or plugin again). This may not fix the problem but it would be great if you can provide some </div>
<div>feedback after this. </div><div><br></div><div>- Aashish</div><div><br></div><div><pre style="font-family:monospace,Courier;padding:0.25em;border:1px solid rgb(221,221,221);color:rgb(0,0,0);background-color:rgb(249,249,249);line-height:1.3em;overflow:auto;max-height:36em;font-size:13px">
#version 150</pre></div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Feb 10, 2014 at 12:43 PM, Aashish Chaudhary <span dir="ltr"><<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Bruce, <div><br></div><div>In the </div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Mon, Feb 10, 2014 at 12:08 PM, Aashish Chaudhary <span dir="ltr"><<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">This is very helpful. I am speculating that it could be related to the default shader version on your system (yours is shader model 5 I believe). <div>
<br></div><div>Let me come up with a quick fix (unless somone else beats me to it) which you can try. I will send that in a separate email. </div>
<div><br></div><div>- Aashish</div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Feb 10, 2014 at 11:57 AM, Bruce Jones <span dir="ltr"><<a href="mailto:bruce.david.jones@gmail.com" target="_blank">bruce.david.jones@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Aashish,<div><br></div><div>Thanks for getting back to me, I'll have a look at the breakpoint this afternoon. In the mean time, the full error logs are below, which appear to show the shader source for the failed shader.</div>
<div><br></div><div>Using PointSprite with Sphere(Texture) and a constant radius works fine.</div><div><br></div><div>Using PointSprite with Sphere(Texture) and a variable radius fails with the following message,</div><div>
<br></div><div><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 530</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): the shader program failed to link. Its log is:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">the shaders are: </span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 540</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): shader #0/3 (vertex shader) log is:</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">. Its source code is:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">/*=========================================================================</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Program: Visualization Toolkit</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Module: AttributeRadiusHelper.glsl</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> All rights reserved.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> See Copyright.txt or <a href="http://www.kitware.com/Copyright.htm" target="_blank">http://www.kitware.com/Copyright.htm</a> for details.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> This software is distributed WITHOUT ANY WARRANTY; without even</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> PURPOSE. See the above copyright notice for more information.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">=========================================================================*/</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .NAME AttributeRadiusHelper.glsl</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .SECTION Thanks</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// <verbatim></span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This file is part of the PointSprites plugin developed and contributed by</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Copyright (c) CSCS - Swiss National Supercomputing Centre</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// EDF - Electricite de France</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// John Biddiscombe, Ugo Varetto (CSCS)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Stephane Ploix (EDF)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// </verbatim></span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform vec2 RadiusSpan;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">attribute float Radius;</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float GetRadius()</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return RadiusSpan.x + Radius*RadiusSpan.y;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 540</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): shader #1/3 (vertex shader) log is:</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">. Its source code is:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">/*=========================================================================</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Program: Visualization Toolkit</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Module: Texture_vs.glsl</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> All rights reserved.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> See Copyright.txt or <a href="http://www.kitware.com/Copyright.htm" target="_blank">http://www.kitware.com/Copyright.htm</a> for details.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> This software is distributed WITHOUT ANY WARRANTY; without even</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> PURPOSE. See the above copyright notice for more information.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">=========================================================================*/</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .NAME Texture_vs.glsl</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .SECTION Thanks</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// <verbatim></span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This file is part of the PointSprites plugin developed and contributed by</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Copyright (c) CSCS - Swiss National Supercomputing Centre</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// EDF - Electricite de France</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// John Biddiscombe, Ugo Varetto (CSCS)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Stephane Ploix (EDF)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// </verbatim></span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform float MaxPixelSize;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform vec2 viewport;</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float GetRadius();</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">void propFuncVS()</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float radius = GetRadius();</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_ClipVertex = gl_ModelViewMatrix * gl_Vertex;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * gl_Vertex;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // Convert position to window coordinates</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // Convert Radius to window coordinates</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // radius/w is homogenous clip coord</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float pixelSize = (radius/gl_Position.w)*(4.0*viewport.y);</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // Clamp radius to prevent overloading if bad scalars were passed in</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (pixelSize>MaxPixelSize)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> pixelSize = MaxPixelSize;</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_PointSize = pixelSize;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_FrontColor = gl_Color;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 540</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): shader #2/3 (vertex shader) log is:</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">. Its source code is:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// ============================================================================</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Program: Visualization Toolkit</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Module: vtkOpenGLPropertyDefaultMain_vs.glsl</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// All rights reserved.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// See Copyright.txt or <a href="http://www.kitware.com/Copyright.htm" target="_blank">http://www.kitware.com/Copyright.htm</a> for details.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This software is distributed WITHOUT ANY WARRANTY; without even</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// PURPOSE. See the above copyright notice for more information.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// ============================================================================</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This is the default vertex shader with the main() function. It is used when</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// no main() is provided at the renderer level and some vertex shader is</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// defined by the user on a property.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#version 110</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">void propFuncVS();</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">void main()</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> propFuncVS();</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLProperty.cxx, line 415</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkPointSpriteProperty (000000001118DD20): Couldn't build the shader program. At this point , it can be an error in a shader or a driver bug.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 530</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): the shader program failed to link. Its log is:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">the shaders are: </span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 540</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): shader #0/3 (vertex shader) log is:</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">. Its source code is:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">/*=========================================================================</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Program: Visualization Toolkit</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Module: AttributeRadiusHelper.glsl</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> All rights reserved.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> See Copyright.txt or <a href="http://www.kitware.com/Copyright.htm" target="_blank">http://www.kitware.com/Copyright.htm</a> for details.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> This software is distributed WITHOUT ANY WARRANTY; without even</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> PURPOSE. See the above copyright notice for more information.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">=========================================================================*/</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .NAME AttributeRadiusHelper.glsl</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .SECTION Thanks</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// <verbatim></span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This file is part of the PointSprites plugin developed and contributed by</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Copyright (c) CSCS - Swiss National Supercomputing Centre</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// EDF - Electricite de France</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// John Biddiscombe, Ugo Varetto (CSCS)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Stephane Ploix (EDF)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// </verbatim></span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform vec2 RadiusSpan;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">attribute float Radius;</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float GetRadius()</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return RadiusSpan.x + Radius*RadiusSpan.y;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 540</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): shader #1/3 (vertex shader) log is:</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">. Its source code is:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">/*=========================================================================</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Program: Visualization Toolkit</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Module: Texture_vs.glsl</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> All rights reserved.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> See Copyright.txt or <a href="http://www.kitware.com/Copyright.htm" target="_blank">http://www.kitware.com/Copyright.htm</a> for details.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> This software is distributed WITHOUT ANY WARRANTY; without even</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> PURPOSE. See the above copyright notice for more information.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">=========================================================================*/</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .NAME Texture_vs.glsl</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .SECTION Thanks</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// <verbatim></span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This file is part of the PointSprites plugin developed and contributed by</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Copyright (c) CSCS - Swiss National Supercomputing Centre</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// EDF - Electricite de France</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// John Biddiscombe, Ugo Varetto (CSCS)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Stephane Ploix (EDF)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// </verbatim></span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform float MaxPixelSize;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform vec2 viewport;</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float GetRadius();</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">void propFuncVS()</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float radius = GetRadius();</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_ClipVertex = gl_ModelViewMatrix * gl_Vertex;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * gl_Vertex;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // Convert position to window coordinates</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // Convert Radius to window coordinates</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // radius/w is homogenous clip coord</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float pixelSize = (radius/gl_Position.w)*(4.0*viewport.y);</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // Clamp radius to prevent overloading if bad scalars were passed in</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (pixelSize>MaxPixelSize)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> pixelSize = MaxPixelSize;</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_PointSize = pixelSize;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_FrontColor = gl_Color;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 540</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): shader #2/3 (vertex shader) log is:</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">. Its source code is:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// ============================================================================</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Program: Visualization Toolkit</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Module: vtkOpenGLPropertyDefaultMain_vs.glsl</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// All rights reserved.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// See Copyright.txt or <a href="http://www.kitware.com/Copyright.htm" target="_blank">http://www.kitware.com/Copyright.htm</a> for details.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This software is distributed WITHOUT ANY WARRANTY; without even</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// PURPOSE. See the above copyright notice for more information.</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// ============================================================================</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This is the default vertex shader with the main() function. It is used when</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// no main() is provided at the renderer level and some vertex shader is</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// defined by the user on a property.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#version 110</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">void propFuncVS();</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">void main()</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> propFuncVS();</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLProperty.cxx, line 415</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkPointSpriteProperty (000000001118DD20): Couldn't build the shader program. At this point , it can be an error in a shader or a driver bug.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 1084</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): glGetAttribLocation 1 OpenGL errors detected</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> 0 : (1281) Invalid value</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 1084</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): glGetAttribLocation 1 OpenGL errors detected</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> 0 : (1281) Invalid value</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 1084</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): glGetAttribLocation 1 OpenGL errors detected</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> 0 : (1281) Invalid value</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br>
</span></p><p style="margin:0px">Using PointSprite with Sphere and a constant radius fails with the following message,<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></span></p><p style="margin:0px">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 481</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): a shader failed to compile. Its log is:</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:89: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:143: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:159: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:196: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:207: 'assign' : implicit type conversion allowed from GLSL 1.20 </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:207: '=' : cannot convert from 'const int' to '3-component vector of float'</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:216: 'assign' : cannot convert from '4-component vector of float' to '3-component vector of float'</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:217: 'N' : undeclared identifier </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:217: 'assign' : cannot convert from '3-component vector of float' to 'float'</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:218: 'dot' : no matching overloaded function found (using implicit conversion) </span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:218: 'assign' : l-value required "d" (can't modify a varying)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:219: 'viewdir' : undeclared identifier </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:219: 'assign' : cannot convert from '3-component vector of float' to 'float'</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:220: 'vl' : undeclared identifier </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:220: 'reflect' : no matching overloaded function found (using implicit conversion) </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:221: 's' : undeclared identifier </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:222: 'assign' : cannot convert from '4-component vector of float' to '3-component vector of float'</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:251: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">. Its source code is:</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">/*=========================================================================</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Program: Visualization Toolkit</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Module: Quadrics_fs.glsl</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> All rights reserved.</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> See Copyright.txt or <a href="http://www.kitware.com/Copyright.htm" target="_blank">http://www.kitware.com/Copyright.htm</a> for details.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> This software is distributed WITHOUT ANY WARRANTY; without even</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> PURPOSE. See the above copyright notice for more information.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> =========================================================================*/</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .NAME Quadrics_fs.glsl</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .SECTION Thanks</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// <verbatim></span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This file is part of the PointSprites plugin developed and contributed by</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Copyright (c) CSCS - Swiss National Supercomputing Centre</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// EDF - Electricite de France</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// John Biddiscombe, Ugo Varetto (CSCS)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Stephane Ploix (EDF)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// </verbatim></span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// IN:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - vertex position</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - point size</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - ray origin</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - perspective flag</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - quadric equation coefficients</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - color</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - viewport (width and height only)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - min point size (pointThreshold)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// OUT:</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - fragment color computed from point intersected by ray shot from</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// viewpoint through point computed from current fragment coordinate</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - fragment depth computed by projecting the intersection point into screen</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// coordinates</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// OPTIMAL</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#define ELLIPSOID</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define CYLINDER</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define CONE</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define HYPERBOLOID1</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define HYPERBOLOID2</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define PARABOLOID</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// SUB OPTIMAL</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define HYPER_PARABOLOID</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform vec2 viewport; // only width and height passed, no origin</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform float pointSizeThreshold; // minimum point size</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying vec4 color;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float a;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float b;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float c;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float d;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float e;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float f;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float g;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float h;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float i;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float j;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float pointSize;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float perspective;</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec3 raydir; // ray direction in screen space</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec3 rayorigin; // ray origin in screen space</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#ifndef ELLIPSOID</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying mat4 Ti;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#endif</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const float FLAT_SHADE_POINT_SIZE = 1.0; //if point size < 1 use flat shading</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const float FEPS = 0.0001;</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const float BOUND = 1.0 + FEPS;</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const vec3 MIN_BOUND = vec3(-BOUND);</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const vec3 MAX_BOUND = vec3(BOUND);</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//------------------------------------------------------------------------------</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// BOUNDS CHECK</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// in general it makes sense to check only along the z direction for:</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - paraboloids</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - hyperboloids of one sheet</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - cylinders</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - cones</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// and no checking at all is required for ellipsoids</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#ifndef ELLIPSOID</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">bool InBounds( vec3 P )</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec4 v = Ti * gl_ModelViewMatrixInverse * vec4( P, 1. );</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#if defined( CYLINDER ) || defined( CONE ) || defined( HYPERBOLOID1 ) || defined( PARABOLOID )</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return v.z >= -BOUND && v.z <= BOUND;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#else</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return all( greaterThanEqual( v.xyz, MIN_BOUND ) ) &&</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> all( lessThanEqual( v.xyz, MAX_BOUND ) );</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#endif</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#endif</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//------------------------------------------------------------------------------</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// INTERSECTION</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">struct I</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 P;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 N;</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float t;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">};</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// compute unit normal from gradient</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec3 ComputeNormal(vec3 P)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return normalize(vec3(dot(vec4(a, d, e, 1.), vec4(P, g)), // should multiply by 2 for actual gradient</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> dot(vec4(d, b, f, 1.), vec4(P, h)), // should multiply by 2 for actual gradient</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> dot(vec4(e, f, c, 1.), vec4(P, i)) // should multiply by 2 for actual gradient</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ));</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// compute ray quadric intersection; if no intersection occurs I.t is < 0</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// main axis length and orientation are used to clip the quadric; not</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// required for closed quadrics (ellipsoids)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// | a d e g |</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// | d b f h |</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// | e f c i |</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// | g h i j |</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// ax^2 + by^2 + cz^2 + 2dxy +2exz + 2fyz + 2gx + 2hy + 2iz + j = 0</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">/// @todo pass vec3(a, b, c), vec3( d, e, f ) and vec3( g, h, i ) instead of single coefficients</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">I ComputeRayQuadricIntersection()</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> I ip;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.t = -1.0;</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 P = rayorigin;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 D = raydir;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float A = 0.0;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float B = 0.0;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float C = 0.0;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (bool(perspective))</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> A = dot(vec3(a, b, c), D * D) + 2. * dot(vec3(d, e, f), D.xxy * D.yzz);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> B = 2. * dot(vec3(g, h, i), D);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> C = j;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> else</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> A = c;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //B = -2. * dot( vec4( c, e, f, 1. ), vec4( P.zxy, 1. ) );</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> B = -2. * dot(vec4(d, e, f, i), vec4(P.zxy, 1.));</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> C = dot(vec3(a, b, c), P * P) + 2. * (dot(vec3(d, e, f), P.xxy * P.yzz)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> + dot(vec3(g, h, i), P)) + j;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float delta = B * B - 4. * A * C;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (delta < 0.0)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return ip;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float d = sqrt(delta);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> A = 1. / A;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> A *= 0.5;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float t2 = A * (-B + d);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float t1 = A * (-B - d);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#ifdef ELLIPSOID</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.P = rayorigin + D * min(t1, t2);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.N = ComputeNormal(ip.P);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.t = 0.;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#else</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 P1 = rayorigin + D * min( t1, t2 );</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 P2 = rayorigin + D * max( t1, t2 );</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if( InBounds( P1 ) )</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.P = P1;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.N = ComputeNormal( P1 );</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.t = 0.;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> else if( InBounds( P2 ) )</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.P = P2;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.N = ComputeNormal( P2 );</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.t = 0.;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#endif</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return ip;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//------------------------------------------------------------------------------</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// LIGHTING, standard phong lighting model</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec3 lightDir = normalize(vec3(0.1, 0.1, 1.));</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float kd = 1.0;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float ka = 0.01;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float ks = .5;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float sh = 90.0;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec4 refcolor = vec4(1., 1., 1., 1.);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec4 ComputeColor(vec4 color, vec3 n, vec3 P)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (pointSize < FLAT_SHADE_POINT_SIZE)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return color;</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 col = (0, 0, 0);</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 N;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float d;</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 viewdir;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float vl;</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float s;</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> for (int li = 0; li < 4; li++)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> lightDir = normalize(gl_LightSource[li].position);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> N = faceforward(-n, lightDir, n);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> d = dot(N, lightDir);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> viewdir = normalize(-P);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vl = max(0., dot(reflect(-lightDir, N), viewdir));</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> s = pow(vl, gl_FrontMaterial.shininess);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> col += gl_FrontMaterial.specular * s * gl_LightSource[li].specular.rgb + kd</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> * d * color.rgb * gl_LightSource[li].diffuse.rgb + ka * color.rgb</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> * gl_LightSource[li].ambient.rgb;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return vec4(col, color.a);</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//------------------------------------------------------------------------------</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// MAIN</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">void propFuncFS(void)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (pointSize < pointSizeThreshold || color.a <= 0.0)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> discard;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 fc = gl_FragCoord.xyz;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> fc.xy /= viewport;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> fc *= 2.0;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> fc -= 1.0;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec4 p = gl_ProjectionMatrixInverse * vec4(fc, 1.);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (bool(perspective))</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // in perspective mode, rayorigin is always at (0, 0, 0)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> rayorigin = vec3(0., 0., 0.);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> raydir = vec3(p) / p.w;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> else</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // in orthographic mode, raydir is always ( 0., 0., -1. );</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> raydir = vec3(0., 0., -1.);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> rayorigin = vec3(p.x / p.w, p.y / p.w, 0.);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // compute intersection</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> I i = ComputeRayQuadricIntersection();</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (i.t < 0.0)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> discard;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // compute color</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_FragColor = ComputeColor(color, i.N, i.P);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // update depth by projecting point and updating depth coordinate</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // the transposed version of the projection matrix is used to</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // perform vector, matrix row product in one line:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // M[2][*] x V = Vt x Mt[*][2] where:</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // % V is a column vector</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // % Vt is a row vector</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // % M is a square matrix</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // % Mt is the transpose of M</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float z = dot(vec4(i.P, 1.), gl_ProjectionMatrixTranspose[2]);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float w = dot(vec4(i.P, 1.), gl_ProjectionMatrixTranspose[3]);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_FragDepth = 0.5 * (z / w + 1.0);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLProperty.cxx, line 415</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkPointSpriteProperty (000000001118DD20): Couldn't build the shader program. At this point , it can be an error in a shader or a driver bug.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 481</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkShaderProgram2 (0000000012D40520): a shader failed to compile. Its log is:</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:89: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:143: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:159: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:196: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:207: 'assign' : implicit type conversion allowed from GLSL 1.20 </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:207: '=' : cannot convert from 'const int' to '3-component vector of float'</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:216: 'assign' : cannot convert from '4-component vector of float' to '3-component vector of float'</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:217: 'N' : undeclared identifier </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:217: 'assign' : cannot convert from '3-component vector of float' to 'float'</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:218: 'dot' : no matching overloaded function found (using implicit conversion) </span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:218: 'assign' : l-value required "d" (can't modify a varying)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:219: 'viewdir' : undeclared identifier </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:219: 'assign' : cannot convert from '3-component vector of float' to 'float'</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:220: 'vl' : undeclared identifier </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:220: 'reflect' : no matching overloaded function found (using implicit conversion) </span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:221: 's' : undeclared identifier </span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: 0:222: 'assign' : cannot convert from '4-component vector of float' to '3-component vector of float'</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">WARNING: 0:251: 'assigning' : implict conversion between types allowed from GLSL 1.20 </span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">. Its source code is:</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">/*=========================================================================</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Program: Visualization Toolkit</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Module: Quadrics_fs.glsl</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> All rights reserved.</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> See Copyright.txt or <a href="http://www.kitware.com/Copyright.htm" target="_blank">http://www.kitware.com/Copyright.htm</a> for details.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> This software is distributed WITHOUT ANY WARRANTY; without even</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> PURPOSE. See the above copyright notice for more information.</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> =========================================================================*/</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .NAME Quadrics_fs.glsl</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// .SECTION Thanks</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// <verbatim></span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// This file is part of the PointSprites plugin developed and contributed by</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Copyright (c) CSCS - Swiss National Supercomputing Centre</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// EDF - Electricite de France</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// John Biddiscombe, Ugo Varetto (CSCS)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// Stephane Ploix (EDF)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// </verbatim></span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// IN:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - vertex position</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - point size</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - ray origin</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - perspective flag</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - quadric equation coefficients</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - color</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - viewport (width and height only)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - min point size (pointThreshold)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// OUT:</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - fragment color computed from point intersected by ray shot from</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// viewpoint through point computed from current fragment coordinate</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - fragment depth computed by projecting the intersection point into screen</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// coordinates</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// OPTIMAL</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#define ELLIPSOID</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define CYLINDER</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define CONE</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define HYPERBOLOID1</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define HYPERBOLOID2</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define PARABOLOID</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// SUB OPTIMAL</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//#define HYPER_PARABOLOID</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform vec2 viewport; // only width and height passed, no origin</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">uniform float pointSizeThreshold; // minimum point size</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying vec4 color;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float a;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float b;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float c;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float d;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float e;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float f;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float g;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float h;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float i;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float j;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float pointSize;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying float perspective;</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec3 raydir; // ray direction in screen space</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec3 rayorigin; // ray origin in screen space</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#ifndef ELLIPSOID</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">varying mat4 Ti;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#endif</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const float FLAT_SHADE_POINT_SIZE = 1.0; //if point size < 1 use flat shading</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const float FEPS = 0.0001;</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const float BOUND = 1.0 + FEPS;</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p>
<p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const vec3 MIN_BOUND = vec3(-BOUND);</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">const vec3 MAX_BOUND = vec3(BOUND);</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//------------------------------------------------------------------------------</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// BOUNDS CHECK</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// in general it makes sense to check only along the z direction for:</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - paraboloids</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - hyperboloids of one sheet</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - cylinders</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// - cones</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// and no checking at all is required for ellipsoids</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#ifndef ELLIPSOID</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">bool InBounds( vec3 P )</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec4 v = Ti * gl_ModelViewMatrixInverse * vec4( P, 1. );</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#if defined( CYLINDER ) || defined( CONE ) || defined( HYPERBOLOID1 ) || defined( PARABOLOID )</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return v.z >= -BOUND && v.z <= BOUND;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#else</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return all( greaterThanEqual( v.xyz, MIN_BOUND ) ) &&</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> all( lessThanEqual( v.xyz, MAX_BOUND ) );</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#endif</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#endif</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//------------------------------------------------------------------------------</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// INTERSECTION</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">struct I</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 P;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 N;</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float t;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">};</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// compute unit normal from gradient</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec3 ComputeNormal(vec3 P)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return normalize(vec3(dot(vec4(a, d, e, 1.), vec4(P, g)), // should multiply by 2 for actual gradient</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> dot(vec4(d, b, f, 1.), vec4(P, h)), // should multiply by 2 for actual gradient</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> dot(vec4(e, f, c, 1.), vec4(P, i)) // should multiply by 2 for actual gradient</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ));</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// compute ray quadric intersection; if no intersection occurs I.t is < 0</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// main axis length and orientation are used to clip the quadric; not</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// required for closed quadrics (ellipsoids)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// | a d e g |</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// | d b f h |</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// | e f c i |</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// | g h i j |</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// ax^2 + by^2 + cz^2 + 2dxy +2exz + 2fyz + 2gx + 2hy + 2iz + j = 0</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">/// @todo pass vec3(a, b, c), vec3( d, e, f ) and vec3( g, h, i ) instead of single coefficients</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">I ComputeRayQuadricIntersection()</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> I ip;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.t = -1.0;</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 P = rayorigin;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 D = raydir;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float A = 0.0;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float B = 0.0;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float C = 0.0;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (bool(perspective))</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> A = dot(vec3(a, b, c), D * D) + 2. * dot(vec3(d, e, f), D.xxy * D.yzz);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> B = 2. * dot(vec3(g, h, i), D);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> C = j;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> else</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> A = c;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> //B = -2. * dot( vec4( c, e, f, 1. ), vec4( P.zxy, 1. ) );</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> B = -2. * dot(vec4(d, e, f, i), vec4(P.zxy, 1.));</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> C = dot(vec3(a, b, c), P * P) + 2. * (dot(vec3(d, e, f), P.xxy * P.yzz)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> + dot(vec3(g, h, i), P)) + j;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float delta = B * B - 4. * A * C;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (delta < 0.0)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return ip;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float d = sqrt(delta);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> A = 1. / A;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> A *= 0.5;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float t2 = A * (-B + d);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float t1 = A * (-B - d);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#ifdef ELLIPSOID</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.P = rayorigin + D * min(t1, t2);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.N = ComputeNormal(ip.P);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.t = 0.;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#else</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 P1 = rayorigin + D * min( t1, t2 );</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 P2 = rayorigin + D * max( t1, t2 );</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if( InBounds( P1 ) )</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.P = P1;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.N = ComputeNormal( P1 );</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.t = 0.;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> else if( InBounds( P2 ) )</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.P = P2;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.N = ComputeNormal( P2 );</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> ip.t = 0.;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">#endif</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return ip;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//------------------------------------------------------------------------------</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// LIGHTING, standard phong lighting model</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec3 lightDir = normalize(vec3(0.1, 0.1, 1.));</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float kd = 1.0;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float ka = 0.01;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float ks = .5;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">float sh = 90.0;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec4 refcolor = vec4(1., 1., 1., 1.);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vec4 ComputeColor(vec4 color, vec3 n, vec3 P)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (pointSize < FLAT_SHADE_POINT_SIZE)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return color;</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 col = (0, 0, 0);</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 N;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float d;</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 viewdir;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float vl;</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float s;</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> for (int li = 0; li < 4; li++)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> lightDir = normalize(gl_LightSource[li].position);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> N = faceforward(-n, lightDir, n);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> d = dot(N, lightDir);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> viewdir = normalize(-P);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vl = max(0., dot(reflect(-lightDir, N), viewdir));</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> s = pow(vl, gl_FrontMaterial.shininess);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> col += gl_FrontMaterial.specular * s * gl_LightSource[li].specular.rgb + kd</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> * d * color.rgb * gl_LightSource[li].diffuse.rgb + ka * color.rgb</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> * gl_LightSource[li].ambient.rgb;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> return vec4(col, color.a);</span></p>
<p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">//------------------------------------------------------------------------------</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">// MAIN</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">void propFuncFS(void)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">{</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (pointSize < pointSizeThreshold || color.a <= 0.0)</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> discard;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec3 fc = gl_FragCoord.xyz;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> fc.xy /= viewport;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> fc *= 2.0;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> fc -= 1.0;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> vec4 p = gl_ProjectionMatrixInverse * vec4(fc, 1.);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (bool(perspective))</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // in perspective mode, rayorigin is always at (0, 0, 0)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> rayorigin = vec3(0., 0., 0.);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> raydir = vec3(p) / p.w;</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> else</span></p><p style="margin:0px">
<span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> {</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // in orthographic mode, raydir is always ( 0., 0., -1. );</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> raydir = vec3(0., 0., -1.);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> rayorigin = vec3(p.x / p.w, p.y / p.w, 0.);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> }</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // compute intersection</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> I i = ComputeRayQuadricIntersection();</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> if (i.t < 0.0)</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> discard;</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // compute color</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_FragColor = ComputeColor(color, i.N, i.P);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // update depth by projecting point and updating depth coordinate</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // the transposed version of the projection matrix is used to</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // perform vector, matrix row product in one line:</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // M[2][*] x V = Vt x Mt[*][2] where:</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // % V is a column vector</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // % Vt is a row vector</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // % M is a square matrix</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> // % Mt is the transpose of M</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float z = dot(vec4(i.P, 1.), gl_ProjectionMatrixTranspose[2]);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> float w = dot(vec4(i.P, 1.), gl_ProjectionMatrixTranspose[3]);</span></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"> gl_FragDepth = 0.5 * (z / w + 1.0);</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">}</span></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">
<br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLProperty.cxx, line 415</span></p>
<p style="margin:0px"><span style="font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)">vtkPointSpriteProperty (000000001118DD20): Couldn't build the shader program. At this point , it can be an error in a shader or a driver bug.</span></p>
<p style="margin:0px">
</p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><br></p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><span style="color:rgb(34,34,34);font-family:arial;font-size:small">Cheers,</span><br>
</p><p style="margin:0px;font-family:Courier;font-size:8.25pt;color:rgb(128,0,0)"><span style="color:rgb(34,34,34);font-family:arial;font-size:small">Bruce</span></p></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Mon, Feb 10, 2014 at 11:51 AM, Aashish Chaudhary <span dir="ltr"><<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Atleast, we need to know what shader its trying to use which is failing to compile on your system (TextureSprite, Quadrics (Attribute or Fixed Radius))</div><div><div><div class="gmail_extra">
<br><br><div class="gmail_quote">
On Mon, Feb 10, 2014 at 11:44 AM, Aashish Chaudhary <span dir="ltr"><<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><font size="4" face="garamond, serif">Hi Bruce, </font><div><font size="4" face="garamond, serif"><br></font></div><div><font size="4" face="garamond, serif">Sorry, I thought replied to your email. In the log you sent me, I do see that it is stating that point sprites are supported. If you can put a break point in vtkPointSpriteProperty (at the error line) then we can find out exactly where the error is coming from. </font></div>
<span><font color="#888888">
<div><font size="4" face="garamond, serif"><br></font></div><div><font size="4" face="garamond, serif">- Aashish</font></div></font></span><div><div><div><font size="4" face="garamond, serif"><br></font></div>
<div class="gmail_extra"><font size="4" face="garamond, serif"><br>
<br></font><div class="gmail_quote"><font size="4" face="garamond, serif">On Mon, Feb 10, 2014 at 11:14 AM, Bruce Jones <span dir="ltr"><<a href="mailto:bruce.david.jones@gmail.com" target="_blank">bruce.david.jones@gmail.com</a>></span> wrote:<br>
</font><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><font size="4" face="garamond, serif">Is there anything else I can do to help debug this problem? It is quite frustrating to not have pointsprite working on this machine.</font><div>
<font size="4" face="garamond, serif"><br></font></div><div><font size="4" face="garamond, serif">Cheers,</font></div><div><font size="4" face="garamond, serif">Bruce</font></div></div><div><div><div class="gmail_extra">
<font size="4" face="garamond, serif"><br><br></font><div class="gmail_quote"><font size="4" face="garamond, serif">On Sun, Jan 26, 2014 at 6:26 PM, Bruce Jones <span dir="ltr"><<a href="mailto:bruce.david.jones@gmail.com" target="_blank">bruce.david.jones@gmail.com</a>></span> wrote:<br>
</font><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div dir="ltr"><font size="4" face="garamond, serif">Ok, I've attached the output from glview. Everything is supported for OpenGL <=4.2. versions 4.3 and 4.4 are partially supported.</font><div><font size="4" face="garamond, serif"><br>
</font></div><div><font size="4" face="garamond, serif">Cheers,</font></div><div><font size="4" face="garamond, serif">Bruce</font></div></div><div>
<div><div class="gmail_extra">
<font size="4" face="garamond, serif"><br><br></font><div class="gmail_quote"><font size="4" face="garamond, serif">On Thu, Jan 23, 2014 at 11:51 AM, Aashish Chaudhary <span dir="ltr"><<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>></span> wrote:<br>
</font><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><font size="4" face="garamond, serif"><a href="http://www.realtech-vr.com/glview/" target="_blank">http://www.realtech-vr.com/glview/</a><br>
</font></div>
<div><div><div class="gmail_extra"><font size="4" face="garamond, serif"><br><br></font><div class="gmail_quote"><font size="4" face="garamond, serif">On Wed, Jan 22, 2014 at 9:35 AM, Bruce Jones <span dir="ltr"><<a href="mailto:bruce.david.jones@gmail.com" target="_blank">bruce.david.jones@gmail.com</a>></span> wrote:<br>
</font><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><font size="4" face="garamond, serif">This is windows 8.1, is there a similar utility I can run on windows?</font><div>
<font size="4" face="garamond, serif"><br></font></div><div><font size="4" face="garamond, serif">Cheers,</font></div><div><font size="4" face="garamond, serif">
Bruce</font></div></div><div><div><div class="gmail_extra"><font size="4" face="garamond, serif"><br><br></font><div class="gmail_quote"><font size="4" face="garamond, serif">On Wed, Jan 22, 2014 at 9:31 AM, Aashish Chaudhary <span dir="ltr"><<a href="mailto:aashish.chaudhary@kitware.com" target="_blank">aashish.chaudhary@kitware.com</a>></span> wrote:<br>
</font><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><font size="4" face="garamond, serif">Is this a windows OS or Linux? If Linux can you send us the output of glxinfo (as a starting point to debug this). </font><div>
<font size="4" face="garamond, serif"><br></font></div><div><font size="4" face="garamond, serif">Thanks,</font></div><div><font size="4" face="garamond, serif"><br></font></div></div><div class="gmail_extra"><font size="4" face="garamond, serif"><br>
<br></font><div class="gmail_quote"><div><div><font size="4" face="garamond, serif">
On Wed, Jan 22, 2014 at 8:56 AM, Bruce Jones <span dir="ltr"><<a href="mailto:bruce.david.jones@gmail.com" target="_blank">bruce.david.jones@gmail.com</a>></span> wrote:<br></font></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div><div>
<div dir="ltr"><font size="4" face="garamond, serif">When using the PointSprite plugin on a new laptop I found two options cause it to stop working.</font><div><font size="4" face="garamond, serif"><br></font></div><div>
<font size="4" face="garamond, serif">When changing from "Sphere (texture)" to "Sphere" get the following,</font></div>
<div><font size="4" face="garamond, serif"><br></font></div><div><p style="margin:0px"><span style="color:rgb(128,0,0)"><font size="4" face="garamond, serif">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkOpenGLProperty.cxx, line 415</font></span></p>
<p style="margin:0px"><span style="color:rgb(128,0,0)"><font size="4" face="garamond, serif">vtkPointSpriteProperty (000000000BD110B0): Couldn't build the shader program. At this point , it can be an error in a shader or a driver bug.</font></span></p>
<p style="margin:0px"><span style="color:rgb(128,0,0)"><font size="4" face="garamond, serif"><br></font></span></p><p style="margin:0px"><font size="4" face="garamond, serif">I thought this might be due to lack of opengl support for the graphics chip, which comes bundled with the I7-4600u I have. However intel claim it supports up to version 4.2 of OpenGL, so that should be fine...<span style="color:rgb(128,0,0)"><br>
</span></font></p><p style="margin:0px"><font size="4" face="garamond, serif"><br></font></p><p style="margin:0px"><font size="4" face="garamond, serif">Also, when i choose to scale the point sprite size by values in an array, I get the following error,</font></p>
<p style="margin:0px"><font size="4" face="garamond, serif"><br></font></p><p style="margin:0px"><span style="color:rgb(128,0,0)"><font size="4" face="garamond, serif">ERROR: In C:\DBD\pvs-x64\paraview\src\paraview\VTK\Rendering\OpenGL\vtkShaderProgram2.cxx, line 1084</font></span></p>
<p style="margin:0px"><span style="color:rgb(128,0,0)"><font size="4" face="garamond, serif">vtkShaderProgram2 (0000000014D4A1A0): glGetAttribLocation 1 OpenGL errors detected</font></span></p><p style="margin:0px">
</p><p style="margin:0px"><span style="color:rgb(128,0,0)"><font size="4" face="garamond, serif"> 0 : (1281) Invalid value</font></span></p><p style="margin:0px"><span style="color:rgb(128,0,0)"><font size="4" face="garamond, serif"><br>
</font></span></p><p style="margin:0px"><font size="4" face="garamond, serif">Is there any solution for this?<span style="color:rgb(128,0,0)"><br></span></font></p><p style="margin:0px"><font size="4" face="garamond, serif"><br>
</font></p><p style="margin:0px"><font size="4" face="garamond, serif">Cheers,</font></p><p style="margin:0px"><font size="4" face="garamond, serif">
Bruce</font></p></div></div>
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<br></font></blockquote></div><span><font color="#888888" size="4" face="garamond, serif"><br><br clear="all"><div><br></div>-- <br>| Aashish Chaudhary <br>| R&D Engineer <br>| Kitware Inc. <br>| <a href="http://www.kitware.com" target="_blank">www.kitware.com</a>
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</blockquote></div><font size="4" face="garamond, serif"><br></font></div>
</div></div></blockquote></div><font size="4" face="garamond, serif"><br><br clear="all"></font><div><font size="4" face="garamond, serif"><br></font></div><font size="4" face="garamond, serif">-- <br>| Aashish Chaudhary <br>
| R&D Engineer <br>| Kitware Inc. <br>| <a href="http://www.kitware.com" target="_blank">www.kitware.com</a>
</font></div>
</div></div></blockquote></div><font size="4" face="garamond, serif"><br></font></div>
</div></div></blockquote></div><font size="4" face="garamond, serif"><br></font></div>
</div></div></blockquote></div><font size="4" face="garamond, serif"><br><br clear="all"></font><span><font color="#888888"><div><font size="4" face="garamond, serif"><br></font></div><font size="4" face="garamond, serif">-- <br>
| Aashish Chaudhary <br>
| R&D Engineer <br>| Kitware Inc. <br>| <a href="http://www.kitware.com" target="_blank">www.kitware.com</a>
</font></font></span></div></div></div></div><span><font color="#888888">
</font></span></blockquote></div><span><font color="#888888"><br><br clear="all"><span><font color="#888888"><div><br></div>-- <br>| Aashish Chaudhary <br>| R&D Engineer <br>| Kitware Inc. <br>
| <a href="http://www.kitware.com" target="_blank">www.kitware.com</a>
</font></span></font></span></div><span><font color="#888888">
</font></span></div></div></blockquote></div><span><font color="#888888"><br></font></span></div><span><font color="#888888">
</font></span></blockquote></div><span><font color="#888888"><br><br clear="all"><span class="HOEnZb"><font color="#888888"><div><br></div>-- <br>| Aashish Chaudhary <br>| R&D Engineer <br>| Kitware Inc. <br>
| <a href="http://www.kitware.com" target="_blank">www.kitware.com</a>
</font></span></font></span></div><span class="HOEnZb"><font color="#888888">
</font></span></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br>| Aashish Chaudhary <br>| R&D Engineer <br>| Kitware Inc. <br>| <a href="http://www.kitware.com" target="_blank">www.kitware.com</a>
</font></span></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br>| Aashish Chaudhary <br>| R&D Engineer <br>| Kitware Inc. <br>| <a href="http://www.kitware.com">www.kitware.com</a>
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