H h__text__TEXTh__StaticInit__TEXT6h __bss__DATA__cstring__TEXT6__data__DATAHP __mod_init_func__DATAPX  __compact_unwind__LDX ` __eh_frame__TEXTx@ h2  h   PUHSPHHH=HHH[]//VTK::System::Dec //========================================================================= // // Program: Visualization Toolkit // Module: vtkLineIntegralConvolution2D_CE.glsl // // Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen // All rights reserved. // See Copyright.txt or http://www.kitware.com/Copyright.htm for details. // // This software is distributed WITHOUT ANY WARRANTY; without even // the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR // PURPOSE. See the above copyright notice for more information. // //========================================================================= // gray scale contrast enhance stage implemented via histogram stretching // if the min and max are tweaked it can generate out-of-range values // these will be clamped in 0 to 1 // the output of this shader //VTK::Output::Dec uniform sampler2D texLIC; // most recent lic pass uniform float uMin; // min gray scale color value uniform float uMaxMinDiff; // max-min in vec2 tcoordVC; void main( void ) { vec4 lic = texture2D(texLIC, tcoordVC.st); if (lic.g!=0.0) { gl_FragData[0] = lic; } else { float CElic = clamp((lic.r - uMin)/uMaxMinDiff, 0.0, 1.0); gl_FragData[0] = vec4(CElic, lic.gb, 1.0); } } 66zRx $h6AC B2-'-=- H5b__GLOBAL__sub_I_vtkLineIntegralConvolution2D_CE.cxx__Z38vtkRenderingOpenGL2_AutoInit_Constructv__ZN20vtkDebugLeaksManagerD1Ev__ZN20vtkDebugLeaksManagerC1Ev___cxa_atexit___dso_handle__ZL28vtkDebugLeaksManagerInstance_vtkLineIntegralConvolution2D_CE