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This commit is contained in:
Gabriele Cosmo
2016-06-09 11:11:55 +02:00
parent e083ffb441
commit 516dbf1a58
5914 changed files with 202605 additions and 71141 deletions
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source/visualization/OpenGL/src/G4OpenGLViewer.cc
+2 -86
View File
@@ -21,8 +21,8 @@
// ********************************************************************
//
//
// $Id: G4OpenGLViewer.cc,v 1.18 2003/06/10 17:58:56 gcosmo Exp $
// GEANT4 tag $Name: geant4-05-02-patch-01 $
// $Id: G4OpenGLViewer.cc,v 1.19 2004/07/09 15:44:26 johna Exp $
// GEANT4 tag $Name: geant4-07-00-cand-01 $
//
//
// Andrew Walkden 27th March 1996
@@ -203,88 +203,4 @@ void G4OpenGLViewer::HaloingSecondPass () {
}
void G4OpenGLViewer::HLRFirstPass () {
G4cout << "First pass HLR" << G4endl;
//Hidden line drawing requires three renderings to different buffers, so it
//cannot be treated in G4OpenGLSceneHandler alone (as can wireframe or hidden
//surface (solid) mode)
//So, after SIGGRAPH97
//1) Disable the colour and depth buffers, and Draw polygons in wireframe
// mode to the stencil buffer, setting stencil value to 1 where pixels go.
//First, disable writing to the colo(u)r buffer...
glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
//Enable the stencil buffer...
glEnable (GL_STENCIL_TEST);
//Now disable writing to the depth buffer...
glDisable (GL_DEPTH_TEST);
//Clear all stencil buffer values to 0...
glClearStencil (0);
glClear (GL_STENCIL_BUFFER_BIT);
//Prepare stencil buffer...
glStencilFunc (GL_ALWAYS, //When to pass a pixel in the stencil test
0x1, //The ref val to compare with masked stencil val
0x1); //The mask to AND with ref and val before test
glStencilOp (GL_KEEP, //If stencil test fails *irrelevant*
GL_KEEP, //If depth test passes *irrelevant*
GL_REPLACE); //If no depth test *this is applied to every pixel
//drawn to the stencil buffer in this pass*
//Hence, everywhere a pixel is drawn, stencil value=1, 0 everywhere else.
//Set the drawing style to wireframe...
fVP.SetDrawingStyle (G4ViewParameters::wireframe);
NeedKernelVisit ();
ProcessView ();
}
void G4OpenGLViewer::HLRSecondPass () {
G4cout << "Second pass HLR" << G4endl;
//2) Use the stencil buffer to mask out pixels where stencil value = 1, and
// render to the stencil buffer as depth tested filled polygons.
glStencilFunc (GL_EQUAL, 0x1, 0x1);
glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
glDepthFunc (GL_LEQUAL);
glEnable (GL_DEPTH_TEST);
//Set the drawing style to hlhsr (solid)...
fVP.SetDrawingStyle (G4ViewParameters::hsr);
NeedKernelVisit ();
ProcessView ();
}
void G4OpenGLViewer::HLRThirdPass () {
//3) Turn off the stencil buffer, turn on the colour buffer
// and render polygons in wireframe mode.
G4cout << "Third pass HLR" << G4endl;
glDisable (GL_STENCIL_TEST);
glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
//Set the drawing style to hlr wireframe...
fVP.SetDrawingStyle (G4ViewParameters::wireframe);
NeedKernelVisit ();
ProcessView ();
fVP.SetDrawingStyle (G4ViewParameters::hlr);
}
#endif