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Switched from rough zoffset to glpolygonoffset for hiddenline and flatlines modes. Less zfighting...

This commit is contained in:
Paolo Cignoni 2006-02-09 10:00:39 +00:00
parent ce453edfb1
commit 287fd21a07
1 changed files with 20 additions and 10 deletions
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30
wrap/gl/trimesh.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $
Revision 1.17 2005/12/15 14:05:59 spinelli
add test (tm==TMPerWedgeMulti)
Revision 1.16 2005/12/14 00:18:43 cignoni
multiple texture support
@ -524,33 +527,40 @@ void DrawPoints()
void DrawHidden()
{
const float ZTWIST=HNParamf[HNPZTwist];
glDepthRange(ZTWIST,1.0f);
//const float ZTWIST=HNParamf[HNPZTwist];
glPushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT | GL_LIGHTING_BIT );
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(1.0, 1);
//glDepthRange(ZTWIST,1.0f);
glDisable(GL_LIGHTING);
glColorMask(GL_FALSE,GL_FALSE,GL_FALSE,GL_FALSE);
DrawFill<NMNone,CMNone,TMNone>();
glDisable(GL_POLYGON_OFFSET_FILL);
glEnable(GL_LIGHTING);
glColorMask(GL_TRUE,GL_TRUE,GL_TRUE,GL_TRUE);
glDepthRange(0.0f,1.0f-ZTWIST);
//glDepthRange(0.0f,1.0f-ZTWIST);
DrawWire<NMPerVert,CMNone>();
glDepthRange(0,1.0f);
glPopAttrib();
// glDepthRange(0,1.0f);
}
template <NormalMode nm, ColorMode cm, TextureMode tm>
void DrawFlatWire()
{
const float ZTWIST=HNParamf[HNPZTwist];
glDepthRange(ZTWIST,1.0f);
//const float ZTWIST=HNParamf[HNPZTwist];
//glDepthRange(ZTWIST,1.0f);
glPushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT | GL_LIGHTING_BIT );
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(1.0, 1);
DrawFill<nm,cm,tm>();
glDepthRange(0.0f,1.0f-ZTWIST);
glPushAttrib(GL_CURRENT_BIT);
glDisable(GL_POLYGON_OFFSET_FILL);
//glDepthRange(0.0f,1.0f-ZTWIST);
glEnable(GL_COLOR_MATERIAL);
glColorMaterial(GL_FRONT,GL_DIFFUSE);
glColor3f(.3f,.3f,.3f);
DrawWire<NMPerVert,CMNone>();
glPopAttrib();
glDepthRange(0,1.0f);
//glDepthRange(0,1.0f);
}
template <NormalMode nm, ColorMode cm>