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OSGTexGenChunk.cpp File Reference

#include <stdlib.h>
#include <stdio.h>
#include <OSGConfig.h>
#include <OSGGL.h>
#include <OSGGLU.h>
#include "OSGDrawActionBase.h"
#include "OSGTextureChunk.h"
#include "OSGTexGenChunk.h"
#include "OSGCamera.h"
#include "OSGViewport.h"

Go to the source code of this file.

Namespaces

namespace  osg

Functions

static void setGenFunc (GLenum coord, GLenum gen, GLenum func, Vec4f &plane, NodePtr beacon, Matrix &cameraMat)
static void changeGenFunc (GLenum oldfunc, NodePtr oldbeacon, GLenum coord, GLenum gen, GLenum func, Vec4f &plane, NodePtr beacon, Matrix &cameraMat)

Variables

static Char8 cvsid_cpp [] = "@(#)$Id: $"
static Char8 cvsid_hpp [] = OSGTEXGENCHUNK_HEADER_CVSID
static Char8 cvsid_inl [] = OSGTEXGENCHUNK_INLINE_CVSID
static Char8 cvsid_fields_hpp [] = OSGTEXGENCHUNKFIELDS_HEADER_CVSID

Function Documentation

static void setGenFunc (  GLenum  coord,
GLenum  gen,
GLenum  func,
Vec4f &  plane,
NodePtr  beacon,
Matrix &  cameraMat
)  [inline, static]
 

Definition at line 142 of file OSGTexGenChunk.cpp.

References osg::PointInterface< ValueTypeT, StorageInterfaceT >::getValues(), osg::TransformationMatrix< ValueTypeT >::getValues(), osg::TransformationMatrix< ValueTypeT >::multLeft(), and osg::NullFC.

Referenced by osg::TexGenChunk::activate().

00144 {
00145     if(beacon != NullFC)
00146     {
00147         Matrix beaconMat;
00148         beacon->getToWorld(beaconMat);
00149         beaconMat.multLeft(cameraMat);
00150         glPushMatrix();
00151         glLoadMatrixf(beaconMat.getValues());
00152         glTexGenfv(coord, GL_EYE_PLANE, (GLfloat*)plane.getValues());
00153         glTexGeni(coord, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
00154         glPopMatrix();
00155         glEnable(gen);
00156     }        
00157     else if(func == GL_EYE_LINEAR)
00158     {
00159         glPushMatrix();
00160         glLoadIdentity();
00161         glTexGenfv(coord, GL_EYE_PLANE, (GLfloat*)plane.getValues());
00162         glTexGeni(coord, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
00163         glPopMatrix();
00164         glEnable(gen);
00165     }        
00166     else if(func != GL_NONE)                                         
00167     {                                                                   
00168         glTexGeni(coord, GL_TEXTURE_GEN_MODE, func);
00169         
00170         if(func == GL_OBJECT_LINEAR)
00171             glTexGenfv(coord, GL_OBJECT_PLANE, (GLfloat*)plane.getValues());
00172         else if(func == GL_EYE_LINEAR)
00173             glTexGenfv(coord, GL_EYE_PLANE, (GLfloat*)plane.getValues());
00174             
00175         glEnable(gen);
00176     }
00177 }

static void changeGenFunc (  GLenum  oldfunc,
NodePtr  oldbeacon,
GLenum  coord,
GLenum  gen,
GLenum  func,
Vec4f &  plane,
NodePtr  beacon,
Matrix &  cameraMat
)  [inline, static]
 

Definition at line 234 of file OSGTexGenChunk.cpp.

References osg::PointInterface< ValueTypeT, StorageInterfaceT >::getValues(), osg::TransformationMatrix< ValueTypeT >::getValues(), osg::TransformationMatrix< ValueTypeT >::multLeft(), and osg::NullFC.

Referenced by osg::TexGenChunk::changeFrom().

00237 {
00238     if(beacon != NullFC)
00239     {
00240         Matrix beaconMat;
00241         beacon->getToWorld(beaconMat);
00242         beaconMat.multLeft(cameraMat);
00243         glPushMatrix();
00244         glLoadMatrixf(beaconMat.getValues());
00245         glTexGenfv(coord, GL_EYE_PLANE, (GLfloat*)plane.getValues());
00246         glTexGeni(coord, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
00247         glPopMatrix();
00248         if(oldfunc == GL_NONE && oldbeacon == NullFC) 
00249             glEnable(gen);
00250     }
00251     else if(func != GL_NONE)                                         
00252     {                                                                   
00253         glTexGeni(coord, GL_TEXTURE_GEN_MODE, func);        
00254         
00255         if(func == GL_OBJECT_LINEAR)
00256             glTexGenfv(coord, GL_OBJECT_PLANE, (GLfloat*)plane.getValues());
00257         else if(func == GL_EYE_LINEAR)
00258             glTexGenfv(coord, GL_EYE_PLANE, (GLfloat*)plane.getValues());
00259             
00260         if(oldfunc == GL_NONE && oldbeacon == NullFC) 
00261             glEnable(gen);
00262     }
00263     else if(oldfunc != GL_NONE || oldbeacon != NullFC) 
00264         glDisable(gen);  
00265 }

Variable Documentation

Char8 cvsid_cpp[] = "@(#)$Id: $" [static]
 

Definition at line 434 of file OSGTexGenChunk.cpp.

Char8 cvsid_hpp[] = OSGTEXGENCHUNK_HEADER_CVSID [static]
 

Definition at line 435 of file OSGTexGenChunk.cpp.

Char8 cvsid_inl[] = OSGTEXGENCHUNK_INLINE_CVSID [static]
 

Definition at line 436 of file OSGTexGenChunk.cpp.

Char8 cvsid_fields_hpp[] = OSGTEXGENCHUNKFIELDS_HEADER_CVSID [static]
 

Definition at line 438 of file OSGTexGenChunk.cpp.

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