// redraw the window
void display(void)
{
WindowPtr win = mgr->getWindow();
//mgr->redraw();
win->activate();
win->frameInit();
//RenderAction *rAct = (RenderAction*)mgr->getAction();
if (multipass)
{
RenderAction *rAct = RenderAction::create();
fbo_vp->setParent(win);
rAct->setWindow(get_pointer(win));
fbo_vp->render(rAct);
fbo_vp->setParent(NullFC);
delete rAct;
//multipass = false;
}
win->getPort(0)->render(dynamic_cast<RenderAction *>(mgr->getAction()));
//win->renderAllViewports(rAct);
win->swap();
win->frameExit();
win->deactivate();
}
void
display(void)
{
float t = glutGet( GLUT_ELAPSED_TIME );
win->frameInit();
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
Matrix m;
Quaternion q;
q.setValueAsAxisDeg( 0,1,0, -t/20 );
m.setRotate( q );
tchunk1->setMatrix( m );
tchunk1->activate( dact );
mchunk1->activate( dact );
glCallList( dlid );
m.setIdentity();
m.setTranslate( cos(t/1000), 0, sin(t/1000) );
tchunk2->setMatrix( m );
tchunk2->changeFrom( dact, get_pointer(tchunk1));
mchunk2->changeFrom( dact, get_pointer(mchunk1));
blchunk->activate( dact );
blchunk->activate( dact );
cchunk1->activate( dact );
gchunk1->activate( dact );
glCallList( dlid );
tchunk2->deactivate( dact );
mchunk2->deactivate( dact );
blchunk->deactivate( dact );
cchunk1->deactivate( dact );
gchunk1->deactivate( dact );
xchunk1->activate( dact );
txchunk->activate( dact );
glCallList( dlid2 );
xchunk1->deactivate( dact );
txchunk->deactivate( dact );
win->frameExit();
glutSwapBuffers();
}
void
display(void)
{
float t = glutGet( GLUT_ELAPSED_TIME );
win->frameInit();
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
Matrix m;
Quaternion q;
q.setValueAsAxisDeg( 0,1,0, -t/20 );
m.setRotate( q );
tchunk1->setMatrix( m );
tchunk1->activate( dact );
mchunk1->activate( dact );
pchunk1->activate( dact );
lichunk1->activate( dact );
glCallList( dlid );
m.setIdentity();
m.setTranslate( cos(t/1000), 0, sin(t/1000) );
tchunk2->setMatrix( m );
pchunk2->changeFrom( dact, get_pointer(pchunk1) );
tchunk2->changeFrom( dact, get_pointer(tchunk1) );
mchunk2->changeFrom( dact, get_pointer(mchunk1) );
lichunk2->changeFrom( dact, get_pointer(lichunk1) );
blchunk->activate( dact );
glCallList( dlid );
tchunk2->deactivate( dact );
mchunk2->deactivate( dact );
pchunk2->deactivate( dact );
lichunk2->deactivate( dact );
blchunk->deactivate( dact );
xchunk1->activate( dact );
txchunk->activate( dact );
#if 0
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_SHADER_OPERATION_NV, GL_PASS_THROUGH_NV);
glTexEnvi(GL_TEXTURE_SHADER_NV, GL_RGBA_UNSIGNED_DOT_PRODUCT_MAPPING_NV,34102
);
glTexEnvf(GL_TEXTURE_SHADER_NV, GL_OFFSET_TEXTURE_SCALE_NV, 0.0000 );
glTexEnvf(GL_TEXTURE_SHADER_NV, GL_OFFSET_TEXTURE_BIAS_NV, 0.0000 );
glEnable(GL_TEXTURE_SHADER_NV);
GLint consistent;
glGetTexEnviv(GL_TEXTURE_SHADER_NV, GL_SHADER_CONSISTENT_NV,
&consistent);
if(!consistent)
{
FWARNING(("Texture shaders not consistent!\n"));
}
#endif
glCallList( dlid2 );
// glDisable(GL_TEXTURE_SHADER_NV);
xchunk1->deactivate( dact );
txchunk->deactivate( dact );
win->frameExit();
glutSwapBuffers();
}
int main( int argc, char *argv[] )
{
osgInit(argc, argv);
glutInit(&argc, argv);
glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
glutCreateWindow("OpenSG");
glutKeyboardFunc(key);
// glutReshapeFunc(resize);
glutDisplayFunc(display);
// glutMouseFunc(mouse);
// glutMotionFunc(motion);
glutIdleFunc(display);
pImage = Image::create();
// create the dummy structures
// the window is needed for the chunks that access GLObjects
win = GLUTWindow::create();
win->frameInit(); // test for preliminary calls not messing up GLexts
win->init();
dact = DrawAction::create();
dact->setWindow(get_pointer(win));
win->init();
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
gluPerspective( 60, 1, 0.1, 10 );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
gluLookAt( 3, 3, 3, 0, 0, 0, 0, 1, 0 );
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
dlid = glGenLists( 1 );
glNewList( dlid, GL_COMPILE );
glutSolidSphere( .8, 24, 24 );
glEndList();
dlid2 = glGenLists( 1 );
glNewList( dlid2, GL_COMPILE );
glBegin( GL_POLYGON );
glNormal3f( 0, 1, 0 );
glColor3f( 1, 1, 1 );
glTexCoord3f( 0, 0, 0 );
glVertex3f( -1.5, -1, -1.5 );
glTexCoord3f( 2, 0, 0 );
glVertex3f( 1.5, -1, -1.5 );
glTexCoord3f( 2, 2, 2 );
glVertex3f( 1.5, -1, 1.5 );
glTexCoord3f( 0, 2, 2 );
glVertex3f( -1.5, -1, 1.5 );
glEnd();
glEndList();
Matrix m;
tchunk1 = TransformChunk::create();
m.setTranslate( 0, 1, 0 );
tchunk1->setMatrix( m );
tchunk2 = TransformChunk::create();
tchunk2->setMatrix( Matrix::identity() );
mchunk1 = MaterialChunk::create();
mchunk1->setDiffuse( Color4f( 1,0,0,0 ) );
mchunk1->setAmbient( Color4f( 1,0,0,0 ) );
mchunk1->setShininess( 20 );
mchunk2 = MaterialChunk::create();
mchunk2->setDiffuse( Color4f( 0,1,0,0 ) );
mchunk2->setAmbient( Color4f( 0,1,0,0 ) );
mchunk2->setShininess( 50 );
// Texture chunk
// UChar8 imgdata[] =
// { 255,0,0,0, 0,255,0,0, 0,0,255,255, 255,255,255,255 };
UChar8 imgdata[] =
{ 255,0,0, 255,0,0, 255,0,255,
255,0,0, 255,0,0, 255,0,255,
255,255,0, 255,255,0, 255,255,255,
255,255,0, 255,255,0, 255,255,255, };
// UChar8 limgdata[] =
// { 0, 128, 64, 255 };
pImage->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, imgdata );
if ( argc > 1 )
pImage->read( argv[1] );
xchunk1 = TextureChunk::create();
beginEditCP(xchunk1);
xchunk1->setImage( pImage );
xchunk1->setMinFilter( GL_LINEAR );
xchunk1->setMagFilter( GL_NEAREST );
xchunk1->setWrapS( GL_REPEAT );
xchunk1->setWrapT( GL_REPEAT );
xchunk1->setEnvMode( GL_REPLACE );
xchunk1->setScale( false );
endEditCP(xchunk1);
xchunk1->imageContentChanged();
beginEditCP(xchunk1);
xchunk1->setImage( pImage );
xchunk1->setLodBias( 10 );
endEditCP(xchunk1);
UChar8 imgdata2[] =
{ 255,0,0, 0,255,0, 0,0,255, 255,255,255 };
ImagePtr pImage2 = Image::create();
pImage2->set(Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, imgdata2);
xchunk2 = TextureChunk::create();
beginEditCP(xchunk2);
xchunk2->setImage( pImage2 );
xchunk2->setMinFilter( GL_LINEAR );
xchunk2->setMagFilter( GL_NEAREST );
xchunk2->setWrapS( GL_REPEAT );
xchunk2->setWrapT( GL_REPEAT );
xchunk2->setEnvMode( GL_MODULATE );
xchunk2->setLodBias( 10 );
endEditCP(xchunk2);
// Cube Texture chunk
UChar8 negz[] = { 255,0,0, 128,0,0, 64,0,0, 255,255,255 },
posz[] = { 0,255,0, 0,128,0, 0,64,0, 255,255,255 },
negy[] = { 0,0,255, 0,0,128, 0,0,64, 255,255,255 },
posy[] = { 255,255,0, 128,128,0, 64,64,0, 255,255,255 },
negx[] = { 255,0,255, 128,0,128, 64,0,64, 255,255,255 },
posx[] = { 0,255,255, 0,128,128, 0,64,64, 255,255,255 };
ImagePtr inegz = Image::create();
ImagePtr iposz = Image::create();
ImagePtr inegy = Image::create();
ImagePtr iposy = Image::create();
ImagePtr inegx = Image::create();
ImagePtr iposx = Image::create();
inegz->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, negz );
iposz->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, posz );
inegy->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, negy );
iposy->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, posy );
inegx->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, negx );
iposx->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, posx );
cchunk1 = CubeTextureChunk::create();
beginEditCP(cchunk1);
cchunk1->setImage( inegz );
cchunk1->setPosZImage( iposz );
cchunk1->setPosYImage( iposy );
cchunk1->setNegYImage( inegy );
cchunk1->setPosXImage( iposx );
cchunk1->setNegXImage( inegx );
cchunk1->setMinFilter( GL_LINEAR );
cchunk1->setMagFilter( GL_NEAREST );
cchunk1->setWrapS( GL_REPEAT );
cchunk1->setWrapT( GL_REPEAT );
cchunk1->setEnvMode( GL_MODULATE );
cchunk1->setLodBias( 10 );
endEditCP(cchunk1);
gchunk1 = TexGenChunk::create();
beginEditCP(gchunk1);
gchunk1->setGenFuncS(GL_REFLECTION_MAP_ARB);
gchunk1->setGenFuncT(GL_REFLECTION_MAP_ARB);
gchunk1->setGenFuncR(GL_REFLECTION_MAP_ARB);
endEditCP(gchunk1);
// blend chunk
blchunk = BlendChunk::create();
#ifndef WIN32
// blchunk->setSrcFactor( GL_CONSTANT_ALPHA );
// blchunk->setDestFactor( GL_ONE_MINUS_CONSTANT_ALPHA );
#endif
blchunk->setColor( Color4f( 1,1,1,0.1 ) );
// texture transform chunk
txchunk = TextureTransformChunk::create();
beginEditCP(txchunk);
// txchunk->setMatrix( Matrix(4,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1) );
endEditCP(txchunk);
glutMainLoop();
return 0;
}
int main( int argc, char *argv[] )
{
osgInit(argc, argv);
glutInit(&argc, argv);
glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
glutCreateWindow("OpenSG");
glutKeyboardFunc(key);
// glutReshapeFunc(resize);
glutDisplayFunc(display);
// glutMouseFunc(mouse);
// glutMotionFunc(motion);
glutIdleFunc(display);
pImage = Image::create();
// create the dummy structures
// the window is needed for the chunks that access GLObjects
win = GLUTWindow::create();
win->frameInit(); // test for preliminary calls not messing up GLexts
win->init();
dact = DrawAction::create();
dact->setWindow(get_pointer(win));
win->init();
glMatrixMode( GL_PROJECTION );
glLoadIdentity();
gluPerspective( 60, 1, 0.1, 10 );
glMatrixMode( GL_MODELVIEW );
glLoadIdentity();
gluLookAt( 3, 3, 3, 0, 0, 0, 0, 1, 0 );
glEnable( GL_DEPTH_TEST );
glEnable( GL_LIGHTING );
glEnable( GL_LIGHT0 );
glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
dlid = glGenLists( 1 );
glNewList( dlid, GL_COMPILE );
glutSolidSphere( .8, 8, 8 );
glEndList();
dlid2 = glGenLists( 1 );
glNewList( dlid2, GL_COMPILE );
glBegin( GL_POLYGON );
glNormal3f( 0, 1, 0 );
glColor3f( 1, 1, 1 );
glTexCoord2f( 0, 0 );
glVertex3f( -1.5, -1, -1.5 );
glTexCoord2f( 2, 0 );
glVertex3f( 1.5, -1, -1.5 );
glTexCoord2f( 2, 2 );
glVertex3f( 1.5, -1, 1.5 );
glTexCoord2f( 0, 2 );
glVertex3f( -1.5, -1, 1.5 );
glEnd();
glEndList();
Matrix m;
tchunk1 = TransformChunk::create();
m.setTranslate( 0, 1, 0 );
tchunk1->setMatrix( m );
tchunk2 = TransformChunk::create();
tchunk2->setMatrix( Matrix::identity() );
mchunk1 = MaterialChunk::create();
mchunk1->setDiffuse( Color4f( 1,0,0,0 ) );
mchunk1->setAmbient( Color4f( 1,0,0,0 ) );
mchunk1->setShininess( 20 );
mchunk2 = MaterialChunk::create();
mchunk2->setDiffuse( Color4f( 0,1,0,0 ) );
mchunk2->setAmbient( Color4f( 0,1,0,0 ) );
mchunk2->setShininess( 50 );
// Texture chunk
// UChar8 imgdata[] =
// { 255,0,0,0, 0,255,0,0, 0,0,255,255, 255,255,255,255 };
UChar8 imgdata[] =
{ 255,0,0, 255,0,0, 255,0,255,
255,0,0, 255,0,0, 255,0,255,
255,255,0, 255,255,0, 255,255,255,
255,255,0, 255,255,0, 255,255,255, };
// UChar8 limgdata[] =
// { 0, 128, 64, 255 };
pImage->set( Image::OSG_RGB_PF, 2, 2, 1, 1, 1, 0, imgdata );
if ( argc > 1 )
pImage->read( argv[1] );
xchunk1 = TextureChunk::create();
beginEditCP(xchunk1);
xchunk1->setImage( pImage ); // NOTE: the image is NOT copied, the variable
// needs to be kept around as long as the
// texture is used
xchunk1->setMinFilter( GL_LINEAR );
xchunk1->setMagFilter( GL_NEAREST );
xchunk1->setWrapS( GL_REPEAT );
xchunk1->setWrapT( GL_REPEAT );
xchunk1->setEnvMode( GL_REPLACE );
xchunk1->setEnvColor( Color4f(.5,.5,.5,0) );
xchunk1->setScale( false );
// xchunk1->setShaderOperation(GL_PASS_THROUGH_NV);
endEditCP(xchunk1);
xchunk1->imageContentChanged();
beginEditCP(xchunk1);
xchunk1->setImage( pImage );
endEditCP(xchunk1);
// blend chunk
blchunk = BlendChunk::create();
#ifdef GL_EXT_blend_color
blchunk->setSrcFactor( GL_CONSTANT_ALPHA );
blchunk->setDestFactor( GL_ONE_MINUS_CONSTANT_ALPHA );
#endif
blchunk->setColor( Color4f( .5,.5,.5,0.1 ) );
blchunk->setEquation(GL_FUNC_SUBTRACT);
std::cout << "BlendChunk is trans:" << blchunk->isTransparent() << std::endl;
// texture transform chunk
txchunk = TextureTransformChunk::create();
beginEditCP(txchunk);
txchunk->setMatrix( Matrix(4,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1) );
endEditCP(txchunk);
// polygon chunk
pchunk1 = PolygonChunk::create();
{
UInt32 stipple[32] = {
0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff,
0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff,
0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff,
0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff,
0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff,
0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff,
0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff,
0xffff0000, 0x0000ffff, 0xffff0000, 0x0000ffff
};
pchunk1->editMFStipple()->clear();
for ( int i = 0; i < 32; i++ )
pchunk1->editMFStipple()->push_back( stipple[i] );
}
pchunk1->setFrontMode(GL_LINE);
pchunk1->setBackMode(GL_FILL);
pchunk2 = PolygonChunk::create();
{
UInt32 stipple[32] = {
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
0x00000000, 0x00000000, 0x00000000, 0x00000000,
};
pchunk2->editMFStipple()->clear();
for ( int i = 0; i < 32; i++ )
pchunk2->editMFStipple()->push_back( stipple[i] );
}
lichunk1 = LineChunk::create();
lichunk1->setSmooth(true);
lichunk1->setStipplePattern(0xf0f0);
lichunk2 = LineChunk::create();
lichunk2->setStippleRepeat(5);
lichunk2->setStipplePattern(0xaaaa);
glutMainLoop();
return 0;
}
