428 lines
12 KiB
C++
428 lines
12 KiB
C++
|
#include <stdio.h>
|
||
|
|
#include "osg/GL"
|
||
|
|
#include "osg/GeoSet"
|
||
|
|
#include "osg/Notify"
|
||
|
|
|
||
|
|
using namespace osg;
|
||
|
|
|
||
|
|
#define DO_SHADING 1
|
||
|
|
|
||
|
|
#define I_ON (1<<4)
|
||
|
|
#define C_ON (1<<3)
|
||
|
|
#define N_ON (1<<2)
|
||
|
|
#define T_ON (1<<1)
|
||
|
|
#define V_ON (1<<0)
|
||
|
|
|
||
|
|
void GeoSet::set_fast_path( void )
|
||
|
|
{
|
||
|
|
if( _iaformat != IA_OFF )
|
||
|
|
{
|
||
|
|
_fast_path = I_ON;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if( ( _normal_binding != BIND_PERPRIM) &&
|
||
|
|
( _nindex == 0L ) &&
|
||
|
|
( _color_binding != BIND_PERPRIM) &&
|
||
|
|
( _colindex == 0L ) &&
|
||
|
|
( _primtype != FLAT_LINE_STRIP ) &&
|
||
|
|
( _primtype != FLAT_TRIANGLE_STRIP ) &&
|
||
|
|
( _primtype != FLAT_TRIANGLE_FAN )
|
||
|
|
)
|
||
|
|
_fast_path = V_ON;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_fast_path = 0;
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
|
||
|
|
if( _normal_binding == BIND_PERPRIM )
|
||
|
|
notify( DEBUG ) << "Geoset - Failed fast path because NORMALS are bound PER_PRIM\n";
|
||
|
|
|
||
|
|
if( _nindex != 0L )
|
||
|
|
notify( DEBUG ) << "Geoset - Failed fast path because NORMAL indeces are specified\n";
|
||
|
|
|
||
|
|
if( _color_binding == BIND_PERPRIM )
|
||
|
|
notify( DEBUG ) << "Geoset - Failed fast path because COLORS are bound PER_PRIM\n";
|
||
|
|
|
||
|
|
if( _cindex != 0L )
|
||
|
|
notify( DEBUG ) << "Geoset - Failed fast path because COLOR indeces are specified\n";
|
||
|
|
|
||
|
|
if( _primtype == FLAT_LINE_STRIP )
|
||
|
|
notify( DEBUG ) << "Geoset - Failed fast path because primitive is FLAT_LINE_STRIP\n";
|
||
|
|
|
||
|
|
if ( _primtype == FLAT_TRIANGLE_STRIP )
|
||
|
|
notify( DEBUG ) << "Geoset - Failed fast path because primitive is FLAT_TRIANGLE_STRIP\n";
|
||
|
|
|
||
|
|
if ( _primtype == FLAT_TRIANGLE_FAN )
|
||
|
|
notify( DEBUG ) << "Geoset - Failed fast path because primitive is FLAT_TRIANGLE_FAN\n";
|
||
|
|
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
if( _fast_path )
|
||
|
|
{
|
||
|
|
if( _color_binding == BIND_PERVERTEX )
|
||
|
|
_fast_path |= C_ON;
|
||
|
|
if( _normal_binding == BIND_PERVERTEX )
|
||
|
|
_fast_path |= N_ON;
|
||
|
|
if( _texture_binding == BIND_PERVERTEX )
|
||
|
|
_fast_path |= T_ON;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
notify(INFO) << "GeoSet - fast path = " << _fast_path << "\n";
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void GeoSet::draw_fast_path( void )
|
||
|
|
{
|
||
|
|
ushort *ocindex = _cindex;
|
||
|
|
|
||
|
|
switch( _fast_path )
|
||
|
|
{
|
||
|
|
case (I_ON) :
|
||
|
|
_cindex = _iaindex;
|
||
|
|
glInterleavedArrays( (GLenum)_ogliaformat, 0, _iarray );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (V_ON) :
|
||
|
|
glDisableClientState( GL_COLOR_ARRAY );
|
||
|
|
glDisableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (T_ON|V_ON) :
|
||
|
|
glDisableClientState( GL_COLOR_ARRAY );
|
||
|
|
glDisableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glTexCoordPointer( 2, GL_FLOAT, 0, (GLfloat *)_tcoords );
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (N_ON|V_ON) :
|
||
|
|
glDisableClientState( GL_COLOR_ARRAY );
|
||
|
|
glEnableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glNormalPointer( GL_FLOAT, 0, (GLfloat *)_normals );
|
||
|
|
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (N_ON|T_ON|V_ON) :
|
||
|
|
glDisableClientState( GL_COLOR_ARRAY );
|
||
|
|
glEnableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glNormalPointer( GL_FLOAT, 0, (GLfloat *)_normals );
|
||
|
|
glEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glTexCoordPointer( 2, GL_FLOAT, 0, (GLfloat *)_tcoords );
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (C_ON|V_ON) :
|
||
|
|
glEnableClientState( GL_COLOR_ARRAY );
|
||
|
|
glColorPointer( 4, GL_FLOAT, 0, (GLfloat *)_colors );
|
||
|
|
glDisableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case (C_ON|T_ON|V_ON) :
|
||
|
|
glEnableClientState( GL_COLOR_ARRAY );
|
||
|
|
glColorPointer( 4, GL_FLOAT, 0, (GLfloat *)_colors );
|
||
|
|
glDisableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glTexCoordPointer( 2, GL_FLOAT, 0, (GLfloat *)_tcoords );
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (C_ON|N_ON|V_ON) :
|
||
|
|
glEnableClientState( GL_COLOR_ARRAY );
|
||
|
|
glColorPointer( 4, GL_FLOAT, 0, (GLfloat *)_colors );
|
||
|
|
glEnableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glNormalPointer( GL_FLOAT, 0, (GLfloat *)_normals );
|
||
|
|
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
break;
|
||
|
|
|
||
|
|
case (C_ON|N_ON|T_ON|V_ON) :
|
||
|
|
glEnableClientState( GL_COLOR_ARRAY );
|
||
|
|
glColorPointer( 4, GL_FLOAT, 0, (GLfloat *)_colors );
|
||
|
|
glEnableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glNormalPointer( GL_FLOAT, 0, (GLfloat *)_normals );
|
||
|
|
glEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glTexCoordPointer( 2, GL_FLOAT, 0, (GLfloat *)_tcoords );
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( _color_binding == BIND_OVERALL )
|
||
|
|
{
|
||
|
|
if( _colindex != 0L )
|
||
|
|
glColor4fv( (GLfloat * )&_colors[_colindex[0]] );
|
||
|
|
else
|
||
|
|
glColor4fv( (GLfloat * )&_colors[0] );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( _normal_binding == BIND_OVERALL )
|
||
|
|
{
|
||
|
|
if( _nindex != 0L )
|
||
|
|
glNormal3fv( (GLfloat * )&_normals[_nindex[0]] );
|
||
|
|
else
|
||
|
|
glNormal3fv( (GLfloat * )&_normals[0] );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( _needprimlen ) // LINE_STRIP, LINE_LOOP, TRIANGLE_STRIP,
|
||
|
|
// TRIANGLE_FAN, QUAD_STRIP, POLYGONS
|
||
|
|
{
|
||
|
|
int index = 0;
|
||
|
|
if( _primLengths == (int *)0 )
|
||
|
|
{
|
||
|
|
notify(WARN) << "GeoSet->draw() : " "Primitive lengths required\n";
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
for( int i = 0; i < _numprims; i++ )
|
||
|
|
{
|
||
|
|
if( _cindex != (ushort *)0L )
|
||
|
|
glDrawElements( (GLenum)_oglprimtype, _primLengths[i], GL_UNSIGNED_SHORT, &_cindex[index] );
|
||
|
|
else
|
||
|
|
glDrawArrays( (GLenum)_oglprimtype, index, _primLengths[i] );
|
||
|
|
index += _primLengths[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else // POINTS, LINES, TRIANGLES, QUADS
|
||
|
|
{
|
||
|
|
if( _cindex != (ushort *)0L )
|
||
|
|
glDrawElements( (GLenum)_oglprimtype, _numindices, GL_UNSIGNED_SHORT, _cindex );
|
||
|
|
else
|
||
|
|
glDrawArrays( (GLenum)_oglprimtype, 0, _numcoords );
|
||
|
|
}
|
||
|
|
|
||
|
|
_cindex = ocindex;
|
||
|
|
}
|
||
|
|
|
||
|
|
void GeoSet::draw_alternate_path( void )
|
||
|
|
{
|
||
|
|
if( (_color_binding == BIND_PERVERTEX) && (_cindex == 0L) && (_flat_shaded_skip == 0) )
|
||
|
|
{
|
||
|
|
glEnableClientState( GL_COLOR_ARRAY );
|
||
|
|
glColorPointer( 4, GL_FLOAT, 0, (GLfloat *)_colors );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
glDisableClientState( GL_COLOR_ARRAY );
|
||
|
|
if( _color_binding == BIND_OVERALL )
|
||
|
|
{
|
||
|
|
if( _colindex )
|
||
|
|
glColor4fv( (GLfloat *)&_colors[_colindex[0]] );
|
||
|
|
else
|
||
|
|
glColor4fv( (GLfloat *)&_colors[0] );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if( (_normal_binding == BIND_PERVERTEX) && (_nindex == 0L) && (_flat_shaded_skip == 0) )
|
||
|
|
{
|
||
|
|
glEnableClientState( GL_NORMAL_ARRAY );
|
||
|
|
glNormalPointer( GL_FLOAT, 0, (GLfloat *)_normals );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
glDisableClientState( GL_NORMAL_ARRAY );
|
||
|
|
if( _normal_binding == BIND_OVERALL )
|
||
|
|
{
|
||
|
|
if( _nindex )
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[_nindex[0]] );
|
||
|
|
else
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[0] );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if( (_texture_binding == BIND_PERVERTEX) && (_tindex == 0L) )
|
||
|
|
{
|
||
|
|
glEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
glTexCoordPointer( 2, GL_FLOAT, 0, _tcoords );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
||
|
|
|
||
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
||
|
|
glVertexPointer( 3, GL_FLOAT, 0, (GLfloat *)_coords );
|
||
|
|
|
||
|
|
if( _needprimlen ) // LINE_STRIP, LINE_LOOP, TRIANGLE_STRIP,
|
||
|
|
// TRIANGLE_FAN, QUAD_STRIP, POLYGONS
|
||
|
|
// FLAT_LINE_STRIP, FLAT_TRIANGLE_STRIP, FLAT_TRIANGLE_FAN
|
||
|
|
{
|
||
|
|
int i, j;
|
||
|
|
int index = 0;
|
||
|
|
int ai = 0;
|
||
|
|
int ci = 0;
|
||
|
|
int ni = 0;
|
||
|
|
int ti = 0;
|
||
|
|
|
||
|
|
if( _primLengths == (int *)0 )
|
||
|
|
{
|
||
|
|
notify(WARN) << "GeoSet->draw() : " "Primitive lengths required\n";
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
for( i = 0; i < _numprims; i++ )
|
||
|
|
{
|
||
|
|
if( _color_binding == BIND_PERPRIM )
|
||
|
|
{
|
||
|
|
if( _colindex )
|
||
|
|
glColor4fv( (GLfloat *)&_colors[_colindex[ci++]] );
|
||
|
|
else
|
||
|
|
glColor4fv( (GLfloat *)&_colors[ci++] );
|
||
|
|
}
|
||
|
|
if( _normal_binding == BIND_PERPRIM )
|
||
|
|
{
|
||
|
|
if( _nindex )
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[_nindex[ni++]] );
|
||
|
|
else
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[ni++] );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( _flat_shaded_skip )
|
||
|
|
{
|
||
|
|
#ifdef DO_SHADING
|
||
|
|
glShadeModel( GL_FLAT );
|
||
|
|
#endif
|
||
|
|
glBegin( (GLenum)_oglprimtype );
|
||
|
|
for( j = 0; j < _primLengths[i]; j++ )
|
||
|
|
{
|
||
|
|
if( j >= _flat_shaded_skip )
|
||
|
|
{
|
||
|
|
if( _color_binding == BIND_PERVERTEX )
|
||
|
|
{
|
||
|
|
if( (_colindex != 0L) )
|
||
|
|
glColor4fv( (GLfloat *)&_colors[_colindex[ci++]] );
|
||
|
|
else
|
||
|
|
glColor4fv( (GLfloat *)&_colors[ci++] );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( _normal_binding == BIND_PERVERTEX )
|
||
|
|
{
|
||
|
|
if(_nindex != 0L)
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[_nindex[ni++]] );
|
||
|
|
else
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[ni++] );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if( _texture_binding == BIND_PERVERTEX )
|
||
|
|
{
|
||
|
|
if( _tindex != 0L )
|
||
|
|
glTexCoord2fv( (GLfloat *)&_tcoords[_tindex[ti++]] );
|
||
|
|
else
|
||
|
|
glTexCoord2fv( (GLfloat *)&_tcoords[ti++] );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( _cindex )
|
||
|
|
glArrayElement( _cindex[ai++] );
|
||
|
|
else
|
||
|
|
glArrayElement( ai++ );
|
||
|
|
}
|
||
|
|
glEnd();
|
||
|
|
|
||
|
|
#ifdef DO_SHADING
|
||
|
|
glShadeModel( GL_SMOOTH );
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
else
|
||
|
|
if( ((_color_binding == BIND_PERVERTEX ) && (_colindex != 0L) ) ||
|
||
|
|
((_normal_binding == BIND_PERVERTEX ) && (_nindex != 0L) ) ||
|
||
|
|
((_texture_binding == BIND_PERVERTEX ) && (_tindex != 0L) ) )
|
||
|
|
{
|
||
|
|
glBegin( (GLenum)_oglprimtype );
|
||
|
|
for( j = 0; j < _primLengths[i]; j++ )
|
||
|
|
{
|
||
|
|
if( (_color_binding == BIND_PERVERTEX) && (_colindex != 0L) )
|
||
|
|
glColor4fv( (GLfloat *)&_colors[_colindex[ci++]] );
|
||
|
|
|
||
|
|
if( (_normal_binding == BIND_PERVERTEX) && (_nindex != 0L) )
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[_nindex[ci++]] );
|
||
|
|
|
||
|
|
if( (_texture_binding == BIND_PERVERTEX) && (_tindex != 0L) )
|
||
|
|
glTexCoord2fv( (GLfloat *)&_tcoords[_tindex[ti++]] );
|
||
|
|
|
||
|
|
if( _cindex )
|
||
|
|
glArrayElement( _cindex[ai++] );
|
||
|
|
else
|
||
|
|
glArrayElement( ai++ );
|
||
|
|
}
|
||
|
|
glEnd();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if( _cindex != (ushort *)0L )
|
||
|
|
glDrawElements( (GLenum)_oglprimtype, _primLengths[i], GL_UNSIGNED_SHORT, &_cindex[index] );
|
||
|
|
else
|
||
|
|
glDrawArrays( (GLenum)_oglprimtype, index, _primLengths[i] );
|
||
|
|
}
|
||
|
|
index += _primLengths[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else // POINTS, LINES, TRIANGLES, QUADS
|
||
|
|
{
|
||
|
|
int i, j;
|
||
|
|
if( _normal_binding == BIND_PERPRIM || _color_binding == BIND_PERPRIM ||
|
||
|
|
((_color_binding == BIND_PERVERTEX ) && (_colindex != 0L) ) ||
|
||
|
|
((_normal_binding == BIND_PERVERTEX ) && (_nindex != 0L) ) ||
|
||
|
|
((_texture_binding == BIND_PERVERTEX ) && (_tindex != 0L) ) )
|
||
|
|
{
|
||
|
|
glBegin( (GLenum)_oglprimtype );
|
||
|
|
for( i = 0; i < _numprims; i++ )
|
||
|
|
{
|
||
|
|
if( _color_binding == BIND_PERPRIM )
|
||
|
|
{
|
||
|
|
if( _colindex )
|
||
|
|
glColor4fv( (GLfloat *)&_colors[_colindex[i]] );
|
||
|
|
else
|
||
|
|
glColor4fv( (GLfloat *)&_colors[i] );
|
||
|
|
}
|
||
|
|
if( _normal_binding == BIND_PERPRIM )
|
||
|
|
{
|
||
|
|
if( _nindex )
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[_nindex[i]] );
|
||
|
|
else
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[i] );
|
||
|
|
}
|
||
|
|
|
||
|
|
for( j = 0; j < _primlength; j++ )
|
||
|
|
{
|
||
|
|
if( (_color_binding == BIND_PERVERTEX) && (_colindex != 0L ) )
|
||
|
|
glColor4fv( (GLfloat *)&_colors[_colindex[i*_primlength+j]] );
|
||
|
|
|
||
|
|
if( (_normal_binding == BIND_PERVERTEX) && (_nindex != 0L ) )
|
||
|
|
glNormal3fv( (GLfloat *)&_normals[_nindex[i*_primlength+j]] );
|
||
|
|
|
||
|
|
if( (_texture_binding == BIND_PERVERTEX) && (_tindex != 0L ) )
|
||
|
|
glTexCoord2fv( (GLfloat *)&_tcoords[_tindex[i*_primlength+j]] );
|
||
|
|
|
||
|
|
glArrayElement( i*_primlength+j );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
glEnd();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if( _cindex != (ushort *)0L )
|
||
|
|
glDrawElements( (GLenum)_oglprimtype, _numindices, GL_UNSIGNED_SHORT, _cindex );
|
||
|
|
else
|
||
|
|
glDrawArrays( (GLenum)_oglprimtype, 0, _numcoords );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|