open_toontown_panda3d/panda/src/pgraph/texMatrixAttrib.I

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// Filename: texMatrixAttrib.I
// Created by: drose (14Mar02)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: TexMatrixAttrib::Constructor
// Access: Protected
// Description: Use TexMatrixAttrib::make() to construct a new
// TexMatrixAttrib object.
////////////////////////////////////////////////////////////////////
INLINE TexMatrixAttrib::
TexMatrixAttrib() : _stage_list_stale(true) {
}
////////////////////////////////////////////////////////////////////
// Function: TexMatrixAttrib::Copy Constructor
// Access: Protected
// Description: Use TexMatrixAttrib::make() to construct a new
// TexMatrixAttrib object.
////////////////////////////////////////////////////////////////////
INLINE TexMatrixAttrib::
TexMatrixAttrib(const TexMatrixAttrib &copy) :
_stages(copy._stages),
_stage_list_stale(true)
{
}
////////////////////////////////////////////////////////////////////
// Function: TexMatrixAttrib::get_geom_rendering
// Access: Published
// Description: Returns the union of the Geom::GeomRendering bits
// that will be required once this TexMatrixAttrib is
// applied to a geom which includes the indicated
// geom_rendering bits.
////////////////////////////////////////////////////////////////////
INLINE int TexMatrixAttrib::
get_geom_rendering(int geom_rendering) const {
if ((geom_rendering & Geom::GR_point_sprite) != 0) {
if (!is_empty()) {
geom_rendering |= Geom::GR_point_sprite_tex_matrix;
}
}
return geom_rendering;
}
////////////////////////////////////////////////////////////////////
// Function: TexMatrixAttrib::check_stage_list
// Access: Private
// Description: Builds the linear list of TextureStages if it needs
// to be built.
////////////////////////////////////////////////////////////////////
INLINE void TexMatrixAttrib::
check_stage_list() const {
if (_stage_list_stale) {
((TexMatrixAttrib *)this)->rebuild_stage_list();
}
}