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/**************************************************************************\
*
* This file is part of the Coin 3D visualization library.
* Copyright (C) by Kongsberg Oil & Gas Technologies.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.GPL at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using Coin with software that can not be combined with the GNU
* GPL, and for taking advantage of the additional benefits of our
* support services, please contact Kongsberg Oil & Gas Technologies
* about acquiring a Coin Professional Edition License.
*
* See http://www.coin3d.org/ for more information.
*
* Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
* http://www.sim.no/ sales@sim.no coin-support@coin3d.org
*
\**************************************************************************/
/*!
\class SoBaseColor SoBaseColor.h Inventor/nodes/SoBaseColor.h
\brief The SoBaseColor class provides a node type for convenient setting of the base material color.
\ingroup nodes
If you want to just set the diffuse color of the following geometry,
you can use this node for simplicity.
<b>FILE FORMAT/DEFAULTS:</b>
\code
BaseColor {
rgb 0.8 0.8 0.8
}
\endcode
\sa SoMaterial
*/
#include <Inventor/nodes/SoBaseColor.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif // HAVE_CONFIG_H
#include <Inventor/actions/SoCallbackAction.h>
#include <Inventor/actions/SoGLRenderAction.h>
#include <Inventor/actions/SoPickAction.h>
#include <Inventor/elements/SoGLLazyElement.h>
#include <Inventor/elements/SoDiffuseColorElement.h>
#include <Inventor/elements/SoOverrideElement.h>
#include <Inventor/elements/SoGLVBOElement.h>
#ifdef COIN_THREADSAFE
#include <Inventor/threads/SbStorage.h>
#endif // COIN_THREADSAFE
#include "misc/SoVBO.h"
#include "nodes/SoSubNodeP.h"
/*!
\var SoMFColor SoBaseColor::rgb
Color values. Default value of field is to have a single grey color.
*/
#ifndef DOXYGEN_SKIP_THIS
class SoBaseColorP {
public:
SoBaseColorP() :
#ifdef COIN_THREADSAFE
colorpacker_storage(sizeof(void*), alloc_colorpacker, free_colorpacker),
#endif // COIN_THREADSAFE
vbo(NULL) { }
~SoBaseColorP() { delete this->vbo; }
#ifdef COIN_THREADSAFE
SbStorage colorpacker_storage;
#else // COIN_THREADSAFE
SoColorPacker single_colorpacker;
#endif // COIN_THREADSAFE
SoColorPacker * getColorPacker(void) {
#ifdef COIN_THREADSAFE
SoColorPacker ** cptr = (SoColorPacker**) this->colorpacker_storage.get();
return * cptr;
#else // COIN_THREADSAFE
return &this->single_colorpacker;
#endif // COIN_THREADSAFE
}
SoVBO * vbo;
#ifdef COIN_THREADSAFE
private:
static void alloc_colorpacker(void * data) {
SoColorPacker ** cptr = (SoColorPacker**) data;
*cptr = new SoColorPacker;
}
static void free_colorpacker(void * data) {
SoColorPacker ** cptr = (SoColorPacker**) data;
delete *cptr;
}
#endif // COIN_THREADSAFE
};
#endif // DOXYGEN_SKIP_THIS
#define PRIVATE(obj) ((obj)->pimpl)
// *************************************************************************
SO_NODE_SOURCE(SoBaseColor);
/*!
Constructor.
*/
SoBaseColor::SoBaseColor()
{
PRIVATE(this) = new SoBaseColorP;
SO_NODE_INTERNAL_CONSTRUCTOR(SoBaseColor);
SO_NODE_ADD_FIELD(rgb, (SbColor(0.8f, 0.8f, 0.8f)));
}
/*!
Destructor.
*/
SoBaseColor::~SoBaseColor()
{
delete PRIVATE(this);
}
// Doc from superclass.
void
SoBaseColor::initClass(void)
{
SO_NODE_INTERNAL_INIT_CLASS(SoBaseColor, SO_FROM_INVENTOR_1);
SO_ENABLE(SoGLRenderAction, SoGLLazyElement);
SO_ENABLE(SoCallbackAction, SoLazyElement);
SO_ENABLE(SoCallbackAction, SoDiffuseColorElement);
SO_ENABLE(SoGLRenderAction, SoDiffuseColorElement);
}
// Doc from superclass.
void
SoBaseColor::GLRender(SoGLRenderAction * action)
{
SoBaseColor::doAction(action);
}
// Doc from superclass.
void
SoBaseColor::doAction(SoAction * action)
{
SoState * state = action->getState();
if (!this->rgb.isIgnored() && this->rgb.getNum() &&
!SoOverrideElement::getDiffuseColorOverride(state)) {
const int num = this->rgb.getNum();
SoLazyElement::setDiffuse(state, this, num,
this->rgb.getValues(0), PRIVATE(this)->getColorPacker());
if (state->isElementEnabled(SoGLVBOElement::getClassStackIndex())) {
SbBool setvbo = FALSE;
SoBase::staticDataLock();
if (SoGLVBOElement::shouldCreateVBO(state, num)) {
setvbo = TRUE;
if (PRIVATE(this)->vbo == NULL) {
PRIVATE(this)->vbo = new SoVBO(GL_ARRAY_BUFFER, GL_STATIC_DRAW);
}
}
else if (PRIVATE(this)->vbo) {
PRIVATE(this)->vbo->setBufferData(NULL, 0, 0);
}
// don't fill in any data in the VBO. Data will be filled in
// using the ColorPacker right before the VBO is used
SoBase::staticDataUnlock();
if (setvbo) {
SoGLVBOElement::setColorVBO(state, PRIVATE(this)->vbo);
}
}
if (this->isOverride()) {
SoOverrideElement::setDiffuseColorOverride(state, this, TRUE);
}
}
}
// Doc from superclass.
void
SoBaseColor::callback(SoCallbackAction * action)
{
SoBaseColor::doAction(action);
}
#undef PRIVATE
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