661 lines
19 KiB
C++
661 lines
19 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
#include <osg/GLExtensions>
|
|
#include <osg/State>
|
|
#include <osg/Notify>
|
|
#include <osg/GLU>
|
|
|
|
#include <algorithm>
|
|
|
|
using namespace osg;
|
|
|
|
State::State()
|
|
{
|
|
_contextID = 0;
|
|
_identity = new osg::RefMatrix(); // default RefMatrix constructs to identity.
|
|
_projection = _identity;
|
|
_modelView = _identity;
|
|
|
|
_reportGLErrors = true;
|
|
|
|
_currentActiveTextureUnit=0;
|
|
_currentClientActiveTextureUnit=0;
|
|
|
|
_isSecondColorSupportResolved = false;
|
|
_isSecondColorSupported = false;
|
|
|
|
_isFogCoordSupportResolved = false;
|
|
_isFogCoordSupported = false;
|
|
}
|
|
|
|
State::~State()
|
|
{
|
|
}
|
|
|
|
void State::reset()
|
|
{
|
|
/*
|
|
for(ModeMap::iterator mitr=_modeMap.begin();
|
|
mitr!=_modeMap.end();
|
|
++mitr)
|
|
{
|
|
ModeStack& ms = mitr->second;
|
|
ms.valueVec.clear();
|
|
ms.last_applied_value = !ms.global_default_value;
|
|
ms.changed = true;
|
|
}
|
|
*/
|
|
|
|
_modeMap.clear();
|
|
_modeMap[GL_DEPTH_TEST].global_default_value = true;
|
|
_modeMap[GL_DEPTH_TEST].changed = true;
|
|
|
|
// go through all active StateAttribute's, setting to change to force update,
|
|
// the idea is to leave only the global defaults left.
|
|
for(AttributeMap::iterator aitr=_attributeMap.begin();
|
|
aitr!=_attributeMap.end();
|
|
++aitr)
|
|
{
|
|
AttributeStack& as = aitr->second;
|
|
as.attributeVec.clear();
|
|
as.last_applied_attribute = NULL;
|
|
as.changed = true;
|
|
}
|
|
|
|
// we can do a straight clear, we arn't intrested in GL_DEPTH_TEST defaults in texture modes.
|
|
for(TextureModeMapList::iterator tmmItr=_textureModeMapList.begin();
|
|
tmmItr!=_textureModeMapList.end();
|
|
++tmmItr)
|
|
{
|
|
tmmItr->clear();
|
|
}
|
|
|
|
// empty all the texture attributes as per normal attributes, leaving only the global defaults left.
|
|
for(TextureAttributeMapList::iterator tamItr=_textureAttributeMapList.begin();
|
|
tamItr!=_textureAttributeMapList.end();
|
|
++tamItr)
|
|
{
|
|
AttributeMap& attributeMap = *tamItr;
|
|
// go through all active StateAttribute's, setting to change to force update.
|
|
for(AttributeMap::iterator aitr=attributeMap.begin();
|
|
aitr!=attributeMap.end();
|
|
++aitr)
|
|
{
|
|
AttributeStack& as = aitr->second;
|
|
as.attributeVec.clear();
|
|
as.last_applied_attribute = NULL;
|
|
as.changed = true;
|
|
}
|
|
}
|
|
|
|
_drawStateStack.clear();
|
|
|
|
_modelView = _identity;
|
|
_projection = _identity;
|
|
|
|
dirtyAllVertexArrays();
|
|
setActiveTextureUnit(0);
|
|
}
|
|
|
|
void State::pushStateSet(const StateSet* dstate)
|
|
{
|
|
_drawStateStack.push_back(dstate);
|
|
if (dstate)
|
|
{
|
|
|
|
pushModeList(_modeMap,dstate->getModeList());
|
|
|
|
// iterator through texture modes.
|
|
unsigned int unit;
|
|
const StateSet::TextureModeList& ds_textureModeList = dstate->getTextureModeList();
|
|
for(unit=0;unit<ds_textureModeList.size();++unit)
|
|
{
|
|
pushModeList(getOrCreateTextureModeMap(unit),ds_textureModeList[unit]);
|
|
}
|
|
|
|
pushAttributeList(_attributeMap,dstate->getAttributeList());
|
|
|
|
// iterator through texture attributes.
|
|
const StateSet::TextureAttributeList& ds_textureAttributeList = dstate->getTextureAttributeList();
|
|
for(unit=0;unit<ds_textureAttributeList.size();++unit)
|
|
{
|
|
pushAttributeList(getOrCreateTextureAttributeMap(unit),ds_textureAttributeList[unit]);
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
void State::popStateSet()
|
|
{
|
|
if (_drawStateStack.empty()) return;
|
|
|
|
const StateSet* dstate = _drawStateStack.back().get();
|
|
|
|
if (dstate)
|
|
{
|
|
|
|
popModeList(_modeMap,dstate->getModeList());
|
|
|
|
// iterator through texture modes.
|
|
unsigned int unit;
|
|
const StateSet::TextureModeList& ds_textureModeList = dstate->getTextureModeList();
|
|
for(unit=0;unit<ds_textureModeList.size();++unit)
|
|
{
|
|
popModeList(getOrCreateTextureModeMap(unit),ds_textureModeList[unit]);
|
|
}
|
|
|
|
popAttributeList(_attributeMap,dstate->getAttributeList());
|
|
|
|
// iterator through texture attributes.
|
|
const StateSet::TextureAttributeList& ds_textureAttributeList = dstate->getTextureAttributeList();
|
|
for(unit=0;unit<ds_textureAttributeList.size();++unit)
|
|
{
|
|
popAttributeList(getOrCreateTextureAttributeMap(unit),ds_textureAttributeList[unit]);
|
|
}
|
|
}
|
|
|
|
// remove the top draw state from the stack.
|
|
_drawStateStack.pop_back();
|
|
}
|
|
|
|
void State::captureCurrentState(StateSet& stateset) const
|
|
{
|
|
// empty the stateset first.
|
|
stateset.setAllToInherit();
|
|
|
|
for(ModeMap::const_iterator mitr=_modeMap.begin();
|
|
mitr!=_modeMap.end();
|
|
++mitr)
|
|
{
|
|
// note GLMode = mitr->first
|
|
const ModeStack& ms = mitr->second;
|
|
if (!ms.valueVec.empty())
|
|
{
|
|
stateset.setMode(mitr->first,ms.valueVec.back());
|
|
}
|
|
}
|
|
|
|
for(AttributeMap::const_iterator aitr=_attributeMap.begin();
|
|
aitr!=_attributeMap.end();
|
|
++aitr)
|
|
{
|
|
const AttributeStack& as = aitr->second;
|
|
if (!as.attributeVec.empty())
|
|
{
|
|
stateset.setAttribute(const_cast<StateAttribute*>(as.attributeVec.back().first));
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// visual studio 6.0 doesn't appear to define std::max?!? So do our own here..
|
|
template<class T>
|
|
T mymax(const T& a,const T& b)
|
|
{
|
|
return (((a) > (b)) ? (a) : (b));
|
|
}
|
|
|
|
void State::apply(const StateSet* dstate)
|
|
{
|
|
if (_reportGLErrors) checkGLErrors("start of State::apply(StateSet*)");
|
|
|
|
// equivilant to:
|
|
//pushStateSet(dstate);
|
|
//apply();
|
|
//popStateSet();
|
|
|
|
if (dstate)
|
|
{
|
|
|
|
applyModeList(_modeMap,dstate->getModeList());
|
|
applyAttributeList(_attributeMap,dstate->getAttributeList());
|
|
|
|
const StateSet::TextureModeList& ds_textureModeList = dstate->getTextureModeList();
|
|
const StateSet::TextureAttributeList& ds_textureAttributeList = dstate->getTextureAttributeList();
|
|
|
|
unsigned int unit;
|
|
unsigned int unitMax = mymax(static_cast<unsigned int>(ds_textureModeList.size()),static_cast<unsigned int>(ds_textureAttributeList.size()));
|
|
unitMax = mymax(static_cast<unsigned int>(unitMax),static_cast<unsigned int>(_textureModeMapList.size()));
|
|
unitMax = mymax(static_cast<unsigned int>(unitMax),static_cast<unsigned int>(_textureAttributeMapList.size()));
|
|
for(unit=0;unit<unitMax;++unit)
|
|
{
|
|
if (setActiveTextureUnit(unit))
|
|
{
|
|
if (unit<ds_textureModeList.size()) applyModeList(getOrCreateTextureModeMap(unit),ds_textureModeList[unit]);
|
|
else if (unit<_textureModeMapList.size()) applyModeMap(_textureModeMapList[unit]);
|
|
|
|
if (unit<ds_textureAttributeList.size()) applyAttributeList(getOrCreateTextureAttributeMap(unit),ds_textureAttributeList[unit]);
|
|
else if (unit<_textureAttributeMapList.size()) applyAttributeMap(_textureAttributeMapList[unit]);
|
|
}
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
// no incomming stateset, so simply apply state.
|
|
apply();
|
|
}
|
|
|
|
}
|
|
|
|
void State::apply()
|
|
{
|
|
|
|
if (_reportGLErrors) checkGLErrors("start of State::apply()");
|
|
|
|
// go through all active OpenGL modes, enabling/disable where
|
|
// appropriate.
|
|
applyModeMap(_modeMap);
|
|
|
|
// go through all active StateAttribute's, applying where appropriate.
|
|
applyAttributeMap(_attributeMap);
|
|
|
|
unsigned int unit;
|
|
unsigned int unitMax = mymax(_textureModeMapList.size(),_textureAttributeMapList.size());
|
|
for(unit=0;unit<unitMax;++unit)
|
|
{
|
|
if (setActiveTextureUnit(unit))
|
|
{
|
|
if (unit<_textureModeMapList.size()) applyModeMap(_textureModeMapList[unit]);
|
|
if (unit<_textureAttributeMapList.size()) applyAttributeMap(_textureAttributeMapList[unit]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void State::haveAppliedMode(StateAttribute::GLMode mode,StateAttribute::GLModeValue value)
|
|
{
|
|
haveAppliedMode(_modeMap,mode,value);
|
|
}
|
|
|
|
void State::haveAppliedMode(StateAttribute::GLMode mode)
|
|
{
|
|
haveAppliedMode(_modeMap,mode);
|
|
}
|
|
|
|
void State::haveAppliedAttribute(const StateAttribute* attribute)
|
|
{
|
|
haveAppliedAttribute(_attributeMap,attribute);
|
|
}
|
|
|
|
void State::haveAppliedAttribute(StateAttribute::Type type)
|
|
{
|
|
haveAppliedAttribute(_attributeMap,type);
|
|
}
|
|
|
|
bool State::getLastAppliedMode(StateAttribute::GLMode mode) const
|
|
{
|
|
return getLastAppliedMode(_modeMap,mode);
|
|
}
|
|
|
|
const StateAttribute* State::getLastAppliedAttribute(StateAttribute::Type type) const
|
|
{
|
|
return getLastAppliedAttribute(_attributeMap,type);
|
|
}
|
|
|
|
|
|
void State::haveAppliedTextureMode(unsigned int unit,StateAttribute::GLMode mode,StateAttribute::GLModeValue value)
|
|
{
|
|
haveAppliedMode(getOrCreateTextureModeMap(unit),mode,value);
|
|
}
|
|
|
|
void State::haveAppliedTextureMode(unsigned int unit,StateAttribute::GLMode mode)
|
|
{
|
|
haveAppliedMode(getOrCreateTextureModeMap(unit),mode);
|
|
}
|
|
|
|
void State::haveAppliedTextureAttribute(unsigned int unit,const StateAttribute* attribute)
|
|
{
|
|
haveAppliedAttribute(getOrCreateTextureAttributeMap(unit),attribute);
|
|
}
|
|
|
|
void State::haveAppliedTextureAttribute(unsigned int unit,StateAttribute::Type type)
|
|
{
|
|
haveAppliedAttribute(getOrCreateTextureAttributeMap(unit),type);
|
|
}
|
|
|
|
bool State::getLastAppliedTextureMode(unsigned int unit,StateAttribute::GLMode mode) const
|
|
{
|
|
if (unit>=_textureModeMapList.size()) return false;
|
|
return getLastAppliedMode(_textureModeMapList[unit],mode);
|
|
}
|
|
|
|
const StateAttribute* State::getLastAppliedTextureAttribute(unsigned int unit,StateAttribute::Type type) const
|
|
{
|
|
if (unit>=_textureAttributeMapList.size()) return false;
|
|
return getLastAppliedAttribute(_textureAttributeMapList[unit],type);
|
|
}
|
|
|
|
|
|
void State::haveAppliedMode(ModeMap& modeMap,StateAttribute::GLMode mode,StateAttribute::GLModeValue value)
|
|
{
|
|
ModeStack& ms = modeMap[mode];
|
|
|
|
ms.last_applied_value = value & StateAttribute::ON;
|
|
|
|
// will need to disable this mode on next apply so set it to changed.
|
|
ms.changed = true;
|
|
}
|
|
|
|
/** mode has been set externally, update state to reflect this setting.*/
|
|
void State::haveAppliedMode(ModeMap& modeMap,StateAttribute::GLMode mode)
|
|
{
|
|
ModeStack& ms = modeMap[mode];
|
|
|
|
// don't know what last applied value is can't apply it.
|
|
// assume that it has changed by toggle the value of last_applied_value.
|
|
ms.last_applied_value = !ms.last_applied_value;
|
|
|
|
// will need to disable this mode on next apply so set it to changed.
|
|
ms.changed = true;
|
|
}
|
|
|
|
/** attribute has been applied externally, update state to reflect this setting.*/
|
|
void State::haveAppliedAttribute(AttributeMap& attributeMap,const StateAttribute* attribute)
|
|
{
|
|
if (attribute)
|
|
{
|
|
AttributeStack& as = attributeMap[attribute->getType()];
|
|
|
|
as.last_applied_attribute = attribute;
|
|
|
|
// will need to update this attribute on next apply so set it to changed.
|
|
as.changed = true;
|
|
}
|
|
}
|
|
|
|
void State::haveAppliedAttribute(AttributeMap& attributeMap,StateAttribute::Type type)
|
|
{
|
|
|
|
AttributeMap::iterator itr = attributeMap.find(type);
|
|
if (itr!=attributeMap.end())
|
|
{
|
|
AttributeStack& as = itr->second;
|
|
as.last_applied_attribute = 0L;
|
|
|
|
// will need to update this attribute on next apply so set it to changed.
|
|
as.changed = true;
|
|
}
|
|
}
|
|
|
|
bool State::getLastAppliedMode(const ModeMap& modeMap,StateAttribute::GLMode mode) const
|
|
{
|
|
ModeMap::const_iterator itr = modeMap.find(mode);
|
|
if (itr!=modeMap.end())
|
|
{
|
|
const ModeStack& ms = itr->second;
|
|
return ms.last_applied_value;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const StateAttribute* State::getLastAppliedAttribute(const AttributeMap& attributeMap,StateAttribute::Type type) const
|
|
{
|
|
AttributeMap::const_iterator itr = attributeMap.find(type);
|
|
if (itr!=attributeMap.end())
|
|
{
|
|
const AttributeStack& as = itr->second;
|
|
return as.last_applied_attribute;
|
|
}
|
|
else
|
|
{
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
void State::dirtyAllModes()
|
|
{
|
|
for(ModeMap::iterator mitr=_modeMap.begin();
|
|
mitr!=_modeMap.end();
|
|
++mitr)
|
|
{
|
|
ModeStack& ms = mitr->second;
|
|
ms.last_applied_value = !ms.last_applied_value;
|
|
ms.changed = true;
|
|
|
|
}
|
|
|
|
for(TextureModeMapList::iterator tmmItr=_textureModeMapList.begin();
|
|
tmmItr!=_textureModeMapList.end();
|
|
++tmmItr)
|
|
{
|
|
for(ModeMap::iterator mitr=tmmItr->begin();
|
|
mitr!=tmmItr->end();
|
|
++mitr)
|
|
{
|
|
ModeStack& ms = mitr->second;
|
|
ms.last_applied_value = !ms.last_applied_value;
|
|
ms.changed = true;
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void State::dirtyAllAttributes()
|
|
{
|
|
for(AttributeMap::iterator aitr=_attributeMap.begin();
|
|
aitr!=_attributeMap.end();
|
|
++aitr)
|
|
{
|
|
AttributeStack& as = aitr->second;
|
|
as.last_applied_attribute = 0;
|
|
as.changed = true;
|
|
}
|
|
|
|
|
|
for(TextureAttributeMapList::iterator tamItr=_textureAttributeMapList.begin();
|
|
tamItr!=_textureAttributeMapList.end();
|
|
++tamItr)
|
|
{
|
|
AttributeMap& attributeMap = *tamItr;
|
|
for(AttributeMap::iterator aitr=attributeMap.begin();
|
|
aitr!=attributeMap.end();
|
|
++aitr)
|
|
{
|
|
AttributeStack& as = aitr->second;
|
|
as.last_applied_attribute = 0;
|
|
as.changed = true;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
Polytope State::getViewFrustum() const
|
|
{
|
|
Polytope cv;
|
|
cv.setToUnitFrustum();
|
|
cv.transformProvidingInverse((*_modelView)*(*_projection));
|
|
return cv;
|
|
}
|
|
|
|
|
|
|
|
void State::disableAllVertexArrays()
|
|
{
|
|
disableVertexPointer();
|
|
disableTexCoordPointersAboveAndIncluding(0);
|
|
disableColorPointer();
|
|
disableFogCoordPointer();
|
|
disableIndexPointer();
|
|
disableNormalPointer();
|
|
disableSecondaryColorPointer();
|
|
}
|
|
|
|
void State::dirtyAllVertexArrays()
|
|
{
|
|
dirtyVertexPointer();
|
|
dirtyTexCoordPointersAboveAndIncluding(0);
|
|
dirtyColorPointer();
|
|
dirtyFogCoordPointer();
|
|
dirtyIndexPointer();
|
|
dirtyNormalPointer();
|
|
dirtySecondaryColorPointer();
|
|
}
|
|
|
|
void State::setInterleavedArrays( GLenum format, GLsizei stride, void* pointer)
|
|
{
|
|
glInterleavedArrays( format, stride, pointer);
|
|
|
|
// the crude way, assume that all arrays have been effected so dirty them and
|
|
// disable them...
|
|
dirtyAllVertexArrays();
|
|
disableAllVertexArrays();
|
|
}
|
|
|
|
|
|
typedef void (APIENTRY * ActiveTextureProc) (GLenum texture);
|
|
|
|
bool State::setClientActiveTextureUnit( unsigned int unit )
|
|
{
|
|
if (unit!=_currentClientActiveTextureUnit)
|
|
{
|
|
static ActiveTextureProc s_glClientActiveTexture =
|
|
(ActiveTextureProc) osg::getGLExtensionFuncPtr("glClientActiveTexture","glClientActiveTextureARB");
|
|
|
|
if (s_glClientActiveTexture)
|
|
{
|
|
s_glClientActiveTexture(GL_TEXTURE0+unit);
|
|
_currentClientActiveTextureUnit = unit;
|
|
}
|
|
else
|
|
{
|
|
return unit==0;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
/** set the current texture unit, return true if selected, false if selection failed such as when multitexturing is not supported.
|
|
* note, only updates values that change.*/
|
|
bool State::setActiveTextureUnit( unsigned int unit )
|
|
{
|
|
if (unit!=_currentActiveTextureUnit)
|
|
{
|
|
static ActiveTextureProc s_glActiveTexture =
|
|
(ActiveTextureProc) osg::getGLExtensionFuncPtr("glActiveTexture","glActiveTextureARB");
|
|
|
|
if (s_glActiveTexture)
|
|
{
|
|
s_glActiveTexture(GL_TEXTURE0+unit);
|
|
_currentActiveTextureUnit = unit;
|
|
}
|
|
else
|
|
{
|
|
return unit==0;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
typedef void (APIENTRY * FogCoordPointerProc) (GLenum type, GLsizei stride, const GLvoid *pointer);
|
|
void State::setFogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr)
|
|
{
|
|
static FogCoordPointerProc s_glFogCoordPointer =
|
|
(FogCoordPointerProc) osg::getGLExtensionFuncPtr("glFogCoordPointer","glFogCoordPointerEXT");
|
|
|
|
if (s_glFogCoordPointer)
|
|
{
|
|
|
|
if (!_fogArray._enabled || _fogArray._dirty)
|
|
{
|
|
_fogArray._enabled = true;
|
|
glEnableClientState(GL_FOG_COORDINATE_ARRAY);
|
|
}
|
|
if (_fogArray._pointer!=ptr || _fogArray._dirty)
|
|
{
|
|
_fogArray._pointer=ptr;
|
|
s_glFogCoordPointer( type, stride, ptr );
|
|
}
|
|
_fogArray._dirty = false;
|
|
}
|
|
|
|
}
|
|
|
|
typedef void (APIENTRY * SecondaryColorPointerProc) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
|
|
void State::setSecondaryColorPointer( GLint size, GLenum type,
|
|
GLsizei stride, const GLvoid *ptr )
|
|
{
|
|
static SecondaryColorPointerProc s_glSecondaryColorPointer =
|
|
(SecondaryColorPointerProc) osg::getGLExtensionFuncPtr("glSecondaryColorPointer","glSecondaryColorPointerEXT");
|
|
|
|
if (s_glSecondaryColorPointer)
|
|
{
|
|
if (!_secondaryColorArray._enabled || _secondaryColorArray._dirty)
|
|
{
|
|
_secondaryColorArray._enabled = true;
|
|
glEnableClientState(GL_SECONDARY_COLOR_ARRAY);
|
|
}
|
|
if (_secondaryColorArray._pointer!=ptr || _secondaryColorArray._dirty)
|
|
{
|
|
_secondaryColorArray._pointer=ptr;
|
|
s_glSecondaryColorPointer( size, type, stride, ptr );
|
|
}
|
|
_secondaryColorArray._dirty = false;
|
|
}
|
|
}
|
|
|
|
bool State::computeSecondaryColorSupported() const
|
|
{
|
|
_isSecondColorSupportResolved = true;
|
|
_isSecondColorSupported = osg::isGLExtensionSupported("GL_EXT_secondary_color");;
|
|
return _isSecondColorSupported;
|
|
}
|
|
|
|
bool State::computeFogCoordSupported() const
|
|
{
|
|
_isFogCoordSupportResolved = true;
|
|
_isFogCoordSupported = osg::isGLExtensionSupported("GL_EXT_fog_coord");
|
|
return _isFogCoordSupported;
|
|
}
|
|
|
|
bool State::checkGLErrors(const char* str) const
|
|
{
|
|
GLenum errorNo = glGetError();
|
|
if (errorNo!=GL_NO_ERROR)
|
|
{
|
|
osg::notify(WARN)<<"Warning: detected OpenGL error '"<<gluErrorString(errorNo);
|
|
if (str) osg::notify(WARN)<<"' at "<<str<< std::endl;
|
|
else osg::notify(WARN)<<"' in osg::State."<< std::endl;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool State::checkGLErrors(StateAttribute::GLMode mode) const
|
|
{
|
|
GLenum errorNo = glGetError();
|
|
if (errorNo!=GL_NO_ERROR)
|
|
{
|
|
osg::notify(WARN)<<"Warning: detected OpenGL error '"<<gluErrorString(errorNo)<<"' after applying GLMode "<<mode<< std::endl;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool State::checkGLErrors(const StateAttribute* attribute) const
|
|
{
|
|
GLenum errorNo = glGetError();
|
|
if (errorNo!=GL_NO_ERROR)
|
|
{
|
|
osg::notify(WARN)<<"Warning: detected OpenGL error '"<<gluErrorString(errorNo)<<"' after applying attribute "<<attribute->className()<<" "<<attribute<< std::endl;
|
|
//attribute->apply(*this);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|