FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added new Copyright/License notice to header and source files.

Browse Source
This commit is contained in:
Robert Osfield
2003-01-21 16:45:36 +00:00
parent 6cd43acb5a
commit 48bda9cc79
327 changed files with 3988 additions and 598 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
src/osg/State.cpp
View File

@@ -1,3 +1,15 @@
/* -*-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>
@@ -13,6 +25,8 @@ State::State()
_identity = new osg::RefMatrix(); // default RefMatrix constructs to identity.
_projection = _identity;
_modelView = _identity;
_reportGLErrors = true;
_currentActiveTextureUnit=0;
_currentClientActiveTextureUnit=0;
@@ -193,6 +207,8 @@ T mymax(const T& a,const T& b)
void State::apply(const StateSet* dstate)
{
if (_reportGLErrors) checkGLErrors("start of State::apply(StateSet*)");
// equivilant to:
//pushStateSet(dstate);
//apply();
@@ -235,6 +251,8 @@ void State::apply(const StateSet* dstate)
void State::apply()
{
if (_reportGLErrors) checkGLErrors("start of State::apply()");
// go through all active OpenGL modes, enabling/disable where
// appropriate.
applyModeMap(_modeMap);
@@ -603,3 +621,40 @@ bool State::computeFogCoordSupported() const
_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;
}