FGFS-4.1/OpenSceneGraph
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Added support for per context extension string.

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Note, this required adding a unsigned int context ID to the osg::isGLUExtensionSupported(,)
and osg::isGLExtensionSupported(,) functions.  This may require reimplementation
of end user code to accomodate the new calling convention.
This commit is contained in:
Robert Osfield
2005-04-26 13:15:27 +00:00
parent 59ebf86dd0
commit a1bda0dab8
35 changed files with 191 additions and 162 deletions
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10
src/osg/FragmentProgram.cpp
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@@ -207,7 +207,7 @@ static BufferedExtensions s_extensions;
FragmentProgram::Extensions* FragmentProgram::getExtensions(unsigned int contextID,bool createIfNotInitalized)
{
if (!s_extensions[contextID] && createIfNotInitalized) s_extensions[contextID] = new Extensions;
if (!s_extensions[contextID] && createIfNotInitalized) s_extensions[contextID] = new Extensions(contextID);
return s_extensions[contextID].get();
}
@@ -216,9 +216,9 @@ void FragmentProgram::setExtensions(unsigned int contextID,Extensions* extension
s_extensions[contextID] = extensions;
}
FragmentProgram::Extensions::Extensions()
FragmentProgram::Extensions::Extensions(unsigned int contextID)
{
setupGLExtenions();
setupGLExtenions(contextID);
}
FragmentProgram::Extensions::Extensions(const Extensions& rhs):
@@ -245,9 +245,9 @@ void FragmentProgram::Extensions::lowestCommonDenominator(const Extensions& rhs)
}
void FragmentProgram::Extensions::setupGLExtenions()
void FragmentProgram::Extensions::setupGLExtenions(unsigned int contextID)
{
_isFragmentProgramSupported = isGLExtensionSupported("GL_ARB_fragment_program");
_isFragmentProgramSupported = isGLExtensionSupported(contextID,"GL_ARB_fragment_program");
_glBindProgram = osg::getGLExtensionFuncPtr("glBindProgramARB");
_glGenPrograms = osg::getGLExtensionFuncPtr("glGenProgramsARB");