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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8
src/osg/BufferObject.cpp
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@@ -140,7 +140,7 @@ static BufferedExtensions s_extensions;
BufferObject::Extensions* BufferObject::getExtensions(unsigned int contextID,bool createIfNotInitalized)
{
if (!s_extensions[contextID] && createIfNotInitalized) s_extensions[contextID] = new BufferObject::Extensions;
if (!s_extensions[contextID] && createIfNotInitalized) s_extensions[contextID] = new BufferObject::Extensions(contextID);
return s_extensions[contextID].get();
}
@@ -149,9 +149,9 @@ void BufferObject::setExtensions(unsigned int contextID,Extensions* extensions)
s_extensions[contextID] = extensions;
}
BufferObject::Extensions::Extensions()
BufferObject::Extensions::Extensions(unsigned int contextID)
{
setupGLExtenions();
setupGLExtenions(contextID);
}
BufferObject::Extensions::Extensions(const Extensions& rhs):
@@ -186,7 +186,7 @@ void BufferObject::Extensions::lowestCommonDenominator(const Extensions& rhs)
if (!rhs._glGetBufferParameteriv) _glGetBufferPointerv = rhs._glGetBufferPointerv;
}
void BufferObject::Extensions::setupGLExtenions()
void BufferObject::Extensions::setupGLExtenions(unsigned int)
{
_glGenBuffers = ((GenBuffersProc)osg::getGLExtensionFuncPtr("glGenBuffers","glGenBuffersARB"));
_glBindBuffer = ((BindBufferProc)osg::getGLExtensionFuncPtr("glBindBuffer","glBindBufferARB"));