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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12
src/osg/Multisample.cpp
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@@ -57,7 +57,7 @@ static BufferedExtensions s_extensions;
Multisample::Extensions* Multisample::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();
}
@@ -67,9 +67,9 @@ void Multisample::setExtensions(unsigned int contextID,Extensions* extensions)
}
Multisample::Extensions::Extensions()
Multisample::Extensions::Extensions(unsigned int contextID)
{
setupGLExtenions();
setupGLExtenions(contextID);
}
Multisample::Extensions::Extensions(const Extensions& rhs):
@@ -86,10 +86,10 @@ void Multisample::Extensions::lowestCommonDenominator(const Extensions& rhs)
if (!rhs._glSampleCoverage) _glSampleCoverage = 0;
}
void Multisample::Extensions::setupGLExtenions()
void Multisample::Extensions::setupGLExtenions(unsigned int contextID)
{
_isMultisampleSupported = isGLExtensionSupported("GL_ARB_multisample");
_isMultisampleFilterHintSupported = isGLExtensionSupported("GL_NV_multisample_filter_hint");
_isMultisampleSupported = isGLExtensionSupported(contextID,"GL_ARB_multisample");
_isMultisampleFilterHintSupported = isGLExtensionSupported(contextID,"GL_NV_multisample_filter_hint");
_glSampleCoverage = getGLExtensionFuncPtr("glSampleCoverageARB");
}