bool QOpenGLFunctions_1_0::initializeOpenGLFunctions()
{
if ( isInitialized() )
return true;
QOpenGLContext* context = QOpenGLContext::currentContext();
// If owned by a context object make sure it is current.
// Also check that current context is capable of resolving all needed functions
if (((owningContext() && owningContext() == context) || !owningContext())
&& QOpenGLFunctions_1_0::isContextCompatible(context))
{
// Associate with private implementation, creating if necessary
// Function pointers in the backends are resolved at creation time
QOpenGLVersionFunctionsBackend* d = 0;
d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_CoreBackend::versionStatus());
if (!d) {
d = new QOpenGLFunctions_1_0_CoreBackend(context);
QAbstractOpenGLFunctionsPrivate::insertFunctionsBackend(context, QOpenGLFunctions_1_0_CoreBackend::versionStatus(), d);
}
d_1_0_Core = static_cast<QOpenGLFunctions_1_0_CoreBackend*>(d);
d->refs.ref();
d = QAbstractOpenGLFunctionsPrivate::functionsBackend(context, QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus());
if (!d) {
d = new QOpenGLFunctions_1_0_DeprecatedBackend(context);
QAbstractOpenGLFunctionsPrivate::insertFunctionsBackend(context, QOpenGLFunctions_1_0_DeprecatedBackend::versionStatus(), d);
}
d_1_0_Deprecated = static_cast<QOpenGLFunctions_1_0_DeprecatedBackend*>(d);
d->refs.ref();
QAbstractOpenGLFunctions::initializeOpenGLFunctions();
}
return isInitialized();
}
bool QOpenGLFunctions_ES2::initializeOpenGLFunctions()
{
if ( isInitialized() )
return true;
QOpenGLContext* context = QOpenGLContext::currentContext();
// If owned by a context object make sure it is current.
// Also check that current context is compatible
if (((owningContext() && owningContext() == context) || !owningContext())
&& QOpenGLFunctions_ES2::isContextCompatible(context))
{
// Nothing to do, just flag that we are initialized
QAbstractOpenGLFunctions::initializeOpenGLFunctions();
}
return isInitialized();
}
