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Stop messing about with the context, leave it bound on the render thread

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This commit is contained in:
Brad Davis 2016-08-04 16:33:11 -07:00
parent 841d27ad20
commit 9f4fb0e8bd
1 changed files with 10 additions and 8 deletions
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18
libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp
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@ -113,10 +113,14 @@ public:
setPriority(QThread::HighPriority);
OpenGLDisplayPlugin* currentPlugin{ nullptr };
Q_ASSERT(_context);
_context->makeCurrent();
Q_ASSERT(isCurrentContext(_context->contextHandle()));
while (!_shutdown) {
if (_pendingMainThreadOperation) {
PROFILE_RANGE("MainThreadOp")
{
Lock lock(_mutex);
_context->doneCurrent();
// Move the context to the main thread
_context->moveToThread(qApp->thread());
_pendingMainThreadOperation = false;
@ -129,13 +133,14 @@ public:
// Main thread does it's thing while we wait on the lock to release
Lock lock(_mutex);
_condition.wait(lock, [&] { return _finishedMainThreadOperation; });
_context->makeCurrent();
Q_ASSERT(isCurrentContext(_context->contextHandle()));
}
}
// Check for a new display plugin
{
Lock lock(_mutex);
_context->makeCurrent();
// Check if we have a new plugin to activate
while (!_newPluginQueue.empty()) {
auto newPlugin = _newPluginQueue.front();
@ -155,7 +160,6 @@ public:
_condition.notify_one();
}
}
_context->doneCurrent();
}
// If there's no active plugin, just sleep
@ -165,16 +169,14 @@ public:
continue;
}
// take the latest texture and present it
_context->makeCurrent();
if (isCurrentContext(_context->contextHandle())) {
// Execute the frame and present it to the display device.
{
PROFILE_RANGE("PluginPresent")
currentPlugin->present();
CHECK_GL_ERROR();
_context->doneCurrent();
} else {
qWarning() << "Makecurrent failed";
}
}
_context->doneCurrent();
Lock lock(_mutex);
_context->moveToThread(qApp->thread());