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Fix SDL_WasInit asserts firing due to lifetime management issues with SdlInputHandler

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This commit is contained in:
Cameron Gutman 2019-02-12 19:30:02 -08:00
parent 23f1060756
commit feb5e3bc78
2 changed files with 21 additions and 4 deletions
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24
app/streaming/session.cpp
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@ -105,7 +105,13 @@ void Session::clLogMessage(const char* format, ...)
void Session::clRumble(unsigned short controllerNumber, unsigned short lowFreqMotor, unsigned short highFreqMotor)
{
s_ActiveSession->m_InputHandler->rumble(controllerNumber, lowFreqMotor, highFreqMotor);
// The input handler can be closed during the stream if LiStopConnection() hasn't completed yet
// but the stream has been stopped by the user. In this case, just discard the rumble.
SDL_AtomicLock(&s_ActiveSession->m_InputHandlerLock);
if (s_ActiveSession->m_InputHandler != nullptr) {
s_ActiveSession->m_InputHandler->rumble(controllerNumber, lowFreqMotor, highFreqMotor);
}
SDL_AtomicUnlock(&s_ActiveSession->m_InputHandlerLock);
}
#define CALL_INITIALIZE(dec) (dec)->initialize(vds, window, videoFormat, width, height, frameRate, enableVsync, enableFramePacing)
@ -301,22 +307,23 @@ Session::Session(NvComputer* computer, NvApp& app, StreamingPreferences *prefere
m_DisplayOriginX(0),
m_DisplayOriginY(0),
m_PendingWindowedTransition(false),
m_UnexpectedTermination(true), // Failure prior to streaming is unexpected
m_UnexpectedTermination(true), // Failure prior to streaming is unexpected
m_InputHandler(nullptr),
m_InputHandlerLock(0),
m_OpusDecoder(nullptr),
m_AudioRenderer(nullptr),
m_AudioSampleCount(0)
{
}
// NB: This may not get destroyed for a long time! Don't put any vital cleanup here.
// Use Session::exec() or DeferredSessionCleanupTask instead.
Session::~Session()
{
// Acquire session semaphore to ensure all cleanup is done before the destructor returns
// and the object is deallocated.
s_ActiveSessionSemaphore.acquire();
s_ActiveSessionSemaphore.release();
delete m_InputHandler;
}
void Session::initialize()
@ -1220,6 +1227,15 @@ DispatchDeferredCleanup:
// Raise any keys that are still down
m_InputHandler->raiseAllKeys();
// Destroy the input handler now. Any rumble callbacks that
// occur after this point will be discarded. This must be destroyed
// before allow the UI to continue execution or it could interfere
// with SDLGamepadKeyNavigation.
SDL_AtomicLock(&m_InputHandlerLock);
delete m_InputHandler;
m_InputHandler = nullptr;
SDL_AtomicUnlock(&m_InputHandlerLock);
// Destroy the decoder, since this must be done on the main thread
SDL_AtomicLock(&m_DecoderLock);
delete m_VideoDecoder;

1
app/streaming/session.h
View file

@ -137,6 +137,7 @@ private:
bool m_PendingWindowedTransition;
bool m_UnexpectedTermination;
SdlInputHandler* m_InputHandler;
SDL_SpinLock m_InputHandlerLock;
int m_ActiveVideoFormat;
int m_ActiveVideoWidth;