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[Qt] Fix deadlock

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This commit is contained in:
wheremyfoodat
2023-10-02 02:09:13 +03:00
parent c648b6c62d
commit 9d9b0f9c41
1 changed files with 5 additions and 6 deletions
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11
src/panda_qt/main_window.cpp
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@@ -40,7 +40,7 @@ MainWindow::MainWindow(QApplication* app, QWidget* parent) : QMainWindow(parent)
emu->setOutputSize(screen.surfaceWidth, screen.surfaceHeight); emu->setOutputSize(screen.surfaceWidth, screen.surfaceHeight);
// The emulator graphics context for the thread should be initialized in the emulator thread due to how GL contexts work // The emulator graphics context for the thread should be initialized in the emulator thread due to how GL contexts work
emuThread = std::thread([&]() { emuThread = std::thread([this]() {
const RendererType rendererType = emu->getConfig().rendererType; const RendererType rendererType = emu->getConfig().rendererType;
usingGL = (rendererType == RendererType::OpenGL || rendererType == RendererType::Software || rendererType == RendererType::Null); usingGL = (rendererType == RendererType::OpenGL || rendererType == RendererType::Software || rendererType == RendererType::Null);
usingVk = (rendererType == RendererType::Vulkan); usingVk = (rendererType == RendererType::Vulkan);
@@ -58,12 +58,10 @@ MainWindow::MainWindow(QApplication* app, QWidget* parent) : QMainWindow(parent)
Helpers::panic("Unsupported graphics backend for Qt frontend!"); Helpers::panic("Unsupported graphics backend for Qt frontend!");
} }
// Enter our emulator main loop
emuThreadMainLoop(); emuThreadMainLoop();
}); });
} }
// This is the main loop that the emulator thread runs after being initialized
void MainWindow::emuThreadMainLoop() { void MainWindow::emuThreadMainLoop() {
while (appRunning) { while (appRunning) {
if (needToLoadROM.load()) { if (needToLoadROM.load()) {
@@ -79,7 +77,10 @@ void MainWindow::emuThreadMainLoop() {
swapEmuBuffer(); swapEmuBuffer();
} }
printf("Emulator thread returned"); // Unbind GL context if we're using GL, otherwise some setups seem to be unable to join this thread
if (usingGL) {
screen.getGLContext()->DoneCurrent();
}
} }
void MainWindow::swapEmuBuffer() { void MainWindow::swapEmuBuffer() {
@@ -108,13 +109,11 @@ void MainWindow::selectROM() {
// Cleanup when the main window closes // Cleanup when the main window closes
MainWindow::~MainWindow() { MainWindow::~MainWindow() {
printf("Destroying window class\n");
appRunning = false; // Set our running atomic to false in order to make the emulator thread stop, and join it appRunning = false; // Set our running atomic to false in order to make the emulator thread stop, and join it
if (emuThread.joinable()) { if (emuThread.joinable()) {
emuThread.join(); emuThread.join();
} }
printf("Emu thread joined!\n");
delete emu; delete emu;
delete menuBar; delete menuBar;