Modified Qt GUI Lua loadRom functionality to signal the main thread to perform the ROM load. Doing so in the emulation thread can cause crashes.

This commit is contained in:
mjbudd77 2021-11-16 00:10:34 -05:00
parent 84bf5a5fc4
commit 28f4e87121
5 changed files with 78 additions and 21 deletions

View File

@ -159,6 +159,7 @@ consoleWin_t::consoleWin_t(QWidget *parent)
connect(emulatorThread, &QThread::finished, emulatorThread, &QObject::deleteLater);
connect(emulatorThread, SIGNAL(frameFinished(void)), this, SLOT(emuFrameFinish(void)) );
connect(emulatorThread, SIGNAL(loadRomRequest(QString)), this, SLOT(loadRomRequestCB(QString)) );
connect( gameTimer, &QTimer::timeout, this, &consoleWin_t::updatePeriodic );
@ -2268,6 +2269,15 @@ void consoleWin_t::openROMFile(void)
return;
}
void consoleWin_t::loadRomRequestCB( QString s )
{
printf("Load ROM Req: '%s'\n", s.toStdString().c_str() );
fceuWrapperLock();
CloseGame ();
LoadGame ( s.toStdString().c_str() );
fceuWrapperUnLock();
}
void consoleWin_t::closeROMCB(void)
{
fceuWrapperLock();
@ -4512,6 +4522,11 @@ void emulatorThread_t::signalFrameFinished(void)
emit frameFinished();
}
void emulatorThread_t::signalRomLoad( const char *path )
{
emit loadRomRequest( QString(path) );
}
//-----------------------------------------------------------------------------
// Custom QMenuBar for Console
//-----------------------------------------------------------------------------

View File

@ -53,6 +53,7 @@ class emulatorThread_t : public QThread
int getMaxSchedPriority(void);
#endif
void signalFrameFinished(void);
void signalRomLoad(const char *rom);
private:
void init(void);
@ -64,6 +65,7 @@ class emulatorThread_t : public QThread
signals:
void finished(void);
void frameFinished(void);
void loadRomRequest( QString s );
};
class consoleMenuBar : public QMenuBar
@ -447,6 +449,7 @@ class consoleWin_t : public QMainWindow
void winActiveChanged(void);
void emuFrameFinish(void);
void videoBgColorChanged( QColor &c );
void loadRomRequestCB( QString s );
};

View File

@ -231,6 +231,17 @@ DriverKill()
inited=0;
}
int LoadGameFromLua( const char *path )
{
//printf("Load From Lua: '%s'\n", path);
fceuWrapperUnLock();
consoleWindow->emulatorThread->signalRomLoad(path);
fceuWrapperLock();
return 0;
}
/**
* Reloads last game
*/
@ -249,23 +260,36 @@ int reloadLastGame(void)
*/
int LoadGame(const char *path, bool silent)
{
char fullpath[4096];
std::string fullpath;
int gg_enabled, autoLoadDebug, autoOpenDebugger, autoInputPreset;
if (isloaded){
CloseGame();
}
#if defined(__linux__) || defined(__APPLE__) || defined(__unix__)
QFileInfo fi( path );
// Resolve absolute path to file
if ( realpath( path, fullpath ) == NULL )
if ( fi.exists() )
{
strcpy( fullpath, path );
//printf("FI: '%s'\n", fi.absoluteFilePath().toStdString().c_str() );
//printf("FI: '%s'\n", fi.canonicalFilePath().toStdString().c_str() );
fullpath = fi.canonicalFilePath().toStdString();
}
#else
strcpy( fullpath, path );
#endif
else
{
fullpath.assign( path );
}
//#if defined(__linux__) || defined(__APPLE__) || defined(__unix__)
//
// // Resolve absolute path to file
// if ( realpath( path, fullpath ) == NULL )
// {
// strcpy( fullpath, path );
// }
//#else
// strcpy( fullpath, path );
//#endif
//printf("Fullpath: %zi '%s'\n", sizeof(fullpath), fullpath );
@ -280,13 +304,13 @@ int LoadGame(const char *path, bool silent)
g_config->getOption ("SDL.RamInitMethod", &RAMInitOption);
// Load the game
if(!FCEUI_LoadGame(fullpath, 1, silent)) {
if(!FCEUI_LoadGame(fullpath.c_str(), 1, silent)) {
return 0;
}
if ( consoleWindow )
{
consoleWindow->addRecentRom( fullpath );
consoleWindow->addRecentRom( fullpath.c_str() );
}
hexEditorLoadBookmarks();

View File

@ -28,6 +28,7 @@ extern Config *g_config;
int LoadGame(const char *path, bool silent = false);
int CloseGame(void);
int reloadLastGame(void);
int LoadGameFromLua( const char *path );
int fceuWrapperInit( int argc, char *argv[] );
int fceuWrapperMemoryCleanup( void );

View File

@ -609,6 +609,21 @@ static int emu_getdir(lua_State *L) {
extern void ReloadRom(void);
//#ifdef __QT_DRIVER__
//static int emu_wait_for_rom_load(lua_State *L)
//{
// fceuWrapperUnLock();
// printf("Waiting for ROM\n");
// #ifdef WIN32
// msleep(1000);
// #else
// usleep(1000000);
// #endif
// fceuWrapperLock();
//
// return 0;
//}
//#endif
// emu.loadrom(string filename)
//
@ -639,23 +654,22 @@ static int emu_loadrom(lua_State *L)
return 1;
}
return 0;
#else
#elif defined(__QT_DRIVER__)
const char *nameo2 = luaL_checkstring(L,1);
char nameo[2048];
#ifndef WIN32
if ( realpath( nameo2, nameo ) == NULL )
{
strncpy(nameo, nameo2, sizeof(nameo));
}
#endif
nameo[sizeof(nameo)-1] = 0;
LoadGameFromLua( nameo );
//lua_cpcall(L, emu_wait_for_rom_load, NULL);
//printf("Attempting to Load ROM: '%s'\n", nameo );
if (!LoadGame(nameo, true))
{
//printf("Failed to Load ROM: '%s'\n", nameo );
reloadLastGame();
}
//if (!LoadGame(nameo, true))
//{
// //printf("Failed to Load ROM: '%s'\n", nameo );
// reloadLastGame();
//}
if ( GameInfo )
{
//printf("Currently Loaded ROM: '%s'\n", GameInfo->filename );