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main: Move SDL_RunApp bits from src/core to src/main.

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Fixes #10170.
This commit is contained in:
Ryan C. Gordon
2024-07-04 20:32:19 -04:00
committed by Sam Lantinga
parent 607b1f225c
commit 4b5309cd98
20 changed files with 368 additions and 266 deletions
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157
src/core/gdk/SDL_gdk.cpp
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@@ -26,7 +26,6 @@ extern "C" {
}
#include <XGameRuntime.h>
#include <xsapi-c/services_c.h>
#include <shellapi.h> /* CommandLineToArgvW() */
#include <appnotify.h>
static XTaskQueueHandle GDK_GlobalTaskQueue;
@@ -74,162 +73,6 @@ void GDK_DispatchTaskQueue(void)
}
}
/* Pop up an out of memory message, returns to Windows */
static BOOL OutOfMemory(void)
{
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "Out of memory - aborting", NULL);
return FALSE;
}
/* Gets the arguments with GetCommandLine, converts them to argc and argv
and calls SDL_main */
extern "C"
int SDL_RunApp(int, char**, SDL_main_func mainFunction, void *reserved)
{
LPWSTR *argvw;
char **argv;
int i, argc, result;
HRESULT hr;
XTaskQueueHandle taskQueue;
argvw = CommandLineToArgvW(GetCommandLineW(), &argc);
if (argvw == NULL) {
return OutOfMemory();
}
/* Note that we need to be careful about how we allocate/free memory here.
* If the application calls SDL_SetMemoryFunctions(), we can't rely on
* SDL_free() to use the same allocator after SDL_main() returns.
*/
/* Parse it into argv and argc */
argv = (char **)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (argc + 1) * sizeof(*argv));
if (argv == NULL) {
return OutOfMemory();
}
for (i = 0; i < argc; ++i) {
const int utf8size = WideCharToMultiByte(CP_UTF8, 0, argvw[i], -1, NULL, 0, NULL, NULL);
if (!utf8size) { // uhoh?
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "Error processing command line arguments", NULL);
return -1;
}
argv[i] = (char *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, utf8size); // this size includes the null-terminator character.
if (!argv[i]) {
return OutOfMemory();
}
if (WideCharToMultiByte(CP_UTF8, 0, argvw[i], -1, argv[i], utf8size, NULL, NULL) == 0) { // failed? uhoh!
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "Error processing command line arguments", NULL);
return -1;
}
}
argv[i] = NULL;
LocalFree(argvw);
hr = XGameRuntimeInitialize();
if (SUCCEEDED(hr) && SDL_GDKGetTaskQueue(&taskQueue) == 0) {
Uint32 titleid = 0;
char scidBuffer[64];
XblInitArgs xblArgs;
XTaskQueueSetCurrentProcessTaskQueue(taskQueue);
/* Try to get the title ID and initialize Xbox Live */
hr = XGameGetXboxTitleId(&titleid);
if (SUCCEEDED(hr)) {
SDL_zero(xblArgs);
xblArgs.queue = taskQueue;
SDL_snprintf(scidBuffer, 64, "00000000-0000-0000-0000-0000%08X", titleid);
xblArgs.scid = scidBuffer;
hr = XblInitialize(&xblArgs);
} else {
SDL_SetError("[GDK] Unable to get titleid. Will not call XblInitialize. Check MicrosoftGame.config!");
}
SDL_SetMainReady();
/* Register suspend/resume handling */
plmSuspendComplete = CreateEventEx(nullptr, nullptr, 0, EVENT_MODIFY_STATE | SYNCHRONIZE);
if (!plmSuspendComplete) {
SDL_SetError("[GDK] Unable to create plmSuspendComplete event");
return -1;
}
auto rascn = [](BOOLEAN quiesced, PVOID context) {
SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION, "[GDK] in RegisterAppStateChangeNotification handler");
if (quiesced) {
ResetEvent(plmSuspendComplete);
SDL_SendAppEvent(SDL_EVENT_DID_ENTER_BACKGROUND);
// To defer suspension, we must wait to exit this callback.
// IMPORTANT: The app must call SDL_GDKSuspendComplete() to release this lock.
(void)WaitForSingleObject(plmSuspendComplete, INFINITE);
SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION, "[GDK] in RegisterAppStateChangeNotification handler: plmSuspendComplete event signaled.");
} else {
SDL_SendAppEvent(SDL_EVENT_WILL_ENTER_FOREGROUND);
}
};
if (RegisterAppStateChangeNotification(rascn, NULL, &hPLM)) {
SDL_SetError("[GDK] Unable to call RegisterAppStateChangeNotification");
return -1;
}
/* Register constrain/unconstrain handling */
auto raccn = [](BOOLEAN constrained, PVOID context) {
SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION, "[GDK] in RegisterAppConstrainedChangeNotification handler");
SDL_VideoDevice *_this = SDL_GetVideoDevice();
if (_this) {
if (constrained) {
SDL_SetKeyboardFocus(NULL);
} else {
SDL_SetKeyboardFocus(_this->windows);
}
}
};
if (RegisterAppConstrainedChangeNotification(raccn, NULL, &hCPLM)) {
SDL_SetError("[GDK] Unable to call RegisterAppConstrainedChangeNotification");
return -1;
}
/* Run the application main() code */
result = mainFunction(argc, argv);
/* Unregister suspend/resume handling */
UnregisterAppStateChangeNotification(hPLM);
CloseHandle(plmSuspendComplete);
/* Unregister constrain/unconstrain handling */
UnregisterAppConstrainedChangeNotification(hCPLM);
/* !!! FIXME: This follows the docs exactly, but for some reason still leaks handles on exit? */
/* Terminate the task queue and dispatch any pending tasks */
XTaskQueueTerminate(taskQueue, false, nullptr, nullptr);
while (XTaskQueueDispatch(taskQueue, XTaskQueuePort::Completion, 0))
;
XTaskQueueCloseHandle(taskQueue);
XGameRuntimeUninitialize();
} else {
#ifdef SDL_PLATFORM_WINGDK
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Fatal Error", "[GDK] Could not initialize - aborting", NULL);
#else
SDL_assert_always(0 && "[GDK] Could not initialize - aborting");
#endif
result = -1;
}
/* Free argv, to avoid memory leak */
for (i = 0; i < argc; ++i) {
HeapFree(GetProcessHeap(), 0, argv[i]);
}
HeapFree(GetProcessHeap(), 0, argv);
return result;
}
extern "C"
void SDL_GDKSuspendComplete()
{