Repository navigation
Expand file tree
/
Copy pathSDL_gdk.cpp
More file actions
262 lines (223 loc) · 8.75 KB
/
Copy pathSDL_gdk.cpp
File metadata and controls
262 lines (223 loc) · 8.75 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
/*
Simple DirectMedia Layer
Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
extern "C" {
#include "SDL_system.h"
#include "../windows/SDL_windows.h"
#include "SDL_messagebox.h"
#include "SDL_main.h"
#include "SDL_events.h"
#include "../../events/SDL_events_c.h"
}
#include <XGameRuntime.h>
#include <xsapi-c/services_c.h>
#include <shellapi.h> /* CommandLineToArgvW() */
#include <appnotify.h>
static XTaskQueueHandle GDK_GlobalTaskQueue;
PAPPSTATE_REGISTRATION hPLM = {};
PAPPCONSTRAIN_REGISTRATION hCPLM = {};
HANDLE plmSuspendComplete = nullptr;
extern "C" DECLSPEC int
SDL_GDKGetTaskQueue(XTaskQueueHandle *outTaskQueue)
{
/* If this is the first call, first create the global task queue. */
if (!GDK_GlobalTaskQueue) {
HRESULT hr;
hr = XTaskQueueCreate(XTaskQueueDispatchMode::ThreadPool,
XTaskQueueDispatchMode::Manual,
&GDK_GlobalTaskQueue);
if (FAILED(hr)) {
return SDL_SetError("[GDK] Could not create global task queue");
}
/* The initial call gets the non-duplicated handle so they can clean it up */
*outTaskQueue = GDK_GlobalTaskQueue;
} else {
/* Duplicate the global task queue handle into outTaskQueue */
if (FAILED(XTaskQueueDuplicateHandle(GDK_GlobalTaskQueue, outTaskQueue))) {
return SDL_SetError("[GDK] Unable to acquire global task queue");
}
}
return 0;
}
extern "C" void
GDK_DispatchTaskQueue(void)
{
/* If there is no global task queue, don't do anything.
* This gives the option to opt-out for those who want to handle everything themselves.
*/
if (GDK_GlobalTaskQueue) {
/* Dispatch any callbacks which are ready. */
while (XTaskQueueDispatch(GDK_GlobalTaskQueue, XTaskQueuePort::Completion, 0))
;
}
}
/* Pop up an out of memory message, returns to Windows */
extern "C" 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" DECLSPEC int
SDL_GDKRunApp(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) {
DWORD len;
char *arg = WIN_StringToUTF8W(argvw[i]);
if (arg == NULL) {
return OutOfMemory();
}
len = (DWORD)SDL_strlen(arg);
argv[i] = (char *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len + 1);
if (!argv[i]) {
return OutOfMemory();
}
SDL_memcpy(argv[i], arg, len);
SDL_free(arg);
}
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_APP_DIDENTERBACKGROUND);
// 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_APP_WILLENTERFOREGROUND);
}
};
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 __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" DECLSPEC void
SDL_GDKSuspendComplete()
{
if (plmSuspendComplete) {
SetEvent(plmSuspendComplete);
}
}
extern "C" DECLSPEC int
SDL_GDKGetDefaultUser(XUserHandle *outUserHandle)
{
XAsyncBlock block = { 0 };
HRESULT result;
if (FAILED(result = XUserAddAsync(XUserAddOptions::AddDefaultUserAllowingUI, &block))) {
return WIN_SetErrorFromHRESULT("XUserAddAsync", result);
}
do {
result = XUserAddResult(&block, outUserHandle);
} while (result == E_PENDING);
if (FAILED(result)) {
return WIN_SetErrorFromHRESULT("XUserAddResult", result);
}
return 0;
}