Merge pull request #1047 from RytoEX/log-win10-game-mode

Log Windows 10 Gaming Features (Game Mode)

libobs/CMakeLists.txt

@@ -83,6 +83,7 @@ if(WIN32)
 		util/platform-windows.c)
 	set(libobs_PLATFORM_HEADERS
 		util/threading-windows.h
+		util/windows/win-registry.h
 		util/windows/win-version.h
 		util/windows/ComPtr.hpp
 		util/windows/CoTaskMemPtr.hpp

libobs/obs-windows.c

@@ -15,6 +15,7 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
 
+#include "util/windows/win-registry.h"
 #include "util/windows/win-version.h"
 #include "util/platform.h"
 #include "util/dstr.h"
@@ -189,6 +190,49 @@ static void log_aero(void)
 			aeroMessage);
 }
 
+#define WIN10_GAME_BAR_REG_KEY \
+		L"Software\\Microsoft\\Windows\\CurrentVersion\\GameDVR"
+#define WIN10_GAME_DVR_POLICY_REG_KEY \
+		L"SOFTWARE\\Policies\\Microsoft\\Windows\\GameDVR"
+#define WIN10_GAME_DVR_REG_KEY L"System\\GameConfigStore"
+#define WIN10_GAME_MODE_REG_KEY L"Software\\Microsoft\\GameBar"
+
+static void log_gaming_features(void)
+{
+	if (win_ver < 0xA00)
+		return;
+
+	struct reg_dword game_bar_enabled;
+	struct reg_dword game_dvr_allowed;
+	struct reg_dword game_dvr_enabled;
+	struct reg_dword game_dvr_bg_recording;
+	struct reg_dword game_mode_enabled;
+
+	get_reg_dword(HKEY_CURRENT_USER, WIN10_GAME_BAR_REG_KEY,
+			L"AppCaptureEnabled", &game_bar_enabled);
+	get_reg_dword(HKEY_CURRENT_USER, WIN10_GAME_DVR_POLICY_REG_KEY,
+			L"AllowGameDVR", &game_dvr_allowed);
+	get_reg_dword(HKEY_CURRENT_USER, WIN10_GAME_DVR_REG_KEY,
+			L"GameDVR_Enabled", &game_dvr_enabled);
+	get_reg_dword(HKEY_CURRENT_USER, WIN10_GAME_BAR_REG_KEY,
+			L"HistoricalCaptureEnabled", &game_dvr_bg_recording);
+	get_reg_dword(HKEY_CURRENT_USER, WIN10_GAME_MODE_REG_KEY,
+			L"AllowAutoGameMode", &game_mode_enabled);
+
+	blog(LOG_INFO, "Windows 10 Gaming Features:");
+	blog(LOG_INFO, "\tGame Bar: %s",
+			(bool)game_bar_enabled.return_value ? "On" : "Off");
+	blog(LOG_INFO, "\tGame DVR Allowed: %s",
+			(bool)game_dvr_allowed.return_value ? "Yes" : "No");
+	blog(LOG_INFO, "\tGame DVR: %s",
+			(bool)game_dvr_enabled.return_value ? "On" : "Off");
+	blog(LOG_INFO, "\tGame DVR Background Recording: %s",
+			(bool)game_dvr_bg_recording.return_value ? "On" :
+			"Off");
+	blog(LOG_INFO, "\tGame Mode: %s",
+			(bool)game_mode_enabled.return_value ? "On" : "Off");
+}
+
 void log_system_info(void)
 {
 	struct win_version_info ver;
@@ -202,6 +246,7 @@ void log_system_info(void)
 	log_windows_version();
 	log_admin_status();
 	log_aero();
+	log_gaming_features();
 }
 
 

libobs/util/platform-windows.c

@@ -26,6 +26,7 @@
 #include "platform.h"
 #include "darray.h"
 #include "dstr.h"
+#include "windows/win-registry.h"
 #include "windows/win-version.h"
 
 #include "../../deps/w32-pthreads/pthread.h"
@@ -800,6 +801,28 @@ bool is_64_bit_windows(void)
 #endif
 }
 
+void get_reg_dword(HKEY hkey, LPCWSTR sub_key, LPCWSTR value_name,
+		struct reg_dword *info)
+{
+	struct reg_dword reg = {0};
+	HKEY key;
+	LSTATUS status;
+
+	status = RegOpenKeyEx(hkey, sub_key, 0, KEY_READ, &key);
+
+	if (status != ERROR_SUCCESS)
+		return;
+
+	reg.size = sizeof(reg.return_value);
+
+	reg.status = RegQueryValueExW(key, value_name, NULL, NULL,
+			(LPBYTE)&reg.return_value, &reg.size);
+
+	RegCloseKey(key);
+
+	*info = reg;
+}
+
 #define WINVER_REG_KEY L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion"
 
 void get_win_ver(struct win_version_info *info)

libobs/util/windows/win-registry.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2015 Hugh Bailey <[email protected]>
+ * Copyright (c) 2017 Ryan Foster <[email protected]>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+
+#include <windows.h>
+#include "../c99defs.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct reg_dword {
+	LSTATUS status;
+	DWORD   size;
+	DWORD   return_value;
+};
+
+EXPORT void get_reg_dword(HKEY hkey, LPCWSTR sub_key, LPCWSTR value_name,
+		struct reg_dword *info);
+
+#ifdef __cplusplus
+}
+#endif