From baae74c857e9b0fd49dd207e5c8448662ea4dcd0 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sun, 10 Dec 2017 09:10:02 -0800
Subject: [PATCH] Added SDL_WinRTGetDeviceFamily() to find out what type of
 device your application is running on (thanks Daniel Knobe!)

---
 WhatsNew.txt                           | 10 ++++++++++
 include/SDL_system.h                   | 26 ++++++++++++++++++++++++++
 src/core/winrt/SDL_winrtapp_common.cpp | 22 ++++++++++++++++++++++
 3 files changed, 58 insertions(+)

diff --git a/WhatsNew.txt b/WhatsNew.txt
index f30e0ab28..2555ef484 100644
--- a/WhatsNew.txt
+++ b/WhatsNew.txt
@@ -9,6 +9,16 @@ General:
 * Added SDL_fmod()
 * Each of the SDL math functions now has the corresponding float version
 
+Windows:
+* Implemented WASAPI support on Windows UWP and removed the deprecated XAudio2 implementation
+
+Windows UWP:
+* Added SDL_WinRTGetDeviceFamily() to find out what type of device your application is running on
+
+Mac OSX / iOS / tvOS:
+* Added a Metal 2D render implementation
+* Added SDL_RenderGetMetalLayer() and SDL_RenderGetMetalCommandEncoder() to insert your own drawing into SDL rendering when using the Metal implementation
+
 
 ---------------------------------------------------------------------------
 2.0.7:
diff --git a/include/SDL_system.h b/include/SDL_system.h
index eb069b33d..5974188cc 100644
--- a/include/SDL_system.h
+++ b/include/SDL_system.h
@@ -169,6 +169,25 @@ typedef enum
 } SDL_WinRT_Path;
 
 
+/**
+ *  \brief WinRT Device Family
+ */
+typedef enum
+{
+    /** \brief Unknown family  */
+    SDL_WINRT_DEVICEFAMILY_UNKNOWN,
+
+    /** \brief Desktop family*/
+    SDL_WINRT_DEVICEFAMILY_DESKTOP,
+
+    /** \brief Mobile family (for example smartphone) */
+    SDL_WINRT_DEVICEFAMILY_MOBILE,
+
+    /** \brief XBox family */
+    SDL_WINRT_DEVICEFAMILY_XBOX,
+} SDL_WinRT_DeviceFamily;
+
+
 /**
  *  \brief Retrieves a WinRT defined path on the local file system
  *
@@ -203,6 +222,13 @@ extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path
  */
 extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
 
+/**
+ *  \brief Detects the device family of WinRT plattform on runtime
+ *
+ *  \return Device family
+ */
+extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
+
 #endif /* __WINRT__ */
 
 /* Ends C function definitions when using C++ */
diff --git a/src/core/winrt/SDL_winrtapp_common.cpp b/src/core/winrt/SDL_winrtapp_common.cpp
index 3ee0be32f..fda00af62 100644
--- a/src/core/winrt/SDL_winrtapp_common.cpp
+++ b/src/core/winrt/SDL_winrtapp_common.cpp
@@ -40,3 +40,25 @@ SDL_WinRTRunApp(int (*mainFunction)(int, char **), void * xamlBackgroundPanel)
         return SDL_WinRTInitNonXAMLApp(mainFunction);
     }
 }
+
+
+extern "C" DECLSPEC SDL_WinRT_DeviceFamily
+SDL_WinRTGetDeviceFamily()
+{
+    Platform::String^ deviceFamily = Windows::System::Profile::AnalyticsInfo::VersionInfo->DeviceFamily;
+
+    if (deviceFamily->Equals("Windows.Desktop"))
+    {
+        return SDL_WINRT_DEVICEFAMILY_DESKTOP;
+    }
+    else if (deviceFamily->Equals("Windows.Mobile"))
+    {
+        return SDL_WINRT_DEVICEFAMILY_MOBILE;
+    }
+    else if (deviceFamily->Equals("Windows.Xbox"))
+    {
+        return SDL_WINRT_DEVICEFAMILY_XBOX;
+    }
+
+    return SDL_WINRT_DEVICEFAMILY_UNKNOWN;
+}
\ No newline at end of file