Merge commit 'dec0d4ec4153bf9fc2b78ae6c2df45b6ea8dde7a' as 'external/sdl/SDL'

external/sdl/SDL/src/video/winrt/SDL_winrtvideo_cpp.h

@@ -0,0 +1,105 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2023 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.
+*/
+
+/* Windows includes: */
+#include <windows.h>
+#ifdef __cplusplus_winrt
+#include <agile.h>
+#endif
+
+/* SDL includes: */
+
+#if NTDDI_VERSION >= NTDDI_WINBLUE /* ApplicationView's functionality only becomes \
+                                      useful for SDL in Win[Phone] 8.1 and up.     \
+                                      Plus, it is not available at all in WinPhone 8.0. */
+#define SDL_WINRT_USE_APPLICATIONVIEW 1
+#endif
+
+extern "C" {
+#include "../SDL_sysvideo.h"
+#include "../SDL_egl_c.h"
+}
+
+/* Private display data */
+struct SDL_VideoData
+{
+    /* An object created by ANGLE/WinRT (OpenGL ES 2 for WinRT) that gets
+     * passed to eglGetDisplay and eglCreateWindowSurface:
+     */
+    IUnknown *winrtEglWindow;
+
+    /* Event token(s), for unregistering WinRT event handler(s).
+       These are just a struct with a 64-bit integer inside them
+    */
+    Windows::Foundation::EventRegistrationToken gameBarIsInputRedirectedToken;
+
+    /* A WinRT DisplayRequest, used for implementing SDL_*ScreenSaver() functions.
+     * This is really a pointer to a 'ABI::Windows::System::Display::IDisplayRequest *',
+     * It's casted to 'IUnknown *', to help with building SDL.
+     */
+    IUnknown *displayRequest;
+};
+
+/* The global, WinRT, SDL Window.
+   For now, SDL/WinRT only supports one window (due to platform limitations of
+   WinRT.
+*/
+extern SDL_Window *WINRT_GlobalSDLWindow;
+
+/* Updates one or more SDL_Window flags, by querying the OS' native windowing APIs.
+   SDL_Window flags that can be updated should be specified in 'mask'.
+*/
+extern void WINRT_UpdateWindowFlags(SDL_Window *window, Uint32 mask);
+extern "C" Uint32 WINRT_DetectWindowFlags(SDL_Window *window); /* detects flags w/o applying them */
+
+/* Display mode internals */
+// typedef struct
+//{
+//     Windows::Graphics::Display::DisplayOrientations currentOrientation;
+// } SDL_DisplayModeData;
+
+#ifdef __cplusplus_winrt
+
+/* A convenience macro to get a WinRT display property */
+#if NTDDI_VERSION > NTDDI_WIN8
+#define WINRT_DISPLAY_PROPERTY(NAME) (Windows::Graphics::Display::DisplayInformation::GetForCurrentView()->NAME)
+#else
+#define WINRT_DISPLAY_PROPERTY(NAME) (Windows::Graphics::Display::DisplayProperties::NAME)
+#endif
+
+/* Converts DIPS to/from physical pixels */
+#define WINRT_DIPS_TO_PHYSICAL_PIXELS(DIPS)    ((int)(0.5f + (((float)(DIPS) * (float)WINRT_DISPLAY_PROPERTY(LogicalDpi)) / 96.f)))
+#define WINRT_PHYSICAL_PIXELS_TO_DIPS(PHYSPIX) (((float)(PHYSPIX)*96.f) / WINRT_DISPLAY_PROPERTY(LogicalDpi))
+
+/* Internal window data */
+struct SDL_WindowData
+{
+    SDL_Window *sdlWindow;
+    Platform::Agile<Windows::UI::Core::CoreWindow> coreWindow;
+#ifdef SDL_VIDEO_OPENGL_EGL
+    EGLSurface egl_surface;
+#endif
+#if SDL_WINRT_USE_APPLICATIONVIEW
+    Windows::UI::ViewManagement::ApplicationView ^ appView;
+#endif
+};
+
+#endif // ifdef __cplusplus_winrt