1 /* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20 */ 21 22 /* Windows includes: */ 23 #include <windows.h> 24 #ifdef __cplusplus_winrt 25 #include <agile.h> 26 #endif 27 28 /* SDL includes: */ 29 #include "SDL_video.h" 30 #include "SDL_events.h" 31 32 #if NTDDI_VERSION >= NTDDI_WINBLUE /* ApplicationView's functionality only becomes 33 useful for SDL in Win[Phone] 8.1 and up. 34 Plus, it is not available at all in WinPhone 8.0. */ 35 #define SDL_WINRT_USE_APPLICATIONVIEW 1 36 #endif 37 38 extern "C" { 39 #include "../SDL_sysvideo.h" 40 #include "../SDL_egl_c.h" 41 } 42 43 /* Private display data */ 44 typedef struct SDL_VideoData { 45 /* An object created by ANGLE/WinRT (OpenGL ES 2 for WinRT) that gets 46 * passed to eglGetDisplay and eglCreateWindowSurface: 47 */ 48 IUnknown *winrtEglWindow; 49 50 /* Event token(s), for unregistering WinRT event handler(s). 51 These are just a struct with a 64-bit integer inside them 52 */ 53 Windows::Foundation::EventRegistrationToken gameBarIsInputRedirectedToken; 54 55 /* A WinRT DisplayRequest, used for implementing SDL_*ScreenSaver() functions. 56 * This is really a pointer to a 'ABI::Windows::System::Display::IDisplayRequest *', 57 * It's casted to 'IUnknown *', to help with building SDL. 58 */ 59 IUnknown *displayRequest; 60 } SDL_VideoData; 61 62 /* The global, WinRT, SDL Window. 63 For now, SDL/WinRT only supports one window (due to platform limitations of 64 WinRT. 65 */ 66 extern SDL_Window * WINRT_GlobalSDLWindow; 67 68 /* Updates one or more SDL_Window flags, by querying the OS' native windowing APIs. 69 SDL_Window flags that can be updated should be specified in 'mask'. 70 */ 71 extern void WINRT_UpdateWindowFlags(SDL_Window * window, Uint32 mask); 72 extern "C" Uint32 WINRT_DetectWindowFlags(SDL_Window * window); /* detects flags w/o applying them */ 73 74 /* Display mode internals */ 75 //typedef struct 76 //{ 77 // Windows::Graphics::Display::DisplayOrientations currentOrientation; 78 //} SDL_DisplayModeData; 79 80 #ifdef __cplusplus_winrt 81 82 /* A convenience macro to get a WinRT display property */ 83 #if NTDDI_VERSION > NTDDI_WIN8 84 #define WINRT_DISPLAY_PROPERTY(NAME) (Windows::Graphics::Display::DisplayInformation::GetForCurrentView()->NAME) 85 #else 86 #define WINRT_DISPLAY_PROPERTY(NAME) (Windows::Graphics::Display::DisplayProperties::NAME) 87 #endif 88 89 /* Converts DIPS to/from physical pixels */ 90 #define WINRT_DIPS_TO_PHYSICAL_PIXELS(DIPS) ((int)(0.5f + (((float)(DIPS) * (float)WINRT_DISPLAY_PROPERTY(LogicalDpi)) / 96.f))) 91 #define WINRT_PHYSICAL_PIXELS_TO_DIPS(PHYSPIX) (((float)(PHYSPIX) * 96.f)/WINRT_DISPLAY_PROPERTY(LogicalDpi)) 92 93 /* Internal window data */ 94 struct SDL_WindowData 95 { 96 SDL_Window *sdlWindow; 97 Platform::Agile<Windows::UI::Core::CoreWindow> coreWindow; 98 #ifdef SDL_VIDEO_OPENGL_EGL 99 EGLSurface egl_surface; 100 #endif 101 #if SDL_WINRT_USE_APPLICATIONVIEW 102 Windows::UI::ViewManagement::ApplicationView ^ appView; 103 #endif 104 }; 105 106 #endif // ifdef __cplusplus_winrt 107