SDL
2.0
SDL_winrtvideo_cpp.h
Go to the documentation of this file.
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/* Windows includes: */
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#include <windows.h>
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#ifdef __cplusplus_winrt
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#include <agile.h>
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#endif
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/* SDL includes: */
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#include "
SDL_video.h
"
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#include "
SDL_events.h
"
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#if NTDDI_VERSION >= NTDDI_WINBLUE
/* ApplicationView's functionality only becomes
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useful for SDL in Win[Phone] 8.1 and up.
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Plus, it is not available at all in WinPhone 8.0. */
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#define SDL_WINRT_USE_APPLICATIONVIEW 1
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#endif
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extern
"C"
{
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#include "../SDL_sysvideo.h"
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#include "../SDL_egl_c.h"
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}
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/* Private display data */
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typedef
struct
SDL_VideoData
{
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/* An object created by ANGLE/WinRT (OpenGL ES 2 for WinRT) that gets
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* passed to eglGetDisplay and eglCreateWindowSurface:
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*/
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IUnknown *
winrtEglWindow
;
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/* Event token(s), for unregistering WinRT event handler(s).
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These are just a struct with a 64-bit integer inside them
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*/
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Windows::Foundation::EventRegistrationToken
gameBarIsInputRedirectedToken
;
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/* A WinRT DisplayRequest, used for implementing SDL_*ScreenSaver() functions.
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* This is really a pointer to a 'ABI::Windows::System::Display::IDisplayRequest *',
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* It's casted to 'IUnknown *', to help with building SDL.
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*/
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IUnknown *
displayRequest
;
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}
SDL_VideoData
;
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/* The global, WinRT, SDL Window.
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For now, SDL/WinRT only supports one window (due to platform limitations of
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WinRT.
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*/
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extern
SDL_Window
*
WINRT_GlobalSDLWindow
;
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/* Updates one or more SDL_Window flags, by querying the OS' native windowing APIs.
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SDL_Window flags that can be updated should be specified in 'mask'.
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*/
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extern
void
WINRT_UpdateWindowFlags
(
SDL_Window
*
window
,
Uint32
mask
);
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extern
"C"
Uint32
WINRT_DetectWindowFlags
(
SDL_Window
*
window
);
/* detects flags w/o applying them */
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/* Display mode internals */
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//typedef struct
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//{
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// Windows::Graphics::Display::DisplayOrientations currentOrientation;
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//} SDL_DisplayModeData;
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#ifdef __cplusplus_winrt
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/* A convenience macro to get a WinRT display property */
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#if NTDDI_VERSION > NTDDI_WIN8
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#define WINRT_DISPLAY_PROPERTY(NAME) (Windows::Graphics::Display::DisplayInformation::GetForCurrentView()->NAME)
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#else
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#define WINRT_DISPLAY_PROPERTY(NAME) (Windows::Graphics::Display::DisplayProperties::NAME)
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#endif
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/* Converts DIPS to/from physical pixels */
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#define WINRT_DIPS_TO_PHYSICAL_PIXELS(DIPS) ((int)(0.5f + (((float)(DIPS) * (float)WINRT_DISPLAY_PROPERTY(LogicalDpi)) / 96.f)))
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#define WINRT_PHYSICAL_PIXELS_TO_DIPS(PHYSPIX) (((float)(PHYSPIX) * 96.f)/WINRT_DISPLAY_PROPERTY(LogicalDpi))
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/* Internal window data */
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struct
SDL_WindowData
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{
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SDL_Window
*sdlWindow;
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Platform::Agile<Windows::UI::Core::CoreWindow> coreWindow;
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#ifdef SDL_VIDEO_OPENGL_EGL
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EGLSurface
egl_surface
;
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#endif
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#if SDL_WINRT_USE_APPLICATIONVIEW
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Windows::UI::ViewManagement::ApplicationView ^ appView;
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#endif
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};
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#endif // ifdef __cplusplus_winrt
Uint32
uint32_t Uint32
Definition:
SDL_stdinc.h:203
SDL_events.h
mask
GLenum GLint GLuint mask
Definition:
SDL_opengl_glext.h:657
SDL_WindowData
Definition:
SDL_androidwindow.h:38
SDL_Window
The type used to identify a window.
Definition:
SDL_sysvideo.h:73
WINRT_UpdateWindowFlags
void WINRT_UpdateWindowFlags(SDL_Window *window, Uint32 mask)
window
EGLSurface EGLNativeWindowType * window
Definition:
eglext.h:1025
WINRT_GlobalSDLWindow
SDL_Window * WINRT_GlobalSDLWindow
WINRT_DetectWindowFlags
Uint32 WINRT_DetectWindowFlags(SDL_Window *window)
SDL_VideoData::winrtEglWindow
IUnknown * winrtEglWindow
Definition:
SDL_winrtvideo_cpp.h:48
SDL_VideoData::displayRequest
IUnknown * displayRequest
Definition:
SDL_winrtvideo_cpp.h:59
SDL_video.h
EGLSurface
void * EGLSurface
Definition:
egl.h:59
SDL_VideoData::gameBarIsInputRedirectedToken
Windows::Foundation::EventRegistrationToken gameBarIsInputRedirectedToken
Definition:
SDL_winrtvideo_cpp.h:53
SDL_WindowData::egl_surface
EGLSurface egl_surface
Definition:
SDL_androidwindow.h:40
SDL_VideoData
Definition:
SDL_androidvideo.h:36
src
video
winrt
SDL_winrtvideo_cpp.h
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