src/video/winrt/SDL_winrtvideo_cpp.h
author Ryan C. Gordon <icculus@icculus.org>
Mon, 06 Apr 2015 00:10:54 -0400
changeset 9458 543298b36b28
parent 8755 f2fc45874b9c
child 9619 b94b6d0bff0f
permissions -rw-r--r--
This function can be static.
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2014 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 extern "C" {
    33 #include "../SDL_sysvideo.h"
    34 #include "../SDL_egl_c.h"
    35 }
    36 
    37 /* Private display data */
    38 typedef struct SDL_VideoData {
    39     /* An object created by ANGLE/WinRT (OpenGL ES 2 for WinRT) that gets
    40      * passed to eglGetDisplay and eglCreateWindowSurface:
    41      */
    42     IUnknown *winrtEglWindow;
    43 } SDL_VideoData;
    44 
    45 /* The global, WinRT, SDL Window.
    46    For now, SDL/WinRT only supports one window (due to platform limitations of
    47    WinRT.
    48 */
    49 extern SDL_Window * WINRT_GlobalSDLWindow;
    50 
    51 /* Creates a display mode for Plain Direct3D (non-XAML) apps, using the lone, native window's settings.
    52 
    53    Pass in an allocated SDL_DisplayMode field to store the data in.
    54 
    55    This function will return 0 on success, -1 on failure.
    56 
    57    If this function succeeds, be sure to call SDL_free on the
    58    SDL_DisplayMode's driverdata field.
    59 */
    60 extern int WINRT_CalcDisplayModeUsingNativeWindow(SDL_DisplayMode * mode);
    61 
    62 /* Duplicates a display mode, copying over driverdata as necessary */
    63 extern int WINRT_DuplicateDisplayMode(SDL_DisplayMode * dest, const SDL_DisplayMode * src);
    64 
    65 /* Display mode internals */
    66 typedef struct
    67 {
    68     Windows::Graphics::Display::DisplayOrientations currentOrientation;
    69 } SDL_DisplayModeData;
    70 
    71 #ifdef __cplusplus_winrt
    72 
    73 /* A convenience macro to get a WinRT display property */
    74 #if NTDDI_VERSION > NTDDI_WIN8
    75 #define WINRT_DISPLAY_PROPERTY(NAME) (Windows::Graphics::Display::DisplayInformation::GetForCurrentView()->NAME)
    76 #else
    77 #define WINRT_DISPLAY_PROPERTY(NAME) (Windows::Graphics::Display::DisplayProperties::NAME)
    78 #endif
    79 
    80 /* Internal window data */
    81 struct SDL_WindowData
    82 {
    83     SDL_Window *sdlWindow;
    84     Platform::Agile<Windows::UI::Core::CoreWindow> coreWindow;
    85 #ifdef SDL_VIDEO_OPENGL_EGL
    86     EGLSurface egl_surface;
    87 #endif
    88 };
    89 
    90 #endif // ifdef __cplusplus_winrt