src/render/direct3d11/SDL_render_winrt.cpp
author Philipp Wiesemann <philipp.wiesemann@arcor.de>
Sat, 06 Sep 2014 23:20:14 +0200
changeset 9125 e004bdb812ce
parent 8757 aeeeb47a5a77
child 9619 b94b6d0bff0f
permissions -rw-r--r--
Fixed example in header file.

Did not compile because of typo in function name and missing argument.
     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 #include "../../SDL_internal.h"
    22 
    23 #if SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED
    24 
    25 #include "SDL_syswm.h"
    26 #include "../../video/winrt/SDL_winrtvideo_cpp.h"
    27 extern "C" {
    28 #include "../SDL_sysrender.h"
    29 }
    30 
    31 #include <windows.ui.core.h>
    32 #include <windows.graphics.display.h>
    33 
    34 #if WINAPI_FAMILY == WINAPI_FAMILY_APP
    35 #include <windows.ui.xaml.media.dxinterop.h>
    36 #endif
    37 
    38 using namespace Windows::UI::Core;
    39 using namespace Windows::Graphics::Display;
    40 
    41 #include <DXGI.h>
    42 
    43 #include "SDL_render_winrt.h"
    44 
    45 
    46 extern "C" void *
    47 D3D11_GetCoreWindowFromSDLRenderer(SDL_Renderer * renderer)
    48 {
    49     SDL_Window * sdlWindow = renderer->window;
    50     if ( ! renderer->window ) {
    51         return NULL;
    52     }
    53 
    54     SDL_SysWMinfo sdlWindowInfo;
    55     SDL_VERSION(&sdlWindowInfo.version);
    56     if ( ! SDL_GetWindowWMInfo(sdlWindow, &sdlWindowInfo) ) {
    57         return NULL;
    58     }
    59 
    60     if (sdlWindowInfo.subsystem != SDL_SYSWM_WINRT) {
    61         return NULL;
    62     }
    63 
    64     if (!sdlWindowInfo.info.winrt.window) {
    65         return NULL;
    66     }
    67 
    68     ABI::Windows::UI::Core::ICoreWindow *coreWindow = NULL;
    69     if (FAILED(sdlWindowInfo.info.winrt.window->QueryInterface(&coreWindow))) {
    70         return NULL;
    71     }
    72 
    73     IUnknown *coreWindowAsIUnknown = NULL;
    74     coreWindow->QueryInterface(&coreWindowAsIUnknown);
    75     coreWindow->Release();
    76 
    77     return coreWindowAsIUnknown;
    78 }
    79 
    80 extern "C" DXGI_MODE_ROTATION
    81 D3D11_GetCurrentRotation()
    82 {
    83     const DisplayOrientations currentOrientation = WINRT_DISPLAY_PROPERTY(CurrentOrientation);
    84 
    85     switch (currentOrientation) {
    86 
    87 #if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
    88     /* Windows Phone rotations */
    89     case DisplayOrientations::Landscape:
    90         return DXGI_MODE_ROTATION_ROTATE90;
    91     case DisplayOrientations::Portrait:
    92         return DXGI_MODE_ROTATION_IDENTITY;
    93     case DisplayOrientations::LandscapeFlipped:
    94         return DXGI_MODE_ROTATION_ROTATE270;
    95     case DisplayOrientations::PortraitFlipped:
    96         return DXGI_MODE_ROTATION_ROTATE180;
    97 #else
    98     /* Non-Windows-Phone rotations (ex: Windows 8, Windows RT) */
    99     case DisplayOrientations::Landscape:
   100         return DXGI_MODE_ROTATION_IDENTITY;
   101     case DisplayOrientations::Portrait:
   102         return DXGI_MODE_ROTATION_ROTATE270;
   103     case DisplayOrientations::LandscapeFlipped:
   104         return DXGI_MODE_ROTATION_ROTATE180;
   105     case DisplayOrientations::PortraitFlipped:
   106         return DXGI_MODE_ROTATION_ROTATE90;
   107 #endif /* WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP */
   108     }
   109 
   110     return DXGI_MODE_ROTATION_IDENTITY;
   111 }
   112 
   113 
   114 #endif /* SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED */
   115 
   116 /* vi: set ts=4 sw=4 expandtab: */