SDL 2.0
SDL_render_winrt.cpp
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2019 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"
27extern "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
38using namespace Windows::UI::Core;
39using namespace Windows::Graphics::Display;
40
41#include <DXGI.h>
42
43#include "SDL_render_winrt.h"
44
45
46extern "C" void *
47D3D11_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
80extern "C" DXGI_MODE_ROTATION
81D3D11_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: */
#define FAILED(x)
Definition: SDL_directx.h:54
#define SDL_GetWindowWMInfo
@ SDL_SYSWM_WINRT
Definition: SDL_syswm.h:129
#define SDL_VERSION(x)
Macro to determine SDL version program was compiled against.
Definition: SDL_version.h:79
#define NULL
Definition: begin_code.h:167
SDL_Window * window
union SDL_SysWMinfo::@17 info
SDL_SYSWM_TYPE subsystem
Definition: SDL_syswm.h:200
Window window
Definition: SDL_syswm.h:221
SDL_version version
Definition: SDL_syswm.h:199
The type used to identify a window.
Definition: SDL_sysvideo.h:74
static SDL_Renderer * renderer