1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2018 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/**
23 * \file SDL_system.h
24 *
25 * Include file for platform specific SDL API functions
26 */
27
28#ifndef SDL_system_h_
29#define SDL_system_h_
30
31#include "SDL_stdinc.h"
32#include "SDL_keyboard.h"
33#include "SDL_render.h"
34#include "SDL_video.h"
35
36#include "begin_code.h"
37/* Set up for C function definitions, even when using C++ */
38#ifdef __cplusplus
39extern "C" {
40#endif
41
42
43/* Platform specific functions for Windows */
44#ifdef __WIN32__
45
46/**
47 \brief Set a function that is called for every windows message, before TranslateMessage()
48*/
49typedef void (SDLCALL * SDL_WindowsMessageHook)(void *userdata, void *hWnd, unsigned int message, Uint64 wParam, Sint64 lParam);
50extern DECLSPEC void SDLCALL SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata);
51
52/**
53 \brief Returns the D3D9 adapter index that matches the specified display index.
54
55 This adapter index can be passed to IDirect3D9::CreateDevice and controls
56 on which monitor a full screen application will appear.
57*/
58extern DECLSPEC int SDLCALL SDL_Direct3D9GetAdapterIndex( int displayIndex );
59
60typedef struct IDirect3DDevice9 IDirect3DDevice9;
61/**
62 \brief Returns the D3D device associated with a renderer, or NULL if it's not a D3D renderer.
63
64 Once you are done using the device, you should release it to avoid a resource leak.
65 */
66extern DECLSPEC IDirect3DDevice9* SDLCALL SDL_RenderGetD3D9Device(SDL_Renderer * renderer);
67
68/**
69 \brief Returns the DXGI Adapter and Output indices for the specified display index.
70
71 These can be passed to EnumAdapters and EnumOutputs respectively to get the objects
72 required to create a DX10 or DX11 device and swap chain.
73 */
74extern DECLSPEC SDL_bool SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *adapterIndex, int *outputIndex );
75
76#endif /* __WIN32__ */
77
78
79/* Platform specific functions for Linux */
80#ifdef __LINUX__
81
82/**
83 \brief Sets the UNIX nice value for a thread, using setpriority() if possible, and RealtimeKit if available.
84
85 \return 0 on success, or -1 on error.
86 */
87extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriority(Sint64 threadID, int priority);
88
89#endif /* __LINUX__ */
90
91/* Platform specific functions for iOS */
92#if defined(__IPHONEOS__) && __IPHONEOS__
93
94#define SDL_iOSSetAnimationCallback(window, interval, callback, callbackParam) SDL_iPhoneSetAnimationCallback(window, interval, callback, callbackParam)
95extern DECLSPEC int SDLCALL SDL_iPhoneSetAnimationCallback(SDL_Window * window, int interval, void (*callback)(void*), void *callbackParam);
96
97#define SDL_iOSSetEventPump(enabled) SDL_iPhoneSetEventPump(enabled)
98extern DECLSPEC void SDLCALL SDL_iPhoneSetEventPump(SDL_bool enabled);
99
100#endif /* __IPHONEOS__ */
101
102
103/* Platform specific functions for Android */
104#if defined(__ANDROID__) && __ANDROID__
105
106/**
107 \brief Get the JNI environment for the current thread
108
109 This returns JNIEnv*, but the prototype is void* so we don't need jni.h
110 */
111extern DECLSPEC void * SDLCALL SDL_AndroidGetJNIEnv(void);
112
113/**
114 \brief Get the SDL Activity object for the application
115
116 This returns jobject, but the prototype is void* so we don't need jni.h
117 The jobject returned by SDL_AndroidGetActivity is a local reference.
118 It is the caller's responsibility to properly release it
119 (using env->Push/PopLocalFrame or manually with env->DeleteLocalRef)
120 */
121extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
122
123/**
124 \brief Return true if the application is running on Android TV
125 */
126extern DECLSPEC SDL_bool SDLCALL SDL_IsAndroidTV(void);
127
128/**
129 \brief Return true if the application is running on a Chromebook
130 */
131extern DECLSPEC SDL_bool SDLCALL SDL_IsChromebook(void);
132
133/**
134 \brief Return true is the application is running on a Samsung DeX docking station
135 */
136extern DECLSPEC SDL_bool SDLCALL SDL_IsDeXMode(void);
137
138/**
139 \brief Trigger the Android system back button behavior.
140 */
141extern DECLSPEC void SDLCALL SDL_AndroidBackButton(void);
142
143/**
144 See the official Android developer guide for more information:
145 http://developer.android.com/guide/topics/data/data-storage.html
146*/
147#define SDL_ANDROID_EXTERNAL_STORAGE_READ 0x01
148#define SDL_ANDROID_EXTERNAL_STORAGE_WRITE 0x02
149
150/**
151 \brief Get the path used for internal storage for this application.
152
153 This path is unique to your application and cannot be written to
154 by other applications.
155 */
156extern DECLSPEC const char * SDLCALL SDL_AndroidGetInternalStoragePath(void);
157
158/**
159 \brief Get the current state of external storage, a bitmask of these values:
160 SDL_ANDROID_EXTERNAL_STORAGE_READ
161 SDL_ANDROID_EXTERNAL_STORAGE_WRITE
162
163 If external storage is currently unavailable, this will return 0.
164*/
165extern DECLSPEC int SDLCALL SDL_AndroidGetExternalStorageState(void);
166
167/**
168 \brief Get the path used for external storage for this application.
169
170 This path is unique to your application, but is public and can be
171 written to by other applications.
172 */
173extern DECLSPEC const char * SDLCALL SDL_AndroidGetExternalStoragePath(void);
174
175#endif /* __ANDROID__ */
176
177/* Platform specific functions for WinRT */
178#if defined(__WINRT__) && __WINRT__
179
180/**
181 * \brief WinRT / Windows Phone path types
182 */
183typedef enum
184{
185 /** \brief The installed app's root directory.
186 Files here are likely to be read-only. */
187 SDL_WINRT_PATH_INSTALLED_LOCATION,
188
189 /** \brief The app's local data store. Files may be written here */
190 SDL_WINRT_PATH_LOCAL_FOLDER,
191
192 /** \brief The app's roaming data store. Unsupported on Windows Phone.
193 Files written here may be copied to other machines via a network
194 connection.
195 */
196 SDL_WINRT_PATH_ROAMING_FOLDER,
197
198 /** \brief The app's temporary data store. Unsupported on Windows Phone.
199 Files written here may be deleted at any time. */
200 SDL_WINRT_PATH_TEMP_FOLDER
201} SDL_WinRT_Path;
202
203
204/**
205 * \brief WinRT Device Family
206 */
207typedef enum
208{
209 /** \brief Unknown family */
210 SDL_WINRT_DEVICEFAMILY_UNKNOWN,
211
212 /** \brief Desktop family*/
213 SDL_WINRT_DEVICEFAMILY_DESKTOP,
214
215 /** \brief Mobile family (for example smartphone) */
216 SDL_WINRT_DEVICEFAMILY_MOBILE,
217
218 /** \brief XBox family */
219 SDL_WINRT_DEVICEFAMILY_XBOX,
220} SDL_WinRT_DeviceFamily;
221
222
223/**
224 * \brief Retrieves a WinRT defined path on the local file system
225 *
226 * \note Documentation on most app-specific path types on WinRT
227 * can be found on MSDN, at the URL:
228 * http://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
229 *
230 * \param pathType The type of path to retrieve.
231 * \return A UCS-2 string (16-bit, wide-char) containing the path, or NULL
232 * if the path is not available for any reason. Not all paths are
233 * available on all versions of Windows. This is especially true on
234 * Windows Phone. Check the documentation for the given
235 * SDL_WinRT_Path for more information on which path types are
236 * supported where.
237 */
238extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType);
239
240/**
241 * \brief Retrieves a WinRT defined path on the local file system
242 *
243 * \note Documentation on most app-specific path types on WinRT
244 * can be found on MSDN, at the URL:
245 * http://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx
246 *
247 * \param pathType The type of path to retrieve.
248 * \return A UTF-8 string (8-bit, multi-byte) containing the path, or NULL
249 * if the path is not available for any reason. Not all paths are
250 * available on all versions of Windows. This is especially true on
251 * Windows Phone. Check the documentation for the given
252 * SDL_WinRT_Path for more information on which path types are
253 * supported where.
254 */
255extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
256
257/**
258 * \brief Detects the device family of WinRT plattform on runtime
259 *
260 * \return Device family
261 */
262extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
263
264#endif /* __WINRT__ */
265
266/**
267 \brief Return true if the current device is a tablet.
268 */
269extern DECLSPEC SDL_bool SDLCALL SDL_IsTablet(void);
270
271/* Ends C function definitions when using C++ */
272#ifdef __cplusplus
273}
274#endif
275#include "close_code.h"
276
277#endif /* SDL_system_h_ */
278
279/* vi: set ts=4 sw=4 expandtab: */
280