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 /** 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 39 extern "C" { 40 #endif 41 42 43 /* Platform specific functions for Windows */ 44 #ifdef __WIN32__ 45 46 /* Returns the D3D9 adapter index that matches the specified display index. 47 This adapter index can be passed to IDirect3D9::CreateDevice and controls 48 on which monitor a full screen application will appear. 49 */ 50 extern DECLSPEC int SDLCALL SDL_Direct3D9GetAdapterIndex( int displayIndex ); 51 52 /* Returns the D3D device associated with a renderer, or NULL if it's not a D3D renderer. 53 Once you are done using the device, you should release it to avoid a resource leak. 54 */ 55 typedef struct IDirect3DDevice9 IDirect3DDevice9; 56 extern DECLSPEC IDirect3DDevice9* SDLCALL SDL_RenderGetD3D9Device(SDL_Renderer * renderer); 57 58 /* Returns the DXGI Adapter and Output indices for the specified display index. 59 These can be passed to EnumAdapters and EnumOutputs respectively to get the objects 60 required to create a DX10 or DX11 device and swap chain. 61 */ 62 extern DECLSPEC void SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *adapterIndex, int *outputIndex ); 63 64 #endif /* __WIN32__ */ 65 66 67 /* Platform specific functions for iOS */ 68 #if defined(__IPHONEOS__) && __IPHONEOS__ 69 70 extern DECLSPEC int SDLCALL SDL_iPhoneSetAnimationCallback(SDL_Window * window, int interval, void (*callback)(void*), void *callbackParam); 71 extern DECLSPEC void SDLCALL SDL_iPhoneSetEventPump(SDL_bool enabled); 72 73 #endif /* __IPHONEOS__ */ 74 75 76 /* Platform specific functions for Android */ 77 #if defined(__ANDROID__) && __ANDROID__ 78 79 /* Get the JNI environment for the current thread 80 This returns JNIEnv*, but the prototype is void* so we don't need jni.h 81 */ 82 extern DECLSPEC void * SDLCALL SDL_AndroidGetJNIEnv(); 83 84 /* Get the SDL Activity object for the application 85 This returns jobject, but the prototype is void* so we don't need jni.h 86 The jobject returned by SDL_AndroidGetActivity is a local reference. 87 It is the caller's responsibility to properly release it 88 (using env->Push/PopLocalFrame or manually with env->DeleteLocalRef) 89 */ 90 extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(); 91 92 /* See the official Android developer guide for more information: 93 http://developer.android.com/guide/topics/data/data-storage.html 94 */ 95 #define SDL_ANDROID_EXTERNAL_STORAGE_READ 0x01 96 #define SDL_ANDROID_EXTERNAL_STORAGE_WRITE 0x02 97 98 /* Get the path used for internal storage for this application. 99 This path is unique to your application and cannot be written to 100 by other applications. 101 */ 102 extern DECLSPEC const char * SDLCALL SDL_AndroidGetInternalStoragePath(); 103 104 /* Get the current state of external storage, a bitmask of these values: 105 SDL_ANDROID_EXTERNAL_STORAGE_READ 106 SDL_ANDROID_EXTERNAL_STORAGE_WRITE 107 If external storage is currently unavailable, this will return 0. 108 */ 109 extern DECLSPEC int SDLCALL SDL_AndroidGetExternalStorageState(); 110 111 /* Get the path used for external storage for this application. 112 This path is unique to your application, but is public and can be 113 written to by other applications. 114 */ 115 extern DECLSPEC const char * SDLCALL SDL_AndroidGetExternalStoragePath(); 116 117 #endif /* __ANDROID__ */ 118 119 /* Platform specific functions for WinRT */ 120 #if defined(__WINRT__) && __WINRT__ 121 122 /** 123 * \brief WinRT / Windows Phone path types 124 */ 125 typedef enum 126 { 127 /** \brief The installed app's root directory. 128 Files here are likely to be read-only. */ 129 SDL_WINRT_PATH_INSTALLED_LOCATION, 130 131 /** \brief The app's local data store. Files may be written here */ 132 SDL_WINRT_PATH_LOCAL_FOLDER, 133 134 /** \brief The app's roaming data store. Unsupported on Windows Phone. 135 Files written here may be copied to other machines via a network 136 connection. 137 */ 138 SDL_WINRT_PATH_ROAMING_FOLDER, 139 140 /** \brief The app's temporary data store. Unsupported on Windows Phone. 141 Files written here may be deleted at any time. */ 142 SDL_WINRT_PATH_TEMP_FOLDER 143 } SDL_WinRT_Path; 144 145 146 /** 147 * \brief Retrieves a WinRT defined path on the local file system 148 * 149 * \note Documentation on most app-specific path types on WinRT 150 * can be found on MSDN, at the URL: 151 * http://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx 152 * 153 * \param pathType The type of path to retrieve. 154 * \ret A UCS-2 string (16-bit, wide-char) containing the path, or NULL 155 * if the path is not available for any reason. Not all paths are 156 * available on all versions of Windows. This is especially true on 157 * Windows Phone. Check the documentation for the given 158 * SDL_WinRT_Path for more information on which path types are 159 * supported where. 160 */ 161 extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path pathType); 162 163 /** 164 * \brief Retrieves a WinRT defined path on the local file system 165 * 166 * \note Documentation on most app-specific path types on WinRT 167 * can be found on MSDN, at the URL: 168 * http://msdn.microsoft.com/en-us/library/windows/apps/hh464917.aspx 169 * 170 * \param pathType The type of path to retrieve. 171 * \ret A UTF-8 string (8-bit, multi-byte) containing the path, or NULL 172 * if the path is not available for any reason. Not all paths are 173 * available on all versions of Windows. This is especially true on 174 * Windows Phone. Check the documentation for the given 175 * SDL_WinRT_Path for more information on which path types are 176 * supported where. 177 */ 178 extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType); 179 180 #endif /* __WINRT__ */ 181 182 183 /* Ends C function definitions when using C++ */ 184 #ifdef __cplusplus 185 } 186 #endif 187 #include "close_code.h" 188 189 #endif /* _SDL_system_h */ 190 191 /* vi: set ts=4 sw=4 expandtab: */ 192