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346 lines
8.9 KiB
346 lines
8.9 KiB
/* |
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platform.h - common platform-dependent function defines |
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Copyright (C) 2018 a1batross |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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*/ |
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#pragma once |
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#ifndef PLATFORM_H |
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#define PLATFORM_H |
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#include "common.h" |
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#include "system.h" |
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#include "defaults.h" |
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#include "cursor_type.h" |
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#include "key_modifiers.h" |
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/* |
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============================================================================== |
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SYSTEM UTILS |
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============================================================================== |
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*/ |
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double Platform_DoubleTime( void ); |
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void Platform_Sleep( int msec ); |
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void Platform_ShellExecute( const char *path, const char *parms ); |
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void Platform_MessageBox( const char *title, const char *message, qboolean parentMainWindow ); |
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qboolean Sys_DebuggerPresent( void ); // optional, see Sys_DebugBreak |
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void Platform_SetStatus( const char *status ); |
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// legacy iOS port functions |
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#if TARGET_OS_IOS |
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const char *IOS_GetDocsDir( void ); |
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void IOS_LaunchDialog( void ); |
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#endif // TARGET_OS_IOS |
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#if XASH_WIN32 || XASH_LINUX |
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#define XASH_PLATFORM_HAVE_STATUS 1 |
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#else |
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#undef XASH_PLATFORM_HAVE_STATUS |
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#endif |
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#if XASH_POSIX |
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void Posix_Daemonize( void ); |
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#endif |
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#if XASH_SDL |
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void SDLash_Init( void ); |
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void SDLash_Shutdown( void ); |
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#endif |
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#if XASH_ANDROID |
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const char *Android_GetAndroidID( void ); |
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const char *Android_LoadID( void ); |
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void Android_SaveID( const char *id ); |
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void Android_Init( void ); |
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void *Android_GetNativeObject( const char *name ); |
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int Android_GetKeyboardHeight( void ); |
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void Android_Shutdown( void ); |
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#endif |
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#if XASH_WIN32 |
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void Wcon_CreateConsole( void ); |
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void Wcon_DestroyConsole( void ); |
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#endif |
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#if XASH_NSWITCH |
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void NSwitch_Init( void ); |
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void NSwitch_Shutdown( void ); |
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#endif |
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#if XASH_PSVITA |
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void PSVita_Init( void ); |
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void PSVita_Shutdown( void ); |
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qboolean PSVita_GetBasePath( char *buf, const size_t buflen ); |
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int PSVita_GetArgv( int in_argc, char **in_argv, char ***out_argv ); |
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void PSVita_InputUpdate( void ); |
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#endif |
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#if XASH_DOS |
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void DOS_Init( void ); |
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void DOS_Shutdown( void ); |
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#endif |
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#if XASH_LINUX |
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void Linux_Init( void ); |
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void Linux_Shutdown( void ); |
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void Linux_SetTimer( float time ); |
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#endif |
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static inline void Platform_Init( void ) |
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{ |
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#if XASH_POSIX |
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// daemonize as early as possible, because we need to close our file descriptors |
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Posix_Daemonize( ); |
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#endif |
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#if XASH_SDL |
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SDLash_Init( ); |
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#endif |
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#if XASH_ANDROID |
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Android_Init( ); |
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#elif XASH_NSWITCH |
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NSwitch_Init( ); |
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#elif XASH_PSVITA |
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PSVita_Init( ); |
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#elif XASH_DOS |
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DOS_Init( ); |
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#elif XASH_WIN32 |
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Wcon_CreateConsole( ); |
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#elif XASH_LINUX |
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Linux_Init( ); |
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#endif |
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} |
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static inline void Platform_Shutdown( void ) |
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{ |
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#if XASH_NSWITCH |
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NSwitch_Shutdown( ); |
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#elif XASH_PSVITA |
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PSVita_Shutdown( ); |
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#elif XASH_DOS |
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DOS_Shutdown( ); |
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#elif XASH_WIN32 |
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Wcon_DestroyConsole( ); |
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#elif XASH_LINUX |
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Linux_Shutdown( ); |
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#endif |
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#if XASH_SDL |
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SDLash_Shutdown( ); |
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#endif |
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} |
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/* |
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============================================================================== |
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MOBILE API |
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============================================================================== |
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*/ |
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void Platform_Vibrate( float life, char flags ); |
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/* |
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============================================================================== |
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INPUT |
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============================================================================== |
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*/ |
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// Gamepad support |
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int Platform_JoyInit( int numjoy ); // returns number of connected gamepads, negative if error |
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// Text input |
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void Platform_EnableTextInput( qboolean enable ); |
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key_modifier_t Platform_GetKeyModifiers( void ); |
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// System events |
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void Platform_RunEvents( void ); |
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// Mouse |
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void Platform_GetMousePos( int *x, int *y ); |
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void Platform_SetMousePos( int x, int y ); |
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void Platform_PreCreateMove( void ); |
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void Platform_MouseMove( float *x, float *y ); |
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void Platform_SetCursorType( VGUI_DefaultCursor type ); |
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// Clipboard |
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int Platform_GetClipboardText( char *buffer, size_t size ); |
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void Platform_SetClipboardText( const char *buffer ); |
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#if XASH_SDL == 12 |
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#define SDL_SetWindowGrab( wnd, state ) SDL_WM_GrabInput( (state) ) |
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#define SDL_MinimizeWindow( wnd ) SDL_WM_IconifyWindow() |
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#define SDL_IsTextInputActive() host.textmode |
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#endif |
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#if !XASH_SDL |
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#define SDL_VERSION_ATLEAST( x, y, z ) 0 |
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#endif |
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static inline void Platform_SetTimer( float time ) |
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{ |
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#if XASH_LINUX |
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Linux_SetTimer( time ); |
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#endif |
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} |
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/* |
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============================================================================== |
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WINDOW MANAGEMENT |
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============================================================================== |
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*/ |
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typedef enum |
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{ |
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rserr_ok, |
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rserr_invalid_fullscreen, |
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rserr_invalid_mode, |
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rserr_unknown |
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} rserr_t; |
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struct vidmode_s; |
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typedef enum window_mode_e window_mode_t; |
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// Window |
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qboolean R_Init_Video( const int type ); |
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void R_Free_Video( void ); |
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qboolean VID_SetMode( void ); |
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rserr_t R_ChangeDisplaySettings( int width, int height, window_mode_t window_mode ); |
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int R_MaxVideoModes( void ); |
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struct vidmode_s *R_GetVideoMode( int num ); |
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void* GL_GetProcAddress( const char *name ); // RenderAPI requirement |
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void GL_UpdateSwapInterval( void ); |
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int GL_SetAttribute( int attr, int val ); |
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int GL_GetAttribute( int attr, int *val ); |
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void GL_SwapBuffers( void ); |
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void *SW_LockBuffer( void ); |
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void SW_UnlockBuffer( void ); |
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qboolean SW_CreateBuffer( int width, int height, uint *stride, uint *bpp, uint *r, uint *g, uint *b ); |
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// |
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// in_evdev.c |
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// |
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#if XASH_USE_EVDEV |
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void Evdev_SetGrab( qboolean grab ); |
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void Evdev_Shutdown( void ); |
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void Evdev_Init( void ); |
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void IN_EvdevMove( float *yaw, float *pitch ); |
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void IN_EvdevFrame ( void ); |
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#endif // XASH_USE_EVDEV |
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/* |
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============================================================================== |
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AUDIO INPUT/OUTPUT |
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============================================================================== |
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*/ |
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// initializes cycling through a DMA buffer and returns information on it |
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qboolean SNDDMA_Init( void ); |
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void SNDDMA_Shutdown( void ); |
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void SNDDMA_BeginPainting( void ); |
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void SNDDMA_Submit( void ); |
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void SNDDMA_Activate( qboolean active ); // pause audio |
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// void SNDDMA_PrintDeviceName( void ); // unused |
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// void SNDDMA_LockSound( void ); // unused |
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// void SNDDMA_UnlockSound( void ); // unused |
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qboolean VoiceCapture_Init( void ); |
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void VoiceCapture_Shutdown( void ); |
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qboolean VoiceCapture_Activate( qboolean activate ); |
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qboolean VoiceCapture_Lock( qboolean lock ); |
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// this allows to make break in current line, without entering libc code |
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// libc built with -fomit-frame-pointer may just eat stack frame (hello, glibc), making entering libc even more useless |
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// calling syscalls directly allows to make break like if it was asm("int $3") on x86 |
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#if XASH_LINUX && XASH_X86 |
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#define INLINE_RAISE(x) asm volatile( "int $3;" ); |
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#define INLINE_NANOSLEEP1() // nothing! |
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#elif XASH_LINUX && XASH_ARM && !XASH_64BIT |
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#define INLINE_RAISE(x) do \ |
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{ \ |
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int raise_pid = getpid(); \ |
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int raise_tid = gettid(); \ |
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int raise_sig = (x); \ |
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__asm__ volatile ( \ |
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"mov r7,#268\n\t" \ |
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"mov r0,%0\n\t" \ |
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"mov r1,%1\n\t" \ |
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"mov r2,%2\n\t" \ |
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"svc 0\n\t" \ |
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: \ |
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: "r"(raise_pid), "r"(raise_tid), "r"(raise_sig) \ |
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: "r0", "r1", "r2", "r7", "memory" \ |
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); \ |
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} while( 0 ) |
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#define INLINE_NANOSLEEP1() do \ |
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{ \ |
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struct timespec ns_t1 = {1, 0}; \ |
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struct timespec ns_t2 = {0, 0}; \ |
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__asm__ volatile ( \ |
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"mov r7,#162\n\t" \ |
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"mov r0,%0\n\t" \ |
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"mov r1,%1\n\t" \ |
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"svc 0\n\t" \ |
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: \ |
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: "r"(&ns_t1), "r"(&ns_t2) \ |
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: "r0", "r1", "r7", "memory" \ |
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); \ |
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} while( 0 ) |
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#elif XASH_LINUX && XASH_ARM && XASH_64BIT |
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#define INLINE_RAISE(x) do \ |
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{ \ |
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int raise_pid = getpid(); \ |
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int raise_tid = gettid(); \ |
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int raise_sig = (x); \ |
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__asm__ volatile ( \ |
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"mov x8,#131\n\t" \ |
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"mov x0,%0\n\t" \ |
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"mov x1,%1\n\t" \ |
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"mov x2,%2\n\t" \ |
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"svc 0\n\t" \ |
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: \ |
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: "r"(raise_pid), "r"(raise_tid), "r"(raise_sig) \ |
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: "x0", "x1", "x2", "x8", "memory", "cc" \ |
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); \ |
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} while( 0 ) |
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#define INLINE_NANOSLEEP1() do \ |
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{ \ |
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struct timespec ns_t1 = {1, 0}; \ |
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struct timespec ns_t2 = {0, 0}; \ |
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__asm__ volatile ( \ |
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"mov x8,#101\n\t" \ |
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"mov x0,%0\n\t" \ |
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"mov x1,%1\n\t" \ |
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"svc 0\n\t" \ |
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: \ |
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: "r"(&ns_t1), "r"(&ns_t2) \ |
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: "x0", "x1", "x8", "memory", "cc" \ |
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); \ |
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} while( 0 ) |
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#elif XASH_LINUX |
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#ifdef __NR_tgkill |
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#define INLINE_RAISE(x) syscall( __NR_tgkill, getpid(), gettid(), x ) |
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#else // __NR_tgkill |
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#define INLINE_RAISE(x) raise(x) |
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#endif // __NR_tgkill |
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#define INLINE_NANOSLEEP1() do \ |
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{ \ |
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struct timespec ns_t1 = {1, 0}; \ |
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struct timespec ns_t2 = {0, 0}; \ |
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nanosleep( &ns_t1, &ns_t2 ); \ |
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} while( 0 ) |
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#else // generic |
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#define INLINE_RAISE(x) raise(x) |
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#define INLINE_NANOSLEEP1() sleep(1) |
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#endif // generic |
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#endif // PLATFORM_H
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