mirror of https://github.com/FWGS/xash3d-fwgs
347 lines
8.9 KiB
C
347 lines
8.9 KiB
C
/*
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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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