diff options
Diffstat (limited to 'src/unix/sdl_glimp.c')
| -rw-r--r-- | src/unix/sdl_glimp.c | 1755 |
1 files changed, 1755 insertions, 0 deletions
diff --git a/src/unix/sdl_glimp.c b/src/unix/sdl_glimp.c new file mode 100644 index 0000000..dcfa0a8 --- /dev/null +++ b/src/unix/sdl_glimp.c @@ -0,0 +1,1755 @@ + +#if USE_SDL_VIDEO + +/* + * SDL implementation for Quake 3: Arena's GPL source release. + * + * I wrote such a beast originally for Loki's port of Heavy Metal: FAKK2, + * and then wrote it again for the Linux client of Medal of Honor: Allied + * Assault. Third time's a charm, so I'm rewriting this once more for the + * GPL release of Quake 3. + * + * Written by Ryan C. Gordon (icculus@icculus.org). Please refer to + * http://ioquake3.org/ for the latest version of this code. + * + * Patches and comments are welcome at the above address. + * + * I cut-and-pasted this from linux_glimp.c, and moved it to SDL line-by-line. + * There is probably some cruft that could be removed here. + * + * You should define USE_SDL=1 and then add this to the makefile. + * USE_SDL will disable the X11 target. + */ + +/* +Original copyright on Q3A sources: +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. +Copyright (C) 2000-2006 Tim Angus + +This file is part of Tremulous. + +Tremulous is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 2 of the License, +or (at your option) any later version. + +Tremulous is distributed in the hope that it will be +useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Tremulous; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ +/* +** GLW_IMP.C +** +** This file contains ALL Linux specific stuff having to do with the +** OpenGL refresh. When a port is being made the following functions +** must be implemented by the port: +** +** GLimp_EndFrame +** GLimp_Init +** GLimp_Shutdown +** GLimp_SwitchFullscreen +** GLimp_SetGamma +** +*/ + +#include "SDL.h" + +#ifdef SMP +#include "SDL_thread.h" +#endif + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#if USE_SDL_VIDEO +#include "SDL.h" +#include "SDL_loadso.h" +#else +#include <dlfcn.h> +#endif + +#include "../renderer/tr_local.h" +#include "../client/client.h" +#include "linux_local.h" // bk001130 + +#include "unix_glw.h" + + +/* Just hack it for now. */ +#ifdef MACOS_X +#include <IOKit/hidsystem/IOHIDLib.h> +#include <IOKit/hidsystem/IOHIDParameter.h> +#include <drivers/event_status_driver.h> +typedef CGLContextObj QGLContext; +#define GLimp_GetCurrentContext() CGLGetCurrentContext() +#define GLimp_SetCurrentContext(ctx) CGLSetCurrentContext(ctx) +#else +typedef void *QGLContext; +#define GLimp_GetCurrentContext() (NULL) +#define GLimp_SetCurrentContext(ctx) +#endif + +static QGLContext opengl_context; + +//#define KBD_DBG + +typedef enum +{ + RSERR_OK, + + RSERR_INVALID_FULLSCREEN, + RSERR_INVALID_MODE, + + RSERR_UNKNOWN +} rserr_t; + +glwstate_t glw_state; + +static SDL_Surface *screen = NULL; +static SDL_Joystick *stick = NULL; + +static qboolean mouse_avail = qfalse; +static qboolean mouse_active = qfalse; +static qboolean sdlrepeatenabled = qfalse; + +static cvar_t *in_mouse; +static cvar_t *in_disablemacosxmouseaccel; +#ifdef MACOS_X +static double originalMouseSpeed = -1.0; +#endif +cvar_t *in_subframe; +cvar_t *in_nograb; // this is strictly for developers + +// bk001130 - from cvs1.17 (mkv), but not static +cvar_t *in_joystick = NULL; +cvar_t *in_joystickDebug = NULL; +cvar_t *joy_threshold = NULL; + +cvar_t *r_allowSoftwareGL; // don't abort out if the pixelformat claims software +cvar_t *r_previousglDriver; + +qboolean GLimp_sdl_init_video(void) +{ + if (!SDL_WasInit(SDL_INIT_VIDEO)) + { + ri.Printf( PRINT_ALL, "Calling SDL_Init(SDL_INIT_VIDEO)...\n"); + if (SDL_Init(SDL_INIT_VIDEO) == -1) + { + ri.Printf( PRINT_ALL, "SDL_Init(SDL_INIT_VIDEO) failed: %s\n", SDL_GetError()); + return qfalse; + } + ri.Printf( PRINT_ALL, "SDL_Init(SDL_INIT_VIDEO) passed.\n"); + } + + return qtrue; +} + + +/* +* Find the first occurrence of find in s. +*/ +// bk001130 - from cvs1.17 (mkv), const +// bk001130 - made first argument const +static const char *Q_stristr( const char *s, const char *find) +{ + register char c, sc; + register size_t len; + + if ((c = *find++) != 0) + { + if (c >= 'a' && c <= 'z') + { + c -= ('a' - 'A'); + } + len = strlen(find); + do + { + do + { + if ((sc = *s++) == 0) + return NULL; + if (sc >= 'a' && sc <= 'z') + { + sc -= ('a' - 'A'); + } + } while (sc != c); + } while (Q_stricmpn(s, find, len) != 0); + s--; + } + return s; +} + +static const char *XLateKey(SDL_keysym *keysym, int *key) +{ + static char buf[2] = { '\0', '\0' }; + *key = 0; + + *buf = '\0'; + + // these happen to match the ASCII chars. + if ((keysym->sym >= ' ') && (keysym->sym <= '~')) + { + *key = (int) keysym->sym; + } + else + switch (keysym->sym) + { + case SDLK_PAGEUP: *key = K_PGUP; break; + case SDLK_KP9: *key = K_KP_PGUP; break; + case SDLK_PAGEDOWN: *key = K_PGDN; break; + case SDLK_KP3: *key = K_KP_PGDN; break; + case SDLK_KP7: *key = K_KP_HOME; break; + case SDLK_HOME: *key = K_HOME; break; + case SDLK_KP1: *key = K_KP_END; break; + case SDLK_END: *key = K_END; break; + case SDLK_KP4: *key = K_KP_LEFTARROW; break; + case SDLK_LEFT: *key = K_LEFTARROW; break; + case SDLK_KP6: *key = K_KP_RIGHTARROW; break; + case SDLK_RIGHT: *key = K_RIGHTARROW; break; + case SDLK_KP2: *key = K_KP_DOWNARROW; break; + case SDLK_DOWN: *key = K_DOWNARROW; break; + case SDLK_KP8: *key = K_KP_UPARROW; break; + case SDLK_UP: *key = K_UPARROW; break; + case SDLK_ESCAPE: *key = K_ESCAPE; break; + case SDLK_KP_ENTER: *key = K_KP_ENTER; break; + case SDLK_RETURN: *key = K_ENTER; break; + case SDLK_TAB: *key = K_TAB; break; + case SDLK_F1: *key = K_F1; break; + case SDLK_F2: *key = K_F2; break; + case SDLK_F3: *key = K_F3; break; + case SDLK_F4: *key = K_F4; break; + case SDLK_F5: *key = K_F5; break; + case SDLK_F6: *key = K_F6; break; + case SDLK_F7: *key = K_F7; break; + case SDLK_F8: *key = K_F8; break; + case SDLK_F9: *key = K_F9; break; + case SDLK_F10: *key = K_F10; break; + case SDLK_F11: *key = K_F11; break; + case SDLK_F12: *key = K_F12; break; + case SDLK_F13: *key = K_F13; break; + case SDLK_F14: *key = K_F14; break; + case SDLK_F15: *key = K_F15; break; + + // bk001206 - from Ryan's Fakk2 + case SDLK_BACKSPACE: *key = K_BACKSPACE; break; // ctrl-h + case SDLK_KP_PERIOD: *key = K_KP_DEL; break; + case SDLK_DELETE: *key = K_DEL; break; + case SDLK_PAUSE: *key = K_PAUSE; break; + + case SDLK_LSHIFT: + case SDLK_RSHIFT: *key = K_SHIFT; break; + + case SDLK_LCTRL: + case SDLK_RCTRL: *key = K_CTRL; break; + + case SDLK_RMETA: + case SDLK_LMETA: + case SDLK_RALT: + case SDLK_LALT: *key = K_ALT; break; + + case SDLK_LSUPER: + case SDLK_RSUPER: *key = K_SUPER; break; + + case SDLK_KP5: *key = K_KP_5; break; + case SDLK_INSERT: *key = K_INS; break; + case SDLK_KP0: *key = K_KP_INS; break; + case SDLK_KP_MULTIPLY: *key = K_KP_STAR; break; + case SDLK_KP_PLUS: *key = K_KP_PLUS; break; + case SDLK_KP_MINUS: *key = K_KP_MINUS; break; + case SDLK_KP_DIVIDE: *key = K_KP_SLASH; break; + + case SDLK_MODE: *key = K_MODE; break; + case SDLK_COMPOSE: *key = K_COMPOSE; break; + case SDLK_HELP: *key = K_HELP; break; + case SDLK_PRINT: *key = K_PRINT; break; + case SDLK_SYSREQ: *key = K_SYSREQ; break; + case SDLK_BREAK: *key = K_BREAK; break; + case SDLK_MENU: *key = K_MENU; break; + case SDLK_POWER: *key = K_POWER; break; + case SDLK_EURO: *key = K_EURO; break; + case SDLK_UNDO: * key = K_UNDO; break; + case SDLK_SCROLLOCK: *key = K_SCROLLOCK; break; + case SDLK_NUMLOCK: *key = K_KP_NUMLOCK; break; + case SDLK_CAPSLOCK: *key = K_CAPSLOCK; break; + + default: + if (keysym->sym >= SDLK_WORLD_0 && keysym->sym <= SDLK_WORLD_95) + *key = (keysym->sym - SDLK_WORLD_0) + K_WORLD_0; + break; + } + + if( keysym->unicode <= 127 ) // maps to ASCII? + { + char ch = (char) keysym->unicode; + if (ch == '~') + *key = '~'; // console HACK + + // The X11 driver converts to lowercase, but apparently we shouldn't. + // There's possibly somewhere else where they covert back. Passing + // uppercase to the engine works fine and fixes all-lower input. + // (https://bugzilla.icculus.org/show_bug.cgi?id=2364) --ryan. + //else if (ch >= 'A' && ch <= 'Z') + // ch = ch - 'A' + 'a'; + + // translate K_BACKSPACE to ctrl-h for MACOS_X (others?) + if (ch == K_BACKSPACE && keysym->sym != SDLK_DELETE) + { + *key = 'h' - 'a' + 1; + buf[0] = *key; + } + else + buf[0] = ch; + } + + return buf; +} + +static void install_grabs(void) +{ + SDL_WM_GrabInput(SDL_GRAB_ON); + SDL_ShowCursor(0); + + // This is a bug in the current SDL/macosx...have to toggle it a few + // times to get the cursor to hide. +#if defined(MACOS_X) + SDL_ShowCursor(1); + SDL_ShowCursor(0); +#endif +} + +static void uninstall_grabs(void) +{ + SDL_ShowCursor(1); + SDL_WM_GrabInput(SDL_GRAB_OFF); +} + +static void printkey(const SDL_Event* event) +{ +#ifdef KBD_DBG + printf("key name: %s", SDL_GetKeyName(event->key.keysym.sym)); + if(event->key.keysym.unicode) + { + printf(" unicode: %hx", event->key.keysym.unicode); + if (event->key.keysym.unicode >= '0' + && event->key.keysym.unicode <= '~') // printable? + printf(" (%c)", (unsigned char)(event->key.keysym.unicode)); + } + puts(""); +#endif +} + +static void HandleEvents(void) +{ + const int t = 0; // always just use the current time. + SDL_Event e; + const char *p = NULL; + int key = 0; + + if (screen == NULL) + return; // no SDL context. + + if (cls.keyCatchers == 0) + { + if (sdlrepeatenabled) + { + SDL_EnableKeyRepeat(0, 0); + sdlrepeatenabled = qfalse; + } + } + else + { + if (!sdlrepeatenabled) + { + SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); + sdlrepeatenabled = qtrue; + } + } + + while (SDL_PollEvent(&e)) + { + switch (e.type) + { + case SDL_KEYDOWN: + printkey(&e); + p = XLateKey(&e.key.keysym, &key); + if (key) + { + Sys_QueEvent( t, SE_KEY, key, qtrue, 0, NULL ); + } + if (p) + { + while (*p) + { + Sys_QueEvent( t, SE_CHAR, *p++, 0, 0, NULL ); + } + } + break; + + case SDL_KEYUP: + XLateKey(&e.key.keysym, &key); + Sys_QueEvent( t, SE_KEY, key, qfalse, 0, NULL ); + break; + + case SDL_MOUSEMOTION: + if (mouse_active) + { + Sys_QueEvent( t, SE_MOUSE, e.motion.xrel, e.motion.yrel, 0, NULL ); + } + break; + + case SDL_MOUSEBUTTONDOWN: + case SDL_MOUSEBUTTONUP: + { + unsigned char b; + switch (e.button.button) + { + case 1: b = K_MOUSE1; break; + case 2: b = K_MOUSE3; break; + case 3: b = K_MOUSE2; break; + case 4: b = K_MWHEELUP; break; + case 5: b = K_MWHEELDOWN; break; + case 6: b = K_MOUSE4; break; + case 7: b = K_MOUSE5; break; + default: b = K_AUX1 + (e.button.button - 8)%16; break; + } + Sys_QueEvent( t, SE_KEY, b, (e.type == SDL_MOUSEBUTTONDOWN?qtrue:qfalse), 0, NULL ); + } + break; + + case SDL_QUIT: + Sys_Quit(); + break; + } + } +} + +// NOTE TTimo for the tty console input, we didn't rely on those .. +// it's not very surprising actually cause they are not used otherwise +void KBD_Init(void) +{ +} + +void KBD_Close(void) +{ +} + +#ifdef MACOS_X +io_connect_t IN_GetIOHandle() // mac os x mouse accel hack + { + io_connect_t iohandle = MACH_PORT_NULL; + kern_return_t status; + io_service_t iohidsystem = MACH_PORT_NULL; + mach_port_t masterport; + + status = IOMasterPort(MACH_PORT_NULL, &masterport); + if(status != KERN_SUCCESS) + return 0; + + iohidsystem = IORegistryEntryFromPath(masterport, kIOServicePlane ":/IOResources/IOHIDSystem"); + if(!iohidsystem) + return 0; + + status = IOServiceOpen(iohidsystem, mach_task_self(), kIOHIDParamConnectType, &iohandle); + IOObjectRelease(iohidsystem); + + return iohandle; + } +#endif + +void IN_ActivateMouse( void ) +{ + if (!mouse_avail || !screen) + return; + + #ifdef MACOS_X + if (!mouse_active && mouse_avail) // mac os x mouse accel hack + { + // Save the status of mouse acceleration + originalMouseSpeed = -1.0; // in case of error + if(in_disablemacosxmouseaccel->integer) + { + io_connect_t mouseDev = IN_GetIOHandle(); + if(mouseDev != 0) + { + if(IOHIDGetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), &originalMouseSpeed) == kIOReturnSuccess) + { + Com_Printf("previous mouse acceleration: %f\n", originalMouseSpeed); + if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), -1.0) != kIOReturnSuccess) + { + Com_Printf("Could not disable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n"); + Cvar_Set ("in_disablemacosxmouseaccel", 0); + } + } + else + { + Com_Printf("Could not disable mouse acceleration (failed at IOHIDGetAccelerationWithKey).\n"); + Cvar_Set ("in_disablemacosxmouseaccel", 0); + } + IOServiceClose(mouseDev); + } + else + { + Com_Printf("Could not disable mouse acceleration (failed at IO_GetIOHandle).\n"); + Cvar_Set ("in_disablemacosxmouseaccel", 0); + } + } + } + #endif + + if (!mouse_active) + { + if (!in_nograb->value) + install_grabs(); + mouse_active = qtrue; + } +} + +void IN_DeactivateMouse( void ) +{ + if (!mouse_avail || !screen) + return; + + #ifdef MACOS_X + if (mouse_active) // mac os x mouse accel hack + { + if(originalMouseSpeed != -1.0) + { + io_connect_t mouseDev = IN_GetIOHandle(); + if(mouseDev != 0) + { + Com_Printf("restoring mouse acceleration to: %f\n", originalMouseSpeed); + if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), originalMouseSpeed) != kIOReturnSuccess) + Com_Printf("Could not re-enable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n"); + IOServiceClose(mouseDev); + } + else + Com_Printf("Could not re-enable mouse acceleration (failed at IO_GetIOHandle).\n"); + } + } + #endif + + if (mouse_active) + { + if (!in_nograb->value) + uninstall_grabs(); + mouse_active = qfalse; + } +} +/*****************************************************************************/ + +/* +** GLimp_SetGamma +** +** This routine should only be called if glConfig.deviceSupportsGamma is TRUE +*/ +void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned char blue[256] ) +{ + Uint16 table[3][256]; + int i, j; +// float g; + + if(r_ignorehwgamma->integer) + return; + + // taken from win_gamma.c: + for (i = 0; i < 256; i++) + { + table[0][i] = ( ( ( Uint16 ) red[i] ) << 8 ) | red[i]; + table[1][i] = ( ( ( Uint16 ) green[i] ) << 8 ) | green[i]; + table[2][i] = ( ( ( Uint16 ) blue[i] ) << 8 ) | blue[i]; + } + + // enforce constantly increasing + for (j = 0; j < 3; j++) + { + for (i = 1; i < 256; i++) + { + if (table[j][i] < table[j][i-1]) + table[j][i] = table[j][i-1]; + } + } + + SDL_SetGammaRamp(table[0], table[1], table[2]); + +// g = Cvar_Get("r_gamma", "1.0", 0)->value; +// SDL_SetGamma(g, g, g); +} + +/* +** GLimp_Shutdown +** +** This routine does all OS specific shutdown procedures for the OpenGL +** subsystem. Under OpenGL this means NULLing out the current DC and +** HGLRC, deleting the rendering context, and releasing the DC acquired +** for the window. The state structure is also nulled out. +** +*/ +void GLimp_Shutdown( void ) +{ + IN_Shutdown(); + screen = NULL; + + memset( &glConfig, 0, sizeof( glConfig ) ); + memset( &glState, 0, sizeof( glState ) ); + + QGL_Shutdown(); +} + +/* +** GLimp_LogComment +*/ +void GLimp_LogComment( char *comment ) +{ + if ( glw_state.log_fp ) + { + fprintf( glw_state.log_fp, "%s", comment ); + } +} + +/* +** GLW_StartDriverAndSetMode +*/ +// bk001204 - prototype needed +static int GLW_SetMode( const char *drivername, int mode, qboolean fullscreen ); +static qboolean GLW_StartDriverAndSetMode( const char *drivername, + int mode, + qboolean fullscreen ) +{ + rserr_t err; + + if (GLimp_sdl_init_video() == qfalse) + return qfalse; + + // don't ever bother going into fullscreen with a voodoo card +#if 1 // JDC: I reenabled this + if ( Q_stristr( drivername, "Voodoo" ) ) + { + ri.Cvar_Set( "r_fullscreen", "0" ); + r_fullscreen->modified = qfalse; + fullscreen = qfalse; + } +#endif + + if (fullscreen && in_nograb->value) + { + ri.Printf( PRINT_ALL, "Fullscreen not allowed with in_nograb 1\n"); + ri.Cvar_Set( "r_fullscreen", "0" ); + r_fullscreen->modified = qfalse; + fullscreen = qfalse; + } + + err = GLW_SetMode( drivername, mode, fullscreen ); + + switch ( err ) + { + case RSERR_INVALID_FULLSCREEN: + ri.Printf( PRINT_ALL, "...WARNING: fullscreen unavailable in this mode\n" ); + return qfalse; + case RSERR_INVALID_MODE: + ri.Printf( PRINT_ALL, "...WARNING: could not set the given mode (%d)\n", mode ); + return qfalse; + default: + break; + } + return qtrue; +} + +/* +** GLW_SetMode +*/ +static int GLW_SetMode( const char *drivername, int mode, qboolean fullscreen ) +{ + const char* glstring; // bk001130 - from cvs1.17 (mkv) + int sdlcolorbits; + int colorbits, depthbits, stencilbits; + int tcolorbits, tdepthbits, tstencilbits; + int i = 0; + SDL_Surface *vidscreen = NULL; + + ri.Printf( PRINT_ALL, "Initializing OpenGL display\n"); + + ri.Printf (PRINT_ALL, "...setting mode %d:", mode ); + + if ( !R_GetModeInfo( &glConfig.vidWidth, &glConfig.vidHeight, &glConfig.windowAspect, mode ) ) + { + ri.Printf( PRINT_ALL, " invalid mode\n" ); + return RSERR_INVALID_MODE; + } + ri.Printf( PRINT_ALL, " %d %d\n", glConfig.vidWidth, glConfig.vidHeight); + + Uint32 flags = SDL_OPENGL; + if (fullscreen) + { + flags |= SDL_FULLSCREEN; + glConfig.isFullscreen = qtrue; + } + else + glConfig.isFullscreen = qfalse; + + if (!r_colorbits->value) + colorbits = 24; + else + colorbits = r_colorbits->value; + + if ( !Q_stricmp( r_glDriver->string, _3DFX_DRIVER_NAME ) ) + colorbits = 16; + + if (!r_depthbits->value) + depthbits = 24; + else + depthbits = r_depthbits->value; + stencilbits = r_stencilbits->value; + + for (i = 0; i < 16; i++) + { + // 0 - default + // 1 - minus colorbits + // 2 - minus depthbits + // 3 - minus stencil + if ((i % 4) == 0 && i) + { + // one pass, reduce + switch (i / 4) + { + case 2 : + if (colorbits == 24) + colorbits = 16; + break; + case 1 : + if (depthbits == 24) + depthbits = 16; + else if (depthbits == 16) + depthbits = 8; + case 3 : + if (stencilbits == 24) + stencilbits = 16; + else if (stencilbits == 16) + stencilbits = 8; + } + } + + tcolorbits = colorbits; + tdepthbits = depthbits; + tstencilbits = stencilbits; + + if ((i % 4) == 3) + { // reduce colorbits + if (tcolorbits == 24) + tcolorbits = 16; + } + + if ((i % 4) == 2) + { // reduce depthbits + if (tdepthbits == 24) + tdepthbits = 16; + else if (tdepthbits == 16) + tdepthbits = 8; + } + + if ((i % 4) == 1) + { // reduce stencilbits + if (tstencilbits == 24) + tstencilbits = 16; + else if (tstencilbits == 16) + tstencilbits = 8; + else + tstencilbits = 0; + } + + sdlcolorbits = 4; + if (tcolorbits == 24) + sdlcolorbits = 8; + + SDL_GL_SetAttribute( SDL_GL_RED_SIZE, sdlcolorbits ); + SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, sdlcolorbits ); + SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, sdlcolorbits ); + SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, tdepthbits ); + SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, tstencilbits ); + SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 ); + +#if SDL_VERSION_ATLEAST( 1, 2, 10 ) + if( SDL_GL_SetAttribute( SDL_GL_SWAP_CONTROL, r_swapInterval->integer ) ) + ri.Printf( PRINT_ALL, "r_swapInterval requires libSDL >= 1.2.10\n" ); +#else + #warning libSDL >= 1.2.10 required for r_swapInterval support +#endif // SDL_GL_SWAP_CONTROL + + SDL_WM_SetCaption(CLIENT_WINDOW_TITLE, CLIENT_WINDOW_ICON); + SDL_ShowCursor(0); + SDL_EnableUNICODE(1); + SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL); + sdlrepeatenabled = qtrue; + + if (!(vidscreen = SDL_SetVideoMode(glConfig.vidWidth, glConfig.vidHeight, colorbits, flags))) + { + fprintf(stderr, "SDL_SetVideoMode failed: %s\n", SDL_GetError()); + continue; + } + + opengl_context = GLimp_GetCurrentContext(); + + ri.Printf( PRINT_ALL, "Using %d/%d/%d Color bits, %d depth, %d stencil display.\n", + sdlcolorbits, sdlcolorbits, sdlcolorbits, + tdepthbits, tstencilbits); + + glConfig.colorBits = tcolorbits; + glConfig.depthBits = tdepthbits; + glConfig.stencilBits = tstencilbits; + break; + } + + if (!vidscreen) + { + ri.Printf( PRINT_ALL, "Couldn't get a visual\n" ); + return RSERR_INVALID_MODE; + } + + screen = vidscreen; + + // bk001130 - from cvs1.17 (mkv) + glstring = (char *) qglGetString (GL_RENDERER); + ri.Printf( PRINT_ALL, "GL_RENDERER: %s\n", glstring ); + + // bk010122 - new software token (Indirect) + if ( !Q_stricmp( glstring, "Mesa X11") + || !Q_stricmp( glstring, "Mesa GLX Indirect") ) + { + if ( !r_allowSoftwareGL->integer ) + { + ri.Printf( PRINT_ALL, "\n\n***********************************************************\n" ); + ri.Printf( PRINT_ALL, " You are using software Mesa (no hardware acceleration)! \n" ); + ri.Printf( PRINT_ALL, " Driver DLL used: %s\n", drivername ); + ri.Printf( PRINT_ALL, " If this is intentional, add\n" ); + ri.Printf( PRINT_ALL, " \"+set r_allowSoftwareGL 1\"\n" ); + ri.Printf( PRINT_ALL, " to the command line when starting the game.\n" ); + ri.Printf( PRINT_ALL, "***********************************************************\n"); + GLimp_Shutdown( ); + return RSERR_INVALID_MODE; + } else + { + ri.Printf( PRINT_ALL, "...using software Mesa (r_allowSoftwareGL==1).\n" ); + } + } + + return RSERR_OK; +} + +/* +** GLW_InitExtensions +*/ +static void GLW_InitExtensions( void ) +{ + if ( !r_allowExtensions->integer ) + { + ri.Printf( PRINT_ALL, "*** IGNORING OPENGL EXTENSIONS ***\n" ); + return; + } + + ri.Printf( PRINT_ALL, "Initializing OpenGL extensions\n" ); + + // GL_S3_s3tc + if ( Q_stristr( glConfig.extensions_string, "GL_S3_s3tc" ) ) + { + if ( r_ext_compressed_textures->value ) + { + glConfig.textureCompression = TC_S3TC; + ri.Printf( PRINT_ALL, "...using GL_S3_s3tc\n" ); + } else + { + glConfig.textureCompression = TC_NONE; + ri.Printf( PRINT_ALL, "...ignoring GL_S3_s3tc\n" ); + } + } else + { + glConfig.textureCompression = TC_NONE; + ri.Printf( PRINT_ALL, "...GL_S3_s3tc not found\n" ); + } + + // GL_EXT_texture_env_add + glConfig.textureEnvAddAvailable = qfalse; + if ( Q_stristr( glConfig.extensions_string, "EXT_texture_env_add" ) ) + { + if ( r_ext_texture_env_add->integer ) + { + glConfig.textureEnvAddAvailable = qtrue; + ri.Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" ); + } else + { + glConfig.textureEnvAddAvailable = qfalse; + ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_env_add\n" ); + } + } else + { + ri.Printf( PRINT_ALL, "...GL_EXT_texture_env_add not found\n" ); + } + + // GL_ARB_multitexture + qglMultiTexCoord2fARB = NULL; + qglActiveTextureARB = NULL; + qglClientActiveTextureARB = NULL; + if ( Q_stristr( glConfig.extensions_string, "GL_ARB_multitexture" ) ) + { + if ( r_ext_multitexture->value ) + { + qglMultiTexCoord2fARB = ( PFNGLMULTITEXCOORD2FARBPROC ) SDL_GL_GetProcAddress( "glMultiTexCoord2fARB" ); + qglActiveTextureARB = ( PFNGLACTIVETEXTUREARBPROC ) SDL_GL_GetProcAddress( "glActiveTextureARB" ); + qglClientActiveTextureARB = ( PFNGLCLIENTACTIVETEXTUREARBPROC ) SDL_GL_GetProcAddress( "glClientActiveTextureARB" ); + + if ( qglActiveTextureARB ) + { + GLint glint = 0; + qglGetIntegerv( GL_MAX_ACTIVE_TEXTURES_ARB, &glint ); + glConfig.maxActiveTextures = (int) glint; + if ( glConfig.maxActiveTextures > 1 ) + { + ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" ); + } else + { + qglMultiTexCoord2fARB = NULL; + qglActiveTextureARB = NULL; + qglClientActiveTextureARB = NULL; + ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" ); + } + } + } else + { + ri.Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" ); + } + } else + { + ri.Printf( PRINT_ALL, "...GL_ARB_multitexture not found\n" ); + } + + // GL_EXT_compiled_vertex_array + if ( Q_stristr( glConfig.extensions_string, "GL_EXT_compiled_vertex_array" ) ) + { + if ( r_ext_compiled_vertex_array->value ) + { + ri.Printf( PRINT_ALL, "...using GL_EXT_compiled_vertex_array\n" ); + qglLockArraysEXT = ( void ( APIENTRY * )( GLint, GLint ) ) SDL_GL_GetProcAddress( "glLockArraysEXT" ); + qglUnlockArraysEXT = ( void ( APIENTRY * )( void ) ) SDL_GL_GetProcAddress( "glUnlockArraysEXT" ); + if (!qglLockArraysEXT || !qglUnlockArraysEXT) + { + ri.Error (ERR_FATAL, "bad getprocaddress"); + } + } else + { + ri.Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" ); + } + } else + { + ri.Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" ); + } + + glConfig.textureFilterAnisotropic = qfalse; + if ( strstr( glConfig.extensions_string, "GL_EXT_texture_filter_anisotropic" ) ) + { + if ( r_ext_texture_filter_anisotropic->integer ) { + qglGetIntegerv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glConfig.maxAnisotropy ); + if ( glConfig.maxAnisotropy <= 0 ) { + ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not properly supported!\n" ); + glConfig.maxAnisotropy = 0; + } + else + { + ri.Printf( PRINT_ALL, "...using GL_EXT_texture_filter_anisotropic (max: %i)\n", glConfig.maxAnisotropy ); + glConfig.textureFilterAnisotropic = qtrue; + } + } + else + { + ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_filter_anisotropic\n" ); + } + } + else + { + ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not found\n" ); + } +} + +static void GLW_InitGamma( void ) +{ + glConfig.deviceSupportsGamma = qtrue; +} + +/* +** GLW_LoadOpenGL +** +** GLimp_win.c internal function that that attempts to load and use +** a specific OpenGL DLL. +*/ +static qboolean GLW_LoadOpenGL( const char *name ) +{ + qboolean fullscreen; + + ri.Printf( PRINT_ALL, "...loading %s:\n", name ); + + // disable the 3Dfx splash screen and set gamma + // we do this all the time, but it shouldn't hurt anything + // on non-3Dfx stuff + putenv("FX_GLIDE_NO_SPLASH=0"); + + // Mesa VooDoo hacks + putenv("MESA_GLX_FX=fullscreen\n"); + + // load the QGL layer + if ( QGL_Init( name ) ) + { + fullscreen = r_fullscreen->integer; + + // create the window and set up the context + if ( !GLW_StartDriverAndSetMode( name, r_mode->integer, fullscreen ) ) + { + if (r_mode->integer != 3) + { + if ( !GLW_StartDriverAndSetMode( name, 3, fullscreen ) ) + { + goto fail; + } + } else + goto fail; + } + + return qtrue; + } else + { + ri.Printf( PRINT_ALL, "failed\n" ); + } + fail: + + QGL_Shutdown(); + + return qfalse; +} + + +/* +** GLimp_Init +** +** This routine is responsible for initializing the OS specific portions +** of OpenGL. +*/ +void GLimp_Init( void ) +{ + qboolean attemptedlibGL = qfalse; + qboolean attempted3Dfx = qfalse; + qboolean success = qfalse; + + r_allowSoftwareGL = ri.Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH ); + + r_previousglDriver = ri.Cvar_Get( "r_previousglDriver", "", CVAR_ROM ); + + InitSig(); + + IN_Init(); // rcg08312005 moved into glimp. + + // Hack here so that if the UI + if ( *r_previousglDriver->string ) + { + // The UI changed it on us, hack it back + // This means the renderer can't be changed on the fly + ri.Cvar_Set( "r_glDriver", r_previousglDriver->string ); + } + + // + // load and initialize the specific OpenGL driver + // + if ( !GLW_LoadOpenGL( r_glDriver->string ) ) + { + if ( !Q_stricmp( r_glDriver->string, OPENGL_DRIVER_NAME ) ) + { + attemptedlibGL = qtrue; + } else if ( !Q_stricmp( r_glDriver->string, _3DFX_DRIVER_NAME ) ) + { + attempted3Dfx = qtrue; + } + + #if 0 + // TTimo + // https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=455 + // old legacy load code, was confusing people who had a bad OpenGL setup + if ( !attempted3Dfx && !success ) + { + attempted3Dfx = qtrue; + if ( GLW_LoadOpenGL( _3DFX_DRIVER_NAME ) ) + { + ri.Cvar_Set( "r_glDriver", _3DFX_DRIVER_NAME ); + r_glDriver->modified = qfalse; + success = qtrue; + } + } + #endif + + // try ICD before trying 3Dfx standalone driver + if ( !attemptedlibGL && !success ) + { + attemptedlibGL = qtrue; + if ( GLW_LoadOpenGL( OPENGL_DRIVER_NAME ) ) + { + ri.Cvar_Set( "r_glDriver", OPENGL_DRIVER_NAME ); + r_glDriver->modified = qfalse; + success = qtrue; + } + } + + if (!success) + ri.Error( ERR_FATAL, "GLimp_Init() - could not load OpenGL subsystem\n" ); + + } + + // Save it in case the UI stomps it + ri.Cvar_Set( "r_previousglDriver", r_glDriver->string ); + + // This values force the UI to disable driver selection + glConfig.driverType = GLDRV_ICD; + glConfig.hardwareType = GLHW_GENERIC; + + // get our config strings + Q_strncpyz( glConfig.vendor_string, (char *) qglGetString (GL_VENDOR), sizeof( glConfig.vendor_string ) ); + Q_strncpyz( glConfig.renderer_string, (char *) qglGetString (GL_RENDERER), sizeof( glConfig.renderer_string ) ); + if (*glConfig.renderer_string && glConfig.renderer_string[strlen(glConfig.renderer_string) - 1] == '\n') + glConfig.renderer_string[strlen(glConfig.renderer_string) - 1] = 0; + Q_strncpyz( glConfig.version_string, (char *) qglGetString (GL_VERSION), sizeof( glConfig.version_string ) ); + Q_strncpyz( glConfig.extensions_string, (char *) qglGetString (GL_EXTENSIONS), sizeof( glConfig.extensions_string ) ); + + GL_ResolveHardwareType( ); + + ri.Cvar_Set( "r_lastValidRenderer", glConfig.renderer_string ); + + // initialize extensions + GLW_InitExtensions(); + GLW_InitGamma(); + + InitSig(); // not clear why this is at begin & end of function +} + + +/* +** GLimp_EndFrame +** +** Responsible for doing a swapbuffers and possibly for other stuff +** as yet to be determined. Probably better not to make this a GLimp +** function and instead do a call to GLimp_SwapBuffers. +*/ +void GLimp_EndFrame (void) +{ + // don't flip if drawing to front buffer + if ( Q_stricmp( r_drawBuffer->string, "GL_FRONT" ) != 0 ) + { + SDL_GL_SwapBuffers(); + } + + if( r_fullscreen->modified ) + { + qboolean fullscreen; + qboolean sdlToggled = qfalse; + SDL_Surface *s = SDL_GetVideoSurface( ); + + if( s ) + { + // Find out the current state + if( s->flags & SDL_FULLSCREEN ) + fullscreen = qtrue; + else + fullscreen = qfalse; + + // Is the state we want different from the current state? + if( !!r_fullscreen->integer != fullscreen ) + sdlToggled = SDL_WM_ToggleFullScreen( s ); + else + sdlToggled = qtrue; + } + + // SDL_WM_ToggleFullScreen didn't work, so do it the slow way + if( !sdlToggled ) + Cbuf_AddText( "vid_restart" ); + + r_fullscreen->modified = qfalse; + } + + // check logging + QGL_EnableLogging( (qboolean)r_logFile->integer ); // bk001205 - was ->value +} + + + +#ifdef SMP +/* +=========================================================== + +SMP acceleration + +=========================================================== +*/ + +/* + * I have no idea if this will even work...most platforms don't offer + * thread-safe OpenGL libraries, and it looks like the original Linux + * code counted on each thread claiming the GL context with glXMakeCurrent(), + * which you can't currently do in SDL. We'll just have to hope for the best. + */ + +static SDL_mutex *smpMutex = NULL; +static SDL_cond *renderCommandsEvent = NULL; +static SDL_cond *renderCompletedEvent = NULL; +static void (*glimpRenderThread)( void ) = NULL; +static SDL_Thread *renderThread = NULL; + +static void GLimp_ShutdownRenderThread(void) +{ + if (smpMutex != NULL) + { + SDL_DestroyMutex(smpMutex); + smpMutex = NULL; + } + + if (renderCommandsEvent != NULL) + { + SDL_DestroyCond(renderCommandsEvent); + renderCommandsEvent = NULL; + } + + if (renderCompletedEvent != NULL) + { + SDL_DestroyCond(renderCompletedEvent); + renderCompletedEvent = NULL; + } + + glimpRenderThread = NULL; +} + +static int GLimp_RenderThreadWrapper( void *arg ) +{ + Com_Printf( "Render thread starting\n" ); + + glimpRenderThread(); + + GLimp_SetCurrentContext(NULL); + + Com_Printf( "Render thread terminating\n" ); + + return 0; +} + +qboolean GLimp_SpawnRenderThread( void (*function)( void ) ) +{ + static qboolean warned = qfalse; + if (!warned) + { + Com_Printf("WARNING: You enable r_smp at your own risk!\n"); + warned = qtrue; + } + +#ifndef MACOS_X + return qfalse; /* better safe than sorry for now. */ +#endif + + if (renderThread != NULL) /* hopefully just a zombie at this point... */ + { + Com_Printf("Already a render thread? Trying to clean it up...\n"); + SDL_WaitThread(renderThread, NULL); + renderThread = NULL; + GLimp_ShutdownRenderThread(); + } + + smpMutex = SDL_CreateMutex(); + if (smpMutex == NULL) + { + Com_Printf( "smpMutex creation failed: %s\n", SDL_GetError() ); + GLimp_ShutdownRenderThread(); + return qfalse; + } + + renderCommandsEvent = SDL_CreateCond(); + if (renderCommandsEvent == NULL) + { + Com_Printf( "renderCommandsEvent creation failed: %s\n", SDL_GetError() ); + GLimp_ShutdownRenderThread(); + return qfalse; + } + + renderCompletedEvent = SDL_CreateCond(); + if (renderCompletedEvent == NULL) + { + Com_Printf( "renderCompletedEvent creation failed: %s\n", SDL_GetError() ); + GLimp_ShutdownRenderThread(); + return qfalse; + } + + glimpRenderThread = function; + renderThread = SDL_CreateThread(GLimp_RenderThreadWrapper, NULL); + if ( renderThread == NULL ) { + ri.Printf( PRINT_ALL, "SDL_CreateThread() returned %s", SDL_GetError() ); + GLimp_ShutdownRenderThread(); + return qfalse; + } else { + // !!! FIXME: No detach API available in SDL! + //ret = pthread_detach( renderThread ); + //if ( ret ) { + //ri.Printf( PRINT_ALL, "pthread_detach returned %d: %s", ret, strerror( ret ) ); + //} + } + + return qtrue; +} + +static volatile void *smpData = NULL; +static volatile qboolean smpDataReady; + +void *GLimp_RendererSleep( void ) +{ + void *data = NULL; + + GLimp_SetCurrentContext(NULL); + + SDL_LockMutex(smpMutex); + { + smpData = NULL; + smpDataReady = qfalse; + + // after this, the front end can exit GLimp_FrontEndSleep + SDL_CondSignal(renderCompletedEvent); + + while ( !smpDataReady ) { + SDL_CondWait(renderCommandsEvent, smpMutex); + } + + data = (void *)smpData; + } + SDL_UnlockMutex(smpMutex); + + GLimp_SetCurrentContext(opengl_context); + + return data; +} + +void GLimp_FrontEndSleep( void ) +{ + SDL_LockMutex(smpMutex); + { + while ( smpData ) { + SDL_CondWait(renderCompletedEvent, smpMutex); + } + } + SDL_UnlockMutex(smpMutex); + + GLimp_SetCurrentContext(opengl_context); +} + +void GLimp_WakeRenderer( void *data ) +{ + GLimp_SetCurrentContext(NULL); + + SDL_LockMutex(smpMutex); + { + assert( smpData == NULL ); + smpData = data; + smpDataReady = qtrue; + + // after this, the renderer can continue through GLimp_RendererSleep + SDL_CondSignal(renderCommandsEvent); + } + SDL_UnlockMutex(smpMutex); +} + +#else + +void GLimp_RenderThreadWrapper( void *stub ) {} +qboolean GLimp_SpawnRenderThread( void (*function)( void ) ) { + ri.Printf( PRINT_WARNING, "ERROR: SMP support was disabled at compile time\n"); + return qfalse; +} +void *GLimp_RendererSleep( void ) { + return NULL; +} +void GLimp_FrontEndSleep( void ) {} +void GLimp_WakeRenderer( void *data ) {} + +#endif + +/*****************************************************************************/ +/* MOUSE */ +/*****************************************************************************/ + +void IN_Init(void) { + Com_Printf ("\n------- Input Initialization -------\n"); + // mouse variables + in_mouse = Cvar_Get ("in_mouse", "1", CVAR_ARCHIVE); + in_disablemacosxmouseaccel = Cvar_Get ("in_disablemacosxmouseaccel", "1", CVAR_ARCHIVE); + + // turn on-off sub-frame timing of X events + in_subframe = Cvar_Get ("in_subframe", "1", CVAR_ARCHIVE); + + // developer feature, allows to break without loosing mouse pointer + in_nograb = Cvar_Get ("in_nograb", "0", 0); + + // bk001130 - from cvs.17 (mkv), joystick variables + in_joystick = Cvar_Get ("in_joystick", "0", CVAR_ARCHIVE|CVAR_LATCH); + // bk001130 - changed this to match win32 + in_joystickDebug = Cvar_Get ("in_debugjoystick", "0", CVAR_TEMP); + joy_threshold = Cvar_Get ("joy_threshold", "0.15", CVAR_ARCHIVE); // FIXME: in_joythreshold + +#ifdef MACOS_X + Cvar_Set( "cl_platformSensitivity", "1.0" ); +#else + Cvar_Set( "cl_platformSensitivity", "2.0" ); +#endif + + if (in_mouse->value) + mouse_avail = qtrue; + else + mouse_avail = qfalse; + + IN_StartupJoystick( ); // bk001130 - from cvs1.17 (mkv) + Com_Printf ("------------------------------------\n"); +} + +void IN_Shutdown(void) +{ + IN_DeactivateMouse(); + + mouse_avail = qfalse; + + if (stick) + { + SDL_JoystickClose(stick); + stick = NULL; + } + + SDL_QuitSubSystem(SDL_INIT_JOYSTICK); +} + +void IN_Frame (void) { + + // bk001130 - from cvs 1.17 (mkv) + IN_JoyMove(); // FIXME: disable if on desktop? + + if ( cls.keyCatchers & KEYCATCH_CONSOLE ) + { + // temporarily deactivate if not in the game and + // running on the desktop + // voodoo always counts as full screen + if (Cvar_VariableValue ("r_fullscreen") == 0 + && strcmp( Cvar_VariableString("r_glDriver"), _3DFX_DRIVER_NAME ) ) + { + IN_DeactivateMouse (); + return; + } + } + + IN_ActivateMouse(); +} + +void IN_Activate(void) +{ +} + +// bk001130 - cvs1.17 joystick code (mkv) was here, no linux_joystick.c + +void Sys_SendKeyEvents (void) { + // XEvent event; // bk001204 - unused + + if (!screen) + return; + HandleEvents(); +} + + +// (moved this back in here from linux_joystick.c, so it's all in one place... +// --ryan. + +/* We translate axes movement into keypresses. */ +static int joy_keys[16] = { + K_LEFTARROW, K_RIGHTARROW, + K_UPARROW, K_DOWNARROW, + K_JOY16, K_JOY17, + K_JOY18, K_JOY19, + K_JOY20, K_JOY21, + K_JOY22, K_JOY23, + + K_JOY24, K_JOY25, + K_JOY26, K_JOY27 +}; + +// translate hat events into keypresses +// the 4 highest buttons are used for the first hat ... +static int hat_keys[16] = { + K_JOY29, K_JOY30, + K_JOY31, K_JOY32, + K_JOY25, K_JOY26, + K_JOY27, K_JOY28, + K_JOY21, K_JOY22, + K_JOY23, K_JOY24, + K_JOY17, K_JOY18, + K_JOY19, K_JOY20 +}; + + +// bk001130 - from linux_glimp.c +extern cvar_t * in_joystick; +extern cvar_t * in_joystickDebug; +extern cvar_t * joy_threshold; +cvar_t *in_joystickNo; + +#define ARRAYLEN(x) (sizeof (x) / sizeof (x[0])) +struct +{ + qboolean buttons[16]; // !!! FIXME: these might be too many. + unsigned int oldaxes; + unsigned int oldhats; +} stick_state; + + +/**********************************************/ +/* Joystick routines. */ +/**********************************************/ +// bk001130 - from cvs1.17 (mkv), removed from linux_glimp.c +void IN_StartupJoystick( void ) +{ + int i = 0; + int total = 0; + + if (stick != NULL) + SDL_JoystickClose(stick); + + stick = NULL; + memset(&stick_state, '\0', sizeof (stick_state)); + + if( !in_joystick->integer ) { + Com_Printf( "Joystick is not active.\n" ); + return; + } + + if (!SDL_WasInit(SDL_INIT_JOYSTICK)) + { + Com_Printf("Calling SDL_Init(SDL_INIT_JOYSTICK)...\n"); + if (SDL_Init(SDL_INIT_JOYSTICK) == -1) + { + Com_Printf("SDL_Init(SDL_INIT_JOYSTICK) failed: %s\n", SDL_GetError()); + return; + } + Com_Printf("SDL_Init(SDL_INIT_JOYSTICK) passed.\n"); + } + + total = SDL_NumJoysticks(); + Com_Printf("I see %d possible joysticks\n", total); + for (i = 0; i < total; i++) + Com_Printf("[%d] %s\n", i, SDL_JoystickName(i)); + + in_joystickNo = Cvar_Get( "in_joystickNo", "0", CVAR_ARCHIVE ); + if( in_joystickNo->integer < 0 || in_joystickNo->integer >= total ) + Cvar_Set( "in_joystickNo", "0" ); + + stick = SDL_JoystickOpen( in_joystickNo->integer ); + + if (stick == NULL) { + Com_Printf( "No joystick opened.\n" ); + return; + } + + Com_Printf( "Joystick %d opened\n", in_joystickNo->integer ); + Com_Printf( "Name: %s\n", SDL_JoystickName(in_joystickNo->integer) ); + Com_Printf( "Axes: %d\n", SDL_JoystickNumAxes(stick) ); + Com_Printf( "Hats: %d\n", SDL_JoystickNumHats(stick) ); + Com_Printf( "Buttons: %d\n", SDL_JoystickNumButtons(stick) ); + Com_Printf( "Balls: %d\n", SDL_JoystickNumBalls(stick) ); + + SDL_JoystickEventState(SDL_QUERY); + + /* Our work here is done. */ + return; +} + +void IN_JoyMove( void ) +{ + qboolean joy_pressed[ARRAYLEN(joy_keys)]; + unsigned int axes = 0; + unsigned int hats = 0; + int total = 0; + int i = 0; + + if (!stick) + return; + + SDL_JoystickUpdate(); + + memset(joy_pressed, '\0', sizeof (joy_pressed)); + + // update the ball state. + total = SDL_JoystickNumBalls(stick); + if (total > 0) + { + int balldx = 0; + int balldy = 0; + for (i = 0; i < total; i++) + { + int dx = 0; + int dy = 0; + SDL_JoystickGetBall(stick, i, &dx, &dy); + balldx += dx; + balldy += dy; + } + if (balldx || balldy) + { + // !!! FIXME: is this good for stick balls, or just mice? + // Scale like the mouse input... + if (abs(balldx) > 1) + balldx *= 2; + if (abs(balldy) > 1) + balldy *= 2; + Sys_QueEvent( 0, SE_MOUSE, balldx, balldy, 0, NULL ); + } + } + + // now query the stick buttons... + total = SDL_JoystickNumButtons(stick); + if (total > 0) + { + if (total > ARRAYLEN(stick_state.buttons)) + total = ARRAYLEN(stick_state.buttons); + for (i = 0; i < total; i++) + { + qboolean pressed = (SDL_JoystickGetButton(stick, i) != 0); + if (pressed != stick_state.buttons[i]) + { + Sys_QueEvent( 0, SE_KEY, K_JOY1 + i, pressed, 0, NULL ); + stick_state.buttons[i] = pressed; + } + } + } + + // look at the hats... + total = SDL_JoystickNumHats(stick); + if (total > 0) + { + if (total > 4) total = 4; + for (i = 0; i < total; i++) + { + ((Uint8 *)&hats)[i] = SDL_JoystickGetHat(stick, i); + } + } + + // update hat state + if (hats != stick_state.oldhats) + { + for( i = 0; i < 4; i++ ) { + if( ((Uint8 *)&hats)[i] != ((Uint8 *)&stick_state.oldhats)[i] ) { + // release event + switch( ((Uint8 *)&stick_state.oldhats)[i] ) { + case SDL_HAT_UP: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 0], qfalse, 0, NULL ); + break; + case SDL_HAT_RIGHT: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 1], qfalse, 0, NULL ); + break; + case SDL_HAT_DOWN: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 2], qfalse, 0, NULL ); + break; + case SDL_HAT_LEFT: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 3], qfalse, 0, NULL ); + break; + case SDL_HAT_RIGHTUP: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 0], qfalse, 0, NULL ); + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 1], qfalse, 0, NULL ); + break; + case SDL_HAT_RIGHTDOWN: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 2], qfalse, 0, NULL ); + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 1], qfalse, 0, NULL ); + break; + case SDL_HAT_LEFTUP: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 0], qfalse, 0, NULL ); + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 3], qfalse, 0, NULL ); + break; + case SDL_HAT_LEFTDOWN: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 2], qfalse, 0, NULL ); + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 3], qfalse, 0, NULL ); + break; + default: + break; + } + // press event + switch( ((Uint8 *)&hats)[i] ) { + case SDL_HAT_UP: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 0], qtrue, 0, NULL ); + break; + case SDL_HAT_RIGHT: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 1], qtrue, 0, NULL ); + break; + case SDL_HAT_DOWN: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 2], qtrue, 0, NULL ); + break; + case SDL_HAT_LEFT: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 3], qtrue, 0, NULL ); + break; + case SDL_HAT_RIGHTUP: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 0], qtrue, 0, NULL ); + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 1], qtrue, 0, NULL ); + break; + case SDL_HAT_RIGHTDOWN: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 2], qtrue, 0, NULL ); + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 1], qtrue, 0, NULL ); + break; + case SDL_HAT_LEFTUP: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 0], qtrue, 0, NULL ); + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 3], qtrue, 0, NULL ); + break; + case SDL_HAT_LEFTDOWN: + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 2], qtrue, 0, NULL ); + Sys_QueEvent( 0, SE_KEY, hat_keys[4*i + 3], qtrue, 0, NULL ); + break; + default: + break; + } + } + } + } + + // save hat state + stick_state.oldhats = hats; + + // finally, look at the axes... + total = SDL_JoystickNumAxes(stick); + if (total > 0) + { + if (total > 16) total = 16; + for (i = 0; i < total; i++) + { + Sint16 axis = SDL_JoystickGetAxis(stick, i); + float f = ( (float) axis ) / 32767.0f; + if( f < -joy_threshold->value ) { + axes |= ( 1 << ( i * 2 ) ); + } else if( f > joy_threshold->value ) { + axes |= ( 1 << ( ( i * 2 ) + 1 ) ); + } + } + } + + /* Time to update axes state based on old vs. new. */ + if (axes != stick_state.oldaxes) + { + for( i = 0; i < 16; i++ ) { + if( ( axes & ( 1 << i ) ) && !( stick_state.oldaxes & ( 1 << i ) ) ) { + Sys_QueEvent( 0, SE_KEY, joy_keys[i], qtrue, 0, NULL ); + } + + if( !( axes & ( 1 << i ) ) && ( stick_state.oldaxes & ( 1 << i ) ) ) { + Sys_QueEvent( 0, SE_KEY, joy_keys[i], qfalse, 0, NULL ); + } + } + } + + /* Save for future generations. */ + stick_state.oldaxes = axes; +} + +#endif // USE_SDL_VIDEO + +// end sdl_glimp.c ... + |