fteqw/engine/gl/gl_vidlinuxglx.c

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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#ifdef __linux__
#include <sys/vt.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <signal.h>
#include <dlfcn.h>
#include "quakedef.h"
#include "glquake.h"
#include <GL/glx.h>
#ifdef USE_EGL
#include "gl_videgl.h"
#endif
#include <X11/keysym.h>
#include <X11/cursorfont.h>
#ifdef USE_DGA
#include <X11/extensions/Xxf86dga.h>
#endif
#ifdef __linux__
#define WITH_VMODE //undefine this if the following include fails.
#endif
#ifdef WITH_VMODE
#include <X11/extensions/xf86vmode.h>
#endif
#define WARP_WIDTH 320
#define WARP_HEIGHT 200
static Display *vid_dpy = NULL;
static Window vid_window;
static GLXContext ctx = NULL;
int scrnum;
static qboolean vidglx_fullscreen;
static float old_windowed_mouse = 0;
#ifdef USE_DGA
static int dgamouse = 0;
#endif
#define KEY_MASK (KeyPressMask | KeyReleaseMask)
#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \
PointerMotionMask)
#define X_MASK (KEY_MASK | MOUSE_MASK | ResizeRequest | StructureNotifyMask | FocusChangeMask | VisibilityChangeMask)
#ifdef WITH_VMODE
static int vidmode_ext = 0;
static XF86VidModeModeInfo **vidmodes;
static int num_vidmodes;
static qboolean vidmode_active = false;
static int vidmode_usemode = -1; //so that it can be reset if they switch away.
unsigned short originalramps[3][256];
qboolean originalapplied; //states that the origionalramps arrays are valid, and contain stuff that we should revert to on close
#endif
extern cvar_t _windowed_mouse;
cvar_t m_filter = {"m_filter", "0"};
cvar_t m_accel = {"m_accel", "0"};
static float mouse_x, mouse_y;
static float old_mouse_x, old_mouse_y;
/*-----------------------------------------------------------------------*/
float gldepthmin, gldepthmax;
const char *gl_vendor;
const char *gl_renderer;
const char *gl_version;
const char *gl_extensions;
qboolean is8bit = false;
qboolean isPermedia = false;
qboolean mouseactive = false;
qboolean ActiveApp = false;
int gl_canstencil;
/*-----------------------------------------------------------------------*/
static void *gllibrary;
XVisualInfo* (*qglXChooseVisual) (Display *dpy, int screen, int *attribList);
void (*qglXSwapBuffers) (Display *dpy, GLXDrawable drawable);
Bool (*qglXMakeCurrent) (Display *dpy, GLXDrawable drawable, GLXContext ctx);
GLXContext (*qglXCreateContext) (Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct);
void (*qglXDestroyContext) (Display *dpy, GLXContext ctx);
void *(*qglXGetProcAddress) (char *name);
void GLX_CloseLibrary(void)
{
dlclose(gllibrary);
gllibrary = NULL;
}
qboolean GLX_InitLibrary(char *driver)
{
if (driver && *driver)
gllibrary = dlopen(driver, RTLD_LAZY);
else
gllibrary = NULL;
if (!gllibrary) //I hate this.
gllibrary = dlopen("libGL.so.1", RTLD_LAZY);
if (!gllibrary)
gllibrary = dlopen("libGL.so", RTLD_LAZY);
if (!gllibrary)
return false;
qglXChooseVisual = dlsym(gllibrary, "glXChooseVisual");
qglXSwapBuffers = dlsym(gllibrary, "glXSwapBuffers");
qglXMakeCurrent = dlsym(gllibrary, "glXMakeCurrent");
qglXCreateContext = dlsym(gllibrary, "glXCreateContext");
qglXDestroyContext = dlsym(gllibrary, "glXDestroyContext");
qglXGetProcAddress = dlsym(gllibrary, "glXGetProcAddress");
if (!qglXGetProcAddress)
qglXGetProcAddress = dlsym(gllibrary, "glXGetProcAddressARB");
if (!qglXSwapBuffers && !qglXDestroyContext && !qglXCreateContext && !qglXMakeCurrent && !qglXChooseVisual)
return false;
return true;
}
void *GLX_GetSymbol(char *name)
{
void *symb;
if (qglXGetProcAddress)
symb = qglXGetProcAddress(name);
else
symb = NULL;
if (!symb)
symb = dlsym(gllibrary, name);
return symb;
}
static int XLateKey(XKeyEvent *ev, unsigned int *unicode)
{
int key;
char buf[64];
KeySym keysym, shifted;
key = 0;
keysym = XLookupKeysym(ev, 0);
XLookupString(ev, buf, sizeof buf, &shifted, 0);
if (unicode)
*unicode = buf[0];
switch(keysym)
{
case XK_KP_Page_Up:
case XK_Page_Up: key = K_PGUP; break;
case XK_KP_Page_Down:
case XK_Page_Down: key = K_PGDN; break;
case XK_KP_Home:
case XK_Home: key = K_HOME; break;
case XK_KP_End:
case XK_End: key = K_END; break;
case XK_KP_Left:
case XK_Left: key = K_LEFTARROW; break;
case XK_KP_Right:
case XK_Right: key = K_RIGHTARROW; break;
case XK_KP_Down:
case XK_Down: key = K_DOWNARROW; break;
case XK_KP_Up:
case XK_Up: key = K_UPARROW; break;
case XK_Escape: key = K_ESCAPE; break;
case XK_KP_Enter:
case XK_Return: key = K_ENTER; break;
case XK_Tab: key = K_TAB; break;
case XK_F1: key = K_F1; break;
case XK_F2: key = K_F2; break;
case XK_F3: key = K_F3; break;
case XK_F4: key = K_F4; break;
case XK_F5: key = K_F5; break;
case XK_F6: key = K_F6; break;
case XK_F7: key = K_F7; break;
case XK_F8: key = K_F8; break;
case XK_F9: key = K_F9; break;
case XK_F10: key = K_F10; break;
case XK_F11: key = K_F11; break;
case XK_F12: key = K_F12; break;
case XK_BackSpace: key = K_BACKSPACE; break;
case XK_KP_Delete:
case XK_Delete: key = K_DEL; break;
case XK_Pause: key = K_PAUSE; break;
case XK_Shift_L:
case XK_Shift_R: key = K_SHIFT; break;
case XK_Execute:
case XK_Control_L:
case XK_Control_R: key = K_CTRL; break;
case XK_Alt_L:
case XK_Meta_L:
case XK_Alt_R:
case XK_Meta_R: key = K_ALT; break;
case XK_KP_Begin: key = '5'; break;
case XK_KP_Insert:
case XK_Insert:key = K_INS; break;
case XK_KP_Multiply: key = '*'; break;
case XK_KP_Add: key = '+'; break;
case XK_KP_Subtract: key = '-'; break;
case XK_KP_Divide: key = '/'; break;
#if 0
case 0x021: key = '1';break;/* [!] */
case 0x040: key = '2';break;/* [@] */
case 0x023: key = '3';break;/* [#] */
case 0x024: key = '4';break;/* [$] */
case 0x025: key = '5';break;/* [%] */
case 0x05e: key = '6';break;/* [^] */
case 0x026: key = '7';break;/* [&] */
case 0x02a: key = '8';break;/* [*] */
case 0x028: key = '9';;break;/* [(] */
case 0x029: key = '0';break;/* [)] */
case 0x05f: key = '-';break;/* [_] */
case 0x02b: key = '=';break;/* [+] */
case 0x07c: key = '\'';break;/* [|] */
case 0x07d: key = '[';break;/* [}] */
case 0x07b: key = ']';break;/* [{] */
case 0x022: key = '\'';break;/* ["] */
case 0x03a: key = ';';break;/* [:] */
case 0x03f: key = '/';break;/* [?] */
case 0x03e: key = '.';break;/* [>] */
case 0x03c: key = ',';break;/* [<] */
#endif
default:
key = *(unsigned char*)buf;
if (key >= 'A' && key <= 'Z')
key = key - 'A' + 'a';
break;
}
return key;
}
static void install_grabs(void)
{
XGrabPointer(vid_dpy, vid_window,
True,
0,
GrabModeAsync, GrabModeAsync,
vid_window,
None,
CurrentTime);
#ifdef USE_DGA
// TODO: make this into a cvar, like "in_dgamouse", instead of parameters
// TODO: inform the user when DGA is enabled
if (!COM_CheckParm("-nodga") && !COM_CheckParm("-nomdga"))
{
XF86DGADirectVideo(vid_dpy, DefaultScreen(vid_dpy), XF86DGADirectMouse);
dgamouse = 1;
}
else
#endif
{
XWarpPointer(vid_dpy, None, vid_window,
0, 0, 0, 0,
vid.width / 2, vid.height / 2);
}
// XSync(vid_dpy, True);
}
static void uninstall_grabs(void)
{
#ifdef USE_DGA
if (dgamouse)
{
XF86DGADirectVideo(vid_dpy, DefaultScreen(vid_dpy), 0);
dgamouse = 0;
}
#endif
if (vid_dpy)
XUngrabPointer(vid_dpy, CurrentTime);
// XSync(vid_dpy, True);
}
void ClearAllStates (void)
{
int i;
// send an up event for each key, to make sure the server clears them all
for (i=0 ; i<256 ; i++)
{
Key_Event (0, i, 0, false);
}
Key_ClearStates ();
// IN_ClearStates ();
}
static void GetEvent(void)
{
XEvent event;
int b;
unsigned int uc;
qboolean wantwindowed;
qboolean x11violations = true;
if (!vid_dpy)
return;
XNextEvent(vid_dpy, &event);
switch (event.type) {
case ResizeRequest:
vid.pixelwidth = event.xresizerequest.width;
vid.pixelheight = event.xresizerequest.height;
break;
case ConfigureNotify:
vid.pixelwidth = event.xconfigurerequest.width;
vid.pixelheight = event.xconfigurerequest.height;
break;
case KeyPress:
b = XLateKey(&event.xkey, &uc);
Key_Event(0, b, uc, true);
break;
case KeyRelease:
b = XLateKey(&event.xkey, NULL);
Key_Event(0, b, 0, false);
break;
case MotionNotify:
#ifdef USE_DGA
if (dgamouse && old_windowed_mouse)
{
mouse_x += event.xmotion.x_root;
mouse_y += event.xmotion.y_root;
}
else
#endif
{
if (old_windowed_mouse)
{
mouse_x = (float) ((int)event.xmotion.x - (int)(vid.width/2));
mouse_y = (float) ((int)event.xmotion.y - (int)(vid.height/2));
/* move the mouse to the window center again */
XSelectInput(vid_dpy, vid_window, X_MASK & ~PointerMotionMask);
XWarpPointer(vid_dpy, None, vid_window, 0, 0, 0, 0,
(vid.width/2), (vid.height/2));
XSelectInput(vid_dpy, vid_window, X_MASK);
}
}
break;
case ButtonPress:
b=-1;
if (event.xbutton.button == 1)
b = K_MOUSE1;
else if (event.xbutton.button == 2)
b = K_MOUSE3;
else if (event.xbutton.button == 3)
b = K_MOUSE2;
//note, the x11 protocol does not support a mousewheel
//we only support it because we follow convention. the actual protocol specifies 4+5 as regular buttons
else if (event.xbutton.button == 4)
b = x11violations?K_MWHEELUP:K_MOUSE4;
else if (event.xbutton.button == 5)
b = x11violations?K_MWHEELDOWN:K_MOUSE5;
//note, the x11 protocol does not support more than 5 mouse buttons
//which is a bit of a shame, but hey.
else if (event.xbutton.button == 6)
b = x11violations?K_MOUSE4:-1;
else if (event.xbutton.button == 7)
b = x11violations?K_MOUSE5:-1;
else if (event.xbutton.button == 8)
b = x11violations?K_MOUSE6:-1;
else if (event.xbutton.button == 9)
b = x11violations?K_MOUSE7:-1;
else if (event.xbutton.button == 10)
b = x11violations?K_MOUSE8:-1;
else if (event.xbutton.button == 11)
b = x11violations?K_MOUSE9:-1;
else if (event.xbutton.button == 12)
b = x11violations?K_MOUSE10:-1;
if (b>=0)
Key_Event(0, b, 0, true);
#ifdef WITH_VMODE
if (vidmode_ext && vidmode_usemode>=0)
if (!ActiveApp)
{ //KDE doesn't seem to like us, in that you can't alt-tab back or click to activate.
//This allows us to steal input focus back from the window manager
XSetInputFocus(vid_dpy, vid_window, RevertToParent, CurrentTime);
}
#endif
break;
case ButtonRelease:
b=-1;
if (event.xbutton.button == 1)
b = K_MOUSE1;
else if (event.xbutton.button == 2)
b = K_MOUSE3;
else if (event.xbutton.button == 3)
b = K_MOUSE2;
//note, the x11 protocol does not support a mousewheel
//we only support it because we follow convention. the actual protocol specifies 4+5 as regular buttons
else if (event.xbutton.button == 4)
b = x11violations?K_MWHEELUP:K_MOUSE4;
else if (event.xbutton.button == 5)
b = x11violations?K_MWHEELDOWN:K_MOUSE5;
//note, the x11 protocol does not support more than 5 mouse buttons
//which is a bit of a shame, but hey.
else if (event.xbutton.button == 6)
b = x11violations?K_MOUSE4:-1;
else if (event.xbutton.button == 7)
b = x11violations?K_MOUSE5:-1;
else if (event.xbutton.button == 8)
b = x11violations?K_MOUSE6:-1;
else if (event.xbutton.button == 9)
b = x11violations?K_MOUSE7:-1;
else if (event.xbutton.button == 10)
b = x11violations?K_MOUSE8:-1;
else if (event.xbutton.button == 11)
b = x11violations?K_MOUSE9:-1;
else if (event.xbutton.button == 12)
b = x11violations?K_MOUSE10:-1;
if (b>=0)
Key_Event(0, b, 0, false);
break;
case FocusIn:
ActiveApp = true;
#ifdef WITH_VMODE
if (vidmode_ext && vidmode_usemode>=0)
{
if (!vidmode_active)
{
// change to the mode
XF86VidModeSwitchToMode(vid_dpy, scrnum, vidmodes[vidmode_usemode]);
vidmode_active = true;
// Move the viewport to top left
}
XF86VidModeSetViewPort(vid_dpy, scrnum, 0, 0);
}
#endif
Cvar_ForceCallback(&v_gamma);
break;
case FocusOut:
#ifdef WITH_VMODE
if (originalapplied)
XF86VidModeSetGammaRamp(vid_dpy, scrnum, 256, originalramps[0], originalramps[1], originalramps[2]);
if (!COM_CheckParm("-stayactive"))
{ //a parameter that leaves the program fullscreen if you taskswitch.
//sounds pointless, works great with two moniters. :D
if (originalapplied)
XF86VidModeSetGammaRamp(vid_dpy, scrnum, 256, originalramps[0], originalramps[1], originalramps[2]);
if (vidmode_active)
{
XF86VidModeSwitchToMode(vid_dpy, scrnum, vidmodes[0]);
vidmode_active = false;
}
}
#endif
ActiveApp = false;
ClearAllStates();
break;
case ClientMessage:
{
char *name = XGetAtomName(vid_dpy, event.xclient.message_type);
if (!strcmp(name, "WM_PROTOCOLS") && event.xclient.format == 32)
{
char *protname = XGetAtomName(vid_dpy, event.xclient.data.l[0]);
if (!strcmp(protname, "WM_DELETE_WINDOW"))
Cmd_ExecuteString("menu_quit", RESTRICT_LOCAL);
else
Con_Printf("Got message %s\n", protname);
XFree(protname);
}
else
Con_Printf("Got message %s\n", name);
XFree(name);
}
break;
default:
// Con_Printf("%x\n", event.type);
break;
}
wantwindowed = !!_windowed_mouse.value;
if (!ActiveApp)
wantwindowed = false;
if (key_dest == key_console && !vidglx_fullscreen)
wantwindowed = false;
if (old_windowed_mouse != wantwindowed)
{
old_windowed_mouse = wantwindowed;
if (!wantwindowed)
{
Con_DPrintf("uninstall grabs\n");
/* ungrab the pointer */
uninstall_grabs();
}
else
{
Con_DPrintf("install grabs\n");
/* grab the pointer */
install_grabs();
}
}
}
void GLVID_Shutdown(void)
{
#ifdef USE_EGL
EGL_Shutdown();
#else
printf("GLVID_Shutdown\n");
if (!vid_dpy)
return;
XUngrabKeyboard(vid_dpy, CurrentTime);
if (old_windowed_mouse)
uninstall_grabs();
if (ctx)
{
qglXDestroyContext(vid_dpy, ctx);
ctx = NULL;
}
#ifdef WITH_VMODE
if (originalapplied)
XF86VidModeSetGammaRamp(vid_dpy, scrnum, 256, originalramps[0], originalramps[1], originalramps[2]);
#endif
if (vid_window)
XDestroyWindow(vid_dpy, vid_window);
#ifdef WITH_VMODE
if (vid_dpy) {
if (vidmode_active)
XF86VidModeSwitchToMode(vid_dpy, scrnum, vidmodes[0]);
vidmode_active = false;
if (vidmodes)
XFree(vidmodes);
vidmodes = NULL;
num_vidmodes = 0;
}
#endif
XCloseDisplay(vid_dpy);
vid_dpy = NULL;
vid_window = (Window)NULL;
#endif
}
void GLVID_DeInit(void) //FIXME:....
{
GLVID_Shutdown();
}
void signal_handler(int sig)
{
printf("Received signal %d, exiting...\n", sig);
Sys_Quit();
exit(0);
}
void InitSig(void)
{
signal(SIGHUP, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGILL, signal_handler);
signal(SIGTRAP, signal_handler);
#ifndef __CYGWIN__
signal(SIGIOT, signal_handler);
#endif
signal(SIGBUS, signal_handler);
signal(SIGFPE, signal_handler);
signal(SIGSEGV, signal_handler);
signal(SIGTERM, signal_handler);
}
static Cursor CreateNullCursor(Display *display, Window root)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor dummycolour;
Cursor cursor;
cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
xgc.function = GXclear;
gc = XCreateGC(display, cursormask, GCFunction, &xgc);
XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
dummycolour.pixel = 0;
dummycolour.red = 0;
dummycolour.flags = 04;
cursor = XCreatePixmapCursor(display, cursormask, cursormask,
&dummycolour,&dummycolour, 0,0);
XFreePixmap(display,cursormask);
XFreeGC(display,gc);
return cursor;
}
void GLVID_ShiftPalette (unsigned char *palette)
{
#ifdef WITH_VMODE
extern qboolean gammaworks;
extern cvar_t vid_hardwaregamma;
extern unsigned short ramps[3][256];
// VID_SetPalette (palette);
if (originalapplied && ActiveApp && vid_hardwaregamma.value) //this is needed because ATI drivers don't work properly (or when task-switched out).
{
if (gammaworks)
{ //we have hardware gamma applied - if we're doing a BF, we don't want to reset to the default gamma (yuck)
XF86VidModeSetGammaRamp (vid_dpy, scrnum, 256, ramps[0], ramps[1], ramps[2]);
return;
}
gammaworks = !!XF86VidModeSetGammaRamp (vid_dpy, scrnum, 256, ramps[0], ramps[1], ramps[2]);
}
else
gammaworks = false;
#endif
}
void GLVID_SetPalette (unsigned char *palette)
{
qbyte *pal;
unsigned r,g,b;
unsigned short i;
unsigned *table;
extern qbyte gammatable[256];
//
// 8 8 8 encoding
//
Con_Printf("Converting 8to24\n");
pal = palette;
table = d_8to24rgbtable;
for (i=0 ; i<256 ; i++)
{
r = gammatable[pal[0]];
g = gammatable[pal[1]];
b = gammatable[pal[2]];
pal += 3;
*table++ = BigLong((r<<24)|(g<<16)|(b<<8)|255);
}
d_8to24rgbtable[255] &= BigLong(0xffffff00); // 255 is transparent
}
/*
=================
GL_BeginRendering
=================
*/
void GL_BeginRendering (void)
{
#ifdef USE_EGL
EGL_BeginRendering();
#endif
}
void GL_EndRendering (void)
{
#ifdef USE_EGL
EGL_EndRendering();
#else
//return;
//we don't need the flush, XSawpBuffers does it for us.
//chances are, it's version is more suitable anyway. At least there's the chance that it might be.
qglXSwapBuffers(vid_dpy, vid_window);
#endif
}
qboolean GLVID_Is8bit(void)
{
return is8bit;
}
qboolean GLVID_Init (rendererstate_t *info, unsigned char *palette)
{
int i;
int attrib[] = {
GLX_RGBA,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_DOUBLEBUFFER,
GLX_DEPTH_SIZE, 1,
GLX_STENCIL_SIZE, 8,
None
};
XSetWindowAttributes attr;
unsigned long mask;
Window root;
#ifdef USE_EGL
XVisualInfo vinfodef;
#endif
XVisualInfo *visinfo;
qboolean fullscreen = false;
Atom prots[1];
#ifdef WITH_VMODE
int MajorVersion, MinorVersion;
if (info->fullscreen)
fullscreen = true;
#endif
S_Startup();
#ifdef USE_EGL
if (!EGL_LoadLibrary(info->glrenderer))
{
Con_Printf("couldn't load EGL library\n");
return false;
}
#else
if (!GLX_InitLibrary(info->glrenderer))
{
Con_Printf("Couldn't intialise GLX\nEither your drivers are not installed or you need to specify the library name with the gl_driver cvar\n");
return false;
}
#endif
// interpret command-line params
// set vid parameters
if ((i = COM_CheckParm("-conwidth")) != 0)
vid.width = Q_atoi(com_argv[i+1]);
else
vid.width = 640;
vid.width &= ~7; // make it a multiple of eight
if (vid.width < 320)
vid.width = 320;
// pick a conheight that matches with correct aspect
vid.height = vid.width*3 / 4;
if ((i = COM_CheckParm("-conheight")) != 0)
vid.height = Q_atoi(com_argv[i+1]);
if (vid.height < 200)
vid.height = 200;
if (!vid_dpy)
vid_dpy = XOpenDisplay(NULL);
if (!vid_dpy)
{
Con_Printf(CON_ERROR "Error: couldn't open the X display\n");
return false;
}
scrnum = DefaultScreen(vid_dpy);
root = RootWindow(vid_dpy, scrnum);
#ifdef WITH_VMODE //find out if it's supported on this pc.
MajorVersion = MinorVersion = 0;
if (COM_CheckParm("-novmode") || !XF86VidModeQueryVersion(vid_dpy, &MajorVersion, &MinorVersion))
{
vidmode_ext = 0;
}
else
{
Con_Printf("Using XF86-VidModeExtension Ver. %d.%d\n", MajorVersion, MinorVersion);
vidmode_ext = MajorVersion;
}
#endif
#ifdef WITH_VMODE
vidmode_usemode = -1;
if (vidmode_ext)
{
int best_fit, best_dist, dist, x, y;
XF86VidModeGetAllModeLines(vid_dpy, scrnum, &num_vidmodes, &vidmodes);
// Are we going fullscreen? If so, let's change video mode
if (fullscreen)
{
best_dist = 9999999;
best_fit = -1;
for (i = 0; i < num_vidmodes; i++)
{
if (info->width > vidmodes[i]->hdisplay ||
info->height > vidmodes[i]->vdisplay)
continue;
x = info->width - vidmodes[i]->hdisplay;
y = info->height - vidmodes[i]->vdisplay;
dist = (x * x) + (y * y);
if (dist < best_dist)
{
best_dist = dist;
best_fit = i;
}
}
if (best_fit != -1 && (!best_dist || COM_CheckParm("-fullscreen")))
{
// change to the mode
XF86VidModeSwitchToMode(vid_dpy, scrnum, vidmodes[vidmode_usemode=best_fit]);
vidmode_active = true;
// Move the viewport to top left
XF86VidModeSetViewPort(vid_dpy, scrnum, 0, 0);
}
else
fullscreen = 0;
}
}
#endif
vidglx_fullscreen = fullscreen;
#ifdef USE_EGL
visinfo = &vinfodef;
if (!XMatchVisualInfo(vid_dpy, scrnum, info->bpp, TrueColor, visinfo))
// if (!XMatchVisualInfo(vid_dpy, scrnum, DefaultDepth(vid_dpy, scrnum), TrueColor, &visinfo))
{
Sys_Error("Couldn't choose visual for EGL\n");
}
#else
visinfo = qglXChooseVisual(vid_dpy, scrnum, attrib);
if (!visinfo)
{
Sys_Error("qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
}
#endif
/* window attributes */
attr.background_pixel = 0;
attr.border_pixel = 0;
attr.colormap = XCreateColormap(vid_dpy, root, visinfo->visual, AllocNone);
attr.event_mask = X_MASK;
mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
#ifdef WITH_VMODE //get rid of borders
// fullscreen
if (vidmode_active) {
mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore |
CWEventMask | CWOverrideRedirect;
attr.override_redirect = True;
attr.backing_store = NotUseful;
attr.save_under = False;
}
#endif
vid_window = XCreateWindow(vid_dpy, root, 0, 0, info->width, info->height,
0, visinfo->depth, InputOutput,
visinfo->visual, mask, &attr);
ActiveApp = false;
/*ask the window manager to stop triggering bugs in Xlib*/
prots[0] = XInternAtom(vid_dpy, "WM_DELETE_WINDOW", False);
XSetWMProtocols(vid_dpy, vid_window, prots, sizeof(prots)/sizeof(prots[0]));
/*set caption*/
XStoreName(vid_dpy, vid_window, "FTE QuakeWorld");
/*make it visibl*/
XMapWindow(vid_dpy, vid_window);
/*put it somewhere*/
XMoveWindow(vid_dpy, vid_window, 0, 0);
//XFree(visinfo);
#ifdef WITH_VMODE
if (vidmode_active) {
XRaiseWindow(vid_dpy, vid_window);
XWarpPointer(vid_dpy, None, vid_window, 0, 0, 0, 0, 0, 0);
XFlush(vid_dpy);
// Move the viewport to top left
XF86VidModeSetViewPort(vid_dpy, scrnum, 0, 0);
}
#endif
//hide the cursor.
XDefineCursor(vid_dpy, vid_window, CreateNullCursor(vid_dpy, vid_window));
XFlush(vid_dpy);
#ifndef USE_EGL
#ifdef WITH_VMODE
if (vidmode_ext >= 2)
{
int rampsize = 256;
XF86VidModeGetGammaRampSize(vid_dpy, scrnum, &rampsize);
if (rampsize != 256)
{
originalapplied = false;
Con_Printf("Gamma ramps are not of 256 components (but %i).\n", rampsize);
}
else
originalapplied = XF86VidModeGetGammaRamp(vid_dpy, scrnum, 256, originalramps[0], originalramps[1], originalramps[2]);
}
else
originalapplied = false;
#endif
ctx = qglXCreateContext(vid_dpy, visinfo, NULL, True);
if (!ctx)
{
Con_Printf("Failed to create GLX context.\n");
GLVID_Shutdown();
return false;
}
if (!qglXMakeCurrent(vid_dpy, vid_window, ctx))
{
Con_Printf("glXMakeCurrent failed\n");
GLVID_Shutdown();
return false;
}
GL_Init(&GLX_GetSymbol);
#else
EGL_Init(info, palette, vid_window);
GL_Init(&EGL_Proc);
#endif
GLVID_SetPalette(palette);
GLVID_ShiftPalette(palette);
qglGetIntegerv(GL_STENCIL_BITS, &gl_canstencil);
InitSig(); // trap evil signals
vid.pixelwidth = info->width;
vid.pixelheight = info->height;
if (vid.height > info->height)
vid.height = info->height;
if (vid.width > info->width)
vid.width = info->width;
vid.numpages = 2;
Con_SafePrintf ("Video mode %dx%d initialized.\n", info->width, info->height);
vid.recalc_refdef = 1; // force a surface cache flush
if (Cvar_Get("vidx_grabkeyboard", "0", 0, "Additional video options")->value)
XGrabKeyboard(vid_dpy, vid_window,
False,
GrabModeAsync, GrabModeAsync,
CurrentTime);
else
XSetInputFocus(vid_dpy, vid_window, RevertToParent, CurrentTime);
XRaiseWindow(vid_dpy, vid_window);
return true;
}
void Sys_SendKeyEvents(void)
{
if (vid_dpy && vid_window) {
while (XPending(vid_dpy))
GetEvent();
}
}
void Force_CenterView_f (void)
{
cl.viewangles[0][PITCH] = 0;
}
void IN_ReInit(void)
{
}
void IN_Init(void)
{
IN_ReInit();
}
void IN_Shutdown(void)
{
}
/*
===========
IN_Commands
===========
*/
void IN_Commands (void)
{
}
/*
===========
IN_Move
===========
*/
void IN_MouseMove (float *movements, int pnum)
{
extern int mousecursor_x, mousecursor_y;
extern int mousemove_x, mousemove_y;
float mx, my;
mx = mouse_x;
my = mouse_y;
if (Key_MouseShouldBeFree())
{
mousemove_x += mouse_x;
mousemove_y += mouse_y;
mousecursor_x += mouse_x;
mousecursor_y += mouse_y;
if (mousecursor_y<0)
mousecursor_y=0;
if (mousecursor_x<0)
mousecursor_x=0;
if (mousecursor_x >= vid.width)
mousecursor_x = vid.width - 1;
if (mousecursor_y >= vid.height)
mousecursor_y = vid.height - 1;
mouse_x=mouse_y=0;
#ifdef VM_UI
UI_MousePosition(mousecursor_x, mousecursor_y);
#endif
#ifdef PEXT_CSQC
if (CSQC_MousePosition(mousecursor_x, mousecursor_y))
{
mx = 0;
my = 0;
}
#endif
}
else
{
#ifdef PEXT_CSQC
if (CSQC_MouseMove(mx, my))
{
mx = 0;
my = 0;
}
#endif
}
if (m_filter.value)
{
float fraction = bound(0, m_filter.value, 2) * 0.5;
mouse_x = (mouse_x*(1-fraction) + old_mouse_x*fraction);
mouse_y = (mouse_y*(1-fraction) + old_mouse_y*fraction);
}
old_mouse_x = mx;
old_mouse_y = my;
if (m_accel.value) {
float mouse_deltadist = sqrt(mx*mx + my*my);
mouse_x *= (mouse_deltadist*m_accel.value + sensitivity.value*in_sensitivityscale);
mouse_y *= (mouse_deltadist*m_accel.value + sensitivity.value*in_sensitivityscale);
} else {
mouse_x *= sensitivity.value*in_sensitivityscale;
mouse_y *= sensitivity.value*in_sensitivityscale;
}
if(in_xflip.value) mouse_x *= -1;
if (movements)
{
// add mouse X/Y movement to cmd
if ( (in_strafe.state[pnum] & 1) || (lookstrafe.value && (in_mlook.state[pnum] & 1) ))
movements[1] += m_side.value * mouse_x;
else
cl.viewangles[pnum][YAW] -= m_yaw.value * mouse_x;
if (in_mlook.state[pnum] & 1)
V_StopPitchDrift (pnum);
if ( (in_mlook.state[pnum] & 1) && !(in_strafe.state[pnum] & 1))
{
cl.viewangles[pnum][PITCH] += m_pitch.value * mouse_y;
CL_ClampPitch(pnum);
}
else
{
if ((in_strafe.state[pnum] & 1) && noclip_anglehack)
movements[2] -= m_forward.value * mouse_y;
else
movements[0] -= m_forward.value * mouse_y;
}
}
mouse_x = mouse_y = 0.0;
}
void IN_Move (float *movements, int pnum)
{
IN_MouseMove(movements, pnum);
}
void GL_DoSwap(void) {}
void GLVID_SetCaption(char *text)
{
XStoreName(vid_dpy, vid_window, text);
}