ref: af7c9e9e4c647a9b155842cb98f25d0facd2bc95
dir: /u/gl_vidlinuxglx.c/
/*
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>
#include <sys/vt.h>
#include <stdarg.h>
#include <stdio.h>
#include <signal.h>
#include <dlfcn.h>
#include "quakedef.h"
#include <GL/glx.h>
#include <X11/keysym.h>
#include <X11/cursorfont.h>
#include <X11/extensions/xf86dga.h>
#include <X11/extensions/xf86vmode.h>
#define WARP_WIDTH 320
#define WARP_HEIGHT 200
static Display *dpy = NULL;
static int scrnum;
static Window win;
static GLXContext ctx = NULL;
#define KEY_MASK (KeyPressMask | KeyReleaseMask)
#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \
PointerMotionMask | ButtonMotionMask )
#define X_MASK (KEY_MASK | MOUSE_MASK | VisibilityChangeMask | StructureNotifyMask )
unsigned short d_8to16table[256];
unsigned d_8to24table[256];
unsigned char d_15to8table[65536];
cvar_t vid_mode = {"vid_mode","0",false};
static qboolean mouse_avail;
static qboolean mouse_active;
static int mx, my;
static int old_mouse_x, old_mouse_y;
static cvar_t in_mouse = {"in_mouse", "1", false};
static cvar_t in_dgamouse = {"in_dgamouse", "1", false};
static cvar_t m_filter = {"m_filter", "0"};
qboolean dgamouse = false;
qboolean vidmode_ext = false;
static int win_x, win_y;
static int scr_width, scr_height;
static XF86VidModeModeInfo **vidmodes;
static int default_dotclock_vidmode;
static int num_vidmodes;
static qboolean vidmode_active = false;
/*-----------------------------------------------------------------------*/
//int texture_mode = GL_NEAREST;
//int texture_mode = GL_NEAREST_MIPMAP_NEAREST;
//int texture_mode = GL_NEAREST_MIPMAP_LINEAR;
int texture_mode = GL_LINEAR;
//int texture_mode = GL_LINEAR_MIPMAP_NEAREST;
//int texture_mode = GL_LINEAR_MIPMAP_LINEAR;
int texture_extension_number = 1;
float gldepthmin, gldepthmax;
cvar_t gl_ztrick = {"gl_ztrick","1"};
const char *gl_vendor;
const char *gl_renderer;
const char *gl_version;
const char *gl_extensions;
void (*qglColorTableEXT) (int, int, int, int, int, const void*);
void (*qgl3DfxSetPaletteEXT) (GLuint *);
static float vid_gamma = 1.0;
qboolean is8bit = false;
qboolean isPermedia = false;
qboolean gl_mtexable = false;
/*-----------------------------------------------------------------------*/
void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
{
}
void D_EndDirectRect (int x, int y, int width, int height)
{
}
static int XLateKey(XKeyEvent *ev)
{
int key;
char buf[64];
KeySym keysym;
key = 0;
XLookupString(ev, buf, sizeof buf, &keysym, 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 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;
}
static void install_grabs(void)
{
// inviso cursor
XDefineCursor(dpy, win, CreateNullCursor(dpy, win));
XGrabPointer(dpy, win,
True,
0,
GrabModeAsync, GrabModeAsync,
win,
None,
CurrentTime);
if (in_dgamouse.value) {
int MajorVersion, MinorVersion;
if (!XF86DGAQueryVersion(dpy, &MajorVersion, &MinorVersion)) {
// unable to query, probalby not supported
Con_Printf( "Failed to detect XF86DGA Mouse\n" );
in_dgamouse.value = 0;
} else {
dgamouse = true;
XF86DGADirectVideo(dpy, DefaultScreen(dpy), XF86DGADirectMouse);
XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
}
} else {
XWarpPointer(dpy, None, win,
0, 0, 0, 0,
vid.width / 2, vid.height / 2);
}
XGrabKeyboard(dpy, win,
False,
GrabModeAsync, GrabModeAsync,
CurrentTime);
mouse_active = true;
// XSync(dpy, True);
}
static void uninstall_grabs(void)
{
if (!dpy || !win)
return;
if (dgamouse) {
dgamouse = false;
XF86DGADirectVideo(dpy, DefaultScreen(dpy), 0);
}
XUngrabPointer(dpy, CurrentTime);
XUngrabKeyboard(dpy, CurrentTime);
// inviso cursor
XUndefineCursor(dpy, win);
mouse_active = false;
}
static void HandleEvents(void)
{
XEvent event;
KeySym ks;
int b;
qboolean dowarp = false;
int mwx = vid.width/2;
int mwy = vid.height/2;
if (!dpy)
return;
while (XPending(dpy)) {
XNextEvent(dpy, &event);
switch (event.type) {
case KeyPress:
case KeyRelease:
Key_Event(XLateKey(&event.xkey), event.type == KeyPress);
break;
case MotionNotify:
if (mouse_active) {
if (dgamouse) {
mx += (event.xmotion.x + win_x) * 2;
my += (event.xmotion.y + win_y) * 2;
}
else
{
mx += ((int)event.xmotion.x - mwx) * 2;
my += ((int)event.xmotion.y - mwy) * 2;
mwx = event.xmotion.x;
mwy = event.xmotion.y;
if (mx || my)
dowarp = true;
}
}
break;
break;
case ButtonPress:
b=-1;
if (event.xbutton.button == 1)
b = 0;
else if (event.xbutton.button == 2)
b = 2;
else if (event.xbutton.button == 3)
b = 1;
if (b>=0)
Key_Event(K_MOUSE1 + b, true);
break;
case ButtonRelease:
b=-1;
if (event.xbutton.button == 1)
b = 0;
else if (event.xbutton.button == 2)
b = 2;
else if (event.xbutton.button == 3)
b = 1;
if (b>=0)
Key_Event(K_MOUSE1 + b, false);
break;
case CreateNotify :
win_x = event.xcreatewindow.x;
win_y = event.xcreatewindow.y;
break;
case ConfigureNotify :
win_x = event.xconfigure.x;
win_y = event.xconfigure.y;
break;
}
}
if (dowarp) {
/* move the mouse to the window center again */
XWarpPointer(dpy, None, win, 0, 0, 0, 0, vid.width / 2, vid.height / 2);
}
}
static void IN_DeactivateMouse( void )
{
if (!mouse_avail || !dpy || !win)
return;
if (mouse_active) {
uninstall_grabs();
mouse_active = false;
}
}
static void IN_ActivateMouse( void )
{
if (!mouse_avail || !dpy || !win)
return;
if (!mouse_active) {
mx = my = 0; // don't spazz
install_grabs();
mouse_active = true;
}
}
void VID_Shutdown(void)
{
if (!ctx || !dpy)
return;
IN_DeactivateMouse();
if (dpy) {
if (ctx)
glXDestroyContext(dpy, ctx);
if (win)
XDestroyWindow(dpy, win);
if (vidmode_active)
XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[0]);
XCloseDisplay(dpy);
}
vidmode_active = false;
dpy = NULL;
win = 0;
ctx = NULL;
}
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);
signal(SIGIOT, signal_handler);
signal(SIGBUS, signal_handler);
signal(SIGFPE, signal_handler);
signal(SIGSEGV, signal_handler);
signal(SIGTERM, signal_handler);
}
void VID_ShiftPalette(unsigned char *p)
{
// VID_SetPalette(p);
}
void VID_SetPalette (unsigned char *palette)
{
byte *pal;
unsigned r,g,b;
unsigned v;
int r1,g1,b1;
int j,k,l,m;
unsigned short i;
unsigned *table;
FILE *f;
char s[255];
int dist, bestdist;
//
// 8 8 8 encoding
//
pal = palette;
table = d_8to24table;
for (i=0 ; i<256 ; i++)
{
r = pal[0];
g = pal[1];
b = pal[2];
pal += 3;
v = (255<<24) + (r<<0) + (g<<8) + (b<<16);
*table++ = v;
}
d_8to24table[255] &= 0xffffff; // 255 is transparent
for (i=0; i < (1<<15); i++) {
/* Maps
000000000000000
000000000011111 = Red = 0x1F
000001111100000 = Blue = 0x03E0
111110000000000 = Grn = 0x7C00
*/
r = ((i & 0x1F) << 3)+4;
g = ((i & 0x03E0) >> 2)+4;
b = ((i & 0x7C00) >> 7)+4;
pal = (unsigned char *)d_8to24table;
for (v=0,k=0,bestdist=10000*10000; v<256; v++,pal+=4) {
r1 = (int)r - (int)pal[0];
g1 = (int)g - (int)pal[1];
b1 = (int)b - (int)pal[2];
dist = (r1*r1)+(g1*g1)+(b1*b1);
if (dist < bestdist) {
k=v;
bestdist = dist;
}
}
d_15to8table[i]=k;
}
}
void CheckMultiTextureExtensions(void)
{
void *prjobj;
if (strstr(gl_extensions, "GL_SGIS_multitexture ") && !COM_CheckParm("-nomtex")) {
Con_Printf("Found GL_SGIS_multitexture...\n");
if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL) {
Con_Printf("Unable to open symbol list for main program.\n");
return;
}
qglMTexCoord2fSGIS = (void *) dlsym(prjobj, "glMTexCoord2fSGIS");
qglSelectTextureSGIS = (void *) dlsym(prjobj, "glSelectTextureSGIS");
if (qglMTexCoord2fSGIS && qglSelectTextureSGIS) {
Con_Printf("Multitexture extensions found.\n");
gl_mtexable = true;
} else
Con_Printf("Symbol not found, disabled.\n");
dlclose(prjobj);
}
}
/*
===============
GL_Init
===============
*/
void GL_Init (void)
{
gl_vendor = glGetString (GL_VENDOR);
Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
gl_renderer = glGetString (GL_RENDERER);
Con_Printf ("GL_RENDERER: %s\n", gl_renderer);
gl_version = glGetString (GL_VERSION);
Con_Printf ("GL_VERSION: %s\n", gl_version);
gl_extensions = glGetString (GL_EXTENSIONS);
Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions);
// Con_Printf ("%s %s\n", gl_renderer, gl_version);
CheckMultiTextureExtensions ();
glClearColor (1,0,0,0);
glCullFace(GL_FRONT);
glEnable(GL_TEXTURE_2D);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.666);
glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
glShadeModel (GL_FLAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
}
/*
=================
GL_BeginRendering
=================
*/
void GL_BeginRendering (int *x, int *y, int *width, int *height)
{
extern cvar_t gl_clear;
*x = *y = 0;
*width = scr_width;
*height = scr_height;
// if (!wglMakeCurrent( maindc, baseRC ))
// Sys_Error ("wglMakeCurrent failed");
// glViewport (*x, *y, *width, *height);
}
void GL_EndRendering (void)
{
glFlush();
glXSwapBuffers(dpy, win);
}
qboolean VID_Is8bit(void)
{
return is8bit;
}
void VID_Init8bitPalette(void)
{
// Check for 8bit Extensions and initialize them.
int i;
void *prjobj;
if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL) {
Con_Printf("Unable to open symbol list for main program.\n");
return;
}
if (strstr(gl_extensions, "3DFX_set_global_palette") &&
(qgl3DfxSetPaletteEXT = dlsym(prjobj, "gl3DfxSetPaletteEXT")) != NULL) {
GLubyte table[256][4];
char *oldpal;
Con_SafePrintf("8-bit GL extensions enabled.\n");
glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
oldpal = (char *) d_8to24table; //d_8to24table3dfx;
for (i=0;i<256;i++) {
table[i][2] = *oldpal++;
table[i][1] = *oldpal++;
table[i][0] = *oldpal++;
table[i][3] = 255;
oldpal++;
}
qgl3DfxSetPaletteEXT((GLuint *)table);
is8bit = true;
} else if (strstr(gl_extensions, "GL_EXT_shared_texture_palette") &&
(qglColorTableEXT = dlsym(prjobj, "glColorTableEXT")) != NULL) {
char thePalette[256*3];
char *oldPalette, *newPalette;
Con_SafePrintf("8-bit GL extensions enabled.\n");
glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
oldPalette = (char *) d_8to24table; //d_8to24table3dfx;
newPalette = thePalette;
for (i=0;i<256;i++) {
*newPalette++ = *oldPalette++;
*newPalette++ = *oldPalette++;
*newPalette++ = *oldPalette++;
oldPalette++;
}
qglColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette);
is8bit = true;
}
dlclose(prjobj);
}
static void Check_Gamma (unsigned char *pal)
{
float f, inf;
unsigned char palette[768];
int i;
if ((i = COM_CheckParm("-gamma")) == 0) {
if ((gl_renderer && strstr(gl_renderer, "Voodoo")) ||
(gl_vendor && strstr(gl_vendor, "3Dfx")))
vid_gamma = 1;
else
vid_gamma = 0.7; // default to 0.7 on non-3dfx hardware
} else
vid_gamma = Q_atof(com_argv[i+1]);
for (i=0 ; i<768 ; i++)
{
f = pow ( (pal[i]+1)/256.0 , vid_gamma );
inf = f*255 + 0.5;
if (inf < 0)
inf = 0;
if (inf > 255)
inf = 255;
palette[i] = inf;
}
memcpy (pal, palette, sizeof(palette));
}
void VID_Init(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,
None
};
char gldir[MAX_OSPATH];
int width = 640, height = 480;
XSetWindowAttributes attr;
unsigned long mask;
Window root;
XVisualInfo *visinfo;
qboolean fullscreen = true;
int MajorVersion, MinorVersion;
int actualWidth, actualHeight;
Cvar_RegisterVariable (&vid_mode);
Cvar_RegisterVariable (&in_mouse);
Cvar_RegisterVariable (&in_dgamouse);
Cvar_RegisterVariable (&m_filter);
Cvar_RegisterVariable (&gl_ztrick);
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
vid.colormap = host_colormap;
vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
// interpret command-line params
// set vid parameters
if ((i = COM_CheckParm("-window")) != 0)
fullscreen = false;
if ((i = COM_CheckParm("-width")) != 0)
width = atoi(com_argv[i+1]);
if ((i = COM_CheckParm("-height")) != 0)
height = atoi(com_argv[i+1]);
if ((i = COM_CheckParm("-conwidth")) != 0)
vid.conwidth = Q_atoi(com_argv[i+1]);
else
vid.conwidth = 640;
vid.conwidth &= 0xfff8; // make it a multiple of eight
if (vid.conwidth < 320)
vid.conwidth = 320;
// pick a conheight that matches with correct aspect
vid.conheight = vid.conwidth*3 / 4;
if ((i = COM_CheckParm("-conheight")) != 0)
vid.conheight = Q_atoi(com_argv[i+1]);
if (vid.conheight < 200)
vid.conheight = 200;
if (!(dpy = XOpenDisplay(NULL))) {
fprintf(stderr, "Error couldn't open the X display\n");
exit(1);
}
scrnum = DefaultScreen(dpy);
root = RootWindow(dpy, scrnum);
// Get video mode list
MajorVersion = MinorVersion = 0;
if (!XF86VidModeQueryVersion(dpy, &MajorVersion, &MinorVersion)) {
vidmode_ext = false;
} else {
Con_Printf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
vidmode_ext = true;
}
visinfo = glXChooseVisual(dpy, scrnum, attrib);
if (!visinfo) {
fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
exit(1);
}
if (vidmode_ext) {
int best_fit, best_dist, dist, x, y;
XF86VidModeGetAllModeLines(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 (width > vidmodes[i]->hdisplay ||
height > vidmodes[i]->vdisplay)
continue;
x = width - vidmodes[i]->hdisplay;
y = height - vidmodes[i]->vdisplay;
dist = (x * x) + (y * y);
if (dist < best_dist) {
best_dist = dist;
best_fit = i;
}
}
if (best_fit != -1) {
actualWidth = vidmodes[best_fit]->hdisplay;
actualHeight = vidmodes[best_fit]->vdisplay;
// change to the mode
XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[best_fit]);
vidmode_active = true;
// Move the viewport to top left
XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
} else
fullscreen = 0;
}
}
/* window attributes */
attr.background_pixel = 0;
attr.border_pixel = 0;
attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
attr.event_mask = X_MASK;
if (vidmode_active) {
mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore |
CWEventMask | CWOverrideRedirect;
attr.override_redirect = True;
attr.backing_store = NotUseful;
attr.save_under = False;
} else
mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
win = XCreateWindow(dpy, root, 0, 0, width, height,
0, visinfo->depth, InputOutput,
visinfo->visual, mask, &attr);
XMapWindow(dpy, win);
if (vidmode_active) {
XMoveWindow(dpy, win, 0, 0);
XRaiseWindow(dpy, win);
XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
XFlush(dpy);
// Move the viewport to top left
XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
}
XFlush(dpy);
ctx = glXCreateContext(dpy, visinfo, NULL, True);
glXMakeCurrent(dpy, win, ctx);
scr_width = width;
scr_height = height;
if (vid.conheight > height)
vid.conheight = height;
if (vid.conwidth > width)
vid.conwidth = width;
vid.width = vid.conwidth;
vid.height = vid.conheight;
vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0);
vid.numpages = 2;
InitSig(); // trap evil signals
GL_Init();
sprintf (gldir, "%s/glquake", com_gamedir);
Sys_mkdir (gldir);
VID_SetPalette(palette);
// Check for 3DFX Extensions and initialize them.
VID_Init8bitPalette();
Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
vid.recalc_refdef = 1; // force a surface cache flush
}
void Sys_SendKeyEvents(void)
{
HandleEvents();
}
void Force_CenterView_f (void)
{
cl.viewangles[PITCH] = 0;
}
void IN_Init(void)
{
}
void IN_Shutdown(void)
{
}
/*
===========
IN_Commands
===========
*/
void IN_Commands (void)
{
if (!dpy || !win)
return;
if (vidmode_active || key_dest == key_game)
IN_ActivateMouse();
else
IN_DeactivateMouse ();
}
/*
===========
IN_Move
===========
*/
void IN_MouseMove (usercmd_t *cmd)
{
if (!mouse_avail)
return;
if (m_filter.value)
{
mx = (mx + old_mouse_x) * 0.5;
my = (my + old_mouse_y) * 0.5;
}
old_mouse_x = mx;
old_mouse_y = my;
mx *= sensitivity.value;
my *= sensitivity.value;
// add mouse X/Y movement to cmd
if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
cmd->sidemove += m_side.value * mx;
else
cl.viewangles[YAW] -= m_yaw.value * mx;
if (in_mlook.state & 1)
V_StopPitchDrift ();
if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
{
cl.viewangles[PITCH] += m_pitch.value * my;
if (cl.viewangles[PITCH] > 80)
cl.viewangles[PITCH] = 80;
if (cl.viewangles[PITCH] < -70)
cl.viewangles[PITCH] = -70;
}
else
{
if ((in_strafe.state & 1) && noclip_anglehack)
cmd->upmove -= m_forward.value * my;
else
cmd->forwardmove -= m_forward.value * my;
}
mx = my = 0;
}
void IN_Move (usercmd_t *cmd)
{
IN_MouseMove(cmd);
}