+/*
+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};
+
+viddef_t vid; // global video state
+
+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;
+
+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 *);
+void (*qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
+void (*qglSelectTexture) (GLenum);
+
+//static float vid_gamma = 1.0;
+
+// LordHavoc: ARB multitexture support
+int gl_mtex_enum = 0;
+
+// LordHavoc: in GLX these are never set, simply provided to make the rest of the code work
+qboolean is8bit = false;
+qboolean isPermedia = false;
+qboolean isATI = false;
+qboolean isG200 = false;
+qboolean isRagePro = false;
+qboolean gl_mtexable = false;
+qboolean gl_arrays = 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 (*qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (*qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (*qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (*qglArrayElement)(GLint i);
+void (*qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
+void (*qglMTexCoord2f)(GLenum, GLfloat, GLfloat);
+void (*qglSelectTexture)(GLenum);
+void (*glColorTableEXT)(int, int, int, int, int, const void*);
+
+void CheckVertexArrays (void)
+{
+ void *prjobj;
+ if (COM_CheckParm("-novertex"))
+ {
+ Con_Printf("...vertex array support disabled\n");
+ return;
+ }
+ if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL)
+ {
+ Con_Printf("Unable to open symbol list for main program.\n");
+ return;
+ }
+ qglMTexCoord2fSGIS = (void *) dlsym(prjobj, "glMTexCoord2fSGIS");
+ if ((qglArrayElement = (void *) dlsym(prjobj, "glArrayElement"))
+ && (qglColorPointer = (void *) dlsym(prjobj, "glColorPointer"))
+// && (qglDrawArrays = (void *) dlsym(prjobj, "glDrawArrays"))
+ && (qglDrawElements = (void *) dlsym(prjobj, "glDrawElements"))
+// && (qglInterleavedArrays = (void *) dlsym(prjobj, "glInterleavedArrays"))
+ && (qglTexCoordPointer = (void *) dlsym(prjobj, "glTexCoordPointer"))
+ && (qglVertexPointer = (void *) dlsym(prjobj, "glVertexPointer"))
+ )
+ {
+ Con_Printf("...vertex array support detected\n");
+ gl_arrays = true;
+ dlclose(prjobj);
+ return;
+ }
+
+ Con_Printf("...vertex array support disabled (not detected - get a better driver)\n");
+ dlclose(prjobj);
+}
+*/
+
+void CheckMultiTexture(void)
+{
+ void *prjobj;
+ qglMTexCoord2f = NULL;
+ qglSelectTexture = NULL;
+ // Check to see if multitexture is disabled
+ if (COM_CheckParm("-nomtex"))
+ {
+ Con_Printf("...multitexture disabled\n");
+ return;
+ }
+ if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL)
+ {
+ Con_Printf("Unable to open symbol list for main program.\n");
+ return;
+ }
+ // Test for ARB_multitexture
+ if (!COM_CheckParm("-SGISmtex") && strstr(gl_extensions, "GL_ARB_multitexture "))
+ {
+ Con_Printf("...using GL_ARB_multitexture\n");
+ qglMTexCoord2f = (void *) dlsym(prjobj, "glMultiTexCoord2fARB");
+ qglSelectTexture = (void *) dlsym(prjobj, "glActiveTextureARB");
+ gl_mtexable = true;
+ gl_mtex_enum = GL_TEXTURE0_ARB;
+ }
+ else if (strstr(gl_extensions, "GL_SGIS_multitexture ")) // Test for SGIS_multitexture (if ARB_multitexture not found)
+ {
+ Con_Printf("...using GL_SGIS_multitexture\n");
+ qglMTexCoord2f = (void *) dlsym(prjobj, "glMTexCoord2fSGIS");
+ qglSelectTexture = (void *) dlsym(prjobj, "glSelectTextureSGIS");
+ gl_mtexable = true;
+ gl_mtex_enum = TEXTURE0_SGIS;
+ }
+ if (!gl_mtexable)
+ Con_Printf("...multitexture disabled (not detected)\n");
+ dlclose(prjobj);
+}
+
+/*
+===============
+GL_Init
+===============
+*/
+extern char *QSG_EXTENSIONS;
+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);
+
+ CheckMultiTexture();
+// CheckVertexArrays();
+
+ // LordHavoc: report supported extensions
+ Con_Printf ("\nQSG extensions: %s\n", QSG_EXTENSIONS);
+
+// glClearColor (1,0,0,0);
+ glCullFace(GL_FRONT);
+// glEnable(GL_TEXTURE_2D);
+//
+// glEnable(GL_ALPHA_TEST);
+ glAlphaFunc(GL_GREATER, 0.5);
+//
+// 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)
+{
+ *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 (!COM_CheckParm("-8bit"))
+ return;
+ 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);
+}
+
+extern void Check_Gamma (unsigned char *pal);
+void VID_Setup15to8Palette ();
+
+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);
+
+ 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 = 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 = 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_Gamma(palette);
+
+ VID_Init8bitPalette();
+
+ if (is8bit) // LordHavoc: avoid calculating 15to8 table if it won't be used
+ VID_Setup15to8Palette ();
+
+ 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);
+}
+
+