From b15fdf6acf7d213ac2635cd1e3eb87e7329bb1d1 Mon Sep 17 00:00:00 2001 From: Bill Currie Date: Sun, 16 Jan 2000 06:51:01 +0000 Subject: [PATCH] made DGA code _EXPERIMENTAL_ --- common/dga_check.c | 4 +- common/gl_vidglx.c | 24 +- common/gl_vidlinuxglx.c | 1003 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 1017 insertions(+), 14 deletions(-) create mode 100644 common/gl_vidlinuxglx.c diff --git a/common/dga_check.c b/common/dga_check.c index 9901a7b..ab938ec 100644 --- a/common/dga_check.c +++ b/common/dga_check.c @@ -47,7 +47,7 @@ int VID_CheckDGA(Display *dpy, int *maj_ver, int *min_ver, int *hasvideo) { -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) int event_base, error_base, dgafeat, dummy; if (! XF86DGAQueryExtension(dpy, &event_base, &error_base)) { @@ -81,7 +81,7 @@ VID_CheckDGA(Display *dpy, int *maj_ver, int *min_ver, int *hasvideo) int VID_CheckVMode(Display *dpy, int *maj_ver, int *min_ver) { -#ifdef HAS_DGA +#if (defined(HAS_DGA) && defined(_EXPERIMENTAL_)) XF86VidModeModeInfo **vidmodes; int event_base, error_base; int dummy; diff --git a/common/gl_vidglx.c b/common/gl_vidglx.c index 221f603..4d0a22c 100644 --- a/common/gl_vidglx.c +++ b/common/gl_vidglx.c @@ -32,7 +32,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #include #include -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) #include #include #endif @@ -74,7 +74,7 @@ static float old_mouse_x, old_mouse_y; static int mouse_grabbed = 0; #define mouse_shouldgrab ((int)vid_glx_fullscreen.value ||(int)_windowed_mouse.value) -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) static int nummodes; static XF86VidModeModeInfo **vidmodes; static int hasdga = 0, hasdgavideo = 0, hasvidmode = 0; @@ -88,7 +88,7 @@ static int xmesafullscreen = 0; static int scr_width, scr_height; -#if defined(XMESA) || defined(HAS_DGA) +#if defined(XMESA) || (defined(HAS_DGA) && defined(_EXPERIMENTAL_)) int VID_options_items = 2; #else int VID_options_items = 1; @@ -171,7 +171,7 @@ do_grabs(int grab) XGrabKeyboard(dpy, win, False, GrabModeAsync, GrabModeAsync, CurrentTime); -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) if (hasdga) { XF86DGADirectVideo(dpy, screen, XF86DGADirectMouse); dgamouse = 1; @@ -186,7 +186,7 @@ do_grabs(int grab) /* Release grab */ -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) if (dgamouse) { XF86DGADirectVideo(dpy, screen, 0); dgamouse = 0; @@ -218,7 +218,7 @@ do_fullscreen(int full) return; } #endif -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) if (hasvidmode) { static int prev_x = 0, prev_y = 0, prev_w = 640, prev_h = 480; @@ -280,7 +280,7 @@ VID_Shutdown(void) glXDestroyContext(dpy, ctx); ctx = NULL; -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) if (hasvidmode) { int i; @@ -532,7 +532,7 @@ void VID_Init(unsigned char *palette) Cvar_RegisterVariable(&gl_ztrick); Cvar_RegisterVariable(&_windowed_mouse); Cvar_RegisterVariable(&vid_glx_fullscreen); -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) Cvar_RegisterVariable(&vid_dga_mouseaccel); #endif @@ -581,7 +581,7 @@ void VID_Init(unsigned char *palette) exit(1); } -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) { int maj_ver; @@ -815,7 +815,7 @@ GetEvent(void) break; case MotionNotify: -#ifdef HAS_DGA +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) if (dgamouse) { mouse_x += (float)x_event.xmotion.x_root * vid_dga_mouseaccel.value; @@ -972,7 +972,7 @@ void VID_ExtraOptionDraw(unsigned int options_draw_cursor) M_DrawCheckbox(220, options_draw_cursor, _windowed_mouse.value); -#if defined(XMESA) || defined(HAS_DGA) +#if defined(XMESA) || (defined(HAS_DGA) && defined(_EXPERIMENTAL_)) /* Mesa has a fullscreen / windowed glx hack. */ M_Print(16, options_draw_cursor+=8, " Fullscreen"); M_DrawCheckbox(220, options_draw_cursor, vid_glx_fullscreen.value); @@ -987,7 +987,7 @@ void VID_ExtraOptionCmd(int option_cursor) Cvar_SetValue("_windowed_mouse", !_windowed_mouse.value); break; -#if defined(XMESA) || defined(HAS_DGA) +#if defined(XMESA) || (defined(HAS_DGA) && defined(_EXPERIMENTAL_)) case 2: Cvar_SetValue ("vid_glx_fullscreen",!vid_glx_fullscreen.value); break; diff --git a/common/gl_vidlinuxglx.c b/common/gl_vidlinuxglx.c new file mode 100644 index 0000000..fb2532d --- /dev/null +++ b/common/gl_vidlinuxglx.c @@ -0,0 +1,1003 @@ +/* +Copyright (C) 1996-1997 Id Software, Inc. +Copyright (C) 1999-2000 contributors of the QuakeForge project +Copyright (C) 1999-2000 Nelson Rush. +Copyright (C) 2000 Marcus Sundberg [mackan@stacken.kth.se] +Please see the file "AUTHORS" for a list of contributors + +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 "quakedef.h" + +#include +#include +#include + +#include + +#include +#include + +#if (defined(HAS_DGA) && defined(_EXPERIMENTAL_)) +#include +#include +#endif +#include "dga_check.h" + +#ifdef XMESA +#include +#endif + +#define WARP_WIDTH 320 +#define WARP_HEIGHT 200 + +static Display *dpy = NULL; +static int screen; +static Window win; +static Cursor cursor = None; +static GLXContext ctx = NULL; + +#define KEY_MASK (KeyPressMask | KeyReleaseMask) +#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \ + PointerMotionMask) + +#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 _windowed_mouse = {"_windowed_mouse", "0", true}; +cvar_t m_filter = {"m_filter", "0"}; +cvar_t vid_mode = {"vid_mode", "0", false}; +cvar_t vid_glx_fullscreen = {"vid_glx_fullscreen", "0", false}; + +static int fullscreen = 0; + +static float mouse_x, mouse_y; +static float old_mouse_x, old_mouse_y; +static int mouse_grabbed = 0; +#define mouse_shouldgrab ((int)vid_glx_fullscreen.value ||(int)_windowed_mouse.value) + +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) +static int nummodes; +static XF86VidModeModeInfo **vidmodes; +static int hasdga = 0, hasdgavideo = 0, hasvidmode = 0; +static int dgamouse = 0; +static cvar_t vid_dga_mouseaccel = {"vid_dga_mouseaccel", "1", true}; +#endif + +#ifdef XMESA +static int xmesafullscreen = 0; +#endif + +static int scr_width, scr_height; + +#if defined(XMESA) || (defined(HAS_DGA) && defined(_EXPERIMENTAL_)) +int VID_options_items = 2; +#else +int VID_options_items = 1; +#endif + +/*-----------------------------------------------------------------------*/ + +//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", "0", true}; + +const char *gl_vendor; +const char *gl_renderer; +const char *gl_version; +const char *gl_extensions; + +qboolean is8bit = 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: key = KP_PGUP; break; + case XK_Page_Up: key = K_PGUP; break; + + case XK_KP_Page_Down: key = KP_PGDN; break; + case XK_Page_Down: key = K_PGDN; break; + + case XK_KP_Home: key = KP_HOME; break; + case XK_Home: key = K_HOME; break; + + case XK_KP_End: key = KP_END; break; + case XK_End: key = K_END; break; + + case XK_KP_Left: key = KP_LEFTARROW; break; + case XK_Left: key = K_LEFTARROW; break; + + case XK_KP_Right: key = KP_RIGHTARROW; break; + case XK_Right: key = K_RIGHTARROW; break; + + case XK_KP_Down: key = KP_DOWNARROW; break; + case XK_Down: key = K_DOWNARROW; break; + + case XK_KP_Up: key = KP_UPARROW; break; + case XK_Up: key = K_UPARROW; break; + + case XK_Escape: key = K_ESCAPE; break; + + case XK_KP_Enter: key = KP_ENTER; break; + 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: key = KP_DEL; break; + 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_Mode_switch: + 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 = K_AUX30; break; + + case XK_Insert: key = K_INS; break; + case XK_KP_Insert: key = KP_INS; break; + + case XK_KP_Multiply: key = KP_MULTIPLY; break; + case XK_KP_Add: key = KP_PLUS; break; + case XK_KP_Subtract: key = KP_MINUS; break; + case XK_KP_Divide: key = KP_DIVIDE; 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'; +// fprintf(stdout, "case 0x0%x: key = ___;break;/* [%c] */\n", keysym); + break; + } + + return key; +} + + +static void +blank_cursor(void) +{ + Pixmap blank; + XColor dummy; + char data[1] = {0}; + + blank = XCreateBitmapFromData(dpy, win, data, 1, 1); + if (blank == None) { + fprintf(stderr,"Could not create cursor: Out of memory.\n"); + } else { + cursor = XCreatePixmapCursor(dpy, blank, blank, + &dummy, &dummy, 0, 0); + XFreePixmap(dpy, blank); + } +} + + +static void +do_grabs(int grab) +{ + if (grab == mouse_grabbed) return; + + if (grab) { + /* + Grab mouse + */ + if (cursor == None) { + blank_cursor(); + } + + if (XGrabPointer(dpy, win, True, 0, GrabModeAsync, + GrabModeAsync, win, cursor, CurrentTime) + != GrabSuccess) { + Con_Printf("Unable to grab pointer\n"); + Cvar_SetValue("vid_glx_fullscreen", 0); + Cvar_SetValue("_windowed_mouse", 0); + return; + } + + /* We can live with this failing. */ + XGrabKeyboard(dpy, win, False, GrabModeAsync, GrabModeAsync, + CurrentTime); + +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + if (hasdga) { + XF86DGADirectVideo(dpy, screen, XF86DGADirectMouse); + dgamouse = 1; + } else +#endif + { + XWarpPointer(dpy, None, win, 0, 0, 0, 0, + vid.width / 2, vid.height / 2); + } + mouse_grabbed = 1; + } else { + /* + Release grab + */ +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + if (dgamouse) { + XF86DGADirectVideo(dpy, screen, 0); + dgamouse = 0; + } +#endif + XUngrabKeyboard(dpy, CurrentTime); + XUngrabPointer(dpy, CurrentTime); + mouse_grabbed = 0; + } +} + + +static void +do_fullscreen(int full) +{ + if (full == fullscreen) return; + +#ifdef XMESA + if (XMesaSetFXmode(full ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW)) { + fullscreen = full; + xmesafullscreen = full; + return; + } + if (xmesafullscreen) { + /* We are in XMesa fullscren mode and couldn't switch back + to windowed mode ??? */ + Cvar_SetValue("vid_glx_fullscreen", fullscreen); + do_grab(mouse_shouldgrab); + return; + } +#endif +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + if (hasvidmode) { + static int prev_x = 0, prev_y = 0, prev_w = 640, prev_h = 480; + + if (full) { + Window dumwin; + unsigned int dummy, i, curw = 65535, curh = 65535; + int curmode = -1; + + XGetGeometry(dpy, win, &dumwin, &prev_x, &prev_y, + &prev_w, &prev_h, &dummy, &dummy); + + for (i = 0; i < nummodes; i++) { + if (vidmodes[i]->hdisplay == scr_width && + vidmodes[i]->vdisplay == scr_height) { + curmode = i; + break; + } + if (vidmodes[i]->hdisplay + >= (scr_width - 10) && + vidmodes[i]->vdisplay + >= (scr_height - 10) && + vidmodes[i]->hdisplay <= curw && + vidmodes[i]->vdisplay <= curh) { + curw = vidmodes[i]->hdisplay; + curh = vidmodes[i]->vdisplay; + curmode = i; + } + } + if (curmode >= 0 && + XF86VidModeSwitchToMode(dpy, + screen, vidmodes[curmode])) { + XSync(dpy, 0); + XF86VidModeSetViewPort(dpy, screen, 0, 0); + XMoveResizeWindow(dpy, win, 0, 0, + vidmodes[curmode]->hdisplay, + vidmodes[curmode]->vdisplay); + fullscreen = full; + return; + } + } else { + XF86VidModeSwitchToMode(dpy, screen, vidmodes[0]); + XSync(dpy, 0); + XMoveResizeWindow(dpy, win, prev_x, prev_y, + prev_w, prev_h); + fullscreen = full; + return; + } + } +#endif + /* Failed to change anything */ + Cvar_SetValue("vid_glx_fullscreen", fullscreen); +} + + +static void +GetEvent(void) +{ + XEvent x_event; + int b; + + if (!dpy) return; + + XNextEvent(dpy, &x_event); + + switch (x_event.type) { + case KeyPress: + case KeyRelease: + Key_Event(XLateKey(&x_event.xkey), x_event.type == KeyPress); + break; + + case MotionNotify: +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + if (dgamouse) { + mouse_x += (float)x_event.xmotion.x_root + * vid_dga_mouseaccel.value; + mouse_y += (float)x_event.xmotion.y_root + * vid_dga_mouseaccel.value; + } else +#endif + { + if (_windowed_mouse.value) { + mouse_x += (float) ((int)x_event.xmotion.x + - (int)(vid.width/2)); + mouse_y += (float) ((int)x_event.xmotion.y + - (int)(vid.height/2)); + + /* move the mouse to the window center again */ + XSelectInput(dpy, win, X_MASK & ~PointerMotionMask); + XWarpPointer(dpy, None, win, 0, 0, 0, 0, + (vid.width/2), (vid.height/2)); + XSelectInput(dpy, win, X_MASK); + } + } + break; + + case ButtonPress: + b=-1; + if (x_event.xbutton.button == 1) + b = 0; + else if (x_event.xbutton.button == 2) + b = 2; + else if (x_event.xbutton.button == 3) + b = 1; + if (b>=0) + Key_Event(K_MOUSE1 + b, true); + break; + + case ButtonRelease: + b=-1; + if (x_event.xbutton.button == 1) + b = 0; + else if (x_event.xbutton.button == 2) + b = 2; + else if (x_event.xbutton.button == 3) + b = 1; + if (b>=0) + Key_Event(K_MOUSE1 + b, false); + break; + case ConfigureNotify: + if (scr_width == x_event.xconfigure.width && + scr_height == x_event.xconfigure.height) { + break; + } + scr_width = x_event.xconfigure.width; + scr_height = x_event.xconfigure.height; + + if (scr_width < 320) scr_width = 320; + if (scr_height < 200) scr_height = 200; + + scr_width &= ~7; /* make it a multiple of eight */ + + XResizeWindow(dpy, win, scr_width, scr_height); + + vid.width = vid.conwidth = scr_width; + vid.height = scr_height; + + /* pick a conheight that matches with correct aspect */ + vid.conheight = vid.conwidth*3 / 4; + + vid.aspect = ((float)vid.height / (float)vid.width) + * (320.0 / 240.0); + + vid.recalc_refdef = 1; /* force a surface cache flush */ + Con_CheckResize(); + Con_Clear_f(); + break; + } + + if (mouse_shouldgrab != mouse_grabbed) { + do_grabs(mouse_shouldgrab); + } + if (vid_glx_fullscreen.value != fullscreen) { + do_fullscreen(vid_glx_fullscreen.value); + } +} + + +void +VID_Shutdown(void) +{ + if (!ctx) return; + + glXDestroyContext(dpy, ctx); + ctx = NULL; +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + if (hasvidmode) { + int i; + + for (i = 0; i < nummodes; i++) { + if (vidmodes[i]->private) XFree(vidmodes[i]->private); + } + XFree(vidmodes); + } +#endif + + XCloseDisplay(dpy); + dpy = NULL; +} + + +static void +signal_handler(int sig) +{ + printf("Received signal %d, exiting...\n", sig); + Sys_Quit(); + exit(sig); +} + +static 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) +{ +#ifdef _EXPERIMENTAL_ + VID_SetPalette(p); +#endif +} + +void VID_SetPalette (unsigned char *palette) +{ + byte *pal; + unsigned r,g,b; + unsigned v; + int r1,g1,b1; + int k; + unsigned short i; + unsigned *table; + FILE *f; + char s[255]; + float dist, bestdist; + static qboolean palflag = false; + +// +// 8 8 8 encoding +// +// Con_Printf("Converting 8to24\n"); + + 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<<16) + (g<<8) + (b<<0); +// v = (255<<0) + (r<<8) + (g<<16) + (b<<24); + v = (255<<24) + (r<<0) + (g<<8) + (b<<16); + *table++ = v; + } + d_8to24table[255] &= 0xffffff; // 255 is transparent + + // JACK: 3D distance calcs - k is last closest, l is the distance. + // FIXME: Precalculate this and cache to disk. + if (palflag) + return; + palflag = true; + + COM_FOpenFile("glquake/15to8.pal", &f); + if (f) { + fread(d_15to8table, 1<<15, 1, f); + fclose(f); + } else { + 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=10000.0; v<256; v++,pal+=4) { + r1 = (int)r - (int)pal[0]; + g1 = (int)g - (int)pal[1]; + b1 = (int)b - (int)pal[2]; + dist = sqrt(((r1*r1)+(g1*g1)+(b1*b1))); + if (dist < bestdist) { + k=v; + bestdist = dist; + } + } + d_15to8table[i]=k; + } + snprintf(s, sizeof(s), "%s/glquake", com_gamedir); + Sys_mkdir (s); + snprintf(s, sizeof(s), "%s/glquake/15to8.pal", com_gamedir); + if ((f = fopen(s, "wb")) != NULL) { + fwrite(d_15to8table, 1<<15, 1, f); + fclose(f); + } + } +} + + +/* +=============== +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); + + 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) +{ + *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; +} + +#ifdef GL_EXT_SHARED +void VID_Init8bitPalette() +{ + // Check for 8bit Extensions and initialize them. + int i; + char thePalette[256*3]; + char *oldPalette, *newPalette; + + if (strstr(gl_extensions, "GL_EXT_shared_texture_palette") == NULL) + return; + + 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++; + } + glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette); + is8bit = true; +} + +#else + +void VID_Init8bitPalette(void) +{ +} + +#endif + +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; + + S_Init(); + + Cvar_RegisterVariable(&vid_mode); + Cvar_RegisterVariable(&gl_ztrick); + Cvar_RegisterVariable(&_windowed_mouse); + Cvar_RegisterVariable(&vid_glx_fullscreen); +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + Cvar_RegisterVariable(&vid_dga_mouseaccel); +#endif + + 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("-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 = width; + + 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); + } + + screen = DefaultScreen(dpy); + root = RootWindow(dpy, screen); + + visinfo = glXChooseVisual(dpy, screen, attrib); + if (!visinfo) { + fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n"); + exit(1); + } + +#if defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + { + int maj_ver; + + hasdga = VID_CheckDGA(dpy, &maj_ver, NULL, &hasdgavideo); + if (!hasdga || maj_ver < 1) { + hasdga = hasdgavideo = 0; + } + } + hasvidmode = VID_CheckVMode(dpy, NULL, NULL); + if (hasvidmode) { + if (! XF86VidModeGetAllModeLines(dpy, DefaultScreen(dpy), + &nummodes, &vidmodes) + || nummodes <= 0) { + hasvidmode = 0; + } + } +#endif + /* window attributes */ + attr.background_pixel = 0; + attr.border_pixel = 0; + attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); + attr.event_mask = X_MASK; + mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; + + win = XCreateWindow(dpy, root, 0, 0, width, height, + 0, visinfo->depth, InputOutput, + visinfo->visual, mask, &attr); + XMapWindow(dpy, win); + + XSync(dpy, 0); + + 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(); + + snprintf(gldir, sizeof(gldir), "%s/OpenGL", 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 + + do_grabs(mouse_shouldgrab); +} + + +void Sys_SendKeyEvents(void) +{ + if (dpy) { + while (XPending(dpy)) + GetEvent(); + } +} + +void Force_CenterView_f (void) +{ + cl.viewangles[PITCH] = 0; +} + +void IN_Init(void) +{ +} + +void IN_Shutdown(void) +{ + if (dpy) { + do_grabs(0); + do_fullscreen(0); + } +} + +/* +=========== +IN_Commands +=========== +*/ +void IN_Commands (void) +{ +} + + +/* +=========== +IN_Move +=========== +*/ +void +IN_MouseMove(usercmd_t *cmd) +{ + if (m_filter.value) { + mouse_x = (mouse_x + old_mouse_x) * 0.5; + mouse_y = (mouse_y + old_mouse_y) * 0.5; + } + old_mouse_x = mouse_x; + old_mouse_y = mouse_y; + + mouse_x *= sensitivity.value; + mouse_y *= 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 * mouse_x; + } else { + cl.viewangles[YAW] -= m_yaw.value * mouse_x; + } + + if (in_mlook.state & 1) V_StopPitchDrift(); + + if ((in_mlook.state & 1) && !(in_strafe.state & 1)) { + cl.viewangles[PITCH] += m_pitch.value * mouse_y; + 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 * mouse_y; + } else { + cmd->forwardmove -= m_forward.value * mouse_y; + } + } + mouse_x = mouse_y = 0.0; +} + + +void IN_Move (usercmd_t *cmd) +{ + IN_MouseMove(cmd); +} + +void VID_ExtraOptionDraw(unsigned int options_draw_cursor) +{ + /* Windowed Mouse */ + M_Print(16, options_draw_cursor+=8, " Use Mouse"); + M_DrawCheckbox(220, options_draw_cursor, _windowed_mouse.value); + + +#if defined(XMESA) || (defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + /* Mesa has a fullscreen / windowed glx hack. */ + M_Print(16, options_draw_cursor+=8, " Fullscreen"); + M_DrawCheckbox(220, options_draw_cursor, vid_glx_fullscreen.value); +#endif + +} + +void VID_ExtraOptionCmd(int option_cursor) +{ + switch(option_cursor) { + case 1: // _windowed_mouse + Cvar_SetValue("_windowed_mouse", !_windowed_mouse.value); + break; + +#if defined(XMESA) || (defined(HAS_DGA) && defined(_EXPERIMENTAL_)) + case 2: + Cvar_SetValue ("vid_glx_fullscreen",!vid_glx_fullscreen.value); + break; +#endif + } +}