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fteqw/engine/sw/vid_x.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.
*/
// vid_x.c -- general x video driver
#define _BSD
#include "quakedef.h"
#include "d_local.h"
// these need to be fixed to assured n-bit types
typedef unsigned short PIXEL;
typedef unsigned int PIXEL32;
#include <ctype.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef __CYGWIN__
#include <cygwin/ipc.h>
#include <cygwin/shm.h>
#else
#include <sys/ipc.h>
#include <sys/shm.h>
#endif
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/extensions/XShm.h>
#ifdef __linux__
#define WITH_VMODE //undefine this if the following include fails.
#endif
#ifdef WITH_VMODE
#include <X11/extensions/xf86vmode.h>
#endif
#undef free
#ifdef __CYGWIN__
#define NOSHM
#endif
#define NOSHM
cvar_t m_filter = {"m_filter","0", NULL, CVAR_ARCHIVE};
cvar_t m_accel = {"m_accel", "0"};
#ifdef IN_XFLIP
cvar_t in_xflip = {"in_xflip", "0"};
#endif
static qboolean old_windowed_mouse;
static qboolean mouse_avail;
static qboolean mouseactive;
static int mouse_buttons=3;
static int mouse_oldbuttonstate;
static int mouse_buttonstate;
float mouse_x, mouse_y;
static float old_mouse_x, old_mouse_y;
static int p_mouse_x;
static int p_mouse_y;
static int ignorenext;
static int focusedapp;
typedef struct
{
int input;
int output;
} keymap_t;
viddef_t vid; // global video state
//unsigned short d_8to16table[256];
#ifdef RGLQUAKE
extern Display *vid_dpy;
#else
static Display *vid_dpy = NULL;
#endif
static Colormap x_cmap;
static Window x_win;
static GC x_gc;
static Visual *x_vis;
static XVisualInfo *x_visinfo;
//static XImage *x_image;
static qboolean oktodraw = false;
#ifndef NOSHM
static int x_shmeventtype;
static qboolean doShm;
int XShmQueryExtension(Display *);
int XShmGetEventBase(Display *);
static XShmSegmentInfo x_shminfo[2];
#endif
static int current_framebuffer;
static XImage *x_framebuffer[2] = { 0, 0 };
qbyte vid_curpal[768];
static long X11_highhunkmark;
static long X11_buffersize;
static int vid_surfcachesize;
static void *vid_surfcache;
static PIXEL st2d_8to16table[256];
static PIXEL32 st3d_8to32table[256];
static int shiftmask_fl=0;
static long r_shift,g_shift,b_shift;
static unsigned long r_mask,g_mask,b_mask;
void shiftmask_init()
{
unsigned int x;
r_mask=x_vis->red_mask;
g_mask=x_vis->green_mask;
b_mask=x_vis->blue_mask;
for(r_shift=-8,x=1;x<r_mask;x=x<<1)r_shift++;
for(g_shift=-8,x=1;x<g_mask;x=x<<1)g_shift++;
for(b_shift=-8,x=1;x<b_mask;x=x<<1)b_shift++;
shiftmask_fl=1;
redshift = 0;//r_shift;
greenshift = 5;//g_shift;
blueshift = 10;//b_shift;
redbits = 5;
greenbits = 5;
bluebits = 5;
}
PIXEL xlib_rgb(int r,int g,int b)
{
PIXEL p;
if(shiftmask_fl==0) shiftmask_init();
p=0;
if(r_shift>0) {
p=(r<<(r_shift))&r_mask;
} else if(r_shift<0) {
p=(r>>(-r_shift))&r_mask;
} else p|=(r&r_mask);
if(g_shift>0) {
p|=(g<<(g_shift))&g_mask;
} else if(g_shift<0) {
p|=(g>>(-g_shift))&g_mask;
} else p|=(g&g_mask);
if(b_shift>0) {
p|=(b<<(b_shift))&b_mask;
} else if(b_shift<0) {
p|=(b>>(-b_shift))&b_mask;
} else p|=(b&b_mask);
return p;
}
PIXEL32 xlib_rgb32(int r, int g, int b)
{
PIXEL32 p=0;
p = r<<16;
p|= g<<8;
p|= b;
return p;
}
void st2_fixup( XImage *framebuf, int x, int y, int width, int height)
{
int xi,yi;
unsigned char *src;
PIXEL *dest;
if (r_pixbytes == 2)
return;
if( (x<0)||(y<0) )return;
for (yi = y; yi < (y+height); yi++)
{
src = &framebuf->data [yi * framebuf->bytes_per_line];
dest = (PIXEL*)src;
for(xi = (x+width-1); xi >= x; xi--)
{
dest[xi] = st2d_8to16table[src[xi]];
}
}
}
void st3_fixup( XImage *framebuf, int x, int y, int width, int height)
{
int xi, yi;
unsigned char *src;
PIXEL32 *dest;
if (r_pixbytes == 4)
return;
for (yi = y; yi < (y+height); yi++)
{
src = &framebuf->data [yi * framebuf->bytes_per_line];
dest = (PIXEL32*)src;
for (xi = (x+width-1); xi >= x; xi--)
{
dest[xi] = st3d_8to32table[src[xi]];
}
}
}
// ========================================================================
// Tragic death handler
// ========================================================================
void TragicDeath(int signal_num)
{
XAutoRepeatOn(vid_dpy);
XCloseDisplay(vid_dpy);
vid_dpy = NULL;
Sys_Error("This death brought to you by the number %d\n", signal_num);
}
// ========================================================================
// makes a null cursor
// ========================================================================
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 ResetFrameBuffer(void)
{
int mem;
int pwidth;
if (x_framebuffer[0])
{
BZ_Free(x_framebuffer[0]->data);
free(x_framebuffer[0]);
}
if (d_pzbuffer)
{
D_FlushCaches ();
Hunk_FreeToHighMark (X11_highhunkmark);
d_pzbuffer = NULL;
}
X11_highhunkmark = Hunk_HighMark ();
// alloc an extra line in case we want to wrap, and allocate the z-buffer
X11_buffersize = vid.width * vid.height * sizeof (*d_pzbuffer);
vid_surfcachesize = D_SurfaceCacheForRes (vid.width, vid.height, 0);
X11_buffersize += vid_surfcachesize;
d_pzbuffer = Hunk_HighAllocName (X11_buffersize, "video");
if (d_pzbuffer == NULL)
Sys_Error ("Not enough memory for video mode\n");
vid_surfcache = (qbyte *) d_pzbuffer
+ vid.width * vid.height * sizeof (*d_pzbuffer);
D_InitCaches(vid_surfcache, vid_surfcachesize);
pwidth = x_visinfo->depth / 8;
if (pwidth == 3) pwidth = 4;
mem = ((vid.width*pwidth+7)&~7) * vid.height * r_pixbytes;
x_framebuffer[0] = XCreateImage( vid_dpy,
x_vis,
x_visinfo->depth,
ZPixmap,
0,
BZ_Malloc(mem),
vid.width, vid.height,
32,
0);
if (!x_framebuffer[0])
Sys_Error("VID: XCreateImage failed\n");
vid.buffer = (qbyte*) (x_framebuffer[0]->data);
vid.conbuffer = vid.buffer;
}
#ifndef NOSHM
void ResetSharedFrameBuffers(void)
{
int size;
int key;
int minsize = getpagesize();
int frm;
if (d_pzbuffer)
{
D_FlushCaches ();
Hunk_FreeToHighMark (X11_highhunkmark);
d_pzbuffer = NULL;
}
X11_highhunkmark = Hunk_HighMark ();
// alloc an extra line in case we want to wrap, and allocate the z-buffer
X11_buffersize = vid.width * vid.height * sizeof (*d_pzbuffer);
vid_surfcachesize = D_SurfaceCacheForRes (vid.width, vid.height, 0);
X11_buffersize += vid_surfcachesize;
d_pzbuffer = Hunk_HighAllocName (X11_buffersize, "video");
if (d_pzbuffer == NULL)
Sys_Error ("Not enough memory for video mode\n");
vid_surfcache = (qbyte *) d_pzbuffer
+ vid.width * vid.height * sizeof (*d_pzbuffer);
D_InitCaches(vid_surfcache, vid_surfcachesize);
for (frm=0 ; frm<2 ; frm++)
{
// free up old frame buffer memory
if (x_framebuffer[frm])
{
XShmDetach(vid_dpy, &x_shminfo[frm]);
free(x_framebuffer[frm]);
shmdt(x_shminfo[frm].shmaddr);
}
// create the image
x_framebuffer[frm] = XShmCreateImage( vid_dpy,
x_vis,
x_visinfo->depth,
ZPixmap,
0,
&x_shminfo[frm],
vid.width,
vid.height );
// grab shared memory
size = x_framebuffer[frm]->bytes_per_line*r_pixbytes
* x_framebuffer[frm]->height;
if (size < minsize)
Sys_Error("VID: Window must use at least %d bytes\n", minsize);
key = random();
x_shminfo[frm].shmid = shmget((key_t)key, size, IPC_CREAT|0777);
if (x_shminfo[frm].shmid==-1)
Sys_Error("VID: Could not get any shared memory\n");
// attach to the shared memory segment
x_shminfo[frm].shmaddr =
(void *) shmat(x_shminfo[frm].shmid, 0, 0);
printf("VID: shared memory id=%d, addr=0x%lx\n", x_shminfo[frm].shmid,
(long) x_shminfo[frm].shmaddr);
x_framebuffer[frm]->data = x_shminfo[frm].shmaddr;
// get the X server to attach to it
if (!XShmAttach(vid_dpy, &x_shminfo[frm]))
Sys_Error("VID: XShmAttach() failed\n");
XSync(vid_dpy, 0);
shmctl(x_shminfo[frm].shmid, IPC_RMID, 0);
}
}
#endif
int X_TryChangeResolution(int trywidth, int tryheight, int onscreen)
{
#ifdef WITH_VMODE
int MajorVersion = 0, MinorVersion = 0;
int vidmode_ext;
int vidmode_usemode;
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;
}
vidmode_usemode = -1;
if (vidmode_ext)
{
int best_fit, best_dist, dist, x, y;
int i;
int num_vidmodes;
XF86VidModeModeInfo **vidmodes;
XF86VidModeGetAllModeLines(vid_dpy, onscreen, &num_vidmodes, &vidmodes);
// Are we going fullscreen? If so, let's change video mode
{
best_dist = 9999999;
best_fit = -1;
for (i = 0; i < num_vidmodes; i++)
{
if (trywidth > vidmodes[i]->hdisplay ||
tryheight > vidmodes[i]->vdisplay)
continue;
x = trywidth - vidmodes[i]->hdisplay;
y = tryheight - 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")))
{
vid.width = vidmodes[best_fit]->hdisplay;
vid.height = vidmodes[best_fit]->vdisplay;
// if (best_dist)
Con_Printf("Matched res to %ix%i\n", vid.width, vid.height);
// change to the mode
XF86VidModeSwitchToMode(vid_dpy, onscreen, vidmodes[vidmode_usemode=best_fit]);
// vidmode_active = true;
// Move the viewport to top left
XF86VidModeSetViewPort(vid_dpy, onscreen, 0, 0);
return true;
}
}
}
#endif
return false;
}
void X_StoreIconData(unsigned long *data, unsigned int elems)
{
Atom propname = XInternAtom(vid_dpy, "_NET_WM_ICON", false);
Atom proptype = XInternAtom(vid_dpy, "CARDINAL", false);
XChangeProperty(vid_dpy, x_win, propname, proptype, 32, PropModeReplace, (void*)data, elems);
}
void X_SetWMHints(void)
{ //this entire function is to appease wmaker
char *fakeappname[] = {"false", NULL};
XWMHints wmhints;
XClassHint clshint;
//the classname (the thing that never changes, as opposed to what the app says it is)
memset(&clshint, 0, sizeof(clshint));
clshint.res_name = "FTEQuakeWorld";
clshint.res_class = "FTEQW";
XSetClassHint(vid_dpy, x_win, &clshint);
//the command to restart the app (no idea why wmaker wants this
XSetCommand(vid_dpy, x_win, fakeappname, 1);
memset(&wmhints, 0, sizeof(wmhints));
wmhints.flags = InputHint|StateHint|WindowGroupHint;
wmhints.input = true; //give us input!!!
wmhints.initial_state = NormalState;
wmhints.window_group = x_win; //this is the only bit that is really required
XSetWMHints(vid_dpy, x_win, &wmhints);
}
#include "bymorphed.h"
void X_StoreIcon(void)
{
int i;
int elems;
unsigned long data[64*64+2]; //xlib requires long, even on 64bit
unsigned int *indata;
indata = (unsigned int*)icon.pixel_data;
X_SetWMHints();
memset(data, 0, sizeof(data));
data[0] = icon.width;
data[1] = icon.height;
elems = data[0]*data[1]+2;
for (i = 0; i < data[0]*data[1]; i++)
{
data[i+2] = indata[i];
}
X_StoreIconData(data, elems);
}
// Called at startup to set up translation tables, takes 256 8 bit RGB values
// the palette data will go away after the call, so it must be copied off if
// the video driver will need it again
qboolean SWVID_Init (rendererstate_t *info, unsigned char *palette)
{
int pnum, i;
XVisualInfo template;
int num_visuals;
int template_mask;
S_Startup();
ignorenext=0;
vid.width = info->width;
vid.height = info->height;
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
vid.numpages = 2;
vid.colormap = host_colormap;
// vid.cbits = VID_CBITS;
// vid.grades = VID_GRADES;
r_pixbytes = info->bpp/8;
srandom(getpid());
// open the display
if (!vid_dpy)
vid_dpy = XOpenDisplay(0);
if (!vid_dpy)
{
if (getenv("DISPLAY"))
Con_Printf("VID: Could not open display [%s]\n",
getenv("DISPLAY"));
else
Con_Printf("VID: Could not open local display\n");
return false;
}
// catch signals so i can turn on auto-repeat
{
struct sigaction sa;
sigaction(SIGINT, 0, &sa);
sa.sa_handler = TragicDeath;
sigaction(SIGINT, &sa, 0);
sigaction(SIGTERM, &sa, 0);
}
// XAutoRepeatOff(vid_dpy);
// for debugging only
XSynchronize(vid_dpy, True);
template_mask = 0;
// specify a visual id
if ((pnum=COM_CheckParm("-visualid")))
{
if (pnum >= com_argc-1)
Sys_Error("VID: -visualid <id#>\n");
template.visualid = Q_atoi(com_argv[pnum+1]);
template_mask = VisualIDMask;
}
// If not specified, use default visual
else
{
int screen;
screen = XDefaultScreen(vid_dpy);
template.visualid =
XVisualIDFromVisual(XDefaultVisual(vid_dpy, screen));
template_mask = VisualIDMask;
}
// pick a visual- warn if more than one was available
x_visinfo = XGetVisualInfo(vid_dpy, template_mask, &template, &num_visuals);
if (num_visuals > 1)
{
Con_Printf("Found more than one visual id at depth %d:\n", template.depth);
for (i=0 ; i<num_visuals ; i++)
Con_Printf(" -visualid %d\n", (int)(x_visinfo[i].visualid));
}
else if (num_visuals == 0)
{
if (template_mask == VisualIDMask)
{
Con_Printf("VID: Bad visual id %d\n", template.visualid);
return false;
}
else
{
Con_Printf("VID: No visuals at depth %d\n", template.depth);
return false;
}
}
Con_DPrintf("Using visualid %d:\n", (int)(x_visinfo->visualid));
Con_DPrintf(" screen %d\n", x_visinfo->screen);
Con_DPrintf(" red_mask 0x%x\n", (int)(x_visinfo->red_mask));
Con_DPrintf(" green_mask 0x%x\n", (int)(x_visinfo->green_mask));
Con_DPrintf(" blue_mask 0x%x\n", (int)(x_visinfo->blue_mask));
Con_DPrintf(" colormap_size %d\n", x_visinfo->colormap_size);
Con_DPrintf(" bits_per_rgb %d\n", x_visinfo->bits_per_rgb);
//our rendering works in 8, 16, or 32 bpp.
//only 8bpp is scaled to the x server's depth.
//the others break if they arn't rendered at the same depth as they are displayed.
//this is where we scale things down.
if (info->bpp == 16 && x_visinfo->depth != 16 && x_visinfo->depth != 15)
{
Con_Printf("Forcing 8 bit rendering\n");
r_pixbytes = 1;
}
else if (info->bpp == 32 && x_visinfo->depth < 24)
{
Con_Printf("Forcing 8 bit rendering\n");
r_pixbytes = 1;
}
x_vis = x_visinfo->visual;
// setup attributes for main window
{
int attribmask = CWEventMask | CWColormap | CWBorderPixel;
XSetWindowAttributes attribs;
Colormap tmpcmap;
tmpcmap = XCreateColormap(vid_dpy, XRootWindow(vid_dpy,
x_visinfo->screen), x_vis, AllocNone);
attribs.event_mask = StructureNotifyMask | KeyPressMask
| KeyReleaseMask | ExposureMask | PointerMotionMask |
ButtonPressMask | ButtonReleaseMask | FocusChangeMask;
attribs.border_pixel = 0;
attribs.colormap = tmpcmap;
// create the main window
x_win = XCreateWindow( vid_dpy,
XRootWindow(vid_dpy, x_visinfo->screen),
0, 0, // x, y
vid.width, vid.height,
0, // borderwidth
x_visinfo->depth,
InputOutput,
x_vis,
attribmask,
&attribs );
XStoreName( vid_dpy,x_win,"FTE QuakeWorld");
XSetIconName(vid_dpy, x_win, "FTEQW");
if (x_visinfo->class != TrueColor)
XFreeColormap(vid_dpy, tmpcmap);
}
if (info->fullscreen)
{
Atom val = XInternAtom(vid_dpy, "_NET_WM_STATE_FULLSCREEN", false);
if (X_TryChangeResolution(info->width, info->height, x_visinfo->screen))
{
//kill off borders and everything else
XChangeProperty(vid_dpy, x_win, XInternAtom(vid_dpy, "_NET_WM_STATE", false), XInternAtom(vid_dpy, "ATOM", false), 32, PropModeAppend, (void*)&val, 1);
//make sure that we do take the full screen, even if the res chosen was a best-fit
printf("%ix%i\n", vid.width, vid.height);
// XMoveResizeWindow(vid_dpy, x_win, 0, 0, vid.width, vid.height);
}
}
X_StoreIcon();
if (x_visinfo->depth == 8)
{
// create and upload the palette
if (x_visinfo->class == PseudoColor)
{
x_cmap = XCreateColormap(vid_dpy, x_win, x_vis, AllocAll);
VID_SetPalette(palette);
XSetWindowColormap(vid_dpy, x_win, x_cmap);
}
}
// inviso cursor
XDefineCursor(vid_dpy, x_win, CreateNullCursor(vid_dpy, x_win));
// create the GC
{
XGCValues xgcvalues;
int valuemask = GCGraphicsExposures;
xgcvalues.graphics_exposures = False;
x_gc = XCreateGC(vid_dpy, x_win, valuemask, &xgcvalues );
}
shiftmask_init();
if (r_pixbytes == 2) //16 bit needs a 16 bit colormap.
{
extern qbyte gammatable[256];
int j, i;
float f;
int r, g, b;
unsigned short *data;
unsigned char *pal = host_basepal;
shiftmask_init();
// r_flushcache++;
if (!vid.colormap16)
vid.colormap16 = BZ_Malloc(sizeof(short)*256*VID_GRADES+sizeof(int));
data = vid.colormap16;
for (j = 0; j < VID_GRADES; j++)
{
f = (1 - ((float)j/VID_GRADES));
f = (float)gammatable[(int)(f*255)]/255;
f *= 2;
for (i = 0; i < 256; i++)
{
r = pal[i*3+0]*f;
g = pal[i*3+1]*f;
b = pal[i*3+2]*f;
if (r > 255)
r = 255;
if (g > 255)
g = 255;
if (b > 255)
b = 255;
r >>= 8 - redbits;
g >>= 8 - greenbits;
b >>= 8 - bluebits;
data[i] = (r<<redshift) + (g<<greenshift) + (b<<blueshift);
}
data+=256;
}
}
// map the window
XMapWindow(vid_dpy, x_win);
// wait for first exposure event
{
XEvent event;
do
{
XNextEvent(vid_dpy, &event);
Con_Printf("Event %i\n", event.type);
if (event.type == Expose && !event.xexpose.count)
oktodraw = true;
} while (!oktodraw);
}
// now safe to draw
#ifndef NOSHM
// even if MITSHM is available, make sure it's a local connection
if (XShmQueryExtension(vid_dpy))
{
char *displayname;
doShm = true;
displayname = (char *) getenv("DISPLAY");
if (displayname)
{
char *d = displayname;
while (*d && (*d != ':')) d++;
if (*d) *d = 0;
if (!(!strcasecmp(displayname, "unix") || !*displayname))
doShm = false;
}
}
if (doShm)
{
x_shmeventtype = XShmGetEventBase(vid_dpy) + ShmCompletion;
ResetSharedFrameBuffers();
}
else
#endif
ResetFrameBuffer();
current_framebuffer = 0;
vid.rowbytes = x_framebuffer[0]->bytes_per_line/r_pixbytes;
vid.buffer = x_framebuffer[0]->data;
vid.direct = 0;
vid.conbuffer = x_framebuffer[0]->data;
vid.conrowbytes = vid.rowbytes;
vid.conwidth = vid.width;
vid.conheight = vid.height;
vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0);
// XSynchronize(vid_dpy, False);
return true;
}
void SWVID_ShiftPalette(unsigned char *p)
{
SWVID_SetPalette(p);
}
void SWVID_SetPalette(unsigned char *palette)
{
int i;
XColor colors[256];
for(i=0;i<256;i++)
{
st2d_8to16table[i]= xlib_rgb(palette[i*3],
palette[i*3+1],palette[i*3+2]);
st3d_8to32table[i]= xlib_rgb32(palette[i*3],
palette[i*3+1],palette[i*3+2]);
d_8to24bgrtable[i] = (palette[i*3+0]<<16) + (palette[i*3+1]<<8) + (palette[i*3+2]<<0);
}
if (x_visinfo->class == PseudoColor && x_visinfo->depth == 8)
{
for (i=0 ; i<256 ; i++)
{
colors[i].pixel = i;
colors[i].flags = DoRed|DoGreen|DoBlue;
colors[i].red = palette[i*3] * 257;
colors[i].green = palette[i*3+1] * 257;
colors[i].blue = palette[i*3+2] * 257;
}
XStoreColors(vid_dpy, x_cmap, colors, 256);
}
if (palette != vid_curpal)
memcpy(vid_curpal, palette, 768);
}
// Called at shutdown
void SWVID_Shutdown (void)
{
Con_Printf("VID_Shutdown\n");
if (vid_dpy)
{
XUngrabPointer(vid_dpy,CurrentTime);
XAutoRepeatOn(vid_dpy);
if (x_win)
XDestroyWindow(vid_dpy, x_win);
}
// XCloseDisplay(vid_dpy);
// vid_dpy = NULL;
}
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 = K_AUX30; break;
case XK_Insert:
case XK_KP_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';
// fprintf(stdout, "case 0x0%x: key = ___;break;/* [%c] */\n", keysym);
break;
}
return key;
}
struct
{
int key;
int down;
unsigned int unicode;
} keyq[64];
int keyq_head=0;
int keyq_tail=0;
int config_notify=0;
int config_notify_width;
int config_notify_height;
void GetEvent(void)
{
qboolean grabmouse;
XEvent x_event;
int b;
XNextEvent(vid_dpy, &x_event);
switch(x_event.type) {
case KeyPress:
keyq[keyq_head].key = XLateKey(&x_event.xkey, &keyq[keyq_head].unicode);
keyq[keyq_head].down = true;
keyq_head = (keyq_head + 1) & 63;
break;
case KeyRelease:
keyq[keyq_head].key = XLateKey(&x_event.xkey, NULL);
keyq[keyq_head].unicode = 0;
keyq[keyq_head].down = false;
keyq_head = (keyq_head + 1) & 63;
break;
case MotionNotify:
if (old_windowed_mouse)
{
mouse_x = (float) ((int)x_event.xmotion.x - (int)(vid.width/2));
mouse_y = (float) ((int)x_event.xmotion.y - (int)(vid.height/2));
//printf("m: x=%d,y=%d, mx=%3.2f,my=%3.2f\n",
// x_event.xmotion.x, x_event.xmotion.y, mouse_x, mouse_y);
/* move the mouse to the window center again */
XSelectInput(vid_dpy,x_win,StructureNotifyMask|KeyPressMask
|KeyReleaseMask|ExposureMask
|ButtonPressMask
|ButtonReleaseMask);
XWarpPointer(vid_dpy,None,x_win,0,0,0,0,
(vid.width/2),(vid.height/2));
XSelectInput(vid_dpy,x_win,StructureNotifyMask|KeyPressMask
|KeyReleaseMask|ExposureMask
|PointerMotionMask|ButtonPressMask
|ButtonReleaseMask);
}
else
{
mouse_x = (float) (x_event.xmotion.x-p_mouse_x);
mouse_y = (float) (x_event.xmotion.y-p_mouse_y);
p_mouse_x=x_event.xmotion.x;
p_mouse_y=x_event.xmotion.y;
}
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;
else if (x_event.xbutton.button == 4)
b = 4;
else if (x_event.xbutton.button == 5)
b = 5;
if (b>=0)
mouse_buttonstate |= 1<<b;
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;
else if (x_event.xbutton.button == 4)
b = 4;
else if (x_event.xbutton.button == 5)
b = 5;
if (b>=0)
mouse_buttonstate &= ~(1<<b);
break;
case ConfigureNotify:
//printf("config notify\n");
config_notify_width = x_event.xconfigure.width;
config_notify_height = x_event.xconfigure.height;
config_notify = 1;
break;
case FocusIn:
for (b = 0; b < 256; b++)
Key_Event(b, 0, false);
focusedapp = true;
break;
case FocusOut:
focusedapp = false;
break;
default:
#ifndef NOSHM
if (doShm && x_event.type == x_shmeventtype)
oktodraw = true;
#endif
break;
}
grabmouse = _windowed_mouse.value && focusedapp;
if (key_dest == key_console)
grabmouse = false;
if (!mouseactive)
grabmouse = false; //nomouse is a misnomer
if (old_windowed_mouse != grabmouse)
{
old_windowed_mouse = grabmouse;
if (!grabmouse)
{
/* ungrab the pointer */
XUngrabPointer(vid_dpy,CurrentTime);
}
else
{
/* grab the pointer */
XGrabPointer(vid_dpy,x_win,True,0,GrabModeAsync,
GrabModeAsync,x_win,None,CurrentTime);
/* make the keyboard follow the mouse too (wmaker doesn't activate us) */
XSetInputFocus(vid_dpy, x_win, RevertToPointerRoot, CurrentTime);
}
}
}
// flushes the given rectangles from the view buffer to the screen
void SWVID_Update (vrect_t *rects)
{
// if the window changes dimension, skip this frame
if (config_notify)
{
int ow, oh;
ow = vid.width;
oh = vid.height;
config_notify = 0;
vid.width = config_notify_width & ~7;
vid.height = config_notify_height;
if (ow != vid.width || oh != vid.height) //did the size actually change?
{ //yes
#ifndef NOSHM
if (doShm)
ResetSharedFrameBuffers();
else
#endif
ResetFrameBuffer();
vid.rowbytes = x_framebuffer[0]->bytes_per_line/r_pixbytes;
vid.buffer = x_framebuffer[current_framebuffer]->data;
vid.conbuffer = vid.buffer;
vid.conwidth = vid.width;
vid.conheight = vid.height;
vid.conrowbytes = vid.rowbytes;
vid.recalc_refdef = 1; // force a surface cache flush
Con_CheckResize();
Con_Clear_f();
return;
}
}
#ifndef NOSHM
if (doShm)
{
while (rects)
{
if (x_visinfo->depth == 16)
st2_fixup( x_framebuffer[current_framebuffer],
rects->x, rects->y, rects->width,
rects->height);
if (x_visinfo->depth == 24)
st3_fixup( x_framebuffer[current_framebuffer],
rects->x, rects->y, rects->width,
rects->height);
if (!XShmPutImage(vid_dpy, x_win, x_gc,
x_framebuffer[current_framebuffer], rects->x, rects->y,
rects->x, rects->y, rects->width, rects->height, True))
Sys_Error("VID_Update: XShmPutImage failed\n");
oktodraw = false;
while (!oktodraw) GetEvent();
rects = rects->pnext;
}
current_framebuffer = !current_framebuffer;
vid.buffer = x_framebuffer[current_framebuffer]->data;
vid.conbuffer = vid.buffer;
XSync(vid_dpy, False);
}
else
#endif
{
while (rects)
{
if (x_visinfo->depth == 16)
st2_fixup( x_framebuffer[current_framebuffer],
rects->x, rects->y, rects->width,
rects->height);
else if (x_visinfo->depth == 24)
st3_fixup( x_framebuffer[current_framebuffer],
rects->x, rects->y, rects->width,
rects->height);
XPutImage(vid_dpy, x_win, x_gc, x_framebuffer[0], rects->x,
rects->y, rects->x, rects->y, rects->width, rects->height);
rects = rects->pnext;
}
XSync(vid_dpy, False);
}
}
#ifdef RGLQUAKE
void GLSys_SendKeyEvents(void); //merged.
#endif
void Sys_SendKeyEvents(void)
{
#ifdef RGLQUAKE
if (qrenderer != QR_SOFTWARE)
{
GLSys_SendKeyEvents();
return;
}
#endif
// get events from x server
if (vid_dpy)
{
while (XPending(vid_dpy)) GetEvent();
while (keyq_head != keyq_tail)
{
Key_Event(keyq[keyq_tail].key, keyq[keyq_tail].unicode, keyq[keyq_tail].down);
keyq_tail = (keyq_tail + 1) & 63;
}
}
}
#if 0
char *Sys_ConsoleInput (void)
{
static char text[256];
int len;
fd_set readfds;
int ready;
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 0;
FD_ZERO(&readfds);
FD_SET(0, &readfds);
ready = select(1, &readfds, 0, 0, &timeout);
if (ready>0)
{
len = read (0, text, sizeof(text));
if (len >= 1)
{
text[len-1] = 0; // rip off the /n and terminate
return text;
}
}
return 0;
}
#endif
void SWD_BeginDirectRect (int x, int y, qbyte *pbitmap, int width, int height)
{
// direct drawing of the "accessing disk" icon isn't supported under Linux
}
void SWD_EndDirectRect (int x, int y, int width, int height)
{
// direct drawing of the "accessing disk" icon isn't supported under Linux
}
void IN_ReInit(void)
{
if ( COM_CheckParm ("-nomouse") )
return;
mouse_x = mouse_y = 0.0;
mouseactive = mouse_avail = 1;
}
void IN_Init (void)
{
Cvar_Register (&_windowed_mouse, "Input Controls");
Cvar_Register (&m_filter, "Input Controls");
Cvar_Register (&m_accel, "Input Controls");
#ifdef IN_XFLIP
Cvar_Register (&in_xflip, "Input Controls");
#endif
IN_ReInit();
}
void IN_Shutdown (void)
{
mouseactive = mouse_avail = 0;
focusedapp = false;
}
void IN_Commands (void)
{
int i;
if (!mouse_avail) return;
for (i=0 ; i<mouse_buttons ; i++)
{
if ( (mouse_buttonstate & (1<<i)) && !(mouse_oldbuttonstate & (1<<i)) )
Key_Event (K_MOUSE1 + i, 0, true);
if ( !(mouse_buttonstate & (1<<i)) && (mouse_oldbuttonstate & (1<<i)) )
Key_Event (K_MOUSE1 + i, 0, false);
}
mouse_oldbuttonstate = mouse_buttonstate;
}
extern int mousecursor_x, mousecursor_y;
void IN_Move (float *movements, int pnum)
{
float mx, my;
float mouse_deltadist;
if (!mouse_avail)
{
mousecursor_x = p_mouse_x; //absolute offsets.
mousecursor_y = p_mouse_y;
return;
}
if (pnum != 0)
return; //we're lazy today.
mousecursor_x += mouse_x;
mousecursor_y += mouse_y;
if (mousecursor_x < 0)
mousecursor_x = 0;
if (mousecursor_y < 0)
mousecursor_y = 0;
if (mousecursor_x > vid.width)
mousecursor_x = vid.width;
if (mousecursor_y > vid.height)
mousecursor_y = vid.height;
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)
{
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;
}
#ifdef IN_XFLIP
if(in_xflip.value) mouse_x *= -1;
#endif
if (movements)
{
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 SWVID_LockBuffer (void)
{
}
void SWVID_UnlockBuffer (void)
{
}
int SWVID_ForceUnlockedAndReturnState (void)
{
return 0;
}
void SWVID_ForceLockState (int lk)
{
}
void SWVID_SetCaption(char *text)
{
XStoreName(vid_dpy, x_win, text);
}
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