void I_InitGraphics(void)
{
const char* displayname = NULL;
int n;
int pnum;
int x=0;
int y=0;
{
static int firsttime=1;
if (!firsttime) {
return;
}
firsttime = 0;
}
{ // Check for screen enlargement
char str[3] = { '-', 0, 0 };
for (n=1; n<4; n++) {
str[1] = n + '0';
if (M_CheckParm(str)) multiply = n;
}
}
X_width = SCREENWIDTH * multiply;
X_height = SCREENHEIGHT * multiply;
// check for command-line geometry
if ( (pnum=M_CheckParm("-geom")) ? 1 : (pnum=M_CheckParm("-geometry")))
if (pnum+1 < myargc) { // check parm given
// warning: char format, different type arg
char xsign=' ';
char ysign=' ';
const char* pg = myargv[pnum+1];
pg += strcspn(pg, "+-");
// warning: char format, different type arg 3,5
n = sscanf(pg, "%c%d%c%d", &xsign, &x, &ysign, &y);
if (n==2)
x = y = 0;
else if (n==4) {
if (xsign == '-')
x = -x;
if (ysign == '-')
y = -y;
} else
fprintf(stderr, "I_InitGraphics: bad -geom offsets \"%s\"\n", pg);
}
// check for command-line display name
if ( (pnum=M_CheckParm("-disp")) ) // suggest parentheses around assignment
displayname = myargv[pnum+1];
// CPhipps - support more standard -display param
if ( (pnum=M_CheckParm("-display")) ) // ditto
displayname = myargv[pnum+1];
// CPhipps - and -displayname as for xterm
if ( (pnum=M_CheckParm("-displayname")) ) // ditto
displayname = myargv[pnum+1];
// open the display
if (!(X_display = XOpenDisplay(displayname))) {
if (displayname)
I_Error("Could not open display [%s]", displayname);
else
I_Error("Could not open display (DISPLAY=[%s])", getenv("DISPLAY"));
}
// use the default visual
X_screen = DefaultScreen(X_display);
X_deletewin = XInternAtom(X_display, "WM_DELETE_WINDOW", False);
// check for the MITSHM extension
// even if it's available, make sure it's a local connection
lprintf(LO_INFO,"I_InitGraphics:");
#ifdef HAVE_LIBXXF86DGA
if ((doDga = (M_CheckParm("-dga") && XF86DGAQueryExtension(X_display, &n, &n)) )) {
lprintf(LO_INFO,"I_InitGraphics: found DGA extension\n");
if (M_CheckParm("-noaccel") || (X_opt & 1)) doDga = false;
else lprintf(LO_INFO, "(using DGA)");
}
else
#endif
#ifdef HAVE_LIBXEXT
if ((doShm = XShmQueryExtension(X_display))) {
if (!displayname) displayname = getenv("DISPLAY");
if (displayname) {
// CPhipps - don't modify the original string, please.
// - oops my code here was totally wrong
// I have no idea exactly what should go here.
if (M_CheckParm("-noaccel") || (X_opt & 1)) doShm = false;
else lprintf(LO_INFO, "(using MITShm)");
}
}
else
#endif
if (devparm)
fprintf(stderr, "No MITShm extension in server");
if (devparm)
fputc('\n', stderr);
if ((X_visual = I_FindMode(X_screen)) == NULL)
I_Error("Unsupported visual");
// create the colormap
X_cmap = XCreateColormap(X_display, RootWindow(X_display, X_screen),
X_visual, true_color ? AllocNone : AllocAll);
#ifdef HAVE_LIBXXF86DGA
/* setup for DGA */
if(doDga) {
char *fb;
X_mainWindow=RootWindow(X_display, X_screen);
XF86DGAGetViewPortSize(X_display, X_screen, &DGA_width, &DGA_height);
XF86DGAGetVideo(X_display, X_screen, &fb,
&DGA_real_width, &DGA_pagelen, &DGA_memlen);
fprintf(stderr,
"I_InitGraphics: DGA reports %dx%d scan=%d page=%d mem=%d\n",
DGA_width,DGA_height,DGA_real_width,DGA_pagelen,DGA_memlen);
out_buffer=(void*)fb;
XF86DGADirectVideo(X_display, X_screen, XF86DGADirectGraphics);
XF86DGASetVidPage(X_display, X_screen, 0);
XF86DGAForkApp(X_screen);
XSelectInput(X_display, X_mainWindow, KeyPressMask | KeyReleaseMask);
fprintf(stderr,"DGA framebuffer @%p\n",fb);
memset(fb,0,102400);
}
#endif
#ifdef HAVE_LIBXXF86DGA
if(!doDga)
#endif
{ // setup attributes for main window
unsigned long attribmask;
XSetWindowAttributes attribs;
attribmask = CWEventMask | CWColormap | CWBorderPixel;
attribs.event_mask = KeyPressMask | KeyReleaseMask
#ifdef MONITOR_VISIBILITY
| VisibilityChangeMask
#endif
| ExposureMask;
attribs.colormap = X_cmap;
attribs.border_pixel = 0;
// create the main window
X_mainWindow = XCreateWindow( X_display,
RootWindow(X_display, X_screen),
x, y,
X_width, X_height,
0, // borderwidth
X_bpp, // depth
InputOutput, X_visual,
attribmask, &attribs );
}
#ifdef HAVE_LIBXXF86DGA
if(!doDga)
#endif
{
XClassHint c_hint;
XTextProperty x_name;
XSizeHints s_hint;
XWMHints wm_hint;
char lcase_buf[10], ucase_buf[10];
char* str;
strcpy(str = lcase_buf, lcase_lxdoom);
XStringListToTextProperty(&str, 1, &x_name);
s_hint.flags = PSize | PMinSize | PMaxSize;
s_hint.min_width = s_hint.max_width = s_hint.base_width = X_width;
s_hint.min_height = s_hint.max_height = s_hint.base_height = X_height;
wm_hint.input = True;
wm_hint.window_group = X_mainWindow;
wm_hint.flags = InputHint | WindowGroupHint;
strcpy(c_hint.res_name = lcase_buf, lcase_lxdoom);
strcpy(c_hint.res_class = ucase_buf, ucase_lxdoom);
XSetWMProtocols(X_display, X_mainWindow, &X_deletewin, 1);
XSetWMProperties(X_display, X_mainWindow, &x_name, &x_name,
(char**)myargv, myargc, &s_hint, &wm_hint, &c_hint);
XFlush(X_display);
}
#ifdef HAVE_LIBXXF86DGA
if(!doDga)
#endif
// Hide pointer while over this window
XDefineCursor(X_display, X_mainWindow,
I_XCreateNullCursor( X_display, X_mainWindow ) );
{ // create the GC
XGCValues xgcvalues;
int valuemask;
valuemask = GCGraphicsExposures;
xgcvalues.graphics_exposures = False;
X_gc = XCreateGC(X_display, X_mainWindow, valuemask, &xgcvalues);
}
#ifdef HAVE_LIBXXF86DGA
if(!doDga)
#endif
{
// name the window
XStoreName(X_display, X_mainWindow, "lxdoom");
// map the window
XMapWindow(X_display, X_mainWindow);
}
// wait until it is OK to draw
#ifdef HAVE_LIBXXF86DGA
if(!doDga)
#endif
do {
XNextEvent(X_display, &X_event);
} while (!(X_event.type == Expose && !X_event.xexpose.count));
#ifdef HAVE_LIBXXF86DGA
if(doDga) {}
else
#endif
#ifdef HAVE_LIBXEXT
if (doShm) {
X_shmeventtype = XShmGetEventBase(X_display) + ShmCompletion;
// create the image
image = XShmCreateImage( X_display, X_visual,
X_bpp, ZPixmap,
0, &X_shminfo,
X_width, X_height );
I_XShmGrabSharedMemory(image->bytes_per_line * image->height);
if (!(out_buffer = (pval*)image->data)) {
perror("");
I_Error("shmat() failed in I_InitGraphics()");
}
// get the X server to attach to it
if (!XShmAttach(X_display, &X_shminfo))
I_Error("XShmAttach() failed in InitGraphics()");
if (!expand_buffer) {
// Render directly into MitSHM memory
Z_Free(screens[0]);
screens[0] = (unsigned char *) (image->data);
}
} else
#endif
{
if (!expand_buffer) {
// Very efficient, render directly into image
out_buffer = (pval*)screens[0];
} else {
// Will have to enlarge from rendering buffer
// into image buffer
out_buffer = (pval*)malloc (X_width * X_height * BYTESPP);
}
{
/* hack to enable 15 bpp usage */
int bpp=X_bpp;
if(bpp==15)bpp=16;
image=XCreateImage( X_display, X_visual,
X_bpp, ZPixmap,
0, (char*)out_buffer,
X_width, X_height,
bpp, 0);
#ifdef NOT_NOW
image=XCreateImage( X_display, X_visual,
X_bpp, ZPixmap,
0, (char*)out_buffer,
X_width, X_height,
X_bpp, 0);
#endif
}
if (!image)
I_Error("XCreateImage: failed to create image %dx%d %d bpp",
X_width, X_height, X_bpp);
}
atexit(I_ShutdownGraphics);
I_XInitInputs();
}
static int config(uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height,
uint32_t flags, char *title, uint32_t format)
{
int x_off, y_off;
int wanted_width, wanted_height;
static unsigned char *vo_dga_base;
static int prev_width, prev_height;
#ifdef HAVE_DGA2
// needed to change DGA video mode
int mX = VO_DGA_INVALID_RES, mY = VO_DGA_INVALID_RES, mVBI =
100000, mMaxY = 0, i, j = 0;
int dga_modenum;
XDGAMode *modeline;
XDGADevice *dgadevice;
#else
#ifdef HAVE_XF86VM
unsigned int vm_event, vm_error;
unsigned int vm_ver, vm_rev;
int i, j = 0, have_vm = 0;
int mX = VO_DGA_INVALID_RES, mY = VO_DGA_INVALID_RES, mVBI =
100000, mMaxY = 0, dga_modenum;
#endif
int bank, ram;
#endif
vo_dga_src_format = format;
wanted_width = d_width;
wanted_height = d_height;
if (!wanted_height)
wanted_height = height;
if (!wanted_width)
wanted_width = width;
if (!vo_dbpp)
{
if ((format & IMGFMT_BGR_MASK) == IMGFMT_BGR)
{
vo_dga_src_mode = vd_ModeValid(format & 0xff);
}
} else
{
vo_dga_src_mode = vd_ModeValid(vo_dbpp);
}
vo_dga_hw_mode = SRC_MODE.vdm_hw_mode;
if (!vo_dga_src_mode)
{
mp_msg(MSGT_VO, MSGL_ERR, "vo_dga: unsupported video format!\n");
return 1;
}
vo_dga_vp_width = vo_screenwidth;
vo_dga_vp_height = vo_screenheight;
mp_msg(MSGT_VO, MSGL_V, "vo_dga: XServer res: %dx%d\n",
vo_dga_vp_width, vo_dga_vp_height);
// choose a suitable mode ...
#ifdef HAVE_DGA2
// Code to change the video mode added by Michael Graffam
// [email protected]
mp_msg(MSGT_VO, MSGL_V, "vo_dga: vo_modelines=%p, vo_modecount=%d\n",
vo_modelines, vo_modecount);
if (vo_modelines == NULL)
{
mp_msg(MSGT_VO, MSGL_ERR, "vo_dga: can't get modelines\n");
return 1;
}
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: DGA 2.0 available :-) Can switch resolution AND depth!\n");
for (i = 0; i < vo_modecount; i++)
{
if (vd_ModeEqual(vo_modelines[i].depth,
vo_modelines[i].bitsPerPixel,
vo_modelines[i].redMask,
vo_modelines[i].greenMask,
vo_modelines[i].blueMask, vo_dga_hw_mode))
{
mp_msg(MSGT_VO, MSGL_V, "maxy: %4d, depth: %2d, %4dx%4d, ",
vo_modelines[i].maxViewportY, vo_modelines[i].depth,
vo_modelines[i].imageWidth,
vo_modelines[i].imageHeight);
if (check_res
(i, wanted_width, wanted_height, vo_modelines[i].depth,
vo_modelines[i].viewportWidth,
vo_modelines[i].viewportHeight,
(unsigned) vo_modelines[i].verticalRefresh,
vo_modelines[i].maxViewportY, &mX, &mY, &mVBI, &mMaxY))
j = i;
}
}
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Selected hardware mode %4d x %4d @ %3d Hz @ depth %2d, bitspp %2d.\n",
mX, mY, mVBI, HW_MODE.vdm_depth, HW_MODE.vdm_bitspp);
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Video parameters by codec: %3d x %3d, depth %2d, bitspp %2d.\n",
width, height, SRC_MODE.vdm_depth, SRC_MODE.vdm_bitspp);
vo_dga_vp_width = mX;
vo_dga_vp_height = mY;
if ((flags & VOFLAG_SWSCALE) || (flags & VOFLAG_FULLSCREEN))
{ /* -zoom or -fs */
scale_dstW = (d_width + 7) & ~7;
scale_dstH = d_height;
scale_srcW = width;
scale_srcH = height;
aspect_save_screenres(mX, mY);
aspect_save_orig(scale_srcW, scale_srcH);
aspect_save_prescale(scale_dstW, scale_dstH);
if (flags & VOFLAG_FULLSCREEN) /* -fs */
aspect(&scale_dstW, &scale_dstH, A_ZOOM);
else if (flags & VOFLAG_SWSCALE) /* -fs */
aspect(&scale_dstW, &scale_dstH, A_NOZOOM);
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Aspect corrected size for SwScaler: %4d x %4d.\n",
scale_dstW, scale_dstH);
/* XXX this is a hack, but I'm lazy ;-) :: atmos */
width = scale_dstW;
height = scale_dstH;
}
vo_dga_width = vo_modelines[j].bytesPerScanline / HW_MODE.vdm_bytespp;
dga_modenum = vo_modelines[j].num;
modeline = vo_modelines + j;
#else
#ifdef HAVE_XF86VM
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: DGA 1.0 compatibility code: Using XF86VidMode for mode switching!\n");
if (XF86VidModeQueryExtension(mDisplay, &vm_event, &vm_error))
{
XF86VidModeQueryVersion(mDisplay, &vm_ver, &vm_rev);
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: XF86VidMode Extension v%i.%i\n", vm_ver, vm_rev);
have_vm = 1;
} else
{
mp_msg(MSGT_VO, MSGL_ERR,
"vo_dga: XF86VidMode Extension not available.\n");
}
#define GET_VREFRESH(dotclk, x, y)( (((dotclk)/(x))*1000)/(y) )
if (have_vm)
{
int modecount;
XF86VidModeGetAllModeLines(mDisplay, mScreen, &modecount,
&vo_dga_vidmodes);
if (vo_dga_vidmodes != NULL)
{
for (i = 0; i < modecount; i++)
{
if (check_res(i, wanted_width, wanted_height,
vo_dga_modes[vo_dga_hw_mode].vdm_depth,
vo_dga_vidmodes[i]->hdisplay,
vo_dga_vidmodes[i]->vdisplay,
GET_VREFRESH(vo_dga_vidmodes[i]->dotclock,
vo_dga_vidmodes[i]->htotal,
vo_dga_vidmodes[i]->vtotal),
0, &mX, &mY, &mVBI, &mMaxY))
j = i;
}
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Selected video mode %4d x %4d @ %3d Hz @ depth %2d, bitspp %2d, video %3d x %3d.\n",
mX, mY, mVBI,
vo_dga_modes[vo_dga_hw_mode].vdm_depth,
vo_dga_modes[vo_dga_hw_mode].vdm_bitspp, width, height);
} else
{
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: XF86VidMode returned no screens - using current resolution.\n");
}
dga_modenum = j;
vo_dga_vp_width = mX;
vo_dga_vp_height = mY;
}
#else
mp_msg(MSGT_VO, MSGL_INFO,
"vo_dga: Only have DGA 1.0 extension and no XF86VidMode :-(\n");
mp_msg(MSGT_VO, MSGL_INFO,
" Thus, resolution switching is NOT possible.\n");
#endif
#endif
vo_dga_src_width = width;
vo_dga_src_height = height;
if (vo_dga_src_width > vo_dga_vp_width ||
vo_dga_src_height > vo_dga_vp_height)
{
mp_msg(MSGT_VO, MSGL_ERR,
"vo_dga: Sorry, video larger than viewport is not yet supported!\n");
// ugly, do something nicer in the future ...
#ifndef HAVE_DGA2
#ifdef HAVE_XF86VM
if (vo_dga_vidmodes)
{
XFree(vo_dga_vidmodes);
vo_dga_vidmodes = NULL;
}
#endif
#endif
return 1;
}
if (vo_dga_vp_width == VO_DGA_INVALID_RES)
{
mp_msg(MSGT_VO, MSGL_ERR,
"vo_dga: Something is wrong with your DGA. There doesn't seem to be a\n"
" single suitable mode!\n"
" Please file a bug report (see DOCS/HTML/en/bugreports.html)\n");
#ifndef HAVE_DGA2
#ifdef HAVE_XF86VM
if (vo_dga_vidmodes)
{
XFree(vo_dga_vidmodes);
vo_dga_vidmodes = NULL;
}
#endif
#endif
return 1;
}
// now let's start the DGA thing
if (!vo_config_count || width != prev_width || height != prev_height)
{
#ifdef HAVE_DGA2
if (!XDGAOpenFramebuffer(mDisplay, mScreen))
{
mp_msg(MSGT_VO, MSGL_ERR,
"vo_dga: Framebuffer mapping failed!!!\n");
return 1;
}
dgadevice = XDGASetMode(mDisplay, mScreen, dga_modenum);
XDGASync(mDisplay, mScreen);
vo_dga_base = dgadevice->data;
XFree(dgadevice);
XDGASetViewport(mDisplay, mScreen, 0, 0, XDGAFlipRetrace);
#else
#ifdef HAVE_XF86VM
if (have_vm)
{
XF86VidModeLockModeSwitch(mDisplay, mScreen, 0);
// Two calls are needed to switch modes on my ATI Rage 128. Why?
// for riva128 one call is enough!
XF86VidModeSwitchToMode(mDisplay, mScreen,
vo_dga_vidmodes[dga_modenum]);
XF86VidModeSwitchToMode(mDisplay, mScreen,
vo_dga_vidmodes[dga_modenum]);
}
#endif
XF86DGAGetViewPortSize(mDisplay, mScreen,
&vo_dga_vp_width, &vo_dga_vp_height);
XF86DGAGetVideo(mDisplay, mScreen,
(char **) &vo_dga_base, &vo_dga_width, &bank,
&ram);
XF86DGADirectVideo(mDisplay, mScreen,
XF86DGADirectGraphics | XF86DGADirectMouse |
XF86DGADirectKeyb);
XF86DGASetViewPort(mDisplay, mScreen, 0, 0);
#endif
}
// do some more checkings here ...
mp_msg(MSGT_VO, MSGL_V,
"vo_dga: bytes/line: %d, screen res: %dx%d, depth: %d, base: %p, bpp: %d\n",
vo_dga_width, vo_dga_vp_width, vo_dga_vp_height,
HW_MODE.vdm_bytespp, vo_dga_base, HW_MODE.vdm_bitspp);
x_off = (vo_dga_vp_width - vo_dga_src_width) >> 1;
y_off = (vo_dga_vp_height - vo_dga_src_height) >> 1;
vo_dga_bytes_per_line = vo_dga_src_width * HW_MODE.vdm_bytespp;
vo_dga_lines = vo_dga_src_height;
vo_dga_src_offset = 0;
vo_dga_vp_offset =
(y_off * vo_dga_width + x_off) * HW_MODE.vdm_bytespp;
vo_dga_vp_skip = (vo_dga_width - vo_dga_src_width) * HW_MODE.vdm_bytespp; // todo
mp_msg(MSGT_VO, MSGL_V, "vo_dga: vp_off=%d, vp_skip=%d, bpl=%d\n",
vo_dga_vp_offset, vo_dga_vp_skip, vo_dga_bytes_per_line);
XGrabKeyboard(mDisplay, DefaultRootWindow(mDisplay), True,
GrabModeAsync, GrabModeAsync, CurrentTime);
if (vo_grabpointer)
XGrabPointer(mDisplay, DefaultRootWindow(mDisplay), True,
ButtonPressMask, GrabModeAsync, GrabModeAsync,
None, None, CurrentTime);
if (!vo_config_count || width != prev_width || height != prev_height)
{
init_video_buffers(vo_dga_base,
vo_dga_vp_height,
vo_dga_width * HW_MODE.vdm_bytespp,
#ifdef HAVE_DGA2
modeline->maxViewportY,
#else
vo_dga_vp_height,
#endif
vo_doublebuffering);
prev_width = width;
prev_height = height;
}
mp_msg(MSGT_VO, MSGL_V, "vo_dga: Using %d frame buffer%s.\n",
vo_dga_nr_video_buffers,
vo_dga_nr_video_buffers == 1 ? "" : "s");
vo_dga_is_running = 1;
return 0;
}