void VID_Init(unsigned char *palette) {
vid.colormap = host_colormap;
Check_Gamma(palette);
VID_SetPalette(palette);
VID_RegisterLatchCvars();
if (!host_initialized) {
VID_RegisterCvars();
VID_RegisterCommands();
VID_ParseCmdLine();
}
VID_SDL_Init();
// print info
if (!host_initialized || r_verbose.integer) {
GfxInfo_f();
}
VID_UpdateConRes();
GL_Init(); // Real OpenGL stuff, vid_common_gl.c
}
void VID_Init (unsigned char *palette) {
vid.colormap = host_colormap;
Check_Gamma(palette);
VID_SetPalette(palette);
RE_Init();
#ifdef GLSL
SHD_Init();
#endif
VID_zzz();
GL_Init();
}
void VID_Open()
{
int width, height, fullscreen;
fullscreen = vid_fullscreen.value;
width = vid_width.value;
height = vid_height.value;
#warning Fix this.
#ifndef GLQUAKE
if (width > MAXWIDTH)
{
Com_Printf("VID: Maximum supported width is %d\n", MAXWIDTH);
width = MAXWIDTH;
}
if (height > MAXHEIGHT)
{
Com_Printf("VID: Maximum supported height is %d\n", MAXHEIGHT);
height = MAXHEIGHT;
}
#endif
vid.colormap = host_colormap;
vid.aspect = ((float)height / (float)width) * (320.0 / 240.0);
#ifndef GLQUAKE
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
#endif
Sys_Thread_LockMutex(display_mutex);
display = Sys_Video_Open(vid_mode.string, width, height, fullscreen, host_basepal);
Sys_Thread_UnlockMutex(display_mutex);
if (display)
{
width = Sys_Video_GetWidth(display);
height = Sys_Video_GetHeight(display);
#ifndef GLQUAKE
if (width > MAXWIDTH || height > MAXHEIGHT)
Sys_Error("Fullscreen display size (%dx%d) exceeds the maximum allowed display size (%dx%d)\n", width, height, MAXWIDTH, MAXHEIGHT);
#endif
#ifndef GLQUAKE
if (VID_SW_AllocBuffers(width, height))
#endif
{
vid.numpages = Sys_Video_GetNumBuffers(display);
set_up_conwidth_conheight();
#ifndef GLQUAKE
vid.rowbytes = Sys_Video_GetBytesPerRow(display);
vid.buffer = Sys_Video_GetBuffer(display);
#endif
if (windowtitle)
Sys_Video_SetWindowTitle(display, windowtitle);
mouse_grabbed = 2;
refresh_mouse_grab_state();
R_Init();
V_UpdatePalette(true);
#ifdef GLQUAKE
Check_Gamma(host_basepal);
VID_SetPalette(host_basepal);
vid.recalc_refdef = 1; // force a surface cache flush
R_InitGL();
GL_Particles_TextureInit();
#endif
Draw_Init();
M_VidInit();
Sbar_Init();
SCR_Init();
CSTC_PictureInit();
Skin_Init();
return;
}
Sys_Thread_LockMutex(display_mutex);
Sys_Video_Close(display);
display = 0;
Sys_Thread_UnlockMutex(display_mutex);
}
Sys_Error("VID: Unable to open a display\n");
}
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
};
int width = 640, height = 480;
XSetWindowAttributes attr;
unsigned long mask;
Window root;
XVisualInfo *visinfo;
#ifdef USE_VMODE
qbool fullscreen = true;
int MajorVersion, MinorVersion;
int actualWidth, actualHeight;
#endif
Cvar_Register (&vid_ref);
Cvar_Register (&vid_mode);
Cvar_Register (&vid_hwgammacontrol);
Cvar_Register (&_windowed_mouse);
Cvar_Register (&m_filter);
vid.colormap = host_colormap;
// interpret command-line params
// fullscreen cmdline check
#ifdef USE_VMODE
if (COM_CheckParm("-window"))
fullscreen = false;
#endif
// 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.width = Q_atoi(com_argv[i+1]);
else
vid.width = 640;
vid.width &= 0xfff8; // make it a multiple of eight
if (vid.width < 320)
vid.width = 320;
// pick a conheight that matches with correct aspect
vid.height = vid.width*3 / 4;
if ((i = COM_CheckParm("-conheight")) != 0)
vid.height = Q_atoi(com_argv[i+1]);
if (vid.height < 200)
vid.height = 200;
if (!(x_disp = XOpenDisplay(NULL)))
{
fprintf(stderr, "Error couldn't open the X display\n");
exit(1);
}
scrnum = DefaultScreen(x_disp);
root = RootWindow(x_disp, scrnum);
#ifdef USE_VMODE
// check vmode extensions supported
// Get video mode list
MajorVersion = MinorVersion = 0;
if (!XF86VidModeQueryVersion(x_disp, &MajorVersion, &MinorVersion))
{
vidmode_ext = false;
}
else
{
Com_Printf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
vidmode_ext = true;
}
#endif
visinfo = glXChooseVisual(x_disp, scrnum, attrib);
if (!visinfo)
{
fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
exit(1);
}
// setup fullscreen size to fit display -->
#ifdef USE_VMODE
if (vidmode_ext)
{
int best_fit, best_dist, dist, x, y;
XF86VidModeGetAllModeLines(x_disp, 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(x_disp, scrnum, vidmodes[best_fit]);
vidmode_active = true;
// Move the viewport to top left
XF86VidModeSetViewPort(x_disp, scrnum, 0, 0);
}
else
{
fullscreen = 0;
}
}
}
#endif
/* window attributes */
attr.background_pixel = 0;
attr.border_pixel = 0;
attr.colormap = XCreateColormap(x_disp, root, visinfo->visual, AllocNone);
attr.event_mask = X_MASK;
mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
// if fullscreen disable window manager decoration
#ifdef USE_VMODE
if (vidmode_active)
{
mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore |
CWEventMask | CWOverrideRedirect;
attr.override_redirect = True;
attr.backing_store = NotUseful;
attr.save_under = False;
}
#endif
x_win = XCreateWindow(x_disp, root, 0, 0, width, height,
0, visinfo->depth, InputOutput,
visinfo->visual, mask, &attr);
XStoreName(x_disp, x_win, PROGRAM);
XMapWindow(x_disp, x_win);
#ifdef USE_VMODE
if (vidmode_active)
{
XRaiseWindow(x_disp, x_win);
XWarpPointer(x_disp, None, x_win, 0, 0, 0, 0, 0, 0);
XFlush(x_disp);
// Move the viewport to top left
XF86VidModeSetViewPort(x_disp, scrnum, 0, 0);
}
#endif
XFlush(x_disp);
ctx = glXCreateContext(x_disp, visinfo, NULL, True);
glXMakeCurrent(x_disp, x_win, ctx);
vid.realwidth = width;
vid.realheight = height;
if (vid.height > height)
vid.height = height;
if (vid.width > width)
vid.width = width;
vid.aspect = ((float)vid.height / (float)vid.width) * (320.0 / 240.0);
vid.numpages = 2;
InitSig(); // trap evil signals
GL_Init();
Check_Gamma(palette);
VID_SetPalette(palette);
InitHWGamma();
Com_Printf ("Video mode %dx%d initialized.\n", width, height);
SCR_InvalidateScreen ();
}