gl_vidnt.c

来自「quake1 dos源代码最新版本」· C语言 代码 · 共 1,980 行 · 第 1/4 页

					nummodes++;
				}
			}
		}
		switch (bpp)
		{
			case 16:
				bpp = 32;
				break;

			case 32:
				bpp = 24;
				break;

			case 24:
				done = 1;
				break;
		}
	} while (!done);

	if (nummodes == originalnummodes)
		Con_SafePrintf ("No fullscreen DIB modes found\n");
}

qboolean VID_Is8bit() {
	return is8bit;
}

#define GL_SHARED_TEXTURE_PALETTE_EXT 0x81FB

void VID_Init8bitPalette()
{
	// Check for 8bit Extensions and initialize them.
	int i;
	char thePalette[256*3];
	char *oldPalette, *newPalette;

	glColorTableEXT = (void *)wglGetProcAddress("glColorTableEXT");
	if (!glColorTableEXT || strstr(gl_extensions, "GL_EXT_shared_texture_palette") ||
		COM_CheckParm("-no8bit"))
		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;
}

static void Check_Gamma (unsigned char *pal)
{
	float	f, inf;
	unsigned char	palette[768];
	int		i;

	if ((i = COM_CheckParm("-gamma")) == 0) {
		if ((gl_renderer && strstr(gl_renderer, "Voodoo")) ||
			(gl_vendor && strstr(gl_vendor, "3Dfx")))
			vid_gamma = 1;
		else
			vid_gamma = 0.7; // default to 0.7 on non-3dfx hardware
	} else
		vid_gamma = Q_atof(com_argv[i+1]);

	for (i=0 ; i<768 ; i++)
	{
		f = pow ( (pal[i]+1)/256.0 , vid_gamma );
		inf = f*255 + 0.5;
		if (inf < 0)
			inf = 0;
		if (inf > 255)
			inf = 255;
		palette[i] = inf;
	}

	memcpy (pal, palette, sizeof(palette));
}

// 2001-09-18 New cvar system by Maddes (Init)  start
/*
===================
VID_Init_Cvars
===================
*/
void VID_Init_Cvars (void)
{
	vid_mode = Cvar_Get ("vid_mode", "0", CVAR_ORIGINAL);
	vid_wait = Cvar_Get ("vid_wait", "0", CVAR_ORIGINAL);
	vid_nopageflip = Cvar_Get ("vid_nopageflip", "0", CVAR_ARCHIVE|CVAR_ORIGINAL);
	_vid_wait_override = Cvar_Get ("_vid_wait_override", "0", CVAR_ARCHIVE|CVAR_ORIGINAL);
	_vid_default_mode = Cvar_Get ("_vid_default_mode", "0", CVAR_ARCHIVE|CVAR_ORIGINAL);
	_vid_default_mode_win = Cvar_Get ("_vid_default_mode_win", "3", CVAR_ARCHIVE|CVAR_ORIGINAL);
	vid_config_x = Cvar_Get ("vid_config_x", "800", CVAR_ARCHIVE|CVAR_ORIGINAL);
	vid_config_y = Cvar_Get ("vid_config_y", "600", CVAR_ARCHIVE|CVAR_ORIGINAL);
	vid_stretch_by_2 = Cvar_Get ("vid_stretch_by_2", "1", CVAR_ARCHIVE|CVAR_ORIGINAL);
	_windowed_mouse = Cvar_Get ("_windowed_mouse", "1", CVAR_ARCHIVE|CVAR_ORIGINAL);
	gl_ztrick = Cvar_Get ("gl_ztrick", "1", CVAR_ORIGINAL);
}
// 2001-09-18 New cvar system by Maddes (Init)  end

/*
===================
VID_Init
===================
*/
void	VID_Init (unsigned char *palette)
{
	int		i, existingmode;
	int		width, height, bpp, findbpp, done;	//basenummodes, // 2001-12-10 Reduced compiler warnings by Jeff Ford
	byte	*ptmp;
	char	gldir[MAX_OSPATH];
	HDC		hdc;
	DEVMODE	devmode;

	memset(&devmode, 0, sizeof(devmode));

// 2001-09-18 New cvar system by Maddes (Init)  start
/*
	vid_mode = Cvar_Get ("vid_mode", "0", CVAR_ORIGINAL);
	vid_wait = Cvar_Get ("vid_wait", "0", CVAR_ORIGINAL);
	vid_nopageflip = Cvar_Get ("vid_nopageflip", "0", CVAR_ARCHIVE|CVAR_ORIGINAL);
	_vid_wait_override = Cvar_Get ("_vid_wait_override", "0", CVAR_ARCHIVE|CVAR_ORIGINAL);
	_vid_default_mode = Cvar_Get ("_vid_default_mode", "0", CVAR_ARCHIVE|CVAR_ORIGINAL);
	_vid_default_mode_win = Cvar_Get ("_vid_default_mode_win", "3", CVAR_ARCHIVE|CVAR_ORIGINAL);
	vid_config_x = Cvar_Get ("vid_config_x", "800", CVAR_ARCHIVE|CVAR_ORIGINAL);
	vid_config_y = Cvar_Get ("vid_config_y", "600", CVAR_ARCHIVE|CVAR_ORIGINAL);
	vid_stretch_by_2 = Cvar_Get ("vid_stretch_by_2", "1", CVAR_ARCHIVE|CVAR_ORIGINAL);
	_windowed_mouse = Cvar_Get ("_windowed_mouse", "1", CVAR_ARCHIVE|CVAR_ORIGINAL);
	gl_ztrick = Cvar_Get ("gl_ztrick", "1", CVAR_ORIGINAL);
*/
// 2001-09-18 New cvar system by Maddes (Init)  end

	Cmd_AddCommand ("vid_nummodes", VID_NumModes_f);
	Cmd_AddCommand ("vid_describecurrentmode", VID_DescribeCurrentMode_f);
	Cmd_AddCommand ("vid_describemode", VID_DescribeMode_f);
	Cmd_AddCommand ("vid_describemodes", VID_DescribeModes_f);

	hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));

	InitCommonControls();

	VID_InitDIB (global_hInstance);
	nummodes = 1;	//basenummodes = // 2001-12-10 Reduced compiler warnings by Jeff Ford

	VID_InitFullDIB (global_hInstance);

	if (COM_CheckParm("-window"))
	{
		hdc = GetDC (NULL);

		if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
		{
			Sys_Error ("Can't run in non-RGB mode");
		}

		ReleaseDC (NULL, hdc);

		windowed = true;

		vid_default = MODE_WINDOWED;
	}
	else
	{
		if (nummodes == 1)
			Sys_Error ("No RGB fullscreen modes available");

		windowed = false;

		if (COM_CheckParm("-mode"))
		{
			vid_default = Q_atoi(com_argv[COM_CheckParm("-mode")+1]);
		}
		else
		{
			if (COM_CheckParm("-current"))
			{
				modelist[MODE_FULLSCREEN_DEFAULT].width =
						GetSystemMetrics (SM_CXSCREEN);
				modelist[MODE_FULLSCREEN_DEFAULT].height =
						GetSystemMetrics (SM_CYSCREEN);
				vid_default = MODE_FULLSCREEN_DEFAULT;
				leavecurrentmode = 1;
			}
			else
			{
				if (COM_CheckParm("-width"))
				{
					width = Q_atoi(com_argv[COM_CheckParm("-width")+1]);
				}
				else
				{
					width = 640;
				}

				if (COM_CheckParm("-bpp"))
				{
					bpp = Q_atoi(com_argv[COM_CheckParm("-bpp")+1]);
					findbpp = 0;
				}
				else
				{
					bpp = 15;
					findbpp = 1;
				}

				if (COM_CheckParm("-height"))
					height = Q_atoi(com_argv[COM_CheckParm("-height")+1]);

			// if they want to force it, add the specified mode to the list
				if (COM_CheckParm("-force") && (nummodes < MAX_MODE_LIST))
				{
					modelist[nummodes].type = MS_FULLDIB;
					modelist[nummodes].width = width;
					modelist[nummodes].height = height;
					modelist[nummodes].modenum = 0;
					modelist[nummodes].halfscreen = 0;
					modelist[nummodes].dib = 1;
					modelist[nummodes].fullscreen = 1;
					modelist[nummodes].bpp = bpp;
					sprintf (modelist[nummodes].modedesc, "%dx%dx%d",
							 devmode.dmPelsWidth, devmode.dmPelsHeight,
							 devmode.dmBitsPerPel);

					for (i=nummodes, existingmode = 0 ; i<nummodes ; i++)
					{
						if ((modelist[nummodes].width == modelist[i].width)   &&
							(modelist[nummodes].height == modelist[i].height) &&
							(modelist[nummodes].bpp == modelist[i].bpp))
						{
							existingmode = 1;
							break;
						}
					}

					if (!existingmode)
					{
						nummodes++;
					}
				}

				done = 0;

				do
				{
					if (COM_CheckParm("-height"))
					{
						height = Q_atoi(com_argv[COM_CheckParm("-height")+1]);

						for (i=1, vid_default=0 ; i<nummodes ; i++)
						{
							if ((modelist[i].width == width) &&
								(modelist[i].height == height) &&
								(modelist[i].bpp == bpp))
							{
								vid_default = i;
								done = 1;
								break;
							}
						}
					}
					else
					{
						for (i=1, vid_default=0 ; i<nummodes ; i++)
						{
							if ((modelist[i].width == width) && (modelist[i].bpp == bpp))
							{
								vid_default = i;
								done = 1;
								break;
							}
						}
					}

					if (!done)
					{
						if (findbpp)
						{
							switch (bpp)
							{
							case 15:
								bpp = 16;
								break;
							case 16:
								bpp = 32;
								break;
							case 32:
								bpp = 24;
								break;
							case 24:
								done = 1;
								break;
							}
						}
						else
						{
							done = 1;
						}
					}
				} while (!done);

				if (!vid_default)
				{
					Sys_Error ("Specified video mode not available");
				}
			}
		}
	}

	vid_initialized = true;

	if ((i = COM_CheckParm("-conwidth")) != 0)
		vid.conwidth = Q_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 = Q_atoi(com_argv[i+1]);
	if (vid.conheight < 200)
		vid.conheight = 200;

	vid.maxwarpwidth = WARP_WIDTH;
	vid.maxwarpheight = WARP_HEIGHT;
	vid.colormap = host_colormap;
	vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));

	DestroyWindow (hwnd_dialog);

	Check_Gamma(palette);
	VID_SetPalette (palette);

	VID_SetMode (vid_default, palette);

	maindc = GetDC(mainwindow);
	bSetupPixelFormat(maindc);

	baseRC = wglCreateContext( maindc );
	if (!baseRC)
		Sys_Error ("Could not initialize GL (wglCreateContext failed).\n\nMake sure you in are 65535 color mode, and try running -window.");
	if (!wglMakeCurrent( maindc, baseRC ))
		Sys_Error ("wglMakeCurrent failed");

	GL_Init ();

	sprintf (gldir, "%s/glquake", com_gamedir);
	Sys_mkdir (gldir);

	vid_realmode = vid_modenum;

	// Check for 3DFX Extensions and initialize them.
	VID_Init8bitPalette();

	vid_menudrawfn = VID_MenuDraw;
	vid_menukeyfn = VID_MenuKey;

	strcpy (badmode.modedesc, "Bad mode");
	vid_canalttab = true;

	if (COM_CheckParm("-fullsbar"))
		fullsbardraw = true;
}


//========================================================
// Video menu stuff
//========================================================

extern void M_Menu_Options_f (void);
extern void M_Print (int cx, int cy, char *str);
extern void M_PrintWhite (int cx, int cy, char *str);
extern void M_DrawCharacter (int cx, int line, int num);
extern void M_DrawTransPic (int x, int y, qpic_t *pic);
extern void M_DrawPic (int x, int y, qpic_t *pic);

static int	vid_wmodes;	//vid_line, // 2001-12-10 Reduced compiler warnings by Jeff Ford

typedef struct
{
	int		modenum;
	char	*desc;
	int		iscur;
} modedesc_t;

#define MAX_COLUMN_SIZE		9
#define MODE_AREA_HEIGHT	(MAX_COLUMN_SIZE + 2)
#define MAX_MODEDESCS		(MAX_COLUMN_SIZE*3)

static modedesc_t	modedescs[MAX_MODEDESCS];

/*
================
VID_MenuDraw
================
*/
void VID_MenuDraw (void)
{
	qpic_t		*p;
	char		*ptr;
	int			lnummodes, i, j, k, column, row, dup, dupmode;
	char		temp[100];
	vmode_t		*pv;

	p = Draw_CachePic ("gfx/vidmodes.lmp");
	M_DrawPic ( (320-p->width)/2, 4, p);

	vid_wmodes = 0;
	lnummodes = VID_NumModes ();

	for (i=1 ; (i<lnummodes) && (vid_wmodes < MAX_MODEDESCS) ; i++)
	{
		ptr = VID_GetModeDescription (i);
		pv = VID_GetModePtr (i);

		k = vid_wmodes;

		modedescs[k].modenum = i;
		modedescs[k].desc = ptr;
		modedescs[k].iscur = 0;

		if (i == vid_modenum)
			modedescs[k].iscur = 1;

		vid_wmodes++;

	}

	if (vid_wmodes > 0)
	{
		M_Print (2*8, 36+0*8, "Fullscreen Modes (WIDTHxHEIGHTxBPP)");

		column = 8;
		row = 36+2*8;

		for (i=0 ; i<vid_wmodes ; i++)
		{
			if (modedescs[i].iscur)
				M_PrintWhite (column, row, modedescs[i].desc);
			else
				M_Print (column, row, modedescs[i].desc);

			column += 13*8;

			if ((i % VID_ROW_SIZE) == (VID_ROW_SIZE - 1))
			{
				column = 8;
				row += 8;
			}
		}
	}

	M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*2,
			 "Video modes must be set from the");
	M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*3,
			 "command line with -width <width>");
	M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*4,
			 "and -bpp <bits-per-pixel>");
	M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*6,
			 "Select windowed mode with -window");
}


/*
================
VID_MenuKey
================
*/
void VID_MenuKey (int key)
{
	switch (key)
	{
	case K_ESCAPE:
		S_LocalSound ("misc/menu1.wav");
		M_Menu_Options_f ();
		break;

	default:
		break;
	}
}