ui_video.c

quakeIII源码这个不用我多说吧

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//
#include "ui_local.h"

void GraphicsOptions_MenuInit( void );

/*
=======================================================================

DRIVER INFORMATION MENU

=======================================================================
*/


#define DRIVERINFO_FRAMEL	"menu/art/frame2_l"
#define DRIVERINFO_FRAMER	"menu/art/frame1_r"
#define DRIVERINFO_BACK0	"menu/art/back_0"
#define DRIVERINFO_BACK1	"menu/art/back_1"

static char* driverinfo_artlist[] = 
{
	DRIVERINFO_FRAMEL,
	DRIVERINFO_FRAMER,
	DRIVERINFO_BACK0,
	DRIVERINFO_BACK1,
	NULL,
};

#define ID_DRIVERINFOBACK	100

typedef struct
{
	menuframework_s	menu;
	menutext_s		banner;
	menubitmap_s	back;
	menubitmap_s	framel;
	menubitmap_s	framer;
	char			stringbuff[1024];
	char*			strings[64];
	int				numstrings;
} driverinfo_t;

static driverinfo_t	s_driverinfo;

/*
=================
DriverInfo_Event
=================
*/
static void DriverInfo_Event( void* ptr, int event )
{
	if (event != QM_ACTIVATED)
		return;

	switch (((menucommon_s*)ptr)->id)
	{
		case ID_DRIVERINFOBACK:
			UI_PopMenu();
			break;
	}
}

/*
=================
DriverInfo_MenuDraw
=================
*/
static void DriverInfo_MenuDraw( void )
{
	int	i;
	int	y;

	Menu_Draw( &s_driverinfo.menu );

	UI_DrawString( 320, 80, "VENDOR", UI_CENTER|UI_SMALLFONT, color_red );
	UI_DrawString( 320, 152, "PIXELFORMAT", UI_CENTER|UI_SMALLFONT, color_red );
	UI_DrawString( 320, 192, "EXTENSIONS", UI_CENTER|UI_SMALLFONT, color_red );

	UI_DrawString( 320, 80+16, uis.glconfig.vendor_string, UI_CENTER|UI_SMALLFONT, text_color_normal );
	UI_DrawString( 320, 96+16, uis.glconfig.version_string, UI_CENTER|UI_SMALLFONT, text_color_normal );
	UI_DrawString( 320, 112+16, uis.glconfig.renderer_string, UI_CENTER|UI_SMALLFONT, text_color_normal );
	UI_DrawString( 320, 152+16, va ("color(%d-bits) Z(%d-bits) stencil(%d-bits)", uis.glconfig.colorBits, uis.glconfig.depthBits, uis.glconfig.stencilBits), UI_CENTER|UI_SMALLFONT, text_color_normal );

	// double column
	y = 192+16;
	for (i=0; i<s_driverinfo.numstrings/2; i++) {
		UI_DrawString( 320-4, y, s_driverinfo.strings[i*2], UI_RIGHT|UI_SMALLFONT, text_color_normal );
		UI_DrawString( 320+4, y, s_driverinfo.strings[i*2+1], UI_LEFT|UI_SMALLFONT, text_color_normal );
		y += SMALLCHAR_HEIGHT;
	}

	if (s_driverinfo.numstrings & 1)
		UI_DrawString( 320, y, s_driverinfo.strings[s_driverinfo.numstrings-1], UI_CENTER|UI_SMALLFONT, text_color_normal );
}

/*
=================
DriverInfo_Cache
=================
*/
void DriverInfo_Cache( void )
{
	int	i;

	// touch all our pics
	for (i=0; ;i++)
	{
		if (!driverinfo_artlist[i])
			break;
		trap_R_RegisterShaderNoMip(driverinfo_artlist[i]);
	}
}

/*
=================
UI_DriverInfo_Menu
=================
*/
static void UI_DriverInfo_Menu( void )
{
	char*	eptr;
	int		i;
	int		len;

	// zero set all our globals
	memset( &s_driverinfo, 0 ,sizeof(driverinfo_t) );

	DriverInfo_Cache();

	s_driverinfo.menu.fullscreen = qtrue;
	s_driverinfo.menu.draw       = DriverInfo_MenuDraw;

	s_driverinfo.banner.generic.type  = MTYPE_BTEXT;
	s_driverinfo.banner.generic.x	  = 320;
	s_driverinfo.banner.generic.y	  = 16;
	s_driverinfo.banner.string		  = "DRIVER INFO";
	s_driverinfo.banner.color	      = color_white;
	s_driverinfo.banner.style	      = UI_CENTER;

	s_driverinfo.framel.generic.type  = MTYPE_BITMAP;
	s_driverinfo.framel.generic.name  = DRIVERINFO_FRAMEL;
	s_driverinfo.framel.generic.flags = QMF_INACTIVE;
	s_driverinfo.framel.generic.x	  = 0;
	s_driverinfo.framel.generic.y	  = 78;
	s_driverinfo.framel.width  	      = 256;
	s_driverinfo.framel.height  	  = 329;

	s_driverinfo.framer.generic.type  = MTYPE_BITMAP;
	s_driverinfo.framer.generic.name  = DRIVERINFO_FRAMER;
	s_driverinfo.framer.generic.flags = QMF_INACTIVE;
	s_driverinfo.framer.generic.x	  = 376;
	s_driverinfo.framer.generic.y	  = 76;
	s_driverinfo.framer.width  	      = 256;
	s_driverinfo.framer.height  	  = 334;

	s_driverinfo.back.generic.type	   = MTYPE_BITMAP;
	s_driverinfo.back.generic.name     = DRIVERINFO_BACK0;
	s_driverinfo.back.generic.flags    = QMF_LEFT_JUSTIFY|QMF_PULSEIFFOCUS;
	s_driverinfo.back.generic.callback = DriverInfo_Event;
	s_driverinfo.back.generic.id	   = ID_DRIVERINFOBACK;
	s_driverinfo.back.generic.x		   = 0;
	s_driverinfo.back.generic.y		   = 480-64;
	s_driverinfo.back.width  		   = 128;
	s_driverinfo.back.height  		   = 64;
	s_driverinfo.back.focuspic         = DRIVERINFO_BACK1;

  // TTimo: overflow with particularly long GL extensions (such as the gf3)
  // https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=399
  // NOTE: could have pushed the size of stringbuff, but the list is already out of the screen
  // (no matter what your resolution)
  Q_strncpyz(s_driverinfo.stringbuff, uis.glconfig.extensions_string, 1024);

	// build null terminated extension strings
	eptr = s_driverinfo.stringbuff;
	while ( s_driverinfo.numstrings<40 && *eptr )
	{
		while ( *eptr && *eptr == ' ' )
			*eptr++ = '\0';

		// track start of valid string
		if (*eptr && *eptr != ' ')
			s_driverinfo.strings[s_driverinfo.numstrings++] = eptr;

		while ( *eptr && *eptr != ' ' )
			eptr++;
	}

	// safety length strings for display
	for (i=0; i<s_driverinfo.numstrings; i++) {
		len = strlen(s_driverinfo.strings[i]);
		if (len > 32) {
			s_driverinfo.strings[i][len-1] = '>';
			s_driverinfo.strings[i][len]   = '\0';
		}
	}

	Menu_AddItem( &s_driverinfo.menu, &s_driverinfo.banner );
	Menu_AddItem( &s_driverinfo.menu, &s_driverinfo.framel );
	Menu_AddItem( &s_driverinfo.menu, &s_driverinfo.framer );
	Menu_AddItem( &s_driverinfo.menu, &s_driverinfo.back );

	UI_PushMenu( &s_driverinfo.menu );
}

/*
=======================================================================

GRAPHICS OPTIONS MENU

=======================================================================
*/

#define GRAPHICSOPTIONS_FRAMEL	"menu/art/frame2_l"
#define GRAPHICSOPTIONS_FRAMER	"menu/art/frame1_r"
#define GRAPHICSOPTIONS_BACK0	"menu/art/back_0"
#define GRAPHICSOPTIONS_BACK1	"menu/art/back_1"
#define GRAPHICSOPTIONS_ACCEPT0	"menu/art/accept_0"
#define GRAPHICSOPTIONS_ACCEPT1	"menu/art/accept_1"

static const char *s_drivers[] =
{
	OPENGL_DRIVER_NAME,
	_3DFX_DRIVER_NAME,
	0
};

#define ID_BACK2		101
#define ID_FULLSCREEN	102
#define ID_LIST			103
#define ID_MODE			104
#define ID_DRIVERINFO	105
#define ID_GRAPHICS		106
#define ID_DISPLAY		107
#define ID_SOUND		108
#define ID_NETWORK		109

typedef struct {
	menuframework_s	menu;

	menutext_s		banner;
	menubitmap_s	framel;
	menubitmap_s	framer;

	menutext_s		graphics;
	menutext_s		display;
	menutext_s		sound;
	menutext_s		network;

	menulist_s		list;
	menulist_s		mode;
	menulist_s		driver;
	menuslider_s	tq;
	menulist_s  	fs;
	menulist_s  	lighting;
	menulist_s  	allow_extensions;
	menulist_s  	texturebits;
	menulist_s  	colordepth;
	menulist_s  	geometry;
	menulist_s  	filter;
	menutext_s		driverinfo;

	menubitmap_s	apply;
	menubitmap_s	back;
} graphicsoptions_t;

typedef struct
{
	int mode;
	qboolean fullscreen;
	int tq;
	int lighting;
	int colordepth;
	int texturebits;
	int geometry;
	int filter;
	int driver;
	qboolean extensions;
} InitialVideoOptions_s;

static InitialVideoOptions_s	s_ivo;
static graphicsoptions_t		s_graphicsoptions;	

static InitialVideoOptions_s s_ivo_templates[] =
{
	{
		4, qtrue, 2, 0, 2, 2, 1, 1, 0, qtrue	// JDC: this was tq 3
	},
	{
		3, qtrue, 2, 0, 0, 0, 1, 0, 0, qtrue
	},
	{
		2, qtrue, 1, 0, 1, 0, 0, 0, 0, qtrue
	},
	{
		2, qtrue, 1, 1, 1, 0, 0, 0, 0, qtrue
	},
	{
		3, qtrue, 1, 0, 0, 0, 1, 0, 0, qtrue
	}
};

#define NUM_IVO_TEMPLATES ( sizeof( s_ivo_templates ) / sizeof( s_ivo_templates[0] ) )

/*
=================
GraphicsOptions_GetInitialVideo
=================
*/
static void GraphicsOptions_GetInitialVideo( void )
{
	s_ivo.colordepth  = s_graphicsoptions.colordepth.curvalue;
	s_ivo.driver      = s_graphicsoptions.driver.curvalue;
	s_ivo.mode        = s_graphicsoptions.mode.curvalue;
	s_ivo.fullscreen  = s_graphicsoptions.fs.curvalue;
	s_ivo.extensions  = s_graphicsoptions.allow_extensions.curvalue;
	s_ivo.tq          = s_graphicsoptions.tq.curvalue;
	s_ivo.lighting    = s_graphicsoptions.lighting.curvalue;
	s_ivo.geometry    = s_graphicsoptions.geometry.curvalue;
	s_ivo.filter      = s_graphicsoptions.filter.curvalue;
	s_ivo.texturebits = s_graphicsoptions.texturebits.curvalue;
}

/*
=================
GraphicsOptions_CheckConfig
=================
*/
static void GraphicsOptions_CheckConfig( void )
{
	int i;

	for ( i = 0; i < NUM_IVO_TEMPLATES; i++ )
	{
		if ( s_ivo_templates[i].colordepth != s_graphicsoptions.colordepth.curvalue )
			continue;
		if ( s_ivo_templates[i].driver != s_graphicsoptions.driver.curvalue )