win_vid.c

The source code of Doom legacy for windows

// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// $Id: win_vid.c,v 1.19 2001/03/30 17:12:52 bpereira Exp $
//
// Copyright (C) 1998-2000 by DooM Legacy Team.
//
// 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.
//
//
// $Log: win_vid.c,v $
// Revision 1.19  2001/03/30 17:12:52  bpereira
// no message
//
// Revision 1.18  2001/02/10 12:27:15  bpereira
// no message
//
// Revision 1.17  2001/01/25 22:15:45  bpereira
// added heretic support
//
// Revision 1.16  2001/01/06 22:21:08  judgecutor
// Added NoDirectInput mouse input
//
// Revision 1.15  2001/01/05 18:19:48  hurdler
// add renderer version checking
//
// Revision 1.14  2000/11/04 16:23:45  bpereira
// no message
//
// Revision 1.13  2000/11/02 19:49:40  bpereira
// no message
//
// Revision 1.12  2000/10/21 08:43:32  bpereira
// no message
//
// Revision 1.11  2000/10/04 16:25:57  hurdler
// Change all those "3dfx names" to more appropriate names
//
// Revision 1.10  2000/10/01 10:18:23  bpereira
// no message
//
// Revision 1.9  2000/09/28 20:57:22  bpereira
// no message
//
// Revision 1.8  2000/09/25 19:30:17  hurdler
// Enable Direct3D support as OpenGL
//
// Revision 1.7  2000/09/01 19:34:38  bpereira
// no message
//
// Revision 1.6  2000/08/10 19:58:05  bpereira
// no message
//
// Revision 1.5  2000/08/10 17:04:22  hurdler
// add ticrate to hardware mode
//
// Revision 1.4  2000/08/10 14:19:56  hurdler
// add waitvbl
//
// Revision 1.3  2000/02/27 00:42:12  hurdler
// fix CR+LF problem
//
// Revision 1.2  2000/02/26 00:28:42  hurdler
// Mostly bug fix (see borislog.txt 23-2-2000, 24-2-2000)
//
//
// DESCRIPTION:
//      win32 video driver for Doom Legacy
//
//-----------------------------------------------------------------------------

#include "../doomdef.h"

#include <stdlib.h>
#include <stdarg.h>

#include "../i_system.h"
#include "../m_argv.h"
#include "../v_video.h"
#include "../st_stuff.h"
#include "../i_video.h"
#include "../z_zone.h"
#include "fabdxlib.h"       //wow! I can make use of my win32 test stuff!!

#include "win_main.h"
#include "win_vid.h"

#include "win_dll.h"                //loading the Glide Render DLL
#include "../hardware/hw_drv.h"     //calling Driver Init & Shutdown
#include "../hardware/hw_main.h"    //calling HWR module Init & Shutdown

// -------
// Globals
// -------

// this is the CURRENT rendermode!! very important : used by w_wad, and many other code
rendermode_t    rendermode=render_soft;

// synchronize page flipping with screen refresh
consvar_t       cv_vidwait = {"vid_wait","1",CV_SAVE,CV_OnOff};

boolean         highcolor;

static  BOOL        bDIBMode;           // means we are using DIB instead of DirectDraw surfaces
static  BITMAPINFO* bmiMain = NULL;
static  HDC         hDCMain = NULL;


// -----------------
// Video modes stuff
// -----------------

#define MAX_EXTRA_MODES         30
static  vmode_t     extra_modes[MAX_EXTRA_MODES] = {{NULL, NULL}};
static  char        names[MAX_EXTRA_MODES][10];

static  int     totalvidmem;

int     numvidmodes;   //total number of DirectDraw display modes
vmode_t *pvidmodes;    //start of videomodes list.
vmode_t *pcurrentmode; // the current active videomode.

static int VID_SetWindowedDisplayMode (viddef_t *lvid, vmode_t *pcurrentmode);

// this holds description of the startup video mode,
// the resolution is 320x200, windowed on the desktop
#define NUMSPECIALMODES  1
vmode_t specialmodes[NUMSPECIALMODES] = {
        {
            NULL,
            "320x200W", //faB: W to make sure it's the windowed mode
            320, 200,   //(200.0/320.0)*(320.0/240.0),
            320, 1,     // rowbytes, bytes per pixel
            1, 2,       // windowed (TRUE), numpages
            NULL,
            VID_SetWindowedDisplayMode,
            0          // misc
        }
};


// ------
// Protos
// ------
static  void VID_Command_NumModes_f (void);
static  void VID_Command_ModeInfo_f (void);
static  void VID_Command_ModeList_f (void);
static  void VID_Command_Mode_f     (void);
static  int VID_SetDirectDrawMode (viddef_t *lvid, vmode_t *pcurrentmode);
static  int VID_SetWindowedDisplayMode (viddef_t *lvid, vmode_t *pcurrentmode);
        vmode_t *VID_GetModePtr (int modenum);
        void VID_Init (void);

// judgecutor:
extern void I_RestartSysMouse();


// -----------------
// I_StartupGraphics
// Initialize video mode, setup dynamic screen size variables,
// and allocate screens.
// -----------------
void I_StartupGraphics(void)
{
    if (graphics_started)
        return;

    // 0 for 256 color, else use highcolor modes
    //highcolor = M_CheckParm ("-highcolor");

    if (M_CheckParm ("-3dfx"))
        rendermode = render_glide;
    else if (M_CheckParm ("-opengl"))
        rendermode = render_opengl;
    else if (M_CheckParm ("-minigl")) // MiniGL is considered like ...
        rendermode = render_opengl;   // ... OpenGL in the main code
    else if (M_CheckParm ("-d3d"))
        rendermode = render_d3d;
    else
        rendermode = render_soft;

    VID_Init();

    //added:03-01-98: register exit code for graphics
    I_AddExitFunc (I_ShutdownGraphics);
    graphics_started = TRUE;
}


// ------------------
// I_ShutdownGraphics
// Close the screen, restore previous video mode.
// ------------------
void I_ShutdownGraphics (void)
{
    if (!graphics_started)
        return;

    CONS_Printf ("I_ShutdownGraphics()\n");

    // release windowed startup stuff
    if (hDCMain) {
        ReleaseDC (hWndMain, hDCMain);
        hDCMain = NULL;
    }
    if (bmiMain) {
        GlobalFree (bmiMain);
        bmiMain = NULL;
    }

    if ( rendermode != render_soft )
    {
        // Hurdler: swap des deux lignes comme 鏰 on close
        //          l'environnement OpenGL/glide apr鑣 avoir 
        //          vid