vxworks_i386.c

来自「mini gui 1.6.8 lib and source」· C语言 代码 · 共 115 行

/*
**  $Id: vxworks_i386.c,v 1.7 2005/04/29 07:21:29 xwyan Exp $
**  
**  vxworks_i386.c: A subdriver of CommonLCD NEWGAL engine for VxWorks on i386.
**
**  Copyright (C) 2003 ~ 2005 Feynman Software.
*/

/*
** 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.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "common.h"

#ifdef _NEWGAL_ENGINE_COMMLCD

#if defined (__VXWORKS__) && defined (__TARGET_VXI386__)

#include "minigui.h"
#include "newgal.h"
#include "sysvideo.h"
#include "pixels_c.h"
#include "commlcd.h"

#include <ugl/uglugi.h>
#include <ugl/uglinfo.h>
#include <ugl/ugl.h>

static UGL_DEVICE_ID devId;
UGL_GC_ID gc;
    
static int a_init (void)
{
    if (uglInitialize() == UGL_STATUS_ERROR)
        return 1;
    
    return 0; 
}

static int a_getinfo (struct lcd_info *li)
{
    UGL_MODE_INFO modeInfo;

    
    /* Obtain display device identifier */
    devId = (UGL_DEVICE_ID) uglRegistryFind (UGL_DISPLAY_TYPE,  
                    0, 0, 0)->id;
   
    /* Create a graphics context */
    gc = uglGcCreate (devId);
    
#ifndef _VESA_SUPPORT
    uglInfo (devId, UGL_MODE_INFO_REQ, &modeInfo);
    li->type = FB_PSEUDO_RGB332;
#else
    uglPcBiosInfo (devId, UGL_MODE_INFO_REQ, &modeInfo);
    li->type = FB_TRUE_RGB565;
#endif

    li->height = modeInfo.height;
    li->width = modeInfo.width;
    li->fb = modeInfo.fbAddress;
    li->bpp = modeInfo.colorDepth;
    li->rlen = (li->bpp*li->width + 7) / 8;
    return 0;
}

#ifndef _VESA_SUPPORT    
static int a_setclut (int firstcolor, int ncolors, GAL_Color *colors)
{
    int i;
   
    UGL_ARGB argb [256];
    if (ncolors > 256) ncolors = 256;
    
    for (i = 0; i < ncolors; i++)
        argb [i] = UGL_MAKE_RGB (colors[i].r, colors[i].g, colors[i].b);
    
    uglClutSet (devId, firstcolor, argb, ncolors);
    return 1;
}
#endif

struct lcd_ops __mg_commlcd_ops = {
        a_init,
        a_getinfo,
        NULL,
    #ifndef _VESA_SUPPORT    
        a_setclut
    #else
        NULL
    #endif
};

#endif /* __VXWORKS__ && __TARGET_VXI386__ */

#endif /* _NEWGAL_ENGINE_COMMLCD */