Subversion Repositories or1k_old

/*

 * Copyright (c) 1999 Greg Haerr <greg@censoft.com>

 *

 * Experimental debug screen driver for Microwindows

 *

 * 21-Feb-2000 ajr@ecs.soton.ac.uk

 * Stripped down the VGA driver to make a debug driver so that I can debug the

 * rest of the code.

 *

 */

#include <stdio.h>

#include <stdlib.h>

#include "device.h"

#include "genfont.h"

#include "genmem.h"

/* DBG driver entry points*/

static PSD  DBG_open(PSD psd);

static void DBG_close(PSD psd);

static void DBG_getscreeninfo(PSD psd,PMWSCREENINFO psi);;

static void DBG_setpalette(PSD psd,int first,int count,MWPALENTRY *pal);

static void DBG_drawpixel(PSD psd,MWCOORD x, MWCOORD y, MWPIXELVAL c);

static MWPIXELVAL DBG_readpixel(PSD psd,MWCOORD x, MWCOORD y);

static void DBG_drawhline(PSD psd,MWCOORD x1, MWCOORD x2, MWCOORD y, MWPIXELVAL c);

static void DBG_drawvline(PSD psd,MWCOORD x,MWCOORD y1,MWCOORD y2,MWPIXELVAL c);

static void DBG_fillrect(PSD psd,MWCOORD x1,MWCOORD y1,MWCOORD x2,MWCOORD y2,

                MWPIXELVAL c);

void DBG_blit(PSD dstpsd, MWCOORD dstx, MWCOORD dsty, MWCOORD w, MWCOORD h,

                PSD srcpsd, MWCOORD srcx, MWCOORD srcy, long op);

SCREENDEVICE    scrdev = {

        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL,

        DBG_open,

        DBG_close,

        DBG_getscreeninfo,

        DBG_setpalette,

        DBG_drawpixel,

        DBG_readpixel,

        DBG_drawhline,

        DBG_drawvline,

        DBG_fillrect,

        gen_fonts,

        DBG_blit,

        NULL,                   /* PreSelect*/

        NULL,                   /* DrawArea subdriver*/

        NULL,                   /* SetIOPermissions*/

        gen_allocatememgc,

        NULL,                   /* MapMemGC*/

        NULL                    /* FreeMemGC*/

};

#define printd(_a)

static PSD

DBG_open(PSD psd)

{

        /* init driver variables depending on ega/vga mode*/

        psd->xres = psd->xvirtres = 640;

        psd->yres = psd->yvirtres = 480;

        psd->planes = 4;

        psd->bpp = 4;

        psd->ncolors = 16;

        psd->pixtype = MWPF_PALETTE;

        psd->flags = PSF_SCREEN;

        return psd;

}

static void

DBG_close(PSD psd)

{

        printd("DBG_close()\n");

}

static void

DBG_getscreeninfo(PSD psd,PMWSCREENINFO psi)

{

        psi->rows = psd->yvirtres;

        psi->cols = psd->xvirtres;

        psi->planes = psd->planes;

        psi->bpp = psd->bpp;

        psi->ncolors = psd->ncolors;

        psi->pixtype = psd->pixtype;

        psi->fonts = 1;

        /* DBG 640x480*/

        psi->xdpcm = 27;        /* assumes screen width of 24 cm*/

        psi->ydpcm = 27;        /* assumes screen height of 18 cm*/

        printd("DBG_getscreeninfo()\n");

}

static void

DBG_setpalette(PSD psd,int first,int count,MWPALENTRY *pal)

{

        printd("DBG_setpalette()\n");

}

static void

DBG_drawpixel(PSD psd,MWCOORD x, MWCOORD y, MWPIXELVAL c)

{

        printd("DBG_drawpixel()\n");

}

static MWPIXELVAL

DBG_readpixel(PSD psd,MWCOORD x, MWCOORD y)

{

        printd("DBG_readpixel()\n");

}

/* Draw horizontal line from x1,y to x2,y including final point*/

static void

DBG_drawhline(PSD psd,MWCOORD x1, MWCOORD x2, MWCOORD y, MWPIXELVAL c)

{

        printd("DBG_drawhline()\n");

}

/* Draw a vertical line from x,y1 to x,y2 including final point*/

static void

DBG_drawvline(PSD psd,MWCOORD x, MWCOORD y1, MWCOORD y2, MWPIXELVAL c)

{

        printd("DBG_drawvline()\n");

}

static void

DBG_fillrect(PSD psd,MWCOORD x1, MWCOORD y1, MWCOORD x2, MWCOORD y2,

        MWPIXELVAL c)

{

        printd("DBG_fillrect()\n");

}

void DBG_blit(PSD dstpsd, MWCOORD dstx, MWCOORD dsty, MWCOORD w, MWCOORD h,

        PSD srcpsd, MWCOORD srcx, MWCOORD srcy, long op)

{

        printd("DBG_blit()\n");

}