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/*
* Creation Date: <2002/10/23 20:26:40 samuel>
* Time-stamp: <2004/01/07 19:39:15 samuel>
*
* <molvideo.c>
*
* Mac-on-Linux display node
*
* Copyright (C) 2002, 2003, 2004 Samuel Rydh (samuel@ibrium.se)
*
* 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
*
*/
#include "config.h"
#include "libopenbios/bindings.h"
#include "libc/diskio.h"
#include "libopenbios/ofmem.h"
#include "drivers/drivers.h"
#include "packages/video.h"
#include "libopenbios/video.h"
#include "drivers/vga.h"
/************************************************************************/
/* OF methods */
/************************************************************************/
DECLARE_NODE( video, 0, 0, "Tdisplay" );
/* ( r g b index -- ) */
static void
molvideo_color_bang( void )
{
int index = POP();
int b = POP();
int g = POP();
int r = POP();
unsigned long col = ((r << 16) & 0xff0000) | ((g << 8) & 0x00ff00) | (b & 0xff);
/* printk("color!: %08lx %08lx %08lx %08lx\n", r, g, b, index ); */
if( VIDEO_DICT_VALUE(video.depth) == 8 ) {
OSI_SetColor( index, col );
OSI_RefreshPalette();
}
}
/* ( -- ) - really should be reworked as draw-logo */
static void
molvideo_startup_splash( void )
{
int fd, s, i, y, x, dx, dy;
int width, height;
char *pp, *p;
char buf[64];
/* only draw logo in 24-bit mode (for now) */
if( VIDEO_DICT_VALUE(video.depth) < 15 )
return;
for( i=0; i<2; i++ ) {
if( !BootHGetStrResInd("bootlogo", buf, sizeof(buf), 0, i) )
return;
*(!i ? &width : &height) = atol(buf);
}
if( (s=width * height * 3) > 0x20000 )
return;
if( (fd=open_io("pseudo:,bootlogo")) >= 0 ) {
p = malloc( s );
if( read_io(fd, p, s) != s )
printk("bootlogo size error\n");
close_io( fd );
dx = (VIDEO_DICT_VALUE(video.w) - width)/2;
dy = (VIDEO_DICT_VALUE(video.h) - height)/3;
pp = (char*)VIDEO_DICT_VALUE(video.mvirt) + dy * VIDEO_DICT_VALUE(video.rb) + dx * (VIDEO_DICT_VALUE(video.depth) >= 24 ? 4 : 2);
for( y=0 ; y<height; y++, pp += VIDEO_DICT_VALUE(video.rb) ) {
if( VIDEO_DICT_VALUE(video.depth) >= 24 ) {
unsigned long *d = (unsigned long*)pp;
for( x=0; x<width; x++, p+=3, d++ )
*d = ((int)p[0] << 16) | ((int)p[1] << 8) | p[2];
} else if( VIDEO_DICT_VALUE(video.depth) == 15 ) {
unsigned short *d = (unsigned short*)pp;
for( x=0; x<width; x++, p+=3, d++ ) {
int col = ((int)p[0] << 16) | ((int)p[1] << 8) | p[2];
*d = ((col>>9) & 0x7c00) | ((col>>6) & 0x03e0) | ((col>>3) & 0x1f);
}
}
}
free( p );
}
/* No bootlogo support yet on other platforms */
return;
}
NODE_METHODS( video ) = {
{"mol-startup-splash", molvideo_startup_splash },
};
/************************************************************************/
/* init */
/************************************************************************/
void
molvideo_init(void)
{
xt_t color_bang;
REGISTER_NODE( video );
/* Bind the MOL graphic routines to the mol-color! defer */
color_bang = bind_noname_func(molvideo_color_bang);
PUSH(color_bang);
feval(" to mol-color!");
}
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