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Grayscale support for rockboy - can't work without markuns patch,

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needs rockbox' internal framebuffer in 2 bit (4 pixels / byte) format.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6132 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michiel Van Der Kolk 2005-03-04 11:01:33 +00:00
parent ee811a3443
commit ca2e99b4be
4 changed files with 29 additions and 2 deletions
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16
apps/plugins/rockboy/sys_rockbox.c
View file

@ -236,9 +236,22 @@ void vid_update(int scanline)
#else /* LCD_HEIGHT != 64, iRiver */
if (fb.mode==1)
scanline-=16;
#ifdef GRAYSCALE
scanline_remapped = scanline / 4;
#else
scanline_remapped = scanline / 8;
#endif
frameb = rb->lcd_framebuffer + scanline_remapped * LCD_WIDTH;
while (cnt < 160) {
#ifdef GRAYSCALE
*(frameb++) = (scan.buf[0][cnt]&0x3) |
((scan.buf[1][cnt]&0x3)<<2) |
((scan.buf[2][cnt]&0x3)<<4) |
((scan.buf[3][cnt]&0x3)<<6);
cnt++;
}
rb->lcd_update_rect(0, scanline & ~3, LCD_WIDTH, 4); //8);
#else
register unsigned scrbyte = 0;
if (scan.buf[0][cnt] & 0x02) scrbyte |= 0x01;
if (scan.buf[1][cnt] & 0x02) scrbyte |= 0x02;
@ -252,7 +265,8 @@ void vid_update(int scanline)
cnt++;
}
rb->lcd_update_rect(0, scanline & ~7, LCD_WIDTH, 8);
#endif
#endif /* GRAYSCALE */
#endif /* LCD_HEIGHT */
}
void vid_end(void)