Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-24 21:54:01 +00:00
Code Issues Projects Releases Packages Wiki Activity

video: Fix line padding calculation for 16 and 24 BPP bitmaps

Browse source 
Each row in the pixel array in the bitmap file is padded
if necessary so the row size is always a multiple of 4 bytes.
In current code the complement of row size to a multiple of
4 bytes is further unnecessarily multiplied by the pixel size.
This results in incorrect displaying of bitmaps having row size
that is not a multiple of 4 bytes. Fix this by removing
the unnecessary multiplication.

Tested with 24BPP bitmap and XRGB32 display.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Sylwester Nawrocki 2020-12-01 12:30:50 +01:00 committed by Anatolij Gustschin
parent 131c224168
commit 38e18d6392
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/video/video_bmp.c
View file

@ -328,7 +328,7 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y,
for (j = 0; j < width; j++)
fb_put_word(&fb, &bmap);
bmap += (padded_width - width) * 2;
bmap += (padded_width - width);
fb -= width * 2 + priv->line_length;
}
break;
@ -352,7 +352,7 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y,
}
}
fb -= priv->line_length + width * (bpix / 8);
bmap += (padded_width - width) * 3;
bmap += (padded_width - width);
}
break;
#endif /* CONFIG_BMP_24BPP */