most todays LCDs support 32bpp e.g. the framebuffer memory is 32bpp
organized.
To support 24bpp BMPs we need to take only 3 byte from the bpp and set
one byte from the FB to 0.
Signed-off-by: Hannes Petermaier <oe5...@oevsv.at>
---
common/lcd.c | 23 ++++++++++++++++++++---
1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/common/lcd.c b/common/lcd.c
index 54bbf9a..82ea73f 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -982,8 +982,13 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
return 1;
}
- /* We support displaying 8bpp BMPs on 16bpp LCDs */
- if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16)) {
+ /*
+ * We support displaying 8bpp BMPs on 16bpp LCDs
+ * and displaying 24bpp BMPs on 32bpp LCDs
+ * */
+ if (bpix != bmp_bpix &&
+ !(bmp_bpix == 8 && bpix == 16) &&
+ !(bmp_bpix == 24 && bpix == 32)) {
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
bpix, get_unaligned_le16(&bmp->header.bit_count));
return 1;
@@ -1104,7 +1109,19 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
}
break;
#endif /* CONFIG_BMP_16BPP */
-
+#if defined(CONFIG_BMP_24BMP)
+ case 24:
+ for (i = 0; i < height; ++i) {
+ for (j = 0; j < width; j++) {
+ *(fb++) = *(bmap++);
+ *(fb++) = *(bmap++);
+ *(fb++) = *(bmap++);
+ *(fb++) = 0;
+ }
+ fb -= lcd_line_length + width * (bpix / 8);
+ }
+ break;
+#endif /* CONFIG_BMP_24BMP */
#if defined(CONFIG_BMP_32BPP)
case 32:
for (i = 0; i < height; ++i) {
--
1.7.9.5
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
