[U-Boot] [PATCH v5 1/3] LCD: display 32bpp decompressed bitmap image

Donghwa Lee
2012-05-10T05:23:37Z

This patch supports drawing 32bpp decompressed bitmap image.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin.park <kyungmin.park@samsung.com>
---
Changes for v4:
- read image sequentially just as it is.

Changes for v1/v2/v3:
- use lcd_line_length variable
- convert BGR to RGB because BMP data format aligned BGR.

common/lcd.c | 19 ++++++++++++++++---
1 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/common/lcd.c b/common/lcd.c
index bf1a6a9..00cbf05 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -645,14 +645,14 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)

bpix = NBITS(panel_info.vl_bpix);

- if ((bpix != 1) && (bpix != 8) && (bpix != 16)) {
+ if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) {
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
bpix, bmp_bpix);
return 1;
}

/* We support displaying 8bpp BMPs on 16bpp LCDs */
- if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) {
+ if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16 || bpix != 32)) {
printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
bpix,
le16_to_cpu(bmp->header.bit_count));
@@ -669,7 +669,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
cmap = (ushort *)fbi->palette;
#elif defined(CONFIG_MPC823)
cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
-#elif !defined(CONFIG_ATMEL_LCD)
+#elif !defined(CONFIG_ATMEL_LCD) && !defined(CONFIG_EXYNOS_FB)
cmap = panel_info.cmap;
#endif

@@ -791,6 +791,19 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
break;
#endif /* CONFIG_BMP_16BPP */

+#if defined(CONFIG_BMP_32BPP)
+ case 32:
+ for (i = 0; i < height; ++i) {
+ for (j = 0; j < width; j++) {
+ *(fb++) = *(bmap++);
+ *(fb++) = *(bmap++);
+ *(fb++) = *(bmap++);
+ *(fb++) = *(bmap++);
+ }
+ fb -= (lcd_line_length + width * (bpix / 8));
+ }
+ break;
+#endif /* CONFIG_BMP_32BPP */
default:
break;
};
--
1.7.4.1