[U-Boot] [PATCH v3 1/3] LCD: display 32bpp decompressed bitmap image
Donghwa Lee
dh09.lee at samsung.com
Mon Apr 30 13:55:29 CEST 2012
This patch supports drawing 32bpp decompressed bitmap image.
Signed-off-by: Donghwa Lee <dh09.lee at samsung.com>
Signed-off-by: Kyungmin.park <kyungmin.park at samsung.com>
---
Changes for v1/v2:
- use lcd_line_length variable
- convert RGB to BGR because BMP data format aligned BGR.
common/lcd.c | 27 ++++++++++++++++++++++++---
1 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/common/lcd.c b/common/lcd.c
index bf1a6a9..460442d 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -616,6 +616,9 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
#if !defined(CONFIG_MCC200)
ushort *cmap = NULL;
#endif
+#if defined(CONFIG_BMP_32BPP)
+ uchar r, g, b, a;
+#endif
ushort *cmap_base = NULL;
ushort i, j;
uchar *fb;
@@ -645,14 +648,14 @@ 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 +672,7 @@ 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 +794,24 @@ 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++) {
+ b = *(bmap++);
+ g = *(bmap++);
+ r = *(bmap++);
+ a = *(bmap++);
+
+ *(fb++) = r;
+ *(fb++) = g;
+ *(fb++) = b;
+ *(fb++) = a;
+ }
+ fb -= (lcd_line_length + width * (bpix / 8));
+ }
+ break;
+#endif /* CONFIG_BMP_32BPP */
default:
break;
};
--
1.7.4.1
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