leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

video: Update the copy framebuffer when writing bitmaps

Browse Source 
Adjust the bitmap code to sync to the copy framebuffer when done.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-07-02 21:12:27 -06:00 committed by Bin Meng
parent c30c5f275b
commit 2b1412c8c0
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/video/video_bmp.c
View File

@ -192,7 +192,7 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y,
struct video_priv *priv = dev_get_uclass_priv(dev);
ushort *cmap_base = NULL;
int i, j;
uchar *fb;
uchar *start, *fb;
struct bmp_image *bmp = map_sysmem(bmp_image, 0);
uchar *bmap;
ushort padded_width;
@ -201,6 +201,7 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y,
unsigned colours, bpix, bmp_bpix;
struct bmp_color_table_entry *palette;
int hdr_size;
int ret;
if (!bmp || !(bmp->header.signature[0] == 'B' &&
bmp->header.signature[1] == 'M')) {
@ -261,8 +262,11 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y,
height = priv->ysize - y;
bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
fb = (uchar *)(priv->fb +
(y + height - 1) * priv->line_length + x * bpix / 8);
start = (uchar *)(priv->fb +
(y + height) * priv->line_length + x * bpix / 8);
/* Move back to the final line to be drawn */
fb = start - priv->line_length;
switch (bmp_bpix) {
case 1:
@ -369,6 +373,12 @@ int video_bmp_display(struct udevice *dev, ulong bmp_image, int x, int y,
break;
};
/* Find the position of the top left of the image in the framebuffer */
fb = (uchar *)(priv->fb + y * priv->line_length + x * bpix / 8);
ret = video_sync_copy(dev, start, fb);
if (ret)
return log_ret(ret);
video_sync(dev, false);
return 0;