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video: Update rotated console to support copy buffer 

Update the implementation to keep a track of what it changes in the frame
buffer and then tell the copy buffer about it. Use the special
vidconsole_memmove() helper so that memmove() operations are also
reflected in the copy buffer.

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 21:12:26 -06:00 committed by Bin Meng
parent 3ad740ac66
commit c30c5f275b
1 changed files with 60 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
drivers/video/console_rotate.c
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@ -15,11 +15,13 @@ static int console_set_row_1(struct udevice *dev, uint row, int clr)
{
struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
int pbytes = VNBYTES(vid_priv->bpix);
void *line;
void *start, *line;
int i, j;
int ret;
line = vid_priv->fb + vid_priv->line_length -
start = vid_priv->fb + vid_priv->line_length -
(row + 1) * VIDEO_FONT_HEIGHT * pbytes;
line = start;
for (j = 0; j < vid_priv->ysize; j++) {
switch (vid_priv->bpix) {
case VIDEO_BPP8:
@ -51,6 +53,9 @@ static int console_set_row_1(struct udevice *dev, uint row, int clr)
}
line += vid_priv->line_length;
}
ret = vidconsole_sync_copy(dev, start, line);
if (ret)
return ret;
return 0;
}
@ -62,7 +67,7 @@ static int console_move_rows_1(struct udevice *dev, uint rowdst, uint rowsrc,
int pbytes = VNBYTES(vid_priv->bpix);
void *dst;
void *src;
int j;
int j, ret;
dst = vid_priv->fb + vid_priv->line_length -
(rowdst + count) * VIDEO_FONT_HEIGHT * pbytes;
@ -70,7 +75,10 @@ static int console_move_rows_1(struct udevice *dev, uint rowdst, uint rowsrc,
(rowsrc + count) * VIDEO_FONT_HEIGHT * pbytes;
for (j = 0; j < vid_priv->ysize; j++) {
memmove(dst, src, VIDEO_FONT_HEIGHT * pbytes * count);
ret = vidconsole_memmove(dev, dst, src,
VIDEO_FONT_HEIGHT * pbytes * count);
if (ret)
return ret;
src += vid_priv->line_length;
dst += vid_priv->line_length;
}
@ -85,13 +93,14 @@ static int console_putc_xy_1(struct udevice *dev, uint x_frac, uint y, char ch)
struct video_priv *vid_priv = dev_get_uclass_priv(vid);
uchar *pfont = video_fontdata + (u8)ch * VIDEO_FONT_HEIGHT;
int pbytes = VNBYTES(vid_priv->bpix);
int i, col, x, linenum;
int i, col, x, linenum, ret;
int mask = 0x80;
void *line;
void *start, *line;
linenum = VID_TO_PIXEL(x_frac) + 1;
x = y + 1;
line = vid_priv->fb + linenum * vid_priv->line_length - x * pbytes;
start = vid_priv->fb + linenum * vid_priv->line_length - x * pbytes;
line = start;
if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
return -EAGAIN;
@ -136,6 +145,10 @@ static int console_putc_xy_1(struct udevice *dev, uint x_frac, uint y, char ch)
line += vid_priv->line_length;
mask >>= 1;
}
/* We draw backwards from 'start, so account for the first line */
ret = vidconsole_sync_copy(dev, start - vid_priv->line_length, line);
if (ret)
return ret;
return VID_TO_POS(VIDEO_FONT_WIDTH);
}
@ -144,12 +157,13 @@ static int console_putc_xy_1(struct udevice *dev, uint x_frac, uint y, char ch)
static int console_set_row_2(struct udevice *dev, uint row, int clr)
{
struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
void *line;
void *start, *line, *end;
int pixels = VIDEO_FONT_HEIGHT * vid_priv->xsize;
int i;
int i, ret;
line = vid_priv->fb + vid_priv->ysize * vid_priv->line_length -
start = vid_priv->fb + vid_priv->ysize * vid_priv->line_length -
(row + 1) * VIDEO_FONT_HEIGHT * vid_priv->line_length;
line = start;
switch (vid_priv->bpix) {
case VIDEO_BPP8:
if (IS_ENABLED(CONFIG_VIDEO_BPP8)) {
@ -157,6 +171,7 @@ static int console_set_row_2(struct udevice *dev, uint row, int clr)
for (i = 0; i < pixels; i++)
*dst++ = clr;
end = dst;
break;
}
case VIDEO_BPP16:
@ -165,6 +180,7 @@ static int console_set_row_2(struct udevice *dev, uint row, int clr)
for (i = 0; i < pixels; i++)
*dst++ = clr;
end = dst;
break;
}
case VIDEO_BPP32:
@ -173,11 +189,15 @@ static int console_set_row_2(struct udevice *dev, uint row, int clr)
for (i = 0; i < pixels; i++)
*dst++ = clr;
end = dst;
break;
}
default:
return -ENOSYS;
}
ret = vidconsole_sync_copy(dev, start, end);
if (ret)
return ret;
return 0;
}
@ -195,7 +215,8 @@ static int console_move_rows_2(struct udevice *dev, uint rowdst, uint rowsrc,
vid_priv->line_length;
src = end - (rowsrc + count) * VIDEO_FONT_HEIGHT *
vid_priv->line_length;
memmove(dst, src, VIDEO_FONT_HEIGHT * vid_priv->line_length * count);
vidconsole_memmove(dev, dst, src,
VIDEO_FONT_HEIGHT * vid_priv->line_length * count);
return 0;
}
@ -206,14 +227,15 @@ static int console_putc_xy_2(struct udevice *dev, uint x_frac, uint y, char ch)
struct udevice *vid = dev->parent;
struct video_priv *vid_priv = dev_get_uclass_priv(vid);
int pbytes = VNBYTES(vid_priv->bpix);
int i, row, x, linenum;
void *line;
int i, row, x, linenum, ret;
void *start, *line;
if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
return -EAGAIN;
linenum = vid_priv->ysize - y - 1;
x = vid_priv->xsize - VID_TO_PIXEL(x_frac) - 1;
line = vid_priv->fb + linenum * vid_priv->line_length + x * pbytes;
start = vid_priv->fb + linenum * vid_priv->line_length + x * pbytes;
line = start;
for (row = 0; row < VIDEO_FONT_HEIGHT; row++) {
unsigned int idx = (u8)ch * VIDEO_FONT_HEIGHT + row;
@ -261,6 +283,10 @@ static int console_putc_xy_2(struct udevice *dev, uint x_frac, uint y, char ch)
}
line -= vid_priv->line_length;
}
/* Add 4 bytes to allow for the first pixel writen */
ret = vidconsole_sync_copy(dev, start + 4, line);
if (ret)
return ret;
return VID_TO_POS(VIDEO_FONT_WIDTH);
}
@ -269,10 +295,11 @@ static int console_set_row_3(struct udevice *dev, uint row, int clr)
{
struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
int pbytes = VNBYTES(vid_priv->bpix);
void *line;
int i, j;
void *start, *line;
int i, j, ret;
line = vid_priv->fb + row * VIDEO_FONT_HEIGHT * pbytes;
start = vid_priv->fb + row * VIDEO_FONT_HEIGHT * pbytes;
line = start;
for (j = 0; j < vid_priv->ysize; j++) {
switch (vid_priv->bpix) {
case VIDEO_BPP8:
@ -304,6 +331,9 @@ static int console_set_row_3(struct udevice *dev, uint row, int clr)
}
line += vid_priv->line_length;
}
ret = vidconsole_sync_copy(dev, start, line);
if (ret)
return ret;
return 0;
}
@ -315,13 +345,16 @@ static int console_move_rows_3(struct udevice *dev, uint rowdst, uint rowsrc,
int pbytes = VNBYTES(vid_priv->bpix);
void *dst;
void *src;
int j;
int j, ret;
dst = vid_priv->fb + rowdst * VIDEO_FONT_HEIGHT * pbytes;
src = vid_priv->fb + rowsrc * VIDEO_FONT_HEIGHT * pbytes;
for (j = 0; j < vid_priv->ysize; j++) {
memmove(dst, src, VIDEO_FONT_HEIGHT * pbytes * count);
ret = vidconsole_memmove(dev, dst, src,
VIDEO_FONT_HEIGHT * pbytes * count);
if (ret)
return ret;
src += vid_priv->line_length;
dst += vid_priv->line_length;
}
@ -336,15 +369,15 @@ static int console_putc_xy_3(struct udevice *dev, uint x_frac, uint y, char ch)
struct video_priv *vid_priv = dev_get_uclass_priv(vid);
uchar *pfont = video_fontdata + (u8)ch * VIDEO_FONT_HEIGHT;
int pbytes = VNBYTES(vid_priv->bpix);
int i, col, x;
int i, col, x, ret;
int mask = 0x80;
void *line;
void *start, *line;
if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac)
return -EAGAIN;
x = vid_priv->ysize - VID_TO_PIXEL(x_frac) - 1;
line = vid_priv->fb + x * vid_priv->line_length + y * pbytes;
start = vid_priv->fb + x * vid_priv->line_length + y * pbytes;
line = start;
for (col = 0; col < VIDEO_FONT_HEIGHT; col++) {
switch (vid_priv->bpix) {
case VIDEO_BPP8:
@ -386,6 +419,10 @@ static int console_putc_xy_3(struct udevice *dev, uint x_frac, uint y, char ch)
line -= vid_priv->line_length;
mask >>= 1;
}
/* Add a line to allow for the first pixels writen */
ret = vidconsole_sync_copy(dev, start + vid_priv->line_length, line);
if (ret)
return ret;
return VID_TO_POS(VIDEO_FONT_WIDTH);
}