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authorPali Rohár <pali.rohar@gmail.com>2012-04-28 07:26:44 +0000
committerAnatolij Gustschin <agust@denx.de>2012-06-04 22:43:31 +0200
commit90f60a81daa714b2395d2e9ee3ea25db883ca061 (patch)
tree4705e310883863abb4cf80a35af0fd1405916f06
parent04bbe6999048f74af00305cacae14a2d7faf2063 (diff)
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cfb_console: Add console_clear_line function
console_clear_line() clears part of specified line or the full line. Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Anatolij Gustschin <agust@denx.de>
-rw-r--r--drivers/video/cfb_console.c49
1 files changed, 36 insertions, 13 deletions
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index 51ea167..6fa61d2 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -683,6 +683,41 @@ static void memcpyl(int *d, int *s, int c)
}
#endif
+static void console_clear_line(int line, int begin, int end)
+{
+#ifdef VIDEO_HW_RECTFILL
+ video_hw_rectfill(VIDEO_PIXEL_SIZE, /* bytes per pixel */
+ VIDEO_FONT_WIDTH * begin, /* dest pos x */
+ video_logo_height +
+ VIDEO_FONT_HEIGHT * line, /* dest pos y */
+ VIDEO_FONT_WIDTH * (end - begin + 1), /* fr. width */
+ VIDEO_FONT_HEIGHT, /* frame height */
+ bgx /* fill color */
+ );
+#else
+ if (begin == 0 && (end + 1) == CONSOLE_COLS) {
+ memsetl(CONSOLE_ROW_FIRST +
+ CONSOLE_ROW_SIZE * line, /* offset of row */
+ CONSOLE_ROW_SIZE >> 2, /* length of row */
+ bgx /* fill color */
+ );
+ } else {
+ void *offset;
+ int i, size;
+
+ offset = CONSOLE_ROW_FIRST +
+ CONSOLE_ROW_SIZE * line + /* offset of row */
+ VIDEO_FONT_WIDTH *
+ VIDEO_PIXEL_SIZE * begin; /* offset of col */
+ size = VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE * (end - begin + 1);
+ size >>= 2; /* length to end for memsetl() */
+ /* fill at col offset of i'th line using bgx as fill color */
+ for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
+ memsetl(offset + i * VIDEO_LINE_LEN, size, bgx);
+ }
+#endif
+}
+
static void console_scrollup(void)
{
/* copy up rows ignoring the first one */
@@ -703,20 +738,8 @@ static void console_scrollup(void)
memcpyl(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND,
CONSOLE_SCROLL_SIZE >> 2);
#endif
-
/* clear the last one */
-#ifdef VIDEO_HW_RECTFILL
- video_hw_rectfill(VIDEO_PIXEL_SIZE, /* bytes per pixel */
- 0, /* dest pos x */
- VIDEO_VISIBLE_ROWS
- - VIDEO_FONT_HEIGHT, /* dest pos y */
- VIDEO_VISIBLE_COLS, /* frame width */
- VIDEO_FONT_HEIGHT, /* frame height */
- CONSOLE_BG_COL /* fill color */
- );
-#else
- memsetl(CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, CONSOLE_BG_COL);
-#endif
+ console_clear_line(CONSOLE_ROWS - 1, 0, CONSOLE_COLS - 1);
}
static void console_back(void)