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From: Ahmad Fatoum <a.fatoum@barebox.org>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@barebox.org>
Subject: [PATCH 06/20] fbconsole: call fb_blit_area for every drawchar
Date: Sun,  3 May 2026 10:33:08 +0200	[thread overview]
Message-ID: <20260503084430.2765761-7-a.fatoum@barebox.org> (raw)
In-Reply-To: <20260503084430.2765761-1-a.fatoum@barebox.org>

Every glyph draw, whether cursor, character or empty space should be
followed by fb_blit_area().

This was missed for the drawchar() used for the empty space however
(erase in line). Fix this by moving fb_blit_area() into drawchar() like
it's already the case for video_invertchar().

fb_blit_area() is moved, so it's defined before being referenced, but
nothing changes in its body.

Signed-off-by: Ahmad Fatoum <a.fatoum@barebox.org>
---
 drivers/video/fbconsole.c | 87 ++++++++++++++++++++-------------------
 1 file changed, 44 insertions(+), 43 deletions(-)

diff --git a/drivers/video/fbconsole.c b/drivers/video/fbconsole.c
index 2833d4200aa1..c7314bb8cf0d 100644
--- a/drivers/video/fbconsole.c
+++ b/drivers/video/fbconsole.c
@@ -149,6 +149,49 @@ static struct rgb colors[] = {
 	[BRIGHT + WHITE]	= { 255, 255, 255 },
 };
 
+static void fb_blit_area(struct fbc_priv *priv, int x, int y)
+{
+	int startx, starty, width, height, fw, fh;
+	int mx, my;
+
+	mx = priv->margin.left;
+	my = priv->margin.top;
+
+	fw = priv->font->width;
+	fh = priv->font->height;
+
+	switch (priv->rotation) {
+	case FBCONSOLE_ROTATE_0:
+		startx = mx + x * fw;
+		starty = my + y * fh;
+		width = fw;
+		height = fh;
+		break;
+	case FBCONSOLE_ROTATE_90:
+		startx = mx + (priv->rows - y - 1) * fh;
+		starty = my + x * fw;
+		width = fh;
+		height = fw;
+		break;
+	case FBCONSOLE_ROTATE_180:
+		startx = mx + (priv->cols - x - 1) * fw;
+		starty = my + (priv->rows - y - 1) * fh;
+		width = fw;
+		height = fh;
+		break;
+	case FBCONSOLE_ROTATE_270:
+		startx = mx + y * fh;
+		starty = my + (priv->cols - x - 1) * fw;
+		width = fh;
+		height = fw;
+		break;
+	default:
+		return;
+	}
+
+	gu_screen_blit_area(priv->sc, startx, starty, width, height);
+}
+
 static void drawchar(struct fbc_priv *priv, int x, int y, int c)
 {
 	void *buf;
@@ -241,49 +284,8 @@ static void drawchar(struct fbc_priv *priv, int x, int y, int c)
 		inbuf++;
 		mask = 0x80;
 	}
-}
 
-static void fb_blit_area(struct fbc_priv *priv, int x, int y)
-{
-	int startx, starty, width, height, fw, fh;
-	int mx, my;
-
-	mx = priv->margin.left;
-	my = priv->margin.top;
-
-	fw = priv->font->width;
-	fh = priv->font->height;
-
-	switch (priv->rotation) {
-	case FBCONSOLE_ROTATE_0:
-		startx = mx + x * fw;
-		starty = my + y * fh;
-		width = fw;
-		height = fh;
-		break;
-	case FBCONSOLE_ROTATE_90:
-		startx = mx + (priv->rows - y - 1) * fh;
-		starty = my + x * fw;
-		width = fh;
-		height = fw;
-		break;
-	case FBCONSOLE_ROTATE_180:
-		startx = mx + (priv->cols - x - 1) * fw;
-		starty = my + (priv->rows - y - 1) * fh;
-		width = fw;
-		height = fh;
-		break;
-	case FBCONSOLE_ROTATE_270:
-		startx = mx + y * fh;
-		starty = my + (priv->cols - x - 1) * fw;
-		width = fh;
-		height = fw;
-		break;
-	default:
-		return;
-	}
-
-	gu_screen_blit_area(priv->sc, startx, starty, width, height);
+	fb_blit_area(priv, x, y);
 }
 
 static void video_invertchar(struct fbc_priv *priv, int x, int y)
@@ -479,7 +481,6 @@ static void printchar(struct fbc_priv *priv, int c)
 
 	default:
 		drawchar(priv, priv->x, priv->y, c);
-		fb_blit_area(priv, priv->x, priv->y);
 
 		priv->x++;
 		if (priv->x >= priv->cols) {
-- 
2.47.3




  parent reply	other threads:[~2026-05-03  8:45 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-03  8:33 [PATCH 00/20] fbconsole: support TUI-relevant escape sequences Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 01/20] fbconsole: remove incomplete CSI_CNT state Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 02/20] fbconsole: improve handling of unexpected escape sequences Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 03/20] fbconsole: fix handling of CSI buffer overflow Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 04/20] fbconsole: do not reset cursor visibility alongside attributes Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 05/20] fbconsole: respect hidden cursor everywhere Ahmad Fatoum
2026-05-03  8:33 ` Ahmad Fatoum [this message]
2026-05-03  8:33 ` [PATCH 07/20] fbconsole: skip fb_flush when processing escape sequences Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 08/20] fbconsole: factor out helpers for clamped cursor row/col setting Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 09/20] fbconsole: precompute foreground/background colors Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 10/20] fbconsole: collect renderable state into struct fbc_screen_state Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 11/20] fbconsole: implement CSI A/B/C/D cursor movement sequences Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 12/20] fbconsole: restrict cursor visibility to DEC private mode 25 Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 13/20] fbconsole: add new clear_chars helper Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 14/20] fbconsole: implement erase entire line CSI Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 15/20] fbconsole: support ESC[0J and ESC[1J partial screen clear Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 16/20] fbconsole: implement DEC save/restore cursor Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 17/20] fbconsole: implement VT100 deferred wrap (last column flag) Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 18/20] fbconsole: implement alternate screen buffer (ESC[?1049h/l) Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 19/20] fbconsole: adapt logging depending on activated streams Ahmad Fatoum
2026-05-03  8:33 ` [PATCH 20/20] netconsole: suppress log message when opening console file Ahmad Fatoum
2026-05-07 10:38 ` [PATCH 00/20] fbconsole: support TUI-relevant escape sequences Sascha Hauer

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