From: notaz <notasas@gmail.com>
Date: Sun, 13 Mar 2022 23:15:51 +0000 (+0200)
Subject: fbdev: don't clear more than needed
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fdfcdca978ffcb21472d0b0f6025557678ff35da;p=libpicofe.git

fbdev: don't clear more than needed

it wastes time for something like psx that may change modes ingame
---

diff --git a/linux/fbdev.c b/linux/fbdev.c
index 0718861..d8d78eb 100644
--- a/linux/fbdev.c
+++ b/linux/fbdev.c
@@ -155,7 +155,8 @@ out:
 
 void vout_fbdev_clear(struct vout_fbdev *fbdev)
 {
-	memset(fbdev->mem, 0, fbdev->mem_size);
+	if (fbdev->mem)
+		memset(fbdev->mem, 0, fbdev->fb_size * fbdev->buffer_count);
 }
 
 void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count)