From be27f4dff3e949b012d7fac9b872fc911123cf3a Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Thu, 12 Sep 2024 15:32:17 +0000
Subject: fb: little memdrawing optimization.

---
 fb.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fb.c b/fb.c
index 7a11571..353c8a1 100644
--- a/fb.c
+++ b/fb.c
@@ -364,6 +364,7 @@ framebufctl_memdraw(Framebufctl *ctl, Memimage *dst, char *name, Point off, Poin
 	Raster *r, *r2;
 	Rectangle sr, dr;
 	Memimage *tmp;
+	uchar *bdata0;
 
 	qlock(ctl);
 	fb = ctl->getfb(ctl);
@@ -403,8 +404,10 @@ framebufctl_memdraw(Framebufctl *ctl, Memimage *dst, char *name, Point off, Poin
 		if(tmp == nil)
 			sysfatal("allocmemimage: %r");
 
-		loadmemimage(tmp, sr, (uchar*)r->data, Dx(fb->r)*Dy(r->r)*4);
+		bdata0 = tmp->data->bdata;
+		tmp->data->bdata = (void*)r->data;
 		memimagedraw(dst, rectaddpt(sr, dst->r.min), tmp, ZP, nil, ZP, S);
+		tmp->data->bdata = bdata0;
 		freememimage(tmp);
 	}else if(rectclip(&sr, dr)){
 		tmp = allocmemimage(sr, RGBA32);
-- 
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