shithub: blie

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fixes compositing chain bug

--- a/blie.c

+++ b/blie.c

@@ -105,6 +105,8 @@

 	return 1;

 }

+int nextlayerdirty; // while docomp, is next layer dirty?

+

 static void

 docomp(Layer *l, int id, int, void *aux)

 {

@@ -120,9 +122,13 @@

 	c = ed->composite ? ed->composite : ecomposite;

-	// BUG: doesn't recomposite if previous layer changed!

-	if (!l->composited)

+	if (nextlayerdirty)

+		dirtylayer(l);

+	

+	if (!l->composited) {

 		l->composited = c(l, img[i]);

+		nextlayerdirty = 1;

+	}

 	img[id%2] = l->composited;

 	img[i] = nil;

 }

@@ -136,6 +142,7 @@

 	img[0] = nil;

 	img[1] = nil;

 	i = (foreachlayer(docomp, img) + 1) % 2;

+	nextlayerdirty = 0;

 	writememimage(1, img[i]);

 }

@@ -154,6 +161,7 @@

 	img[0] = nil;

 	img[1] = nil;

 	i = (foreachlayer(docomp, img) + 1) % 2;

+	nextlayerdirty = 0;

 	sampleview(panels.drawing, img[i]);