X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Fcanvas.cpp;h=24760ab6dafeb89c266724b006dd7f9d20645a73;hb=97ac045f597aa9b9528649d90fd48235060cfdb2;hp=59d54af9a473ec36b51381354ff859ca22b3c694;hpb=e922a431503d13d27863c6ecd40659836dbbfd9f;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/canvas.cpp b/synfig-core/trunk/src/synfig/canvas.cpp
index 59d54af..24760ab 100644
--- a/synfig-core/trunk/src/synfig/canvas.cpp
+++ b/synfig-core/trunk/src/synfig/canvas.cpp
@@ -1082,12 +1082,12 @@ synfig::optimize_layers(Context context, Canvas::Handle op_canvas, bool seen_mot
 		if(value.get_type()==ValueBase::TYPE_REAL && value.get(Real())==0)
 			continue;
 
-		Layer_PasteCanvas* paste_canvas(static_cast<Layer_PasteCanvas*>(layer.get()));
-
 		// note: this used to include "&& paste_canvas->get_time_offset()==0", but then
 		//		 time-shifted layers weren't being sorted by z-depth (bug #1806852)
 		if(layer->get_name()=="PasteCanvas")
 		{
+			Layer_PasteCanvas* paste_canvas(static_cast<Layer_PasteCanvas*>(layer.get()));
+
 			// we need to blur the sub canvas if:
 			// our parent is blurred,
 			// or the child is lower than a local blur,
@@ -1113,8 +1113,9 @@ synfig::optimize_layers(Context context, Canvas::Handle op_canvas, bool seen_mot
 			Canvas::Handle paste_sub_canvas = paste_canvas->get_sub_canvas();
 			if(paste_sub_canvas)
 				optimize_layers(paste_sub_canvas->get_context(),sub_canvas,motion_blurred);
-//#define SYNFIG_OPTIMIZE_PASTE_CANVAS 1
 
+// \todo: uncommenting the following breaks the rendering of at least examples/backdrop.sifz quite severely
+// #define SYNFIG_OPTIMIZE_PASTE_CANVAS
 #ifdef SYNFIG_OPTIMIZE_PASTE_CANVAS
 			Canvas::iterator sub_iter;