From: dooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Date: Mon, 14 Jan 2008 10:28:41 +0000 (+0000)
Subject: Use a mutex to prevent the two render threads (rendering the workarea and the navigat... 
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=1a5b665468b32fc50f15b381dbc4964600428e38;p=synfig.git

Use a mutex to prevent the two render threads (rendering the workarea and the navigator dialog thumbnail) trampling on each other while rendering the Duplicate layer.


git-svn-id: http://svn.voria.com/code@1358 1f10aa63-cdf2-0310-b900-c93c546f37ac
---

diff --git a/synfig-core/trunk/src/synfig/layer_duplicate.cpp b/synfig-core/trunk/src/synfig/layer_duplicate.cpp
index 6577237..32b9baa 100644
--- a/synfig-core/trunk/src/synfig/layer_duplicate.cpp
+++ b/synfig-core/trunk/src/synfig/layer_duplicate.cpp
@@ -173,6 +173,7 @@ Layer_Duplicate::accelerated_render(Context context,Surface *surface,int quality
 	Color::BlendMethod blend_method(get_blend_method());
 	int steps = duplicate_param->count_steps(time_cur);
 
+	Mutex::Lock lock(mutex);
 	duplicate_param->reset_index(time_cur);
 	do
 	{
diff --git a/synfig-core/trunk/src/synfig/layer_duplicate.h b/synfig-core/trunk/src/synfig/layer_duplicate.h
index 6d74c18..3c29b23 100644
--- a/synfig-core/trunk/src/synfig/layer_duplicate.h
+++ b/synfig-core/trunk/src/synfig/layer_duplicate.h
@@ -42,6 +42,7 @@ class Layer_Duplicate : public synfig::Layer_Composite
 private:
 	mutable Real index;
 	mutable Time time_cur;
+	mutable synfig::Mutex mutex;
 
 public: