From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 gfx/tests/gtest/TestLayers.h | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 gfx/tests/gtest/TestLayers.h

(limited to 'gfx/tests/gtest/TestLayers.h')

diff --git a/gfx/tests/gtest/TestLayers.h b/gfx/tests/gtest/TestLayers.h
new file mode 100644
index 000000000..18e351f77
--- /dev/null
+++ b/gfx/tests/gtest/TestLayers.h
@@ -0,0 +1,36 @@
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+#ifndef GFX_TEST_LAYERS_H
+#define GFX_TEST_LAYERS_H
+
+#include "Layers.h"
+#include "nsTArray.h"
+
+/* Create layer tree from a simple layer tree description syntax.
+ * Each index is either the first letter of the layer type or
+ * a '(',')' to indicate the start/end of the child layers.
+ * The aim of this function is to remove hard to read
+ * layer tree creation code.
+ *
+ * Example "c(c(c(tt)t))" would yield:
+ *          c
+ *          |
+ *          c
+ *         / \
+ *        c   t
+ *       / \
+ *      t   t
+ */
+already_AddRefed<mozilla::layers::Layer> CreateLayerTree(
+    const char* aLayerTreeDescription,
+    nsIntRegion* aVisibleRegions,
+    const mozilla::gfx::Matrix4x4* aTransforms,
+    RefPtr<mozilla::layers::LayerManager>& aLayerManager,
+    nsTArray<RefPtr<mozilla::layers::Layer> >& aLayersOut);
+
+
+#endif
+
-- 
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