1 files changed, 56 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/gtk/AcceleratedBackingStore.h b/Source/WebKit2/UIProcess/gtk/AcceleratedBackingStore.h
new file mode 100644
index 000000000..3de3b5dfa
--- /dev/null
+++ b/Source/WebKit2/UIProcess/gtk/AcceleratedBackingStore.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2016 Igalia S.L.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <wtf/Noncopyable.h>
+
+typedef struct _cairo cairo_t;
+
+namespace WebCore {
+class IntRect;
+}
+
+namespace WebKit {
+
+class LayerTreeContext;
+class WebPageProxy;
+
+class AcceleratedBackingStore {
+    WTF_MAKE_NONCOPYABLE(AcceleratedBackingStore); WTF_MAKE_FAST_ALLOCATED;
+public:
+    static std::unique_ptr<AcceleratedBackingStore> create(WebPageProxy&);
+    virtual ~AcceleratedBackingStore() = default;
+
+    virtual void update(const LayerTreeContext&) { }
+    virtual bool paint(cairo_t*, const WebCore::IntRect&);
+
+protected:
+    AcceleratedBackingStore(WebPageProxy&);
+
+    WebPageProxy& m_webPage;
+};
+
+} // namespace WebKit