1 files changed, 85 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/gtk/AcceleratedBackingStore.cpp b/Source/WebKit2/UIProcess/gtk/AcceleratedBackingStore.cpp
new file mode 100644
index 000000000..7618dffe0
--- /dev/null
+++ b/Source/WebKit2/UIProcess/gtk/AcceleratedBackingStore.cpp
@@ -0,0 +1,85 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "AcceleratedBackingStore.h"
+
+#include "WebPageProxy.h"
+#include <WebCore/CairoUtilities.h>
+#include <WebCore/PlatformDisplay.h>
+
+#if PLATFORM(WAYLAND)
+#include "AcceleratedBackingStoreWayland.h"
+#endif
+
+#if USE(REDIRECTED_XCOMPOSITE_WINDOW)
+#include "AcceleratedBackingStoreX11.h"
+#endif
+
+using namespace WebCore;
+
+namespace WebKit {
+
+std::unique_ptr<AcceleratedBackingStore> AcceleratedBackingStore::create(WebPageProxy& webPage)
+{
+#if PLATFORM(WAYLAND) && USE(EGL)
+    if (PlatformDisplay::sharedDisplay().type() == PlatformDisplay::Type::Wayland)
+        return AcceleratedBackingStoreWayland::create(webPage);
+#endif
+#if USE(REDIRECTED_XCOMPOSITE_WINDOW)
+    if (PlatformDisplay::sharedDisplay().type() == PlatformDisplay::Type::X11)
+        return AcceleratedBackingStoreX11::create(webPage);
+#endif
+    return nullptr;
+}
+
+AcceleratedBackingStore::AcceleratedBackingStore(WebPageProxy& webPage)
+    : m_webPage(webPage)
+{
+}
+
+bool AcceleratedBackingStore::paint(cairo_t* cr, const IntRect& clipRect)
+{
+    if (m_webPage.drawsBackground())
+        return true;
+
+    const WebCore::Color& color = m_webPage.backgroundColor();
+    if (!color.isOpaque()) {
+        cairo_rectangle(cr, clipRect.x(), clipRect.y(), clipRect.width(), clipRect.height());
+        cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
+        cairo_fill(cr);
+    }
+
+    if (color.isVisible()) {
+        setSourceRGBAFromColor(cr, color);
+        cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
+        cairo_rectangle(cr, clipRect.x(), clipRect.y(), clipRect.width(), clipRect.height());
+        cairo_fill(cr);
+    }
+
+    return true;
+}
+
+} // namespace WebKit