1 files changed, 106 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/win/WKCACFLayerRenderer.h b/WebCore/platform/graphics/win/WKCACFLayerRenderer.h
new file mode 100644
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+++ b/WebCore/platform/graphics/win/WKCACFLayerRenderer.h
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+/*
+ * Copyright (C) 2009 Apple Inc. All rights reserved.
+ *
+ * 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 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. 
+ */
+
+#ifndef WKCACFLayerRenderer_h
+#define WKCACFLayerRenderer_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "COMPtr.h"
+#include "Timer.h"
+#include "WKCACFLayer.h"
+
+#include <wtf/Noncopyable.h>
+
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+#include <wtf/RetainPtr.h>
+
+#include <CoreGraphics/CGGeometry.h>
+
+interface IDirect3DDevice9;
+typedef struct _CACFContext* CACFContextRef;
+typedef struct _CARenderContext CARenderContext;
+typedef struct _CARenderOGLContext CARenderOGLContext;
+
+namespace WebCore {
+
+// FIXME: Currently there is a WKCACFLayerRenderer for each WebView and each
+// has its own CARenderOGLContext and Direct3DDevice9, which is inefficient.
+// (https://bugs.webkit.org/show_bug.cgi?id=31855)
+class WKCACFLayerRenderer : public Noncopyable {
+public:
+    static PassOwnPtr<WKCACFLayerRenderer> create();
+    ~WKCACFLayerRenderer();
+
+    static bool acceleratedCompositingAvailable();
+    static void didFlushContext(CACFContextRef);
+
+    void setScrollFrame(int width, int height, int scrollX, int scrollY);
+    void setRootContents(CGImageRef);
+    void setRootChildLayer(WebCore::PlatformLayer* layer);
+    void setNeedsDisplay();
+    void setHostWindow(HWND window) { m_hostWindow = window; createRenderer(); }
+
+    void createRenderer();
+    void destroyRenderer();
+    void resize();
+    void renderSoon();
+
+protected:
+    WKCACFLayer* rootLayer() const { return m_rootLayer.get(); }
+
+private:
+    WKCACFLayerRenderer();
+
+    void renderTimerFired(Timer<WKCACFLayerRenderer>*);
+
+    CGRect bounds() const;
+
+    void initD3DGeometry();
+    void resetDevice();
+
+    void render(const Vector<CGRect>& dirtyRects = Vector<CGRect>());
+    void paint();
+
+    bool m_triedToCreateD3DRenderer;
+    COMPtr<IDirect3DDevice9> m_d3dDevice;
+    RefPtr<WKCACFLayer> m_rootLayer;
+    RefPtr<WKCACFLayer> m_viewLayer;
+    RefPtr<WKCACFLayer> m_scrollLayer;
+    RefPtr<WKCACFLayer> m_rootChildLayer;
+    RetainPtr<CACFContextRef> m_context;
+    CARenderContext* m_renderContext;
+    CARenderOGLContext* m_renderer;
+    HWND m_hostWindow;
+    Timer<WKCACFLayerRenderer> m_renderTimer;
+    int m_scrollFrameWidth, m_scrollFrameHeight;
+};
+
+}
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif // WKCACFLayerRenderer_h