1 files changed, 55 insertions, 0 deletions
diff --git a/chromium/cc/output/software_output_device.h b/chromium/cc/output/software_output_device.h
new file mode 100644
index 00000000000..fbada745a0a
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+++ b/chromium/cc/output/software_output_device.h
@@ -0,0 +1,55 @@
+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_OUTPUT_SOFTWARE_OUTPUT_DEVICE_H_
+#define CC_OUTPUT_SOFTWARE_OUTPUT_DEVICE_H_
+
+#include "base/basictypes.h"
+#include "cc/base/cc_export.h"
+#include "skia/ext/refptr.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/size.h"
+#include "ui/gfx/vector2d.h"
+
+class SkBitmap;
+class SkDevice;
+class SkCanvas;
+
+namespace cc {
+
+class SoftwareFrameData;
+
+// This is a "tear-off" class providing software drawing support to
+// OutputSurface, such as to a platform-provided window framebuffer.
+class CC_EXPORT SoftwareOutputDevice {
+ public:
+  SoftwareOutputDevice();
+  virtual ~SoftwareOutputDevice();
+
+  // SoftwareOutputDevice implementation.
+  virtual void Resize(gfx::Size size);
+
+  virtual SkCanvas* BeginPaint(gfx::Rect damage_rect);
+  virtual void EndPaint(SoftwareFrameData* frame_data);
+
+  virtual void CopyToBitmap(gfx::Rect rect, SkBitmap* output);
+  virtual void Scroll(gfx::Vector2d delta,
+                      gfx::Rect clip_rect);
+
+  // TODO(skaslev) Remove this after UberCompositor lands.
+  virtual void ReclaimSoftwareFrame(unsigned id);
+
+ protected:
+  gfx::Size viewport_size_;
+  gfx::Rect damage_rect_;
+  skia::RefPtr<SkDevice> device_;
+  skia::RefPtr<SkCanvas> canvas_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SoftwareOutputDevice);
+};
+
+}  // namespace cc
+
+#endif  // CC_OUTPUT_SOFTWARE_OUTPUT_DEVICE_H_