Index: content/renderer/gpu/compositor_software_output_device.h |
diff --git a/content/renderer/gpu/compositor_software_output_device.h b/content/renderer/gpu/compositor_software_output_device.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..af7537b354931765e12e4c84717dc3691b71e6c6 |
--- /dev/null |
+++ b/content/renderer/gpu/compositor_software_output_device.h |
@@ -0,0 +1,56 @@ |
+// Copyright (c) 2013 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 CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ |
+#define CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ |
+ |
+#include "base/memory/scoped_ptr.h" |
+#include "base/memory/scoped_vector.h" |
+#include "base/threading/non_thread_safe.h" |
+#include "cc/software_output_device.h" |
+#include "third_party/skia/include/core/SkBitmap.h" |
+#include "ui/surface/transport_dib.h" |
+ |
+namespace content { |
+ |
+// This class can be created only on the main thread, but then becomes pinned |
+// to a fixed thread when bindToClient is called. |
+class CompositorSoftwareOutputDevice |
+ : NON_EXPORTED_BASE(public cc::SoftwareOutputDevice), |
+ NON_EXPORTED_BASE(public base::NonThreadSafe) { |
+public: |
+ CompositorSoftwareOutputDevice(); |
+ virtual ~CompositorSoftwareOutputDevice(); |
+ |
+ virtual void Resize(const gfx::Size& size) OVERRIDE; |
+ |
+ virtual SkCanvas* BeginPaint(const gfx::Rect& damage_rect) OVERRIDE; |
+ virtual void EndPaint(cc::SoftwareFrameData* frame_data) OVERRIDE; |
+ |
+ virtual void ReclaimDIB(TransportDIB::Handle handle) OVERRIDE; |
+ |
+private: |
+ size_t ViewportSizeInBytes() const { |
+ return 4 * viewport_size_.GetArea(); |
+ } |
+ |
+ TransportDIB* CreateDIB() { |
+ TransportDIB* dib = |
+ TransportDIB::Create(ViewportSizeInBytes(), sequence_num_++); |
+ CHECK(dib); |
+ return dib; |
+ } |
+ |
+ static const int kNumBuffers = 2; |
+ int front_buffer_; |
+ int last_buffer_; |
+ int num_free_buffers_; |
+ ScopedVector<TransportDIB> dibs_; |
+ SkBitmap bitmap_; // TODO(skaslev) can we get rid of this? |
+ uint32 sequence_num_; |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ |