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-rw-r--r--chromium/ppapi/cpp/dev/buffer_dev.h46
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diff --git a/chromium/ppapi/cpp/dev/buffer_dev.h b/chromium/ppapi/cpp/dev/buffer_dev.h
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+// Copyright (c) 2011 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 PPAPI_CPP_DEV_BUFFER_DEV_H_
+#define PPAPI_CPP_DEV_BUFFER_DEV_H_
+
+#include "ppapi/cpp/resource.h"
+
+namespace pp {
+
+class InstanceHandle;
+
+class Buffer_Dev : public Resource {
+ public:
+ // Creates an is_null() Buffer object.
+ Buffer_Dev();
+ Buffer_Dev(const Buffer_Dev& other);
+ explicit Buffer_Dev(PP_Resource resource);
+
+ // Creates & Maps a new Buffer in the browser with the given size. The
+ // resulting object will be is_null() if either Create() or Map() fails.
+ Buffer_Dev(const InstanceHandle& instance, uint32_t size);
+
+ // Constructor used when the buffer resource already has a reference count
+ // assigned. No additional reference is taken.
+ Buffer_Dev(PassRef, PP_Resource resource);
+
+ // Unmap the underlying shared memory.
+ virtual ~Buffer_Dev();
+
+ Buffer_Dev& operator=(const Buffer_Dev& rhs);
+
+ uint32_t size() const { return size_; }
+ void* data() const { return data_; }
+
+ private:
+ void Init();
+
+ void* data_;
+ uint32_t size_;
+};
+
+} // namespace pp
+
+#endif // PPAPI_CPP_DEV_BUFFER_DEV_H_