1 files changed, 55 insertions, 0 deletions
diff --git a/ppapi/cpp/dev/buffer_dev.cc b/ppapi/cpp/dev/buffer_dev.cc
new file mode 100644
index 0000000..57ebed7
--- /dev/null
+++ b/ppapi/cpp/dev/buffer_dev.cc
@@ -0,0 +1,55 @@
+// Copyright (c) 2010 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.
+
+#include "ppapi/cpp/dev/buffer_dev.h"
+
+#include "ppapi/c/dev/ppb_buffer_dev.h"
+#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
+#include "ppapi/cpp/module_impl.h"
+
+namespace {
+
+DeviceFuncs<PPB_Buffer_Dev> buffer_f(PPB_BUFFER_DEV_INTERFACE);
+
+}  // namespace
+
+namespace pp {
+
+Buffer_Dev::Buffer_Dev() : data_(NULL), size_(0) {
+}
+
+Buffer_Dev::Buffer_Dev(const Buffer_Dev& other)
+    : Resource(other),
+      data_(other.data_),
+      size_(other.size_) {
+}
+
+Buffer_Dev::Buffer_Dev(int32_t size) : data_(NULL), size_(0) {
+  if (!buffer_f)
+    return;
+
+  PassRefFromConstructor(buffer_f->Create(Module::Get()->pp_module(), size));
+  if (!buffer_f->Describe(pp_resource(), &size_) ||
+      !(data_ = buffer_f->Map(pp_resource())))
+    *this = Buffer_Dev();
+}
+
+Buffer_Dev::~Buffer_Dev() {
+}
+
+Buffer_Dev& Buffer_Dev::operator=(const Buffer_Dev& other) {
+  Buffer_Dev copy(other);
+  swap(copy);
+  return *this;
+}
+
+void Buffer_Dev::swap(Buffer_Dev& other) {
+  Resource::swap(other);
+  std::swap(size_, other.size_);
+  std::swap(data_, other.data_);
+}
+
+}  // namespace pp
+