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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "services/ui/common/mojo_buffer_backing.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "base/memory/ptr_util.h" | |
9 | |
10 namespace ui { | |
11 | |
12 MojoBufferBacking::MojoBufferBacking(mojo::ScopedSharedBufferMapping mapping, | |
13 size_t size) | |
14 : mapping_(std::move(mapping)), size_(size) {} | |
15 | |
16 MojoBufferBacking::~MojoBufferBacking() = default; | |
17 | |
18 // static | |
19 std::unique_ptr<gpu::BufferBacking> MojoBufferBacking::Create( | |
20 mojo::ScopedSharedBufferHandle handle, | |
21 size_t size) { | |
22 mojo::ScopedSharedBufferMapping mapping = handle->Map(size); | |
23 if (!mapping) | |
24 return nullptr; | |
25 return base::MakeUnique<MojoBufferBacking>(std::move(mapping), size); | |
26 } | |
27 void* MojoBufferBacking::GetMemory() const { | |
28 return mapping_.get(); | |
29 } | |
30 size_t MojoBufferBacking::GetSize() const { | |
31 return size_; | |
32 } | |
33 | |
34 } // namespace ui | |
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