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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 "components/view_manager/gles2/mojo_buffer_backing.h" | |
6 | |
7 #include "base/logging.h" | |
8 | |
9 namespace gles2 { | |
10 | |
11 MojoBufferBacking::MojoBufferBacking(mojo::ScopedSharedBufferHandle handle, | |
12 void* memory, | |
13 size_t size) | |
14 : handle_(handle.Pass()), memory_(memory), size_(size) {} | |
15 | |
16 MojoBufferBacking::~MojoBufferBacking() { mojo::UnmapBuffer(memory_); } | |
17 | |
18 // static | |
19 scoped_ptr<gpu::BufferBacking> MojoBufferBacking::Create( | |
20 mojo::ScopedSharedBufferHandle handle, | |
21 size_t size) { | |
22 void* memory = NULL; | |
23 MojoResult result = mojo::MapBuffer( | |
24 handle.get(), 0, size, &memory, MOJO_MAP_BUFFER_FLAG_NONE); | |
25 if (result != MOJO_RESULT_OK) | |
26 return scoped_ptr<BufferBacking>(); | |
27 DCHECK(memory); | |
28 return scoped_ptr<BufferBacking>( | |
29 new MojoBufferBacking(handle.Pass(), memory, size)); | |
30 } | |
31 void* MojoBufferBacking::GetMemory() const { return memory_; } | |
32 size_t MojoBufferBacking::GetSize() const { return size_; } | |
33 | |
34 } // namespace gles2 | |
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