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// Copyright 2014 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 "mojo/services/gles2/mojo_buffer_backing.h"
#include "base/logging.h"
namespace mojo {
namespace gles2 {
MojoBufferBacking::MojoBufferBacking(mojo::ScopedSharedBufferHandle handle,
void* memory,
size_t size)
: handle_(handle.Pass()), memory_(memory), size_(size) {}
MojoBufferBacking::~MojoBufferBacking() { mojo::UnmapBuffer(memory_); }
// static
scoped_ptr<gpu::BufferBacking> MojoBufferBacking::Create(
mojo::ScopedSharedBufferHandle handle,
size_t size) {
void* memory = NULL;
MojoResult result = mojo::MapBuffer(
handle.get(), 0, size, &memory, MOJO_MAP_BUFFER_FLAG_NONE);
if (result != MOJO_RESULT_OK)
return scoped_ptr<BufferBacking>();
DCHECK(memory);
return scoped_ptr<BufferBacking>(
new MojoBufferBacking(handle.Pass(), memory, size));
}
void* MojoBufferBacking::GetMemory() const { return memory_; }
size_t MojoBufferBacking::GetSize() const { return size_; }
} // namespace gles2
} // namespace mojo
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