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 "mojo/services/gles2/mojo_buffer_backing.h" 6 7 #include "base/logging.h" 8 9 namespace mojo { 10 namespace gles2 { 11 12 MojoBufferBacking::MojoBufferBacking(mojo::ScopedSharedBufferHandle handle, 13 void* memory, 14 size_t size) 15 : handle_(handle.Pass()), memory_(memory), size_(size) {} 16 17 MojoBufferBacking::~MojoBufferBacking() { mojo::UnmapBuffer(memory_); } 18 19 // static 20 scoped_ptr<gpu::BufferBacking> MojoBufferBacking::Create( 21 mojo::ScopedSharedBufferHandle handle, 22 size_t size) { 23 void* memory = NULL; 24 MojoResult result = mojo::MapBuffer( 25 handle.get(), 0, size, &memory, MOJO_MAP_BUFFER_FLAG_NONE); 26 if (result != MOJO_RESULT_OK) 27 return scoped_ptr<BufferBacking>(); 28 DCHECK(memory); 29 return scoped_ptr<BufferBacking>( 30 new MojoBufferBacking(handle.Pass(), memory, size)); 31 } 32 void* MojoBufferBacking::GetMemory() const { return memory_; } 33 size_t MojoBufferBacking::GetSize() const { return size_; } 34 35 } // namespace gles2 36 } // namespace mojo 37