Mandoline: Rename components/view_manager to components/mus

components/view_manager/gles2/mojo_gpu_memory_buffer.cc

-// Copyright 2015 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 "components/view_manager/gles2/mojo_gpu_memory_buffer.h"
-
-#include "base/logging.h"
-#include "base/memory/shared_memory.h"
-#include "base/numerics/safe_conversions.h"
-#include "ui/gfx/buffer_format_util.h"
-
-namespace gles2 {
-
-MojoGpuMemoryBufferImpl::MojoGpuMemoryBufferImpl(
-    const gfx::Size& size,
-    gfx::BufferFormat format,
-    scoped_ptr<base::SharedMemory> shared_memory)
-    : size_(size),
-      format_(format),
-      shared_memory_(shared_memory.Pass()),
-      mapped_(false) {}
-
-MojoGpuMemoryBufferImpl::~MojoGpuMemoryBufferImpl() {
-}
-
-scoped_ptr<gfx::GpuMemoryBuffer> MojoGpuMemoryBufferImpl::Create(
-    const gfx::Size& size,
-    gfx::BufferFormat format,
-    gfx::BufferUsage usage) {
-  size_t bytes = gfx::BufferSizeForBufferFormat(size, format);
-  scoped_ptr<base::SharedMemory> shared_memory(new base::SharedMemory);
-  if (!shared_memory->CreateAnonymous(bytes))
-    return nullptr;
-  return make_scoped_ptr<gfx::GpuMemoryBuffer>(
-      new MojoGpuMemoryBufferImpl(size, format, shared_memory.Pass()));
-}
-
-MojoGpuMemoryBufferImpl* MojoGpuMemoryBufferImpl::FromClientBuffer(
-    ClientBuffer buffer) {
-  return reinterpret_cast<MojoGpuMemoryBufferImpl*>(buffer);
-}
-
-const unsigned char* MojoGpuMemoryBufferImpl::GetMemory() const {
-  return static_cast<const unsigned char*>(shared_memory_->memory());
-}
-
-bool MojoGpuMemoryBufferImpl::Map(void** data) {
-  DCHECK(!mapped_);
-  if (!shared_memory_->Map(gfx::BufferSizeForBufferFormat(size_, format_)))
-    return false;
-  mapped_ = true;
-  size_t offset = 0;
-  int num_planes = static_cast<int>(
-      gfx::NumberOfPlanesForBufferFormat(format_));
-  for (int i = 0; i < num_planes; ++i) {
-    data[i] = reinterpret_cast<uint8*>(shared_memory_->memory()) + offset;
-    offset +=
-        gfx::RowSizeForBufferFormat(size_.width(), format_, i) *
-        (size_.height() / gfx::SubsamplingFactorForBufferFormat(format_, i));
-  }
-  return true;
-}
-
-void MojoGpuMemoryBufferImpl::Unmap() {
-  DCHECK(mapped_);
-  shared_memory_->Unmap();
-  mapped_ = false;
-}
-
-bool MojoGpuMemoryBufferImpl::IsMapped() const {
-  return mapped_;
-}
-
-gfx::BufferFormat MojoGpuMemoryBufferImpl::GetFormat() const {
-  return format_;
-}
-
-void MojoGpuMemoryBufferImpl::GetStride(int* stride) const {
-  int num_planes = static_cast<int>(
-      gfx::NumberOfPlanesForBufferFormat(format_));
-  for (int i = 0; i < num_planes; ++i)
-    stride[i] = base::checked_cast<int>(
-        gfx::RowSizeForBufferFormat(size_.width(), format_, i));
-}
-
-gfx::GpuMemoryBufferId MojoGpuMemoryBufferImpl::GetId() const {
-  return gfx::GpuMemoryBufferId(0);
-}
-
-gfx::GpuMemoryBufferHandle MojoGpuMemoryBufferImpl::GetHandle() const {
-  gfx::GpuMemoryBufferHandle handle;
-  handle.type = gfx::SHARED_MEMORY_BUFFER;
-  handle.handle = shared_memory_->handle();
-  return handle;
-}
-
-ClientBuffer MojoGpuMemoryBufferImpl::AsClientBuffer() {
-  return reinterpret_cast<ClientBuffer>(this);
-}
-
-}  // namespace gles2