Remove mojo/shell and (most) service implementations

mojo/gles2/command_buffer_client_impl.cc

Index: mojo/gles2/command_buffer_client_impl.cc
diff --git a/mojo/gles2/command_buffer_client_impl.cc b/mojo/gles2/command_buffer_client_impl.cc
deleted file mode 100644
index 8ad03d9e62c982b037df08926ca715ba9be4917e..0000000000000000000000000000000000000000
--- a/mojo/gles2/command_buffer_client_impl.cc
+++ /dev/null
@@ -1,294 +0,0 @@
-// 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/gles2/command_buffer_client_impl.h"
-
-#include <limits>
-
-#include "base/logging.h"
-#include "base/process/process_handle.h"
-#include "mojo/services/gles2/command_buffer_type_conversions.h"
-#include "mojo/services/gles2/mojo_buffer_backing.h"
-
-namespace mojo {
-namespace gles2 {
-
-namespace {
-
-bool CreateMapAndDupSharedBuffer(size_t size,
-                                 void** memory,
-                                 mojo::ScopedSharedBufferHandle* handle,
-                                 mojo::ScopedSharedBufferHandle* duped) {
-  MojoResult result = mojo::CreateSharedBuffer(NULL, size, handle);
-  if (result != MOJO_RESULT_OK)
-    return false;
-  DCHECK(handle->is_valid());
-
-  result = mojo::DuplicateBuffer(handle->get(), NULL, duped);
-  if (result != MOJO_RESULT_OK)
-    return false;
-  DCHECK(duped->is_valid());
-
-  result = mojo::MapBuffer(
-      handle->get(), 0, size, memory, MOJO_MAP_BUFFER_FLAG_NONE);
-  if (result != MOJO_RESULT_OK)
-    return false;
-  DCHECK(*memory);
-
-  return true;
-}
-
-}  // namespace
-
-CommandBufferDelegate::~CommandBufferDelegate() {}
-
-void CommandBufferDelegate::ContextLost() {}
-
-class CommandBufferClientImpl::SyncClientImpl
-    : public InterfaceImpl<CommandBufferSyncClient> {
- public:
-  SyncClientImpl() : initialized_successfully_(false) {}
-
-  bool WaitForInitialization() {
-    if (!WaitForIncomingMethodCall())
-      return false;
-    return initialized_successfully_;
-  }
-
-  CommandBufferStatePtr WaitForProgress() {
-    if (!WaitForIncomingMethodCall())
-      return CommandBufferStatePtr();
-    return command_buffer_state_.Pass();
-  }
-
- private:
-  // CommandBufferSyncClient methods:
-  void DidInitialize(bool success) override {
-    initialized_successfully_ = success;
-  }
-  void DidMakeProgress(CommandBufferStatePtr state) override {
-    command_buffer_state_ = state.Pass();
-  }
-
-  bool initialized_successfully_;
-  CommandBufferStatePtr command_buffer_state_;
-};
-
-CommandBufferClientImpl::CommandBufferClientImpl(
-    CommandBufferDelegate* delegate,
-    const MojoAsyncWaiter* async_waiter,
-    ScopedMessagePipeHandle command_buffer_handle)
-    : delegate_(delegate),
-      shared_state_(NULL),
-      last_put_offset_(-1),
-      next_transfer_buffer_id_(0),
-      async_waiter_(async_waiter) {
-  command_buffer_.Bind(command_buffer_handle.Pass(), async_waiter);
-  command_buffer_.set_error_handler(this);
-  command_buffer_.set_client(this);
-}
-
-CommandBufferClientImpl::~CommandBufferClientImpl() {}
-
-bool CommandBufferClientImpl::Initialize() {
-  const size_t kSharedStateSize = sizeof(gpu::CommandBufferSharedState);
-  void* memory = NULL;
-  mojo::ScopedSharedBufferHandle duped;
-  bool result = CreateMapAndDupSharedBuffer(
-      kSharedStateSize, &memory, &shared_state_handle_, &duped);
-  if (!result)
-    return false;
-
-  shared_state_ = static_cast<gpu::CommandBufferSharedState*>(memory);
-
-  shared_state()->Initialize();
-
-  CommandBufferSyncClientPtr sync_client;
-  sync_client_impl_.reset(
-      WeakBindToProxy(new SyncClientImpl(), &sync_client, async_waiter_));
-
-  command_buffer_->Initialize(sync_client.Pass(), duped.Pass());
-
-  // Wait for DidInitialize to come on the sync client pipe.
-  if (!sync_client_impl_->WaitForInitialization()) {
-    VLOG(1) << "Channel encountered error while creating command buffer";
-    return false;
-  }
-  return true;
-}
-
-gpu::CommandBuffer::State CommandBufferClientImpl::GetLastState() {
-  return last_state_;
-}
-
-int32 CommandBufferClientImpl::GetLastToken() {
-  TryUpdateState();
-  return last_state_.token;
-}
-
-void CommandBufferClientImpl::Flush(int32 put_offset) {
-  if (last_put_offset_ == put_offset)
-    return;
-
-  last_put_offset_ = put_offset;
-  command_buffer_->Flush(put_offset);
-}
-
-void CommandBufferClientImpl::WaitForTokenInRange(int32 start, int32 end) {
-  TryUpdateState();
-  while (!InRange(start, end, last_state_.token) &&
-         last_state_.error == gpu::error::kNoError) {
-    MakeProgressAndUpdateState();
-    TryUpdateState();
-  }
-}
-
-void CommandBufferClientImpl::WaitForGetOffsetInRange(int32 start, int32 end) {
-  TryUpdateState();
-  while (!InRange(start, end, last_state_.get_offset) &&
-         last_state_.error == gpu::error::kNoError) {
-    MakeProgressAndUpdateState();
-    TryUpdateState();
-  }
-}
-
-void CommandBufferClientImpl::SetGetBuffer(int32 shm_id) {
-  command_buffer_->SetGetBuffer(shm_id);
-  last_put_offset_ = -1;
-}
-
-scoped_refptr<gpu::Buffer> CommandBufferClientImpl::CreateTransferBuffer(
-    size_t size,
-    int32* id) {
-  if (size >= std::numeric_limits<uint32_t>::max())
-    return NULL;
-
-  void* memory = NULL;
-  mojo::ScopedSharedBufferHandle handle;
-  mojo::ScopedSharedBufferHandle duped;
-  if (!CreateMapAndDupSharedBuffer(size, &memory, &handle, &duped))
-    return NULL;
-
-  *id = ++next_transfer_buffer_id_;
-
-  command_buffer_->RegisterTransferBuffer(
-      *id, duped.Pass(), static_cast<uint32_t>(size));
-
-  scoped_ptr<gpu::BufferBacking> backing(
-      new MojoBufferBacking(handle.Pass(), memory, size));
-  scoped_refptr<gpu::Buffer> buffer(new gpu::Buffer(backing.Pass()));
-  return buffer;
-}
-
-void CommandBufferClientImpl::DestroyTransferBuffer(int32 id) {
-  command_buffer_->DestroyTransferBuffer(id);
-}
-
-gpu::Capabilities CommandBufferClientImpl::GetCapabilities() {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-  return gpu::Capabilities();
-}
-
-int32_t CommandBufferClientImpl::CreateImage(ClientBuffer buffer,
-                                             size_t width,
-                                             size_t height,
-                                             unsigned internalformat) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-  return -1;
-}
-
-void CommandBufferClientImpl::DestroyImage(int32 id) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-}
-
-int32_t CommandBufferClientImpl::CreateGpuMemoryBufferImage(
-    size_t width,
-    size_t height,
-    unsigned internalformat,
-    unsigned usage) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-  return -1;
-}
-
-uint32 CommandBufferClientImpl::InsertSyncPoint() {
-  // TODO(jamesr): Optimize this.
-  WaitForGetOffsetInRange(last_put_offset_, last_put_offset_);
-  return 0;
-}
-
-uint32 CommandBufferClientImpl::InsertFutureSyncPoint() {
-  // TODO(jamesr): Optimize this.
-  WaitForGetOffsetInRange(last_put_offset_, last_put_offset_);
-  return 0;
-}
-
-void CommandBufferClientImpl::RetireSyncPoint(uint32 sync_point) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-}
-
-void CommandBufferClientImpl::SignalSyncPoint(uint32 sync_point,
-                                              const base::Closure& callback) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-}
-
-void CommandBufferClientImpl::SignalQuery(uint32 query,
-                                          const base::Closure& callback) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-}
-
-void CommandBufferClientImpl::SetSurfaceVisible(bool visible) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-}
-
-uint32 CommandBufferClientImpl::CreateStreamTexture(uint32 texture_id) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-  return 0;
-}
-
-void CommandBufferClientImpl::DidDestroy() {
-  LostContext(gpu::error::kUnknown);
-}
-
-void CommandBufferClientImpl::LostContext(int32_t lost_reason) {
-  last_state_.error = gpu::error::kLostContext;
-  last_state_.context_lost_reason =
-      static_cast<gpu::error::ContextLostReason>(lost_reason);
-  delegate_->ContextLost();
-}
-
-void CommandBufferClientImpl::OnConnectionError() {
-  LostContext(gpu::error::kUnknown);
-}
-
-void CommandBufferClientImpl::TryUpdateState() {
-  if (last_state_.error == gpu::error::kNoError)
-    shared_state()->Read(&last_state_);
-}
-
-void CommandBufferClientImpl::MakeProgressAndUpdateState() {
-  command_buffer_->MakeProgress(last_state_.get_offset);
-
-  CommandBufferStatePtr state = sync_client_impl_->WaitForProgress();
-  if (!state) {
-    VLOG(1) << "Channel encountered error while waiting for command buffer";
-    // TODO(piman): is it ok for this to re-enter?
-    DidDestroy();
-    return;
-  }
-
-  if (state->generation - last_state_.generation < 0x80000000U)
-    last_state_ = state.To<State>();
-}
-
-}  // namespace gles2
-}  // namespace mojo