Mandoline: Rename components/view_manager to components/mus

components/view_manager/gles2/command_buffer_driver.cc

Index: components/view_manager/gles2/command_buffer_driver.cc
diff --git a/components/view_manager/gles2/command_buffer_driver.cc b/components/view_manager/gles2/command_buffer_driver.cc
deleted file mode 100644
index 7bf92b07008f9df4c3ef16f453b79daf3f90b905..0000000000000000000000000000000000000000
--- a/components/view_manager/gles2/command_buffer_driver.cc
+++ /dev/null
@@ -1,310 +0,0 @@
-// Copyright 2013 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/command_buffer_driver.h"
-
-#include "base/bind.h"
-#include "base/macros.h"
-#include "base/memory/shared_memory.h"
-#include "components/view_manager/gles2/command_buffer_type_conversions.h"
-#include "components/view_manager/gles2/gpu_memory_tracker.h"
-#include "components/view_manager/gles2/gpu_state.h"
-#include "components/view_manager/gles2/mojo_buffer_backing.h"
-#include "gpu/command_buffer/common/constants.h"
-#include "gpu/command_buffer/common/value_state.h"
-#include "gpu/command_buffer/service/command_buffer_service.h"
-#include "gpu/command_buffer/service/context_group.h"
-#include "gpu/command_buffer/service/gles2_cmd_decoder.h"
-#include "gpu/command_buffer/service/gpu_scheduler.h"
-#include "gpu/command_buffer/service/image_factory.h"
-#include "gpu/command_buffer/service/image_manager.h"
-#include "gpu/command_buffer/service/mailbox_manager.h"
-#include "gpu/command_buffer/service/memory_tracking.h"
-#include "gpu/command_buffer/service/sync_point_manager.h"
-#include "gpu/command_buffer/service/transfer_buffer_manager.h"
-#include "gpu/command_buffer/service/valuebuffer_manager.h"
-#include "mojo/converters/geometry/geometry_type_converters.h"
-#include "mojo/platform_handle/platform_handle_functions.h"
-#include "ui/gfx/gpu_memory_buffer.h"
-#include "ui/gfx/vsync_provider.h"
-#include "ui/gl/gl_context.h"
-#include "ui/gl/gl_image_shared_memory.h"
-#include "ui/gl/gl_surface.h"
-
-namespace gles2 {
-
-CommandBufferDriver::Client::~Client() {
-}
-
-CommandBufferDriver::CommandBufferDriver(scoped_refptr<GpuState> gpu_state)
-    : client_(nullptr),
-      gpu_state_(gpu_state),
-      weak_factory_(this) {
-}
-
-CommandBufferDriver::~CommandBufferDriver() {
-  DestroyDecoder();
-}
-
-void CommandBufferDriver::Initialize(
-    mojo::CommandBufferSyncClientPtr sync_client,
-    mojo::CommandBufferLostContextObserverPtr loss_observer,
-    mojo::ScopedSharedBufferHandle shared_state) {
-  sync_client_ = sync_client.Pass();
-  loss_observer_ = loss_observer.Pass();
-  bool success = DoInitialize(shared_state.Pass());
-  mojo::GpuCapabilitiesPtr capabilities =
-      success ? mojo::GpuCapabilities::From(decoder_->GetCapabilities())
-              : nullptr;
-  sync_client_->DidInitialize(success, capabilities.Pass());
-}
-
-bool CommandBufferDriver::MakeCurrent() {
-  if (!decoder_)
-    return false;
-  if (decoder_->MakeCurrent())
-    return true;
-  DLOG(ERROR) << "Context lost because MakeCurrent failed.";
-  gpu::error::ContextLostReason reason =
-      static_cast<gpu::error::ContextLostReason>(
-          decoder_->GetContextLostReason());
-  command_buffer_->SetContextLostReason(reason);
-  command_buffer_->SetParseError(gpu::error::kLostContext);
-  OnContextLost(reason);
-  return false;
-}
-
-bool CommandBufferDriver::DoInitialize(
-    mojo::ScopedSharedBufferHandle shared_state) {
-  surface_ = gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size(1, 1));
-
-  if (!surface_.get())
-    return false;
-
-  // TODO(piman): virtual contexts, gpu preference.
-  context_ = gfx::GLContext::CreateGLContext(
-      gpu_state_->share_group(), surface_.get(), gfx::PreferIntegratedGpu);
-  if (!context_.get())
-    return false;
-
-  if (!context_->MakeCurrent(surface_.get()))
-    return false;
-
-  // TODO(piman): ShaderTranslatorCache is currently per-ContextGroup but
-  // only needs to be per-thread.
-  bool bind_generates_resource = false;
-  scoped_refptr<gpu::gles2::ContextGroup> context_group =
-      new gpu::gles2::ContextGroup(
-          gpu_state_->mailbox_manager(), new GpuMemoryTracker,
-          new gpu::gles2::ShaderTranslatorCache,
-          new gpu::gles2::FramebufferCompletenessCache, nullptr, nullptr,
-          nullptr, bind_generates_resource);
-
-  command_buffer_.reset(
-      new gpu::CommandBufferService(context_group->transfer_buffer_manager()));
-  bool result = command_buffer_->Initialize();
-  DCHECK(result);
-
-  decoder_.reset(::gpu::gles2::GLES2Decoder::Create(context_group.get()));
-  scheduler_.reset(new gpu::GpuScheduler(command_buffer_.get(), decoder_.get(),
-                                         decoder_.get()));
-  decoder_->set_engine(scheduler_.get());
-  decoder_->SetResizeCallback(
-      base::Bind(&CommandBufferDriver::OnResize, base::Unretained(this)));
-  decoder_->SetWaitSyncPointCallback(base::Bind(
-      &CommandBufferDriver::OnWaitSyncPoint, base::Unretained(this)));
-
-  gpu::gles2::DisallowedFeatures disallowed_features;
-
-  // TODO(piman): attributes.
-  std::vector<int32> attrib_vector;
-  if (!decoder_->Initialize(surface_, context_, false /* offscreen */,
-                            gfx::Size(1, 1), disallowed_features,
-                            attrib_vector))
-    return false;
-
-  command_buffer_->SetPutOffsetChangeCallback(base::Bind(
-      &gpu::GpuScheduler::PutChanged, base::Unretained(scheduler_.get())));
-  command_buffer_->SetGetBufferChangeCallback(base::Bind(
-      &gpu::GpuScheduler::SetGetBuffer, base::Unretained(scheduler_.get())));
-  command_buffer_->SetParseErrorCallback(
-      base::Bind(&CommandBufferDriver::OnParseError, base::Unretained(this)));
-
-  // TODO(piman): other callbacks
-
-  const size_t kSize = sizeof(gpu::CommandBufferSharedState);
-  scoped_ptr<gpu::BufferBacking> backing(
-      gles2::MojoBufferBacking::Create(shared_state.Pass(), kSize));
-  if (!backing)
-    return false;
-
-  command_buffer_->SetSharedStateBuffer(backing.Pass());
-  return true;
-}
-
-void CommandBufferDriver::SetGetBuffer(int32_t buffer) {
-  command_buffer_->SetGetBuffer(buffer);
-}
-
-void CommandBufferDriver::Flush(int32_t put_offset) {
-  if (!context_)
-    return;
-  if (!context_->MakeCurrent(surface_.get())) {
-    DLOG(WARNING) << "Context lost";
-    OnContextLost(gpu::error::kUnknown);
-    return;
-  }
-  command_buffer_->Flush(put_offset);
-}
-
-void CommandBufferDriver::MakeProgress(int32_t last_get_offset) {
-  // TODO(piman): handle out-of-order.
-  sync_client_->DidMakeProgress(
-      mojo::CommandBufferState::From(command_buffer_->GetLastState()));
-}
-
-void CommandBufferDriver::RegisterTransferBuffer(
-    int32_t id,
-    mojo::ScopedSharedBufferHandle transfer_buffer,
-    uint32_t size) {
-  // Take ownership of the memory and map it into this process.
-  // This validates the size.
-  scoped_ptr<gpu::BufferBacking> backing(
-      gles2::MojoBufferBacking::Create(transfer_buffer.Pass(), size));
-  if (!backing) {
-    DVLOG(0) << "Failed to map shared memory.";
-    return;
-  }
-  command_buffer_->RegisterTransferBuffer(id, backing.Pass());
-}
-
-void CommandBufferDriver::DestroyTransferBuffer(int32_t id) {
-  command_buffer_->DestroyTransferBuffer(id);
-}
-
-void CommandBufferDriver::Echo(const mojo::Callback<void()>& callback) {
-  callback.Run();
-}
-
-void CommandBufferDriver::CreateImage(int32_t id,
-                                      mojo::ScopedHandle memory_handle,
-                                      int32 type,
-                                      mojo::SizePtr size,
-                                      int32_t format,
-                                      int32_t internal_format) {
-  if (!MakeCurrent())
-    return;
-
-  gpu::gles2::ImageManager* image_manager = decoder_->GetImageManager();
-  if (image_manager->LookupImage(id)) {
-    LOG(ERROR) << "Image already exists with same ID.";
-    return;
-  }
-
-  gfx::BufferFormat gpu_format = static_cast<gfx::BufferFormat>(format);
-  if (!gpu::ImageFactory::IsGpuMemoryBufferFormatSupported(
-          gpu_format, decoder_->GetCapabilities())) {
-    LOG(ERROR) << "Format is not supported.";
-    return;
-  }
-
-  gfx::Size gfx_size = size.To<gfx::Size>();
-  if (!gpu::ImageFactory::IsImageSizeValidForGpuMemoryBufferFormat(
-      gfx_size, gpu_format)) {
-    LOG(ERROR) << "Invalid image size for format.";
-    return;
-  }
-
-  if (!gpu::ImageFactory::IsImageFormatCompatibleWithGpuMemoryBufferFormat(
-          internal_format, gpu_format)) {
-    LOG(ERROR) << "Incompatible image format.";
-    return;
-  }
-
-  if (type != gfx::SHARED_MEMORY_BUFFER) {
-    NOTIMPLEMENTED();
-    return;
-  }
-
-  gfx::GpuMemoryBufferHandle gfx_handle;
-  // TODO(jam): create mojo enum for this and converter
-  gfx_handle.type = static_cast<gfx::GpuMemoryBufferType>(type);
-  gfx_handle.id = gfx::GpuMemoryBufferId(id);
-
-  MojoPlatformHandle platform_handle;
-  MojoResult extract_result = MojoExtractPlatformHandle(
-      memory_handle.release().value(),
-      &platform_handle);
-  if (extract_result != MOJO_RESULT_OK) {
-    NOTREACHED();
-    return;
-  }
-
-#if defined(OS_WIN)
-  gfx_handle.handle = platform_handle;
-#else
-  gfx_handle.handle = base::FileDescriptor(platform_handle, false);
-#endif
-
-  scoped_refptr<gfx::GLImageSharedMemory> image =
-      new gfx::GLImageSharedMemory(gfx_size, internal_format);
-  // TODO(jam): also need a mojo enum for this enum
-  if (!image->Initialize(gfx_handle, gpu_format)) {
-    NOTREACHED();
-    return;
-  }
-
-  image_manager->AddImage(image.get(), id);
-}
-
-void CommandBufferDriver::DestroyImage(int32_t id) {
-  gpu::gles2::ImageManager* image_manager = decoder_->GetImageManager();
-  if (!image_manager->LookupImage(id)) {
-    LOG(ERROR) << "Image with ID doesn't exist.";
-    return;
-  }
-  if (!MakeCurrent())
-    return;
-  image_manager->RemoveImage(id);
-}
-
-void CommandBufferDriver::OnParseError() {
-  gpu::CommandBuffer::State state = command_buffer_->GetLastState();
-  OnContextLost(state.context_lost_reason);
-}
-
-void CommandBufferDriver::OnResize(gfx::Size size, float scale_factor) {
-  surface_->Resize(size);
-}
-
-bool CommandBufferDriver::OnWaitSyncPoint(uint32_t sync_point) {
-  if (!sync_point)
-    return true;
-  if (gpu_state_->sync_point_manager()->IsSyncPointRetired(sync_point))
-    return true;
-  scheduler_->SetScheduled(false);
-  gpu_state_->sync_point_manager()->AddSyncPointCallback(
-      sync_point, base::Bind(&CommandBufferDriver::OnSyncPointRetired,
-                             weak_factory_.GetWeakPtr()));
-  return scheduler_->IsScheduled();
-}
-
-void CommandBufferDriver::OnSyncPointRetired() {
-  scheduler_->SetScheduled(true);
-}
-
-void CommandBufferDriver::OnContextLost(uint32_t reason) {
-  loss_observer_->DidLoseContext(reason);
-  client_->DidLoseContext();
-}
-
-void CommandBufferDriver::DestroyDecoder() {
-  if (decoder_) {
-    bool have_context = decoder_->MakeCurrent();
-    decoder_->Destroy(have_context);
-    decoder_.reset();
-  }
-}
-
-}  // namespace gles2