Implement MusGpuMemoryBufferManager

components/mus/surfaces/direct_output_surface_ozone.cc

 // Copyright 2016 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/mus/surfaces/direct_output_surface_ozone.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/context_provider.h"
 #include "cc/output/output_surface_client.h"
 #include "components/display_compositor/buffer_queue.h"
+#include "components/mus/common/gpu_service.h"
 #include "components/mus/common/mojo_gpu_memory_buffer_manager.h"
+#include "components/mus/gpu/mus_gpu_memory_buffer_manager.h"
 #include "components/mus/surfaces/surfaces_context_provider.h"
 #include "gpu/command_buffer/client/context_support.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 
 using display_compositor::BufferQueue;
 
 namespace mus {
 
 DirectOutputSurfaceOzone::DirectOutputSurfaceOzone(
     scoped_refptr<SurfacesContextProvider> context_provider,
     gfx::AcceleratedWidget widget,
     base::SingleThreadTaskRunner* task_runner,
     uint32_t target,
     uint32_t internalformat)
     : cc::OutputSurface(context_provider, nullptr, nullptr),
       gl_helper_(context_provider->ContextGL(),
                  context_provider->ContextSupport()),
-      buffer_queue_(new BufferQueue(context_provider->ContextGL(),
-                                    target,
-                                    internalformat,
-                                    &gl_helper_,
-                                    &gpu_memory_buffer_manager_,
-                                    widget)),
       synthetic_begin_frame_source_(new cc::SyntheticBeginFrameSource(
           task_runner,
           cc::BeginFrameArgs::DefaultInterval())),
       weak_ptr_factory_(this) {
+  if (!GpuService::UseChromeGpuCommandBuffer()) {
+    ozone_gpu_memory_buffer_manager_.reset(new OzoneGpuMemoryBufferManager());
+    buffer_queue_.reset(new BufferQueue(
+        context_provider->ContextGL(), target, internalformat, &gl_helper_,
+        ozone_gpu_memory_buffer_manager_.get(), widget));
+  } else {
+    buffer_queue_.reset(new BufferQueue(
+        context_provider->ContextGL(), target, internalformat, &gl_helper_,
+        MusGpuMemoryBufferManager::current(), widget));
+  }
+
   capabilities_.uses_default_gl_framebuffer = false;
   capabilities_.flipped_output_surface = true;
   // Set |max_frames_pending| to 2 for surfaceless, which aligns scheduling
   // more closely with the previous surfaced behavior.
   // With a surface, swap buffer ack used to return early, before actually
   // presenting the back buffer, enabling the browser compositor to run ahead.
   // Surfaceless implementation acks at the time of actual buffer swap, which
   // shifts the start of the new frame forward relative to the old
   // implementation.
   capabilities_.max_frames_pending = 2;
@@ skipping 95 matching lines @@
 // must create the native window in the size that the hardware reports.
 void DirectOutputSurfaceOzone::Reshape(const gfx::Size& size,
                                        float scale_factor,
                                        bool alpha) {
   OutputSurface::Reshape(size, scale_factor, alpha);
   DCHECK(buffer_queue_);
   buffer_queue_->Reshape(SurfaceSize(), scale_factor);
 }
 
 }  // namespace mus