Added the Vulkan Context Provider implementation.

content/browser/browser_main_loop.cc

 // Copyright (c) 2012 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 "content/browser/browser_main_loop.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 167 matching lines @@
 
 #if defined(USE_NSS_CERTS) || !defined(USE_OPENSSL)
 #include "crypto/nss_util.h"
 #endif
 
 #if defined(MOJO_SHELL_CLIENT)
 #include "services/shell/public/cpp/connector.h"
 #include "ui/views/mus/window_manager_connection.h"
 #endif
 
+#if defined(ENABLE_VULKAN)
+#include "gpu/vulkan/vulkan_implementation.h"
+#endif
+
 // One of the linux specific headers defines this as a macro.
 #ifdef DestroyAll
 #undef DestroyAll
 #endif
 
 namespace content {
 namespace {
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_ANDROID)
 void SetupSandbox(const base::CommandLine& parsed_command_line) {
@@ skipping 1009 matching lines @@
 #if defined (MOJO_SHELL_CLIENT)
   use_mus_in_renderer = base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kUseMusInRenderer);
 #endif  // defined(MOJO_SHELL_CLIENT);
   if (aura::Env::GetInstance() && !use_mus_in_renderer) {
     aura::Env::GetInstance()->set_context_factory(GetContextFactory());
   }
 #endif  // defined(USE_AURA)
 #endif  // defined(OS_ANDROID)
 
+#if defined(ENABLE_VULKAN)
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableVulkan)) {
+    gpu::InitializeVulkan();
+  }
+#endif

[piman, 2016/04/19 23:42:02]

nit: move to before ImageTransportFactory::Initialize() (around l.1194), in case
GpuProcessTransportFactory wants to initialize some Vulkan things early, later.

[David Yen, 2016/04/20 17:37:38]

Done.

+
   // Enable the GpuMemoryBuffer dump provider with IO thread affinity. Note that
   // unregistration happens on the IO thread (See
   // BrowserProcessSubThread::IOThreadPreCleanUp).
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       BrowserGpuMemoryBufferManager::current(), "BrowserGpuMemoryBufferManager",
       io_thread_->task_runner());
 #if defined(OS_ANDROID)
   base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
       tracing::GraphicsMemoryDumpProvider::GetInstance(), "AndroidGraphics",
       nullptr);
@@ skipping 253 matching lines @@
   audio_task_runner = audio_thread_->task_runner();
   worker_task_runner = audio_thread_->task_runner();
   monitor_task_runner = io_thread_->task_runner();
 #endif  // defined(OS_MACOSX)
   audio_manager_ = media::AudioManager::Create(
       std::move(audio_task_runner), std::move(worker_task_runner),
       std::move(monitor_task_runner), MediaInternals::GetInstance());
 }
 
 }  // namespace content