X11: Use better visuals for OpenGL

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 166 matching lines @@
 #endif
 
 #if defined(ENABLE_MOJO_CDM) && defined(ENABLE_PEPPER_CDMS)
 #include "content/browser/media/cdm_service_impl.h"
 #endif
 
 #if defined(USE_X11)
 #include "gpu/config/gpu_driver_bug_workaround_type.h"
 #include "ui/base/x/x11_util_internal.h"  // nogncheck
 #include "ui/gfx/x/x11_connection.h"  // nogncheck
-#include "ui/gfx/x/x11_switches.h"  // nogncheck
 #include "ui/gfx/x/x11_types.h"  // nogncheck
 #endif
 
 #if defined(USE_NSS_CERTS)
 #include "crypto/nss_util.h"
 #endif
 
 #if defined(ENABLE_VULKAN)
 #include "gpu/vulkan/vulkan_implementation.h"
 #endif
@@ skipping 543 matching lines @@
   // starts ensures the affected IO thread messages always have somewhere to go.
   ui::WindowResizeHelperMac::Get()->Init(base::ThreadTaskRunnerHandle::Get());
 #endif
 
   // 1) Need to initialize in-process GpuDataManager before creating threads.
   // It's unsafe to append the gpu command line switches to the global
   // CommandLine::ForCurrentProcess object after threads are created.
   // 2) Must be after parts_->PreCreateThreads to pick up chrome://flags.
   GpuDataManagerImpl::GetInstance()->Initialize();
 
-#if defined(USE_X11) && !defined(OS_CHROMEOS)
-  // PreCreateThreads is called before CreateStartupTasks which starts the gpu
-  // process.
-  bool enable_transparent_visuals =
-      !GpuDataManagerImpl::GetInstance()->IsDriverBugWorkaroundActive(
-          gpu::DISABLE_TRANSPARENT_VISUALS);
-
-  // Prevent this flag to be turned off later since it is only used here.
-  if (!enable_transparent_visuals &&
-      !GpuDataManagerImpl::GetInstance()->IsCompleteGpuInfoAvailable()) {
-    base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        "disable_transparent_visuals");
-  }
-
-  Visual* visual = NULL;
-  int depth = 0;
-  ui::ChooseVisualForWindow(enable_transparent_visuals, &visual, &depth);
-  DCHECK(depth > 0);
-  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kWindowDepth, base::IntToString(depth));
-  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
-      switches::kX11VisualID, base::UintToString(visual->visualid));
-#endif
-
 #if !defined(GOOGLE_CHROME_BUILD) || defined(OS_ANDROID)
   // Single-process is an unsupported and not fully tested mode, so
   // don't enable it for official Chrome builds (except on Android).
   if (parsed_command_line_.HasSwitch(switches::kSingleProcess))
     RenderProcessHost::SetRunRendererInProcess(true);
 #endif
 
   return result_code_;
 }
 
@@ skipping 758 matching lines @@
     scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner =
         audio_thread_->task_runner();
     audio_manager_ = media::AudioManager::Create(std::move(audio_task_runner),
                                                  std::move(worker_task_runner),
                                                  MediaInternals::GetInstance());
   }
   CHECK(audio_manager_);
 }
 
 }  // namespace content