80eecb39c5
I'm looking at reducing the number of threads created in WebView where the in-process GPU is used. Bug: 341151462 Change-Id: I93e09fc2c7fb3f2911d72aac7c5a088b1b35087a Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5545171 Reviewed-by: Daniel Cheng <dcheng@chromium.org> Reviewed-by: Dave Tapuska <dtapuska@chromium.org> Commit-Queue: Clark DuVall <cduvall@chromium.org> Cr-Commit-Position: refs/heads/main@{#1303884}
108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
// Copyright 2013 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "content/gpu/in_process_gpu_thread.h"
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#include "base/command_line.h"
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#include "base/feature_list.h"
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#include "base/time/time.h"
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#include "build/build_config.h"
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#include "content/child/child_process.h"
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#include "content/gpu/gpu_child_thread.h"
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#include "content/public/common/content_client.h"
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#include "content/public/common/content_switches.h"
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#include "content/public/gpu/content_gpu_client.h"
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#include "gpu/config/gpu_preferences.h"
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#include "gpu/ipc/service/gpu_init.h"
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#include "media/gpu/buildflags.h"
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#if BUILDFLAG(USE_VAAPI)
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#include "media/gpu/vaapi/vaapi_wrapper.h"
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#endif
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#if BUILDFLAG(IS_ANDROID)
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#include "base/android/jni_android.h"
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#endif
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namespace content {
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namespace {
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BASE_FEATURE(kInProcessGpuUseIOThread,
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"InProcessGpuUseIOThread",
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base::FEATURE_DISABLED_BY_DEFAULT);
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} // namespace
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InProcessGpuThread::InProcessGpuThread(
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const InProcessChildThreadParams& params,
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const gpu::GpuPreferences& gpu_preferences)
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: base::Thread("Chrome_InProcGpuThread"),
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params_(params),
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gpu_process_(nullptr),
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gpu_preferences_(gpu_preferences) {}
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InProcessGpuThread::~InProcessGpuThread() {
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Stop();
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}
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void InProcessGpuThread::Init() {
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base::ThreadType io_thread_type = base::ThreadType::kDefault;
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// In single-process mode, we never enter the sandbox, so run the post-sandbox
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// code now.
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content::ContentGpuClient* client = GetContentClient()->gpu();
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if (client) {
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client->PostSandboxInitialized();
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}
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#if BUILDFLAG(IS_ANDROID)
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// Call AttachCurrentThreadWithName, before any other AttachCurrentThread()
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// calls. The latter causes Java VM to assign Thread-??? to the thread name.
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// Please note calls to AttachCurrentThreadWithName after AttachCurrentThread
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// will not change the thread name kept in Java VM.
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base::android::AttachCurrentThreadWithName(thread_name());
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// Up the priority of the |io_thread_| on Android.
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io_thread_type = base::ThreadType::kDisplayCritical;
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#endif
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if (base::FeatureList::IsEnabled(kInProcessGpuUseIOThread)) {
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gpu_process_ = std::make_unique<ChildProcess>(params_.child_io_runner());
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} else {
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gpu_process_ = std::make_unique<ChildProcess>(io_thread_type);
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}
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auto gpu_init = std::make_unique<gpu::GpuInit>();
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gpu_init->InitializeInProcess(base::CommandLine::ForCurrentProcess(),
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gpu_preferences_);
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#if BUILDFLAG(USE_VAAPI)
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media::VaapiWrapper::PreSandboxInitialization();
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#endif
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GetContentClient()->SetGpuInfo(gpu_init->gpu_info());
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// The process object takes ownership of the thread object, so do not
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// save and delete the pointer.
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GpuChildThread* child_thread =
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new GpuChildThread(params_, std::move(gpu_init));
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// Since we are in the browser process, use the thread start time as the
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// process start time.
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child_thread->Init(base::TimeTicks::Now());
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gpu_process_->set_main_thread(child_thread);
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}
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void InProcessGpuThread::CleanUp() {
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SetThreadWasQuitProperly(true);
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gpu_process_.reset();
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}
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base::Thread* CreateInProcessGpuThread(
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const InProcessChildThreadParams& params,
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const gpu::GpuPreferences& gpu_preferences) {
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return new InProcessGpuThread(params, gpu_preferences);
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}
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} // namespace content
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