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Issue 2049843004: Upstream: Renderers are running in WebAPKs. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 6 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "content/app/android/child_process_service.h"
6
7 #include <android/native_window_jni.h>
8 #include <cpu-features.h>
9
10 #include "base/android/jni_array.h"
11 #include "base/android/library_loader/library_loader_hooks.h"
12 #include "base/android/memory_pressure_listener_android.h"
13 #include "base/logging.h"
14 #include "base/macros.h"
15 #include "base/posix/global_descriptors.h"
16 #include "content/child/child_thread_impl.h"
17 #include "content/public/common/content_descriptors.h"
18 #include "gpu/ipc/common/android/surface_texture_manager.h"
19 #include "gpu/ipc/common/android/surface_texture_peer.h"
20 #include "gpu/ipc/common/gpu_surface_lookup.h"
21 #include "ipc/ipc_descriptors.h"
22 #include "jni/ChildProcessService_jni.h"
23 #include "ui/gl/android/scoped_java_surface.h"
24
25 using base::android::AttachCurrentThread;
26 using base::android::CheckException;
27 using base::android::JavaIntArrayToIntVector;
28
29 namespace content {
30
31 namespace {
32
33 // TODO(sievers): Use two different implementations of this depending on if
34 // we're in a renderer or gpu process.
35 class SurfaceTextureManagerImpl : public gpu::SurfaceTextureManager,
36 public gpu::SurfaceTexturePeer,
37 public gpu::GpuSurfaceLookup {
38 public:
39 // |service| is the instance of
40 // org.chromium.content.app.ChildProcessService.
41 explicit SurfaceTextureManagerImpl(
42 const base::android::JavaRef<jobject>& service)
43 : service_(service) {
44 SurfaceTexturePeer::InitInstance(this);
45 gpu::GpuSurfaceLookup::InitInstance(this);
46 }
47 ~SurfaceTextureManagerImpl() override {
48 SurfaceTexturePeer::InitInstance(NULL);
49 gpu::GpuSurfaceLookup::InitInstance(NULL);
50 }
51
52 // Overridden from SurfaceTextureManager:
53 void RegisterSurfaceTexture(int surface_texture_id,
54 int client_id,
55 gl::SurfaceTexture* surface_texture) override {
56 JNIEnv* env = base::android::AttachCurrentThread();
57 Java_ChildProcessService_createSurfaceTextureSurface(
58 env,
59 service_.obj(),
60 surface_texture_id,
61 client_id,
62 surface_texture->j_surface_texture().obj());
63 }
64 void UnregisterSurfaceTexture(int surface_texture_id,
65 int client_id) override {
66 JNIEnv* env = base::android::AttachCurrentThread();
67 Java_ChildProcessService_destroySurfaceTextureSurface(
68 env, service_.obj(), surface_texture_id, client_id);
69 }
70 gfx::AcceleratedWidget AcquireNativeWidgetForSurfaceTexture(
71 int surface_texture_id) override {
72 JNIEnv* env = base::android::AttachCurrentThread();
73 gl::ScopedJavaSurface surface(
74 Java_ChildProcessService_getSurfaceTextureSurface(env, service_.obj(),
75 surface_texture_id));
76
77 if (surface.j_surface().is_null())
78 return NULL;
79
80 // Note: This ensures that any local references used by
81 // ANativeWindow_fromSurface are released immediately. This is needed as a
82 // workaround for https://code.google.com/p/android/issues/detail?id=68174
83 base::android::ScopedJavaLocalFrame scoped_local_reference_frame(env);
84 ANativeWindow* native_window =
85 ANativeWindow_fromSurface(env, surface.j_surface().obj());
86
87 return native_window;
88 }
89
90 // Overridden from SurfaceTexturePeer:
91 void EstablishSurfaceTexturePeer(
92 base::ProcessHandle pid,
93 scoped_refptr<gl::SurfaceTexture> surface_texture,
94 int primary_id,
95 int secondary_id) override {
96 JNIEnv* env = base::android::AttachCurrentThread();
97 content::Java_ChildProcessService_establishSurfaceTexturePeer(
98 env,
99 service_.obj(),
100 pid,
101 surface_texture->j_surface_texture().obj(),
102 primary_id,
103 secondary_id);
104 }
105
106 // Overridden from GpuSurfaceLookup:
107 gfx::AcceleratedWidget AcquireNativeWidget(int surface_id) override {
108 JNIEnv* env = base::android::AttachCurrentThread();
109 gl::ScopedJavaSurface surface(
110 content::Java_ChildProcessService_getViewSurface(env, service_.obj(),
111 surface_id));
112
113 if (surface.j_surface().is_null())
114 return NULL;
115
116 // Note: This ensures that any local references used by
117 // ANativeWindow_fromSurface are released immediately. This is needed as a
118 // workaround for https://code.google.com/p/android/issues/detail?id=68174
119 base::android::ScopedJavaLocalFrame scoped_local_reference_frame(env);
120 ANativeWindow* native_window =
121 ANativeWindow_fromSurface(env, surface.j_surface().obj());
122
123 return native_window;
124 }
125
126 // Overridden from GpuSurfaceLookup:
127 gl::ScopedJavaSurface AcquireJavaSurface(int surface_id) override {
128 JNIEnv* env = base::android::AttachCurrentThread();
129 return gl::ScopedJavaSurface(
130 content::Java_ChildProcessService_getViewSurface(env, service_.obj(),
131 surface_id));
132 }
133
134 private:
135 // The instance of org.chromium.content.app.ChildProcessService.
136 base::android::ScopedJavaGlobalRef<jobject> service_;
137
138 DISALLOW_COPY_AND_ASSIGN(SurfaceTextureManagerImpl);
139 };
140
141 // Chrome actually uses the renderer code path for all of its child
142 // processes such as renderers, plugins, etc.
143 void InternalInitChildProcess(JNIEnv* env,
144 const JavaParamRef<jobject>& service,
145 jint cpu_count,
146 jlong cpu_features) {
147 // Set the CPU properties.
148 android_setCpu(cpu_count, cpu_features);
149 gpu::SurfaceTextureManager::SetInstance(
150 new SurfaceTextureManagerImpl(service));
151
152 base::android::MemoryPressureListenerAndroid::RegisterSystemCallback(env);
153 }
154
155 } // namespace <anonymous>
156
157 void RegisterGlobalFileDescriptor(JNIEnv* env,
158 const JavaParamRef<jclass>& clazz,
159 jint id,
160 jint fd,
161 jlong offset,
162 jlong size) {
163 base::MemoryMappedFile::Region region = {offset, size};
164 base::GlobalDescriptors::GetInstance()->Set(id, fd, region);
165 }
166
167 void InitChildProcess(JNIEnv* env,
168 const JavaParamRef<jclass>& clazz,
169 const JavaParamRef<jobject>& service,
170 jint cpu_count,
171 jlong cpu_features) {
172 InternalInitChildProcess(env, service, cpu_count, cpu_features);
173 }
174
175 void ExitChildProcess(JNIEnv* env, const JavaParamRef<jclass>& clazz) {
176 VLOG(0) << "ChildProcessService: Exiting child process.";
177 base::android::LibraryLoaderExitHook();
178 _exit(0);
179 }
180
181 bool RegisterChildProcessService(JNIEnv* env) {
182 return RegisterNativesImpl(env);
183 }
184
185 void ShutdownMainThread(JNIEnv* env, const JavaParamRef<jobject>& obj) {
186 ChildThreadImpl::ShutdownThread();
187 }
188
189 } // namespace content
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