Android: Support GPU process

content/app/android/sandboxed_process_service.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/app/android/sandboxed_process_service.h"
 
+#include <android/native_window_jni.h>
 #include <cpu-features.h>
 
 #include "base/android/jni_array.h"
 #include "base/logging.h"
 #include "base/posix/global_descriptors.h"
+#include "content/common/android/scoped_java_surface.h"
 #include "content/common/android/surface_texture_peer.h"
 #include "content/common/child_process.h"
 #include "content/common/child_thread.h"
+#include "content/common/gpu/gpu_surface_lookup.h"
 #include "content/public/app/android_library_loader_hooks.h"
 #include "content/public/common/content_descriptors.h"
 #include "ipc/ipc_descriptors.h"
 #include "jni/SandboxedProcessService_jni.h"
 
 using base::android::AttachCurrentThread;
 using base::android::CheckException;
 using base::android::JavaIntArrayToIntVector;
 
+namespace content {
+
 namespace {
 
-class SurfaceTexturePeerSandboxedImpl : public content::SurfaceTexturePeer {
+class SurfaceTexturePeerSandboxedImpl : public content::SurfaceTexturePeer,
+                                        public content::GpuSurfaceLookup {
  public:
   // |service| is the instance of
   // org.chromium.content.app.SandboxedProcessService.
-  SurfaceTexturePeerSandboxedImpl(jobject service)
+  SurfaceTexturePeerSandboxedImpl(

[bulach, 2013/03/05 14:23:58]

nit: explicit

[no sievers, 2013/03/07 00:51:06]

Done.

+      const base::android::ScopedJavaLocalRef<jobject>& service)
       : service_(service) {
+    GpuSurfaceLookup::InitInstance(this);
   }
 
   virtual ~SurfaceTexturePeerSandboxedImpl() {
+    GpuSurfaceLookup::InitInstance(NULL);
   }
 
   virtual void EstablishSurfaceTexturePeer(
       base::ProcessHandle pid,
       SurfaceTextureTarget type,
       scoped_refptr<content::SurfaceTextureBridge> surface_texture_bridge,
       int primary_id,
       int secondary_id) {
     JNIEnv* env = base::android::AttachCurrentThread();
     content::Java_SandboxedProcessService_establishSurfaceTexturePeer(
-        env, service_, pid, type,
+        env, service_.obj(), pid,
         surface_texture_bridge->j_surface_texture().obj(), primary_id,
         secondary_id);
     CheckException(env);
   }
 
+  virtual gfx::AcceleratedWidget AcquireNativeWidget(int surface_id) OVERRIDE {
+    JNIEnv* env = base::android::AttachCurrentThread();
+    ScopedJavaSurface surface(
+        content::Java_SandboxedProcessService_getViewSurface(
+        env, service_.obj(), surface_id));
+    CheckException(env);

[bulach, 2013/03/05 14:23:58]

nit: all generated Java_ methods call "CheckException" internally (unless it's
marked as @CalledByNativeUnchecked)..

[no sievers, 2013/03/07 00:51:06]

Done.

+
+    if (surface.j_surface().is_null())
+      return NULL;
+
+    ANativeWindow* native_window = ANativeWindow_fromSurface(
+        env, surface.j_surface().obj());
+
+    return native_window;
+  }
+
  private:
   // The instance of org.chromium.content.app.SandboxedProcessService.
-  jobject service_;
+  base::android::ScopedJavaGlobalRef<jobject> service_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfaceTexturePeerSandboxedImpl);
 };
 
 // Chrome actually uses the renderer code path for all of its sandboxed
 // processes such as renderers, plugins, etc.
 void InternalInitSandboxedProcess(const std::vector<int>& file_ids,
                                   const std::vector<int>& file_fds,
                                   JNIEnv* env,
                                   jclass clazz,
                                   jobject context,
-                                  jobject service,
+                                  jobject service_in,
                                   jint cpu_count,
                                   jlong cpu_features) {
+  base::android::ScopedJavaLocalRef<jobject> service(env, service_in);
+
   // Set the CPU properties.
   android_setCpu(cpu_count, cpu_features);
   // Register the file descriptors.
   // This includes the IPC channel, the crash dump signals and resource related
   // files.
   DCHECK(file_fds.size() == file_ids.size());
   for (size_t i = 0; i < file_ids.size(); ++i)
     base::GlobalDescriptors::GetInstance()->Set(file_ids[i], file_fds[i]);
 
   content::SurfaceTexturePeer::InitInstance(
       new SurfaceTexturePeerSandboxedImpl(service));
 
 }
 
 void QuitSandboxMainThreadMessageLoop() {
   MessageLoop::current()->Quit();
 }
 
 }  // namespace <anonymous>
 
-namespace content {
-
 void InitSandboxedProcess(JNIEnv* env,
                           jclass clazz,
                           jobject context,
                           jobject service,
                           jintArray j_file_ids,
                           jintArray j_file_fds,
                           jint cpu_count,
                           jlong cpu_features) {
   std::vector<int> file_ids;
   std::vector<int> file_fds;
@@ skipping 19 matching lines @@
   ChildProcess* current_process = ChildProcess::current();
   if (!current_process)
     return;
   ChildThread* main_child_thread = current_process->main_thread();
   if (main_child_thread && main_child_thread->message_loop())
     main_child_thread->message_loop()->PostTask(FROM_HERE,
         base::Bind(&QuitSandboxMainThreadMessageLoop));
 }
 
 }  // namespace content