| OLD | NEW |
|---|
| (Empty) |
| 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/common/android/surface_callback.h" | |
| 6 | |
| 7 #include <android/native_window_jni.h> | |
| 8 | |
| 9 #include "base/android/jni_android.h" | |
| 10 #include "base/bind.h" | |
| 11 #include "base/lazy_instance.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/message_loop.h" | |
| 14 #include "base/message_loop_proxy.h" | |
| 15 #include "base/synchronization/lock.h" | |
| 16 #include "base/synchronization/waitable_event.h" | |
| 17 #include "ui/gl/android_native_window.h" | |
| 18 #include "jni/SurfaceCallback_jni.h" | |
| 19 | |
| 20 using base::android::AttachCurrentThread; | |
| 21 using base::android::CheckException; | |
| 22 using base::android::GetClass; | |
| 23 using base::android::MethodID; | |
| 24 using base::WaitableEvent; | |
| 25 using content::SurfaceTexturePeer; | |
| 26 | |
| 27 namespace content { | |
| 28 | |
| 29 namespace { | |
| 30 | |
| 31 struct GlobalState { | |
| 32 base::Lock registration_lock; | |
| 33 // We hold a reference to a message loop proxy which handles message loop | |
| 34 // destruction gracefully, which is important since we post tasks from an | |
| 35 // arbitrary binder thread while the main thread might be shutting down. | |
| 36 // Also, in single-process mode we have two ChildThread objects for render | |
| 37 // and gpu thread, so we need to store the msg loops separately. | |
| 38 scoped_refptr<base::MessageLoopProxy> native_window_loop; | |
| 39 scoped_refptr<base::MessageLoopProxy> video_surface_loop; | |
| 40 NativeWindowCallback native_window_callback; | |
| 41 VideoSurfaceCallback video_surface_callback; | |
| 42 }; | |
| 43 | |
| 44 base::LazyInstance<GlobalState>::Leaky g_state = LAZY_INSTANCE_INITIALIZER; | |
| 45 | |
| 46 void RunNativeWindowCallback(int32 routing_id, | |
| 47 int32 renderer_id, | |
| 48 ANativeWindow* native_window, | |
| 49 WaitableEvent* completion) { | |
| 50 g_state.Pointer()->native_window_callback.Run( | |
| 51 routing_id, renderer_id, native_window, completion); | |
| 52 } | |
| 53 | |
| 54 void RunVideoSurfaceCallback(int32 routing_id, | |
| 55 int32 renderer_id, | |
| 56 jobject surface) { | |
| 57 g_state.Pointer()->video_surface_callback.Run( | |
| 58 routing_id, renderer_id, surface); | |
| 59 } | |
| 60 | |
| 61 } // namespace <anonymous> | |
| 62 | |
| 63 static void SetSurface(JNIEnv* env, jclass clazz, | |
| 64 jint type, | |
| 65 jobject surface, | |
| 66 jint primaryID, | |
| 67 jint secondaryID) { | |
| 68 SetSurfaceAsync(env, surface, | |
| 69 static_cast<SurfaceTexturePeer::SurfaceTextureTarget>(type), | |
| 70 primaryID, secondaryID, NULL); | |
| 71 } | |
| 72 | |
| 73 void ReleaseSurface(jobject surface) { | |
| 74 if (surface == NULL) | |
| 75 return; | |
| 76 | |
| 77 JNIEnv* env = AttachCurrentThread(); | |
| 78 CHECK(env); | |
| 79 | |
| 80 ScopedJavaLocalRef<jclass> cls(GetClass(env, "android/view/Surface")); | |
| 81 | |
| 82 jmethodID method = MethodID::Get<MethodID::TYPE_INSTANCE>( | |
| 83 env, cls.obj(), "release", "()V"); | |
| 84 | |
| 85 env->CallVoidMethod(surface, method); | |
| 86 } | |
| 87 | |
| 88 void SetSurfaceAsync(JNIEnv* env, | |
| 89 jobject jsurface, | |
| 90 SurfaceTexturePeer::SurfaceTextureTarget type, | |
| 91 int primary_id, | |
| 92 int secondary_id, | |
| 93 WaitableEvent* completion) { | |
| 94 base::AutoLock lock(g_state.Pointer()->registration_lock); | |
| 95 | |
| 96 ANativeWindow* native_window = NULL; | |
| 97 | |
| 98 if (jsurface && | |
| 99 type != SurfaceTexturePeer::SET_VIDEO_SURFACE_TEXTURE) { | |
| 100 native_window = ANativeWindow_fromSurface(env, jsurface); | |
| 101 ReleaseSurface(jsurface); | |
| 102 } | |
| 103 GlobalState* const global_state = g_state.Pointer(); | |
| 104 | |
| 105 switch (type) { | |
| 106 case SurfaceTexturePeer::SET_GPU_SURFACE_TEXTURE: { | |
| 107 // This should only be sent as a reaction to the renderer | |
| 108 // activating compositing. If the GPU process crashes, we expect this | |
| 109 // to be resent after the new thread is initialized. | |
| 110 DCHECK(global_state->native_window_loop); | |
| 111 global_state->native_window_loop->PostTask( | |
| 112 FROM_HERE, | |
| 113 base::Bind(&RunNativeWindowCallback, | |
| 114 primary_id, | |
| 115 static_cast<uint32_t>(secondary_id), | |
| 116 native_window, | |
| 117 completion)); | |
| 118 // ANativeWindow_release will be called in SetNativeWindow() | |
| 119 break; | |
| 120 } | |
| 121 case SurfaceTexturePeer::SET_VIDEO_SURFACE_TEXTURE: { | |
| 122 jobject surface = env->NewGlobalRef(jsurface); | |
| 123 DCHECK(global_state->video_surface_loop); | |
| 124 global_state->video_surface_loop->PostTask( | |
| 125 FROM_HERE, | |
| 126 base::Bind(&RunVideoSurfaceCallback, | |
| 127 primary_id, | |
| 128 secondary_id, | |
| 129 surface)); | |
| 130 break; | |
| 131 } | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 void RegisterVideoSurfaceCallback(base::MessageLoopProxy* loop, | |
| 136 VideoSurfaceCallback& callback) { | |
| 137 GlobalState* const global_state = g_state.Pointer(); | |
| 138 base::AutoLock lock(global_state->registration_lock); | |
| 139 global_state->video_surface_loop = loop; | |
| 140 global_state->video_surface_callback = callback; | |
| 141 } | |
| 142 | |
| 143 void RegisterNativeWindowCallback(base::MessageLoopProxy* loop, | |
| 144 NativeWindowCallback& callback) { | |
| 145 GlobalState* const global_state = g_state.Pointer(); | |
| 146 base::AutoLock lock(global_state->registration_lock); | |
| 147 global_state->native_window_loop = loop; | |
| 148 global_state->native_window_callback = callback; | |
| 149 } | |
| 150 | |
| 151 bool RegisterSurfaceCallback(JNIEnv* env) { | |
| 152 return RegisterNativesImpl(env); | |
| 153 } | |
| 154 | |
| 155 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 12388038:
Android: Remove Surface cruft (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src