|  | // Copyright 2017 The Chromium Authors | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #include <utility> | 
|  |  | 
|  | #include "base/android/scoped_java_ref.h" | 
|  | #include "base/android/unguessable_token_android.h" | 
|  | #include "base/functional/overloaded.h" | 
|  | #include "content/browser/android/scoped_surface_request_manager.h" | 
|  | #include "content/common/android/surface_wrapper.h" | 
|  | #include "content/public/android/content_jni_headers/GpuProcessCallback_jni.h" | 
|  | #include "content/public/browser/browser_thread.h" | 
|  | #include "gpu/ipc/common/gpu_surface_tracker.h" | 
|  | #include "third_party/abseil-cpp/absl/types/variant.h" | 
|  |  | 
|  | namespace content { | 
|  |  | 
|  | void JNI_GpuProcessCallback_CompleteScopedSurfaceRequest( | 
|  | JNIEnv* env, | 
|  | const base::android::JavaParamRef<jobject>& token, | 
|  | const base::android::JavaParamRef<jobject>& surface) { | 
|  | absl::optional<base::UnguessableToken> requestToken = | 
|  | base::android::UnguessableTokenAndroid::FromJavaUnguessableToken(env, | 
|  | token); | 
|  | if (!requestToken) { | 
|  | DLOG(ERROR) << "Received invalid surface request token."; | 
|  | return; | 
|  | } | 
|  |  | 
|  | DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI)); | 
|  |  | 
|  | base::android::ScopedJavaGlobalRef<jobject> jsurface; | 
|  | jsurface.Reset(env, surface); | 
|  | ScopedSurfaceRequestManager::GetInstance()->FulfillScopedSurfaceRequest( | 
|  | requestToken.value(), | 
|  | gl::ScopedJavaSurface(jsurface, /*auto_release=*/true)); | 
|  | } | 
|  |  | 
|  | base::android::ScopedJavaLocalRef<jobject> | 
|  | JNI_GpuProcessCallback_GetViewSurface( | 
|  | JNIEnv* env, | 
|  | jint surface_id) { | 
|  | base::android::ScopedJavaLocalRef<jobject> j_surface_wrapper; | 
|  | bool can_be_used_with_surface_control = false; | 
|  | auto surface_variant = | 
|  | gpu::GpuSurfaceTracker::GetInstance()->AcquireJavaSurface( | 
|  | surface_id, &can_be_used_with_surface_control); | 
|  | absl::visit( | 
|  | base::Overloaded{[&](gl::ScopedJavaSurface&& scoped_java_surface) { | 
|  | if (!scoped_java_surface.IsEmpty()) { | 
|  | j_surface_wrapper = JNI_SurfaceWrapper_create( | 
|  | env, scoped_java_surface.j_surface(), | 
|  | can_be_used_with_surface_control); | 
|  | } | 
|  | }, | 
|  | [&](gl::ScopedJavaSurfaceControl&& surface_control) { | 
|  | j_surface_wrapper = | 
|  | JNI_SurfaceWrapper_createFromSurfaceControl( | 
|  | env, std::move(surface_control)); | 
|  | }}, | 
|  | std::move(surface_variant)); | 
|  | return j_surface_wrapper; | 
|  | } | 
|  |  | 
|  | }  // namespace content |