| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.graphics; |
| |
| import android.view.Surface; |
| import android.view.SurfaceControl; |
| |
| /** |
| * @hide |
| */ |
| public final class BLASTBufferQueue { |
| // Note: This field is accessed by native code. |
| private long mNativeObject; // BLASTBufferQueue* |
| |
| private static native long nativeCreate(long surfaceControl, long width, long height, |
| boolean tripleBufferingEnabled); |
| private static native void nativeDestroy(long ptr); |
| private static native Surface nativeGetSurface(long ptr); |
| private static native void nativeSetNextTransaction(long ptr, long transactionPtr); |
| private static native void nativeUpdate(long ptr, long surfaceControl, long width, long height); |
| |
| /** Create a new connection with the surface flinger. */ |
| public BLASTBufferQueue(SurfaceControl sc, int width, int height, |
| boolean tripleBufferingEnabled) { |
| mNativeObject = nativeCreate(sc.mNativeObject, width, height, tripleBufferingEnabled); |
| } |
| |
| public void destroy() { |
| nativeDestroy(mNativeObject); |
| } |
| |
| public Surface getSurface() { |
| return nativeGetSurface(mNativeObject); |
| } |
| |
| public void setNextTransaction(SurfaceControl.Transaction t) { |
| nativeSetNextTransaction(mNativeObject, t.mNativeObject); |
| } |
| |
| public void update(SurfaceControl sc, int width, int height) { |
| nativeUpdate(mNativeObject, sc.mNativeObject, width, height); |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| if (mNativeObject != 0) { |
| nativeDestroy(mNativeObject); |
| } |
| } finally { |
| super.finalize(); |
| } |
| } |
| } |