1 /* 2 * Copyright 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 */ 17 18 #define LOG_TAG "ANativeWindowTest" 19 20 #include <array> 21 22 #include <android/native_window.h> 23 #include <android/native_window_jni.h> 24 #include <jni.h> 25 26 namespace { 27 28 void pushBufferWithTransform(JNIEnv* env, jclass, jobject jSurface, jint transform) { 29 auto window = ANativeWindow_fromSurface(env, jSurface); 30 ANativeWindow_setBuffersTransform(window, transform); 31 ANativeWindow_Buffer mappedBuffer; 32 ANativeWindow_lock(window, &mappedBuffer, nullptr); 33 ANativeWindow_unlockAndPost(window); 34 ANativeWindow_release(window); 35 } 36 37 jint setBuffersDataSpace(JNIEnv* env, jclass, jobject jSurface, jint dataSpace) { 38 ANativeWindow* window = nullptr; 39 if (jSurface) { 40 window = ANativeWindow_fromSurface(env, jSurface); 41 } 42 int error = ANativeWindow_setBuffersDataSpace(window, dataSpace); 43 if (error != 0) { 44 return error; 45 } 46 ANativeWindow_Buffer mappedBuffer; 47 ANativeWindow_lock(window, &mappedBuffer, nullptr); 48 ANativeWindow_unlockAndPost(window); 49 ANativeWindow_release(window); 50 return error; 51 } 52 53 jint getBuffersDataSpace(JNIEnv* env, jclass, jobject jSurface) { 54 ANativeWindow* window = nullptr; 55 if (jSurface) { 56 window = ANativeWindow_fromSurface(env, jSurface); 57 } 58 return ANativeWindow_getBuffersDataSpace(window); 59 } 60 61 const std::array<JNINativeMethod, 3> JNI_METHODS = {{ 62 { "nPushBufferWithTransform", "(Landroid/view/Surface;I)V", (void*)pushBufferWithTransform }, 63 { "nSetBuffersDataSpace", "(Landroid/view/Surface;I)I", (void*)setBuffersDataSpace }, 64 { "nGetBuffersDataSpace", "(Landroid/view/Surface;)I", (void*)getBuffersDataSpace }, 65 }}; 66 67 } 68 69 int register_android_graphics_cts_ANativeWindowTest(JNIEnv* env) { 70 jclass clazz = env->FindClass("android/graphics/cts/ANativeWindowTest"); 71 return env->RegisterNatives(clazz, JNI_METHODS.data(), JNI_METHODS.size()); 72 } 73