96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <jni.h>
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#include "common/NioUtils.h"
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#include <backend/CallbackHandler.h>
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#include <filament/Engine.h>
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struct CallbackJni {
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#ifdef __ANDROID__
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jclass handlerClass = nullptr;
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jmethodID post = nullptr;
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#endif
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jclass executorClass = nullptr;
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jmethodID execute = nullptr;
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};
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void acquireCallbackJni(JNIEnv* env, CallbackJni& callbackUtils);
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void releaseCallbackJni(JNIEnv* env, CallbackJni callbackUtils, jobject handler, jobject callback);
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struct JniCallback : private filament::backend::CallbackHandler {
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JniCallback(JniCallback const &) = delete;
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JniCallback(JniCallback&&) = delete;
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JniCallback& operator=(JniCallback const &) = delete;
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JniCallback& operator=(JniCallback&&) = delete;
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// create a JniCallback
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static JniCallback* make(JNIEnv* env, jobject handler, jobject runnable);
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// execute the callback on the java thread and destroy ourselves
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static void postToJavaAndDestroy(JniCallback* callback);
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// CallbackHandler interface.
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void post(void* user, Callback callback) override;
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// Get the CallbackHandler interface
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filament::backend::CallbackHandler* getHandler() noexcept { return this; }
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jobject getCallbackObject() { return mCallback; }
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protected:
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JniCallback(JNIEnv* env, jobject handler, jobject runnable);
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explicit JniCallback() = default; // this version does nothing
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virtual ~JniCallback();
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jobject mHandler{};
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jobject mCallback{};
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CallbackJni mCallbackUtils{};
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};
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struct JniBufferCallback : public JniCallback {
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// create a JniBufferCallback
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static JniBufferCallback* make(filament::Engine* engine,
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JNIEnv* env, jobject handler, jobject callback, AutoBuffer&& buffer);
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// execute the callback on the java thread and destroy ourselves
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static void postToJavaAndDestroy(void*, size_t, void* user);
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private:
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JniBufferCallback(JNIEnv* env, jobject handler, jobject callback, AutoBuffer&& buffer);
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virtual ~JniBufferCallback();
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AutoBuffer mBuffer;
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};
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struct JniImageCallback : public JniCallback {
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// create a JniImageCallback
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static JniImageCallback* make(filament::Engine* engine, JNIEnv* env, jobject handler,
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jobject runnable, long image);
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// execute the callback on the java thread and destroy ourselves
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static void postToJavaAndDestroy(void*, void* user);
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private:
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JniImageCallback(JNIEnv* env, jobject handler, jobject runnable, long image);
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virtual ~JniImageCallback();
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long mImage;
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};
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