1c1cb11cf5
Java callbacks are now directly dispatched to their handler, instead of first going through filament's opportunistic dispatch, reducing callback latency.
101 lines
3.5 KiB
C++
101 lines
3.5 KiB
C++
/*
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* Copyright (C) 2021 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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#include <jni.h>
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#include <functional>
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#include <stdlib.h>
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#include <string.h>
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#include <filament/BufferObject.h>
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#include <backend/BufferDescriptor.h>
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#include "common/CallbackUtils.h"
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#include "common/NioUtils.h"
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using namespace filament;
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using namespace backend;
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extern "C" JNIEXPORT jlong JNICALL
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Java_com_google_android_filament_BufferObject_nCreateBuilder(JNIEnv *env, jclass type) {
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return (jlong) new BufferObject::Builder();
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}
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extern "C" JNIEXPORT void JNICALL
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Java_com_google_android_filament_BufferObject_nDestroyBuilder(JNIEnv *env, jclass type,
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jlong nativeBuilder) {
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BufferObject::Builder* builder = (BufferObject::Builder *) nativeBuilder;
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delete builder;
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}
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extern "C" JNIEXPORT void JNICALL
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Java_com_google_android_filament_BufferObject_nBuilderSize(JNIEnv *env, jclass type,
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jlong nativeBuilder, jint byteCount) {
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BufferObject::Builder* builder = (BufferObject::Builder *) nativeBuilder;
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builder->size((uint32_t) byteCount);
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}
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extern "C" JNIEXPORT void JNICALL
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Java_com_google_android_filament_BufferObject_nBuilderBindingType(JNIEnv *env, jclass type,
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jlong nativeBuilder, jint bindingType) {
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using BindingType = BufferObject::BindingType;
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BufferObject::Builder* builder = (BufferObject::Builder *) nativeBuilder;
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BindingType types[] = {BindingType::VERTEX};
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builder->bindingType(types[bindingType]);
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}
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extern "C" JNIEXPORT jlong JNICALL
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Java_com_google_android_filament_BufferObject_nBuilderBuild(JNIEnv *env, jclass type,
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jlong nativeBuilder, jlong nativeEngine) {
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BufferObject::Builder* builder = (BufferObject::Builder *) nativeBuilder;
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Engine *engine = (Engine *) nativeEngine;
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return (jlong) builder->build(*engine);
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}
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extern "C" JNIEXPORT jint JNICALL
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Java_com_google_android_filament_BufferObject_nGetByteCount(JNIEnv *env, jclass type,
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jlong nativeBufferObject) {
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BufferObject *bufferObject = (BufferObject *) nativeBufferObject;
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return (jint) bufferObject->getByteCount();
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}
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extern "C" JNIEXPORT int JNICALL
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Java_com_google_android_filament_BufferObject_nSetBuffer(JNIEnv *env, jclass type,
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jlong nativeBufferObject, jlong nativeEngine, jobject buffer, int remaining,
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jint destOffsetInBytes, jint count,
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jobject handler, jobject runnable) {
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BufferObject *bufferObject = (BufferObject *) nativeBufferObject;
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Engine *engine = (Engine *) nativeEngine;
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AutoBuffer nioBuffer(env, buffer, count);
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void* data = nioBuffer.getData();
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size_t sizeInBytes = nioBuffer.getSize();
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if (sizeInBytes > (remaining << nioBuffer.getShift())) {
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// BufferOverflowException
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return -1;
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}
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auto* callback = JniBufferCallback::make(engine, env, handler, runnable, std::move(nioBuffer));
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BufferDescriptor desc(data, sizeInBytes,
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callback->getHandler(), &JniBufferCallback::postToJavaAndDestroy, callback);
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bufferObject->setBuffer(*engine, std::move(desc), (uint32_t) destOffsetInBytes);
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return 0;
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}
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