Introduce JNI bindings for gltfio.

For now this uses gltfio in the ubershader configuration in order to avoid the filamat dependency. Note that we have not yet done a size analysis of the `gltfio_core` library. New Kotlin-based sample app is forthcoming.
2019-06-18 13:53:45 -07:00
parent 3e97ac5268
commit b17d606ed2
21 changed files with 1014 additions and 0 deletions
@@ -0,0 +1,85 @@
+/*
+ * 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.
+ */
+
+#include <jni.h>
+
+#include <filament/Engine.h>
+
+#include <utils/EntityManager.h>
+
+#include <gltfio/AssetLoader.h>
+#include <gltfio/MaterialProvider.h>
+
+#include "common/NioUtils.h"
+
+using namespace filament;
+using namespace gltfio;
+using namespace utils;
+
+extern void registerCallbackUtils(JNIEnv*);
+extern void registerNioUtils(JNIEnv*);
+
+jint JNI_OnLoad(JavaVM* vm, void* reserved) {
+    JNIEnv* env;
+    if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
+        return -1;
+    }
+
+    registerCallbackUtils(env);
+    registerNioUtils(env);
+
+    return JNI_VERSION_1_6;
+}
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_com_google_android_filament_gltfio_AssetLoader_nCreateAssetLoader(JNIEnv*, jclass,
+        jlong nativeEngine, jlong nativeProvider, jlong nativeEntities) {
+    Engine* engine = (Engine*) nativeEngine;
+    MaterialProvider* materials = (MaterialProvider*) nativeProvider;
+    EntityManager* entities = (EntityManager*) nativeEntities;
+    return (jlong) AssetLoader::create({engine, materials, nullptr, entities});
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_gltfio_AssetLoader_nDestroyAssetLoader(JNIEnv*, jclass,
+        jlong nativeLoader) {
+    AssetLoader* loader = (AssetLoader*) nativeLoader;
+    AssetLoader::destroy(&loader);
+}
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_com_google_android_filament_gltfio_AssetLoader_nCreateAssetFromBinary(JNIEnv* env, jclass,
+        jlong nativeLoader, jobject javaBuffer, jint remaining) {
+    AssetLoader* loader = (AssetLoader*) nativeLoader;
+    AutoBuffer buffer(env, javaBuffer, remaining);
+    return (jlong) loader->createAssetFromBinary((const uint8_t *) buffer.getData(),
+            buffer.getSize());
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_gltfio_AssetLoader_nEnableDiagnostics(JNIEnv*, jclass,
+        jlong nativeLoader, jboolean enable) {
+    AssetLoader* loader = (AssetLoader*) nativeLoader;
+    loader->enableDiagnostics(enable);
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_gltfio_AssetLoader_nDestroyAsset(JNIEnv*, jclass,
+        jlong nativeLoader, jlong nativeAsset) {
+    AssetLoader* loader = (AssetLoader*) nativeLoader;    
+    FilamentAsset* asset = (FilamentAsset*) nativeAsset;
+    loader->destroyAsset(asset);
+}