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 +1,67 @@
+/*
+ * 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 <gltfio/ResourceLoader.h>
+
+#include <utils/Log.h>
+
+#include "common/NioUtils.h"
+
+using namespace filament;
+using namespace gltfio;
+using namespace utils;
+
+static void destroy(void* data, size_t size, void *userData) {
+    AutoBuffer* buffer = (AutoBuffer*) userData;
+    delete buffer;
+}
+
+extern "C" JNIEXPORT jlong JNICALL
+Java_com_google_android_filament_gltfio_ResourceLoader_nCreateResourceLoader(JNIEnv*, jclass,
+        jlong nativeEngine) {
+    Engine* engine = (Engine*) nativeEngine;
+    return (jlong) new ResourceLoader({ engine, utils::Path(), true, true });
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_gltfio_ResourceLoader_nDestroyResourceLoader(JNIEnv*, jclass,
+        jlong nativeLoader) {
+    ResourceLoader* loader = (ResourceLoader*) nativeLoader;
+    delete loader;
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_gltfio_ResourceLoader_nAddResourceData(JNIEnv* env, jclass,
+        jlong nativeLoader, jstring url, jobject javaBuffer, jint remaining) {
+    ResourceLoader* loader = (ResourceLoader*) nativeLoader;
+    AutoBuffer* buffer = new AutoBuffer(env, javaBuffer, remaining);
+    const char* curl = env->GetStringUTFChars(url, nullptr);
+    loader->addResourceData(curl,
+            ResourceLoader::BufferDescriptor(buffer->getData(), buffer->getSize(), &destroy,
+                    buffer));
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_google_android_filament_gltfio_ResourceLoader_nLoadResources(JNIEnv*, jclass,
+        jlong nativeLoader, jlong nativeAsset) {
+    ResourceLoader* loader = (ResourceLoader*) nativeLoader;
+    FilamentAsset* asset = (FilamentAsset*) nativeAsset;
+    loader->loadResources(asset);
+}