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gltfio: add Java bindings for instancing.

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This commit is contained in:
Philip Rideout
2020-05-28 15:02:50 -07:00
parent 92c017bdd3
commit 81ea280ea9
5 changed files with 195 additions and 0 deletions
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21
android/gltfio-android/src/main/cpp/AssetLoader.cpp
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@@ -67,6 +67,27 @@ Java_com_google_android_filament_gltfio_AssetLoader_nCreateAssetFromJson(JNIEnv*
buffer.getSize());
}
extern "C" JNIEXPORT jlong JNICALL
Java_com_google_android_filament_gltfio_AssetLoader_nCreateInstancedAsset(JNIEnv* env, jclass,
jlong nativeLoader, jobject javaBuffer, jint remaining, jlongArray instances) {
AssetLoader* loader = (AssetLoader*) nativeLoader;
AutoBuffer buffer(env, javaBuffer, remaining);
jsize numInstances = env->GetArrayLength(instances);
using Handle = FilamentInstance*;
Handle* ptrInstances = new Handle[numInstances];
jlong asset = (jlong) loader->createInstancedAsset((const uint8_t *) buffer.getData(),
buffer.getSize(), ptrInstances, numInstances);
if (asset) {
jlong* longInstances = env->GetLongArrayElements(instances, nullptr);
for (jsize i = 0; i < numInstances; i++) {
longInstances[i] = (jlong) ptrInstances[i];
}
env->ReleaseLongArrayElements(instances, longInstances, 0);
}
delete[] ptrInstances;
return asset;
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_gltfio_AssetLoader_nEnableDiagnostics(JNIEnv*, jclass,
jlong nativeLoader, jboolean enable) {