39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/*
|
|
* Copyright (C) 2017 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 <math/mat3.h>
|
|
#include <math/quat.h>
|
|
|
|
using namespace filament::math;
|
|
|
|
extern "C" JNIEXPORT void JNICALL
|
|
Java_com_google_android_filament_MathUtils_nPackTangentFrame(JNIEnv *env, jclass,
|
|
jfloat tangentX, jfloat tangentY, jfloat tangentZ,
|
|
jfloat bitangentX, jfloat bitangentY, jfloat bitangentZ,
|
|
jfloat normalX, jfloat normalY, jfloat normalZ,
|
|
jfloatArray quaternion_, jint offset) {
|
|
|
|
float3 tangent{tangentX, tangentY, tangentZ};
|
|
float3 bitangent{bitangentX, bitangentY, bitangentZ};
|
|
float3 normal{normalX, normalY, normalZ};
|
|
quatf q = mat3f::packTangentFrame({tangent, bitangent, normal});
|
|
|
|
env->SetFloatArrayRegion(quaternion_, offset, 4,
|
|
reinterpret_cast<jfloat*>(&q));
|
|
}
|