1// Copyright (C) 2011 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#pragma version(1)
16
17#pragma rs java_package_name(com.android.scenegraph)
18
19//#define DEBUG_LIGHT
20#include "scenegraph_objects.rsh"
21
22void root(const rs_allocation *v_in, rs_allocation *v_out) {
23
24    SgLight *light = (SgLight *)rsGetElementAt(*v_in, 0);
25    const SgTransform *lTransform = (const SgTransform *)rsGetElementAt(light->transformMatrix, 0);
26
27    float4 zero = {0.0f, 0.0f, 0.0f, 1.0f};
28    light->position = rsMatrixMultiply(&lTransform->globalMat, zero);
29
30#ifdef DEBUG_LIGHT
31    printLightInfo(light);
32#endif //DEBUG_LIGHT
33}
34