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 
22 void 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