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      1 
      2 /*
      3  * Copyright (C) 2013 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 #ifndef ANDROID_HWUI_AMBIENT_SHADOW_H
     19 #define ANDROID_HWUI_AMBIENT_SHADOW_H
     20 
     21 #include "Debug.h"
     22 #include "Vector.h"
     23 
     24 namespace android {
     25 namespace uirenderer {
     26 
     27 class VertexBuffer;
     28 
     29 /**
     30  * AmbientShadow is used to calculate the ambient shadow value around a polygon.
     31  */
     32 class AmbientShadow {
     33 public:
     34     static void createAmbientShadow(bool isCasterOpaque, const Vector3* poly, int polyLength,
     35                                     const Vector3& centroid3d, float heightFactor, float geomFactor,
     36                                     VertexBuffer& shadowVertexBuffer);
     37 };  // AmbientShadow
     38 
     39 };  // namespace uirenderer
     40 };  // namespace android
     41 
     42 #endif  // ANDROID_HWUI_AMBIENT_SHADOW_H
     43