// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef Plane_hpp
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#define Plane_hpp
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#include "Vector.hpp"
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namespace sw
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{
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struct Matrix;
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struct Plane
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{
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float A;
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float B;
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float C;
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float D;
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Plane();
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Plane(float A, float B, float C, float D); // Plane equation
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Plane(const float ABCD[4]);
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friend Plane operator*(const Plane &p, const Matrix &A); // Transform plane by matrix (post-multiply)
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friend Plane operator*(const Matrix &A, const Plane &p); // Transform plane by matrix (pre-multiply)
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};
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}
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#endif // Plane_hpp
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