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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// 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.
#ifndef Plane_hpp
#define Plane_hpp
#include "Vector.hpp"
namespace sw
{
struct Matrix;
struct Plane
{
float A;
float B;
float C;
float D;
Plane();
Plane(float A, float B, float C, float D); // Plane equation
Plane(const float ABCD[4]);
friend Plane operator*(const Plane &p, const Matrix &A); // Transform plane by matrix (post-multiply)
friend Plane operator*(const Matrix &A, const Plane &p); // Transform plane by matrix (pre-multiply)
};
}
#endif // Plane_hpp