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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "IntensityDistribution.h"
#include "Light.h"
namespace ospray {
/*! a QuadLight is a virtual area light uniformly emitting from a rectangular
* area into the positive half space */
struct OSPRAY_SDK_INTERFACE QuadLight : public Light
{
QuadLight(api::ISPCDevice &device) : Light(device, FFO_LIGHT_QUAD) {}
virtual ~QuadLight() override = default;
virtual ispc::Light *createSh(
uint32_t, const ispc::Instance *instance = nullptr) const override;
virtual std::string toString() const override;
virtual void commit() override;
private:
void processIntensityQuantityType();
vec3f position{0.f}; //!< world-space corner position of the light
vec3f edge1{1.f, 0.f, 0.f}; //!< vectors to adjacent corners
vec3f edge2{0.f, 1.f, 0.f}; //!< vectors to adjacent corners
vec3f radiance{1.f}; //!< emitted radiance of the QuadLight
IntensityDistribution intensityDistribution;
};
} // namespace ospray
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