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o3de/Gems/Atom/Feature/Common/Code/Source/Material/SubsurfaceTransmissionParam...

56 lines
2.1 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <Atom/RPI.Reflect/Material/MaterialFunctor.h>
#include <Atom/RPI.Reflect/Material/MaterialPropertyDescriptor.h>
#include <Atom/RHI.Reflect/Limits.h>
namespace AZ
{
namespace Render
{
//! This functor is used to pack and precalculate parameters required by subsurface scattering and transmission calculation
class SubsurfaceTransmissionParameterFunctor final
: public RPI::MaterialFunctor
{
friend class SubsurfaceTransmissionParameterFunctorSourceData;
public:
AZ_RTTI(SubsurfaceTransmissionParameterFunctor, "{1F95BF80-354E-4A65-9A9E-4C7276F8558F}", RPI::MaterialFunctor);
static void Reflect(ReflectContext* context);
using RPI::MaterialFunctor::Process;
void Process(RuntimeContext& context) override;
private:
// Material property inputs...
RPI::MaterialPropertyIndex m_mode;
RPI::MaterialPropertyIndex m_scale;
RPI::MaterialPropertyIndex m_power;
RPI::MaterialPropertyIndex m_distortion;
RPI::MaterialPropertyIndex m_attenuation;
RPI::MaterialPropertyIndex m_shrinkFactor;
RPI::MaterialPropertyIndex m_transmissionNdLBias;
RPI::MaterialPropertyIndex m_distanceAttenuation;
RPI::MaterialPropertyIndex m_tintColor;
RPI::MaterialPropertyIndex m_thickness;
RPI::MaterialPropertyIndex m_enabled;
RPI::MaterialPropertyIndex m_scatterDistanceColor;
RPI::MaterialPropertyIndex m_scatterDistanceIntensity;
// Shader setting output...
RHI::ShaderInputConstantIndex m_scatterDistance;
RHI::ShaderInputConstantIndex m_transmissionParams;
RHI::ShaderInputConstantIndex m_transmissionTintThickness;
};
} // namespace Render
} // namespace AZ