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51 lines
1.6 KiB
Plaintext
51 lines
1.6 KiB
Plaintext
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file 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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*
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*/
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#include <Atom/Features/SrgSemantics.azsli>
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#include <Atom/Features/PostProcessing/FullscreenPixelInfo.azsli>
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#include <Atom/Features/PostProcessing/FullscreenVertex.azsli>
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#include <Atom/Features/PostProcessing/PostProcessUtil.azsli>
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#include <Atom/Features/PostProcessing/Aces.azsli>
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ShaderResourceGroup PassSrg : SRG_PerPass
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{
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Texture2D<float4> m_color;
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Texture3D<float4> m_lut;
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Sampler LinearSampler
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{
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MinFilter = Linear;
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MagFilter = Linear;
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MipFilter = Linear;
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AddressU = Clamp;
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AddressV = Clamp;
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AddressW = Clamp;
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};
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float m_shaperBias;
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float m_shaperScale;
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}
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PSOutput MainPS(VSOutput IN)
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{
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PSOutput OUT;
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float2 uvCoord = float2(IN.m_texCoord.x, IN.m_texCoord.y);
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float4 acescg = PassSrg::m_color.Sample(PassSrg::LinearSampler, uvCoord);
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float3 color = mul(XYZToSRGBMat, mul(D60ToD65Cat, mul(AP1ToXYZMat, acescg.rgb)));
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float3 lutCoordinate = log(color.rgb)/log(2.0) * PassSrg::m_shaperScale + PassSrg::m_shaperBias;
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OUT.m_color = PassSrg::m_lut.Sample(PassSrg::LinearSampler, lutCoordinate);
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OUT.m_color.a = 1.0f;
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return OUT;
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}
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