61 lines
1.7 KiB
Plaintext
61 lines
1.7 KiB
Plaintext
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/*
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* Copyright (c) 2022 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*
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* NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
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* property and proprietary rights in and to this material, related
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* documentation and any modifications thereto. Any use, reproduction,
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* disclosure or distribution of this material and related documentation
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* without an express license agreement from NVIDIA CORPORATION or
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* its affiliates is strictly prohibited.
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*/
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#include "/Engine/Private/Common.ush"
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#include "/Engine/Private/FastMath.ush"
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#include "/Engine/Private/ScreenPass.ush"
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#ifndef THREADGROUP_SIZEX
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#define THREADGROUP_SIZEX 8
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#endif
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#ifndef THREADGROUP_SIZEY
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#define THREADGROUP_SIZEY 8
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#endif
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#define THREADGROUP_TOTALSIZE (THREADGROUP_SIZEX * THREADGROUP_SIZEY)
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float AlphaThreshold;
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Texture2D Backbuffer;
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//SamplerState VelocityTextureSampler;
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//SCREEN_PASS_TEXTURE_VIEWPORT(Velocity)
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//Texture2D DepthTexture;
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//SamplerState DepthTextureSampler;
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RWTexture2D<float4> OutUIHintTexture;
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//SCREEN_PASS_TEXTURE_VIEWPORT(CombinedVelocity)
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[numthreads(THREADGROUP_SIZEX, THREADGROUP_SIZEY, 1)]
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void UIHintExtractionMain(
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uint2 GroupId : SV_GroupID,
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uint2 DispatchThreadId : SV_DispatchThreadID,
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uint2 GroupThreadId : SV_GroupThreadID,
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uint GroupIndex : SV_GroupIndex)
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{
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//uint2 PixelPos = min(DispatchThreadId + Velocity_ViewportMin, Velocity_ViewportMax - 1);
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//uint2 OutputPixelPos = CombinedVelocity_ViewportMin + DispatchThreadId;
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// TODO viewrects
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uint2 PixelPos = DispatchThreadId;
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uint2 OutPixelPos = DispatchThreadId;
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float4 ColorAlpha = Backbuffer[PixelPos];
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OutUIHintTexture[OutPixelPos] = (ColorAlpha.a > AlphaThreshold) ? ColorAlpha : float4(0.0, 0.0, 0.0, 0.0);
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}
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