32 lines
857 B
HLSL
32 lines
857 B
HLSL
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "/Engine/Public/Platform.ush"
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#include "/Plugin/TextureGraph/SamplerStates.ush"
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#include "/Plugin/TextureGraph/ShaderUtil.ush"
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Texture2D Input;
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float Hue = 1;
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float Saturation = 1;
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float Value = 1;
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float4 FSH_HSV(float2 uv : TEXCOORD0) : SV_Target0
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{
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float4 Clr = Input.Sample(SamplerStates_NoBorder, uv);
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float3 ClrHSV = RGBToHSV(Clr.rgb);
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ClrHSV *= float3(Hue, Saturation, Value);
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return float4(HSVToRGB(ClrHSV), Clr.a);
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}
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float4 FSH_RGB2HSV(float2 uv : TEXCOORD0) : SV_Target0
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{
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float4 Clr = Input.Sample(SamplerStates_NoBorder, uv);
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float3 ClrHSV = RGBToHSV(Clr.rgb);
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return float4(ClrHSV, Clr.a);
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}
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float4 FSH_HSV2RGB(float2 uv : TEXCOORD0) : SV_Target0
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{
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float4 Clr = Input.Sample(SamplerStates_NoBorder, uv);
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float3 ClrRGB = HSVToRGB(Clr.rgb);
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return float4(ClrRGB, Clr.a);
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}
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