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28 lines
1.4 KiB
28 lines
1.4 KiB
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Builtin/BuiltinData.hlsl"
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Filtering.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/PostProcessing/Shaders/PostProcessDefines.hlsl"
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CTYPE Sample(TEXTURE2D_X_PARAM(_InputTexture, _InputTextureSampler), float2 UV)
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{
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float2 ScaledUV = ClampAndScaleUVForPoint(UV);
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return SAMPLE_TEXTURE2D_X_LOD(_InputTexture, _InputTextureSampler, ScaledUV, 0).CTYPE_SWIZZLE;
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}
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CTYPE Nearest(TEXTURE2D_X(_InputTexture), float2 UV)
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{
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return Sample(TEXTURE2D_X_ARGS(_InputTexture, s_point_clamp_sampler), UV);
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}
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CTYPE CatmullRomFourSamples(TEXTURE2D_X(_InputTexture), float2 UV)
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{
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float2 TexSize = _ScreenSize.xy * rcp(_RTHandleScale.xy);
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float4 bicubicWnd = float4(TexSize, 1.0 / (TexSize));
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return SampleTexture2DBicubic( TEXTURE2D_X_ARGS(_InputTexture, s_linear_clamp_sampler),
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UV * _RTHandleScale.xy,
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bicubicWnd,
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(1.0f - 0.5f * _ScreenSize.zw) * _RTHandleScale.xy,
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unity_StereoEyeIndex).CTYPE_SWIZZLE;
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}
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