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#jira UE-156429 #preflight 62b32e826a25ba6ae52f94bd #rb jason.walter [CL 20795375 by Robb Surridge in ue5-main branch]
39 lines
1.5 KiB
Plaintext
39 lines
1.5 KiB
Plaintext
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#define SCREEN_PASS_STRUCT_MEMBER(StructName, MemberType, MemberName) MemberType StructName##_##MemberName;
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#define SCREEN_PASS_TEXTURE_VIEWPORT(StructName) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, Extent) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, ExtentInverse) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, ScreenPosToViewportScale) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, ScreenPosToViewportBias) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, uint2, ViewportMin) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, uint2, ViewportMax) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, ViewportSize) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, ViewportSizeInverse) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, UVViewportMin) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, UVViewportMax) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, UVViewportSize) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, UVViewportSizeInverse) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, UVViewportBilinearMin) \
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SCREEN_PASS_STRUCT_MEMBER(StructName, float2, UVViewportBilinearMax)
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// Substitute for structure abstraction until HLSLCC is gone
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#define FScreenTransform float4
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float2 ApplyScreenTransform(float2 PInA, FScreenTransform AToB)
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{
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return PInA * AToB.xy + AToB.zw;
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}
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#if PLATFORM_SUPPORTS_REAL_TYPES
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half2 ApplyScreenTransform(half2 PInA, FScreenTransform AToB)
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{
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return PInA * half2(AToB.xy) + half2(AToB.zw);
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}
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#endif
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