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#jira UE-144726, UE-137516 #preflight 62228e4eb066ef60bbbefa5e #rb ben.ingram [CL 19297515 by michael balzer in ue5-main branch]
53 lines
1.4 KiB
Plaintext
53 lines
1.4 KiB
Plaintext
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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SimpleElementVertexShader.hlsl: Vertex shader for drawing simple elements.
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=============================================================================*/
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#include "Common.ush"
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#ifndef ALLOW_SWITCH_VERTICALAXIS
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#define ALLOW_SWITCH_VERTICALAXIS 0
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#endif
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#ifndef ENABLE_LWC
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#define ENABLE_LWC 0
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#endif
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float4x4 Transform;
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#if ENABLE_LWC
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float3 TransformTilePosition;
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#endif
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float SwitchVerticalAxis;
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void Main(
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in float4 InRelativePosition : ATTRIBUTE0,
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in float4 InTilePosition : ATTRIBUTE1,
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in float2 InTextureCoordinate : ATTRIBUTE2,
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in float4 InColor : ATTRIBUTE3,
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in float4 InHitProxyId : ATTRIBUTE4,
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out float2 OutTextureCoordinate : TEXCOORD0,
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out float4 OutColor : TEXCOORD1,
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out float4 OutHitProxyId : TEXCOORD2,
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out float4 OutPosition : SV_POSITION
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)
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{
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#if ENABLE_LWC
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FLWCVector4 InPosition = MakeLWCVector4(InTilePosition, InRelativePosition);
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FLWCInverseMatrix WorldToClip = MakeLWCInverseMatrix(TransformTilePosition, Transform);
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OutPosition = LWCMultiply(InPosition, WorldToClip);
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OutPosition.z = max(OutPosition.z, 0);
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#else
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OutPosition = mul(InRelativePosition, Transform);
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#endif
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#if ALLOW_SWITCH_VERTICALAXIS
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OutPosition.y *= SwitchVerticalAxis;
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#endif
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OutTextureCoordinate = InTextureCoordinate;
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OutColor = InColor;
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OutHitProxyId = InHitProxyId;
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}
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