86 lines
2.0 KiB
Plaintext
86 lines
2.0 KiB
Plaintext
// Copyright PICO Technology Co., Ltd. All rights reserved.
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// This plugin incorporates portions of the Unreal® Engine. Unreal® is a trademark or registered trademark of Epic Games, Inc. in the United States of America and elsewhere.
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "/Engine/Private/Common.ush"
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#include "/Engine/Public/Platform.ush"
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Texture2D InTexture;
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SamplerState InTextureSampler;
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/////////////////////////////////////////////
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void MainVertexShader(
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float4 InPosition : ATTRIBUTE0,
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float2 InUV : ATTRIBUTE1,
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out float2 OutUV : TEXCOORD0,
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out float4 OutPosition : SV_POSITION
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)
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{
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OutPosition = InPosition;
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OutUV = InUV;
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}
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Texture2D<uint> TextureParameter;
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void MainWhiteShader(
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out float4 OutColor : SV_Target0
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)
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{
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OutColor = float4(1, 1, 1, 1);
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}
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void MainBlackShader(
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out float4 OutColor : SV_Target0
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)
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{
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OutColor = float4(0, 0, 0, 0);
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}
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TextureCube InTextureCube;
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void MainAlphaInverseShader(
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in float2 uv : TEXCOORD0,
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out float4 OutColor : SV_Target0
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)
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{
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float InverseAlpha = 1 - Texture2DSample(InTexture, InTextureSampler, uv).a;
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OutColor = float4(0, 0, 0, InverseAlpha);
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}
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int CubeFaceIndex;
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void MainForCubemap(
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FScreenVertexOutput Input,
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out float4 OutColor : SV_Target0
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)
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{
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float u = Input.UV.x * 2. - 1.0;
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float v = Input.UV.y * 2. - 1.0;
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if(CubeFaceIndex == 0)
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{
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OutColor = TextureCubeSample(InTextureCube, InTextureSampler, float3(1., v, u));
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}
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else if(CubeFaceIndex == 1)
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{
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OutColor = TextureCubeSample(InTextureCube, InTextureSampler, float3(-1., v, -u));
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}
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else if(CubeFaceIndex == 2)
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{
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OutColor = TextureCubeSample(InTextureCube, InTextureSampler, float3(u, 1., v));
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}
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else if(CubeFaceIndex == 3)
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{
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OutColor = TextureCubeSample(InTextureCube, InTextureSampler, float3(u, -1., -v));
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}
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else if(CubeFaceIndex == 5)
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{
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OutColor = TextureCubeSample(InTextureCube, InTextureSampler, float3(-u,v,1.));
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}
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else if(CubeFaceIndex == 4)
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{
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OutColor = TextureCubeSample(InTextureCube, InTextureSampler, float3(u,v,-1.));
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}
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}
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