37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "/Engine/Public/Platform.ush"
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#define NUM_VIEWS 2
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// PS Textures Parameters
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Texture2DArray EnvironmentDepthTexture;
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SamplerState EnvironmentDepthSampler;
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float2 DepthFactors;
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float4x4 ScreenToDepthMatrices[NUM_VIEWS];
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int DepthViewId;
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void HardOcclusionsPS(
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noperspective float4 UVAndScreenPos : TEXCOORD0,
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float4 SvPosition : SV_POSITION,
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#if INSTANCED_STEREO
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in uint InstanceId : SV_InstanceID,
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#elif MOBILE_MULTI_VIEW
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in uint ViewId : SV_ViewID,
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#endif
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out float4 OutColor : SV_Target0,
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out float OutDepth : SV_DEPTH)
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{
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#if INSTANCED_STEREO
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uint ViewId = InstanceId & 1;
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#elif !MOBILE_MULTI_VIEW
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uint ViewId = DepthViewId;
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#endif
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float4 TexCoordH = mul(ScreenToDepthMatrices[ViewId], float4(UVAndScreenPos.x, 1.0f - UVAndScreenPos.y, 0.0, 1.0));
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float3 TexCoord = float3(TexCoordH.x / TexCoordH.w, TexCoordH.y / TexCoordH.w, ViewId);
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float InputDepthEye = EnvironmentDepthTexture.Sample(EnvironmentDepthSampler, TexCoord).r;
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float DepthEye = InputDepthEye * DepthFactors.x + DepthFactors.y;
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OutDepth = DepthEye;
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OutColor = float4(0.0, 0.0, 0.0, 1.0);
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}
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