63 lines
2.3 KiB
HLSL
63 lines
2.3 KiB
HLSL
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#ifndef HBAO_DEINTERLEAVING_INCLUDED
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#define HBAO_DEINTERLEAVING_INCLUDED
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#include "HBAO_Common.cginc"
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struct DeinterleavedOutput {
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float4 Z00 : SV_Target0;
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float4 Z10 : SV_Target1;
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float4 Z01 : SV_Target2;
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float4 Z11 : SV_Target3;
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};
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DeinterleavedOutput DeinterleaveDepth_Frag(Varyings input)
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
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DeinterleavedOutput o;
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float2 pos = floor(input.uv * _DeinterleavedAO_TexelSize.zw) * 4.0;
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float2 uv00 = (pos + _Deinterleave_Offset00 + 0.5) * _ReinterleavedAO_TexelSize.xy;
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float2 uv10 = (pos + _Deinterleave_Offset10 + 0.5) * _ReinterleavedAO_TexelSize.xy;
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float2 uv01 = (pos + _Deinterleave_Offset01 + 0.5) * _ReinterleavedAO_TexelSize.xy;
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float2 uv11 = (pos + _Deinterleave_Offset11 + 0.5) * _ReinterleavedAO_TexelSize.xy;
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o.Z00 = FetchRawDepth(uv00).rrrr;
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o.Z10 = FetchRawDepth(uv10).rrrr;
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o.Z01 = FetchRawDepth(uv01).rrrr;
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o.Z11 = FetchRawDepth(uv11).rrrr;
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return o;
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}
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DeinterleavedOutput DeinterleaveNormals_Frag(Varyings input)
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
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DeinterleavedOutput o;
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float2 pos = floor(input.uv * _DeinterleavedAO_TexelSize.zw) * 4.0;
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float2 uv00 = (pos + _Deinterleave_Offset00 + 0.5) * _ReinterleavedAO_TexelSize.xy;
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float2 uv10 = (pos + _Deinterleave_Offset10 + 0.5) * _ReinterleavedAO_TexelSize.xy;
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float2 uv01 = (pos + _Deinterleave_Offset01 + 0.5) * _ReinterleavedAO_TexelSize.xy;
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float2 uv11 = (pos + _Deinterleave_Offset11 + 0.5) * _ReinterleavedAO_TexelSize.xy;
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o.Z00 = float4(FetchViewNormals(uv00, _ReinterleavedAO_TexelSize.xy) * 0.5 + 0.5, 0);
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o.Z10 = float4(FetchViewNormals(uv10, _ReinterleavedAO_TexelSize.xy) * 0.5 + 0.5, 0);
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o.Z01 = float4(FetchViewNormals(uv01, _ReinterleavedAO_TexelSize.xy) * 0.5 + 0.5, 0);
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o.Z11 = float4(FetchViewNormals(uv11, _ReinterleavedAO_TexelSize.xy) * 0.5 + 0.5, 0);
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return o;
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}
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half4 ReinterleaveAO_Frag(Varyings input) : SV_Target
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{
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UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(input);
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float2 offset = fmod(floor(input.uv * _ReinterleavedAO_TexelSize.zw), 4.0);
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float2 uv = (floor(input.uv * _DeinterleavedAO_TexelSize.zw) + (offset * _DeinterleavedAO_TexelSize.zw) + 0.5) * _ReinterleavedAO_TexelSize.xy;
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return UNITY_SAMPLE_SCREENSPACE_TEXTURE(_MainTex, uv);
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}
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#endif // HBAO_DEINTERLEAVING_INCLUDED
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