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51 行
1.5 KiB
51 行
1.5 KiB
#ifndef LIGHTLOOP_SHADOW_CONTEXT_HLSL
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#define LIGHTLOOP_SHADOW_CONTEXT_HLSL
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#define SHADOWCONTEXT_MAX_TEX2DARRAY 1
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#define SHADOWCONTEXT_MAX_TEXCUBEARRAY 0
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#define SHADOWCONTEXT_MAX_SAMPLER 0
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#define SHADOWCONTEXT_MAX_COMPSAMPLER 1
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#define SHADOW_OPTIMIZE_REGISTER_USAGE 1
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#include "CoreRP/ShaderLibrary/Shadow/Shadow.hlsl"
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#if SHADOWCONTEXT_MAX_TEX2DARRAY == 4
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TEXTURE2D_ARRAY(_ShadowmapExp_VSM_0);
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SAMPLER(sampler_ShadowmapExp_VSM_0);
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TEXTURE2D_ARRAY(_ShadowmapExp_VSM_1);
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SAMPLER(sampler_ShadowmapExp_VSM_1);
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TEXTURE2D_ARRAY(_ShadowmapExp_VSM_2);
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SAMPLER(sampler_ShadowmapExp_VSM_2);
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#endif
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TEXTURE2D_ARRAY(_ShadowmapExp_PCF);
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SAMPLER_CMP(sampler_ShadowmapExp_PCF);
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StructuredBuffer<ShadowData> _ShadowDatasExp;
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StructuredBuffer<int4> _ShadowPayloads;
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// Currently we only use the PCF atlas.
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// Keeping all other bindings for reference and for future PC dynamic shadow configuration as it's harmless anyway.
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ShadowContext InitShadowContext()
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{
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ShadowContext sc;
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sc.shadowDatas = _ShadowDatasExp;
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sc.payloads = _ShadowPayloads;
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sc.tex2DArray[0] = _ShadowmapExp_PCF;
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sc.compSamplers[0] = sampler_ShadowmapExp_PCF;
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#if SHADOWCONTEXT_MAX_TEX2DARRAY == 4
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sc.tex2DArray[1] = _ShadowmapExp_VSM_0;
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sc.tex2DArray[2] = _ShadowmapExp_VSM_1;
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sc.tex2DArray[3] = _ShadowmapExp_VSM_2;
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#endif
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#if SHADOWCONTEXT_MAX_SAMPLER == 3
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sc.samplers[0] = sampler_ShadowmapExp_VSM_0;
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sc.samplers[1] = sampler_ShadowmapExp_VSM_1;
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sc.samplers[2] = sampler_ShadowmapExp_VSM_2;
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#endif
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return sc;
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}
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#endif // LIGHTLOOP_SHADOW_CONTEXT_HLSL
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