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41 行
2.0 KiB
41 行
2.0 KiB
#ifndef FPTL_SHADOW_HLSL
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#define FPTL_SHADOW_HLSL
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#define SHADOW_DISPATCH_USE_CUSTOM_PUNCTUAL // Define this to provide custom implementations of GetPunctualShadowAttenuation
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#define SHADOW_DISPATCH_USE_CUSTOM_DIRECTIONAL // Define this to provide custom implementations of GetDirectionalShadowAttenuation
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#define SHADOW_USE_ONLY_VIEW_BASED_BIASING 1 // don't use the normal for biasing
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#include "ShadowContext.hlsl"
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#ifdef SHADOW_DISPATCH_USE_CUSTOM_DIRECTIONAL
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float GetDirectionalShadowAttenuation( ShadowContext shadowContext, float3 positionWS, float3 normalWS, int shadowDataIndex, float3 L )
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{
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Texture2DArray tex = shadowContext.tex2DArray[0];
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SamplerComparisonState compSamp = shadowContext.compSamplers[0];
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uint algo = GPUSHADOWALGORITHM_PCF_9TAP;
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return EvalShadow_CascadedDepth_Blend( shadowContext, algo, tex, compSamp, positionWS, normalWS, shadowDataIndex, L );
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}
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float GetDirectionalShadowAttenuation( ShadowContext shadowContext, float3 positionWS, float3 normalWS, int shadowDataIndex, float3 L, float2 unPositionSS )
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{
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return GetDirectionalShadowAttenuation( shadowContext, positionWS, normalWS, shadowDataIndex, L );
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}
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#endif
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#ifdef SHADOW_DISPATCH_USE_CUSTOM_PUNCTUAL
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float GetPunctualShadowAttenuation( ShadowContext shadowContext, float3 positionWS, float3 normalWS, int shadowDataIndex, float3 L, float L_dist )
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{
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// example for choosing the same algo
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Texture2DArray tex = shadowContext.tex2DArray[0];
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SamplerComparisonState compSamp = shadowContext.compSamplers[0];
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uint algo = GPUSHADOWALGORITHM_PCF_9TAP;
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return EvalShadow_PunctualDepth( shadowContext, algo, tex, compSamp, positionWS, normalWS, shadowDataIndex, L, L_dist );
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}
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float GetPunctualShadowAttenuation( ShadowContext shadowContext, float3 positionWS, float3 normalWS, int shadowDataIndex, float3 L, float L_dist, float2 unPositionSS )
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{
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return GetPunctualShadowAttenuation( shadowContext, positionWS, normalWS, shadowDataIndex, L, L_dist );
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}
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#endif
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#endif // FPTL_SHADOW_HLSL
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