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Add smooth shadows blending between directional light cascades

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It was deprecated in 1.9 in favor for dithering between cascades. Bing back that option for games that don't use TAA.
This commit is contained in:
Wojtek Figat
2025-03-27 10:48:35 +01:00
parent fa1469514b
commit 98834131f1
8 changed files with 105 additions and 52 deletions
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26
Source/Shaders/Shadows.shader
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@@ -1,7 +1,7 @@
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#define USE_GBUFFER_CUSTOM_DATA
#define SHADOWS_CSM_BLENDING 1
#define SHADOWS_CSM_DITHERING 1
#include "./Flax/Common.hlsl"
#include "./Flax/GBuffer.hlsl"
@@ -102,14 +102,22 @@ float4 PS_PointLight(Model_VS2PS input) : SV_Target0
// Pixel shader for directional light shadow rendering
META_PS(true, FEATURE_LEVEL_ES2)
META_PERMUTATION_2(SHADOWS_QUALITY=0,CONTACT_SHADOWS=0)
META_PERMUTATION_2(SHADOWS_QUALITY=1,CONTACT_SHADOWS=0)
META_PERMUTATION_2(SHADOWS_QUALITY=2,CONTACT_SHADOWS=0)
META_PERMUTATION_2(SHADOWS_QUALITY=3,CONTACT_SHADOWS=0)
META_PERMUTATION_2(SHADOWS_QUALITY=0,CONTACT_SHADOWS=1)
META_PERMUTATION_2(SHADOWS_QUALITY=1,CONTACT_SHADOWS=1)
META_PERMUTATION_2(SHADOWS_QUALITY=2,CONTACT_SHADOWS=1)
META_PERMUTATION_2(SHADOWS_QUALITY=3,CONTACT_SHADOWS=1)
META_PERMUTATION_3(SHADOWS_QUALITY=0,CONTACT_SHADOWS=0,SHADOWS_CSM_BLENDING=0)
META_PERMUTATION_3(SHADOWS_QUALITY=1,CONTACT_SHADOWS=0,SHADOWS_CSM_BLENDING=0)
META_PERMUTATION_3(SHADOWS_QUALITY=2,CONTACT_SHADOWS=0,SHADOWS_CSM_BLENDING=0)
META_PERMUTATION_3(SHADOWS_QUALITY=3,CONTACT_SHADOWS=0,SHADOWS_CSM_BLENDING=0)
META_PERMUTATION_3(SHADOWS_QUALITY=0,CONTACT_SHADOWS=1,SHADOWS_CSM_BLENDING=0)
META_PERMUTATION_3(SHADOWS_QUALITY=1,CONTACT_SHADOWS=1,SHADOWS_CSM_BLENDING=0)
META_PERMUTATION_3(SHADOWS_QUALITY=2,CONTACT_SHADOWS=1,SHADOWS_CSM_BLENDING=0)
META_PERMUTATION_3(SHADOWS_QUALITY=3,CONTACT_SHADOWS=1,SHADOWS_CSM_BLENDING=0)
META_PERMUTATION_3(SHADOWS_QUALITY=0,CONTACT_SHADOWS=0,SHADOWS_CSM_BLENDING=1)
META_PERMUTATION_3(SHADOWS_QUALITY=1,CONTACT_SHADOWS=0,SHADOWS_CSM_BLENDING=1)
META_PERMUTATION_3(SHADOWS_QUALITY=2,CONTACT_SHADOWS=0,SHADOWS_CSM_BLENDING=1)
META_PERMUTATION_3(SHADOWS_QUALITY=3,CONTACT_SHADOWS=0,SHADOWS_CSM_BLENDING=1)
META_PERMUTATION_3(SHADOWS_QUALITY=0,CONTACT_SHADOWS=1,SHADOWS_CSM_BLENDING=1)
META_PERMUTATION_3(SHADOWS_QUALITY=1,CONTACT_SHADOWS=1,SHADOWS_CSM_BLENDING=1)
META_PERMUTATION_3(SHADOWS_QUALITY=2,CONTACT_SHADOWS=1,SHADOWS_CSM_BLENDING=1)
META_PERMUTATION_3(SHADOWS_QUALITY=3,CONTACT_SHADOWS=1,SHADOWS_CSM_BLENDING=1)
float4 PS_DirLight(Quad_VS2PS input) : SV_Target0
{
// Sample GBuffer