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Fix GlobalSDF sampling in materials to properly read far cascades

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This commit is contained in:
Wojtek Figat
2024-06-06 12:10:44 +02:00
parent 96303e57ec
commit a232dac196
7 changed files with 14 additions and 23 deletions
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4
Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Textures.cpp
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@@ -665,7 +665,7 @@ void MaterialGenerator::ProcessGroupTextures(Box* box, Node* node, Value& value)
{
auto param = findOrAddGlobalSDF();
Value worldPosition = tryGetValue(node->GetBox(1), Value(VariantType::Float3, TEXT("input.WorldPosition.xyz"))).Cast(VariantType::Float3);
value = writeLocal(VariantType::Float, String::Format(TEXT("SampleGlobalSDF({0}, {0}_Tex, {1})"), param.ShaderName, worldPosition.Value), node);
value = writeLocal(VariantType::Float, String::Format(TEXT("SampleGlobalSDF({0}, {0}_Tex, {0}_Mip, {1})"), param.ShaderName, worldPosition.Value), node);
_includes.Add(TEXT("./Flax/GlobalSignDistanceField.hlsl"));
break;
}
@@ -677,7 +677,7 @@ void MaterialGenerator::ProcessGroupTextures(Box* box, Node* node, Value& value)
auto param = findOrAddGlobalSDF();
Value worldPosition = tryGetValue(node->GetBox(1), Value(VariantType::Float3, TEXT("input.WorldPosition.xyz"))).Cast(VariantType::Float3);
auto distance = writeLocal(VariantType::Float, node);
auto gradient = writeLocal(VariantType::Float3, String::Format(TEXT("SampleGlobalSDFGradient({0}, {0}_Tex, {1}, {2})"), param.ShaderName, worldPosition.Value, distance.Value), node);
auto gradient = writeLocal(VariantType::Float3, String::Format(TEXT("SampleGlobalSDFGradient({0}, {0}_Tex, {0}_Mip, {1}, {2})"), param.ShaderName, worldPosition.Value, distance.Value), node);
_includes.Add(TEXT("./Flax/GlobalSignDistanceField.hlsl"));
gradientBox->Cache = gradient;
distanceBox->Cache = distance;