From a03748f1faa5997085bebb897fc0c85449f934f5 Mon Sep 17 00:00:00 2001 From: BlueRose <378100977@qq.com> Date: Thu, 10 Apr 2025 10:03:39 +0800 Subject: [PATCH] vault backup: 2025-04-10 10:03:39 --- .../Material/ShaderWorld Debug笔记.md | 113 ++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 03-UnrealEngine/Rendering/Material/ShaderWorld Debug笔记.md diff --git a/03-UnrealEngine/Rendering/Material/ShaderWorld Debug笔记.md b/03-UnrealEngine/Rendering/Material/ShaderWorld Debug笔记.md new file mode 100644 index 0000000..6c0675e --- /dev/null +++ b/03-UnrealEngine/Rendering/Material/ShaderWorld Debug笔记.md @@ -0,0 +1,113 @@ +--- +title: 未命名 +date: 2025-04-10 09:14:41 +excerpt: +tags: +rating: ⭐ +--- +# 错误日志 +```c++ +UATHelper: Packaging (Android (ASTC)): LogInit: Display: LogShaderCompilers: Warning: Failed to compile Material /ShaderWorld/Material/MSPresets/MS_Foliage_Material/MasterMaterials/MA_Impostor.MA_Impostor (MI:/ShaderWorld/Spawnables/BlackAlder/Materials/Impostor/MAI_Impostor_BlackAlder.MAI_Impostor_BlackAlder) for platform SF_VULKAN_ES31_ANDROID, Default Material will be used in game. +UATHelper: Packaging (Android (ASTC)): /Engine/Generated/Material.ush:3672:27: error: no matching function for call to 'transpose' +UATHelper: Packaging (Android (ASTC)): return mul(InWorldVector, transpose(Parameters.InstanceLocalToWorld)); +UATHelper: Packaging (Android (ASTC)): ^~~~~~~~~ +UATHelper: Packaging (Android (ASTC)): /Engine/Generated/Material.ush:3672:27: note: candidate function not viable: no known conversion from 'FDFMatrix' to 'matrix' for 1st argument +UATHelper: Packaging (Android (ASTC)): return mul(InWorldVector, transpose(Parameters.InstanceLocalToWorld)); +UATHelper: Packaging (Android (ASTC)): ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +UATHelper: Packaging (Android (ASTC)): /Engine/Generated/Material.ush:3701:37: error: no matching function for call to 'transpose' +UATHelper: Packaging (Android (ASTC)): return mul(InWorldVector, (float3x3)transpose(Parameters.InstanceLocalToWorld)) / (temp*temp); +UATHelper: Packaging (Android (ASTC)): ^~~~~~~~~ +UATHelper: Packaging (Android (ASTC)): /Engine/Generated/Material.ush:3701:37: note: candidate function not viable: no known conversion from 'FDFMatrix' to 'matrix' for 1st argument +UATHelper: Packaging (Android (ASTC)): return mul(InWorldVector, (float3x3)transpose(Parameters.InstanceLocalToWorld)) / (temp*temp); +UATHelper: Packaging (Android (ASTC)): ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +UATHelper: Packaging (Android (ASTC)): /Engine/Generated/Material.ush:3722:27: error: no matching function for call to 'transpose' +UATHelper: Packaging (Android (ASTC)): return mul(InWorldVector, transpose(Parameters.InstanceLocalToWorld)); +UATHelper: Packaging (Android (ASTC)): ^~~~~~~~~ +UATHelper: Packaging (Android (ASTC)): /Engine/Generated/Material.ush:3722:27: note: candidate function not viable: no known conversion from 'FDFMatrix' to 'matrix' for 1st argument +UATHelper: Packaging (Android (ASTC)): return mul(InWorldVector, transpose(Parameters.InstanceLocalToWorld)); +UATHelper: Packaging (Android (ASTC)): ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +``` + + +搜索结果大致是： +```c++ +MaterialFloat3 CustomExpression1(FMaterialVertexParameters Parameters,float3 InWorldVector, FWSVector3 LWCInWorldVector) +{ +#if USE_INSTANCING || IS_MESHPARTICLE_FACTORY +return mul(InWorldVector, transpose(Parameters.InstanceLocalToWorld)); +#else +return mul(InWorldVector, (MaterialFloat3x3)LWCToFloat(GetPrimitiveData(Parameters.PrimitiveId).WorldToLocal)); +#endif +} + +MaterialFloat3 CustomExpression4(FMaterialVertexParameters Parameters,MaterialFloat3 InWorldVector) +{ +#if USE_INSTANCING || IS_MESHPARTICLE_FACTORY +float3 temp; +temp.x = length(TransformLocalVectorToWorld(Parameters, float3(1,0,0))); +temp.y = length(TransformLocalVectorToWorld(Parameters, float3(0,1,0))); +temp.z = length(TransformLocalVectorToWorld(Parameters, float3(0,0,1))); +return mul(InWorldVector, (MaterialFloat3x3)transpose(Parameters.InstanceLocalToWorld)) / (temp*temp); +#else +return mul(InWorldVector, (MaterialFloat3x3)LWCToFloat(GetPrimitiveData(Parameters.PrimitiveId).WorldToLocal)); +#endif +} + +MaterialFloat3 CustomExpression6(FMaterialVertexParameters Parameters,MaterialFloat3 InWorldVector) +{ +#if USE_INSTANCING || IS_MESHPARTICLE_FACTORY +return mul(InWorldVector, transpose(Parameters.InstanceLocalToWorld)); +#else +return mul(InWorldVector, (MaterialFloat3x3)LWCToFloat(GetPrimitiveData(Parameters.PrimitiveId).WorldToLocal)); +#endif +} + +MaterialFloat3 CustomExpression6(FMaterialVertexParameters Parameters,MaterialFloat3 InWorldVector) +{ +#if USE_INSTANCING || IS_MESHPARTICLE_FACTORY +return mul(InWorldVector, transpose(Parameters.InstanceLocalToWorld)); +#else +return mul(InWorldVector, (MaterialFloat3x3)LWCToFloat(GetPrimitiveData(Parameters.PrimitiveId).WorldToLocal)); +#endif +} + +MaterialFloat3 CustomExpression9(FMaterialVertexParameters Parameters,float3 InWorldVector, FWSVector3 LWCInWorldVector) +{ +#if USE_INSTANCING || IS_MESHPARTICLE_FACTORY +return mul(InWorldVector, transpose(Parameters.InstanceLocalToWorld)); +#else +return mul(InWorldVector, (MaterialFloat3x3)LWCToFloat(GetPrimitiveData(Parameters.PrimitiveId).WorldToLocal)); +#endif +} + +MaterialFloat3 CustomExpression12(FMaterialVertexParameters Parameters,MaterialFloat3 InWorldVector) +{ +#if USE_INSTANCING || IS_MESHPARTICLE_FACTORY +float3 temp; +temp.x = length(TransformLocalVectorToWorld(Parameters, float3(1,0,0))); +temp.y = length(TransformLocalVectorToWorld(Parameters, float3(0,1,0))); +temp.z = length(TransformLocalVectorToWorld(Parameters, float3(0,0,1))); +return mul(InWorldVector, (MaterialFloat3x3)transpose(Parameters.InstanceLocalToWorld)) / (temp*temp); +#else +return mul(InWorldVector, (MaterialFloat3x3)LWCToFloat(GetPrimitiveData(Parameters.PrimitiveId).WorldToLocal)); +#endif +} +``` + + +## +```c++ + #if USE_INSTANCING || USE_INSTANCE_CULLING + float3x3 LocalToWorld = DFToFloat3x3(Parameters.InstanceLocalToWorld); + float3 LocalPosition = Parameters.InstanceLocalPosition; + + // skip if this instance is hidden + if (Parameters.PerInstanceParams.y < 1.f) + { + return float3(0,0,0); + } + #else + float3x3 LocalToWorld = DFToFloat3x3(GetPrimitiveData(Parameters).LocalToWorld); + float3 LocalPosition = WSMultiplyDemote(GetWorldPosition(Parameters), Parameters.LWCData.WorldToLocal); + #endif +``` \ No newline at end of file