RuntimeVirtualTextureEnum.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Misc/EnumRange.h"
#include "RuntimeVirtualTextureEnum.generated.h"
 
namespace RuntimeVirtualTexture { enum { MaxTextureLayers = 3 }; }
 
enum class ERuntimeVirtualTextureAttributeType : uint8
{
    BaseColor,
    Normal,
    Roughness,
    Specular,
    Mask,
    Mask4,
    WorldHeight,
    Displacement,
 
    Count
};
 
static_assert((uint32)ERuntimeVirtualTextureAttributeType::Count <= 8u, "ERuntimeVirtualTextureAttributeType can no longer be used to create 8bit masks.");
 
UENUM()
enum class ERuntimeVirtualTextureMaterialType : uint8
{
    BaseColor UMETA(DisplayName = "Base Color"),
    Mask4 UMETA(DisplayName = "Mask4", ToolTip = "4 channel mask texture."),
    BaseColor_Normal_Roughness UMETA(DisplayName = "Base Color, Normal, Roughness", ToolTip = "Local space Normal. Requires less memory than 'Base Color, Normal, Roughness, Specular'. Supports LQ compression."),
    BaseColor_Normal_Specular UMETA(DisplayName = "Base Color, Normal, Roughness, Specular"),
    BaseColor_Normal_Specular_YCoCg UMETA(DisplayName = "YCoCg Base Color, Normal, Roughness, Specular", ToolTip = "Base Color is stored in YCoCg space. This requires more memory but may provide better quality."),
    BaseColor_Normal_Specular_Mask_YCoCg UMETA(DisplayName = "YCoCg Base Color, Normal, Roughness, Specular, Mask", ToolTip="Base Color is stored in YCoCg space. This requires more memory but may provide better quality."),
    WorldHeight UMETA(DisplayName = "World Height"),
    Displacement UMETA(DisplayName = "Displacement"),
    Count UMETA(Hidden),
};
 
namespace RuntimeVirtualTexture { enum { MaterialType_NumBits = 3 }; }
static_assert((uint32)ERuntimeVirtualTextureMaterialType::Count <= (1 << (uint32)RuntimeVirtualTexture::MaterialType_NumBits), "NumBits is too small");
 
ENUM_RANGE_BY_COUNT(ERuntimeVirtualTextureMaterialType, ERuntimeVirtualTextureMaterialType::Count);
 
UENUM()
enum class ERuntimeVirtualTextureMainPassType : uint8
{
    Never UMETA(DisplayName = "Never"),
    Exclusive UMETA(DisplayName = "From Virtual Texture"),
    Always UMETA(DisplayName = "Always"),
};
 
enum ERuntimeVirtualTextureShaderUniform
{
    ERuntimeVirtualTextureShaderUniform_WorldToUVTransform0,
    ERuntimeVirtualTextureShaderUniform_WorldToUVTransform1,
    ERuntimeVirtualTextureShaderUniform_WorldToUVTransform2,
    ERuntimeVirtualTextureShaderUniform_WorldHeightUnpack,
    ERuntimeVirtualTextureShaderUniform_Count,
};