ResourceFormats.h

 
#pragma once
 
#include <RendererFoundation/RendererFoundationDLL.h>
 
struct PL_RENDERERFOUNDATION_DLL plGALResourceFormat
{
  using StorageType = plUInt8;
 
  enum Enum : plUInt8
  {
    Invalid = 0,
 
    RGBAFloat,
    XYZWFloat = RGBAFloat,
    RGBAUInt,
    RGBAInt,
 
    RGBFloat,
    XYZFloat = RGBFloat,
    UVWFloat = RGBFloat,
    RGBUInt,
    RGBInt,
 
    B5G6R5UNormalized,
    BGRAUByteNormalized,
    BGRAUByteNormalizedsRGB,
 
    RGBAHalf,
    XYZWHalf = RGBAHalf,
    RGBAUShort,
    RGBAUShortNormalized,
    RGBAShort,
    RGBAShortNormalized,
 
    RGFloat,
    XYFloat = RGFloat,
    UVFloat = RGFloat,
    RGUInt,
    RGInt,
 
    RGB10A2UInt,
    RGB10A2UIntNormalized,
    RG11B10Float,
 
    RGBAUByteNormalized,
    RGBAUByteNormalizedsRGB,
    RGBAUByte,
    RGBAByteNormalized,
    RGBAByte,
 
    RGHalf,
    XYHalf = RGHalf,
    UVHalf = RGHalf,
    RGUShort,
    RGUShortNormalized,
    RGShort,
    RGShortNormalized,
    RGUByte,
    RGUByteNormalized,
    RGByte,
    RGByteNormalized,
 
    DFloat,
 
    RFloat,
    RUInt,
    RInt,
    RHalf,
    RUShort,
    RUShortNormalized,
    RShort,
    RShortNormalized,
    RUByte,
    RUByteNormalized,
    RByte,
    RByteNormalized,
 
    AUByteNormalized,
 
    D16,
    D24S8,
 
    BC1,
    BC1sRGB,
    BC2,
    BC2sRGB,
    BC3,
    BC3sRGB,
    BC4UNormalized,
    BC4Normalized,
    BC5UNormalized,
    BC5Normalized,
    BC6UFloat,
    BC6Float,
    BC7UNormalized,
    BC7UNormalizedsRGB,
 
    ENUM_COUNT,
 
    Default = RGBAUByteNormalizedsRGB
  };
 
 
  // General format Meta-Informations:
 
  static plUInt32 GetBitsPerElement(plGALResourceFormat::Enum format);
 
  static plUInt8 GetChannelCount(plGALResourceFormat::Enum format);
 
  // Would be very useful for some GL stuff and Testing.
 
  static bool IsDepthFormat(plGALResourceFormat::Enum format);
  static bool IsStencilFormat(plGALResourceFormat::Enum format);
 
  static bool IsSrgb(plGALResourceFormat::Enum format);
 
  static bool IsIntegerFormat(plGALResourceFormat::Enum format);
 
  static bool IsSignedFormat(plGALResourceFormat::Enum format);
 
private:
  static const plUInt8 s_BitsPerElement[plGALResourceFormat::ENUM_COUNT];
 
  static const plUInt8 s_ChannelCount[plGALResourceFormat::ENUM_COUNT];
};
 
template <typename NativeFormatType, NativeFormatType InvalidFormat>
class plGALFormatLookupEntry
{
public:
  inline plGALFormatLookupEntry();
 
  inline plGALFormatLookupEntry(NativeFormatType storage);
 
  inline plGALFormatLookupEntry<NativeFormatType, InvalidFormat>& RT(NativeFormatType renderTargetType);
 
  inline plGALFormatLookupEntry<NativeFormatType, InvalidFormat>& D(NativeFormatType depthOnlyType);
 
  inline plGALFormatLookupEntry<NativeFormatType, InvalidFormat>& S(NativeFormatType stencilOnlyType);
 
  inline plGALFormatLookupEntry<NativeFormatType, InvalidFormat>& DS(NativeFormatType depthStencilType);
 
  inline plGALFormatLookupEntry<NativeFormatType, InvalidFormat>& VA(NativeFormatType vertexAttributeType);
 
  inline plGALFormatLookupEntry<NativeFormatType, InvalidFormat>& RV(NativeFormatType resourceViewType);
 
  NativeFormatType m_eStorage;
  NativeFormatType m_eRenderTarget;
  NativeFormatType m_eDepthOnlyType;
  NativeFormatType m_eStencilOnlyType;
  NativeFormatType m_eDepthStencilType;
  NativeFormatType m_eVertexAttributeType;
  NativeFormatType m_eResourceViewType;
};
 
// Reusable table class to store lookup information (from plGALResourceFormat to the various formats for texture/buffer storage, views)
template <typename FormatClass>
class plGALFormatLookupTable
{
public:
  plGALFormatLookupTable();
 
  PL_ALWAYS_INLINE const FormatClass& GetFormatInfo(plGALResourceFormat::Enum format) const;
 
  PL_ALWAYS_INLINE void SetFormatInfo(plGALResourceFormat::Enum format, const FormatClass& newFormatInfo);
 
private:
  FormatClass m_Formats[plGALResourceFormat::ENUM_COUNT];
};
 
#include <RendererFoundation/Resources/Implementation/ResourceFormats_inl.h>