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XII Release 0.1.0
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XII Release 0.1.0
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This describes the invariant texture format attributes. These attributes are intrinsic to the texture format itself and do not depend on the format support. More...
#include <Descriptors.h>
Public Member Functions | |
| XII_DECLARE_POD_TYPE () | |
| XII_ALWAYS_INLINE bool | IsCompressed () const |
| Returns true if the format is block-compressed (BC, ETC, ASTC, etc.). | |
| XII_ALWAYS_INLINE xiiUInt32 | GetElementSize () const |
| Returns the number of bytes per texel (non-compressed) or per block (compressed). | |
| XII_ALWAYS_INLINE xiiUInt32 | GetBitsPerPixel () const |
| Returns the number of bits per texel (non-compressed) or per block (compressed). | |
| XII_ALWAYS_INLINE xiiUInt32 | GetBlockWidth () const |
| Returns the width of a compression block (4 for BC formats). | |
| XII_ALWAYS_INLINE xiiUInt32 | GetBlockHeight () const |
| Returns the height of a compression block (4 for BC formats). | |
| XII_ALWAYS_INLINE xiiUInt32 | GetBlockCountX (xiiUInt32 uiWidth) const |
| Returns how many blocks are needed horizontally for a given width. | |
| XII_ALWAYS_INLINE xiiUInt32 | GetBlockCountY (xiiUInt32 uiHeight) const |
| Returns how many blocks are needed vertically for a given height. | |
| XII_ALWAYS_INLINE xiiUInt32 | GetRowPitch (xiiUInt32 uiWidth) const |
| Returns the number of bytes in one row of texels or blocks. | |
| XII_ALWAYS_INLINE xiiUInt64 | GetSlicePitch (xiiUInt32 uiWidth, xiiUInt32 uiHeight) const |
| Returns the number of bytes in one 2D slice (height * rowPitch). | |
| XII_ALWAYS_INLINE xiiUInt32 | GetTexelsPerBlock () const |
| Returns the number of texels per block (16 for BC1–BC5). | |
| XII_ALWAYS_INLINE bool | IsTypeless () const |
| Returns true if the format is typeless. | |
| XII_ALWAYS_INLINE bool | IsNormalized () const |
| Returns true if the format is UNorm or SNorm. | |
| Public Member Functions inherited from xiiHashableStruct< xiiGALResourceFormatDescription > | |
| constexpr | xiiHashableStruct () noexcept |
| Default constructor. Initializes all bytes to zero. | |
| xiiHashableStruct & | operator= (const xiiHashableStruct &other) noexcept |
| Bitwise assignment operator. | |
| bool | operator== (const xiiHashableStruct &other) const noexcept |
| Compares equality via raw byte comparison. | |
| std::strong_ordering | operator<=> (const xiiHashableStruct &other) const noexcept |
| Compares ordering via raw byte comparison. | |
| xiiUInt32 | CalculateHash () const noexcept |
| Calculates a 32-bit hash from raw bytes of the struct. | |
| void | Clear () noexcept |
| Fills all bytes with zero. | |
| bool | IsZero () const noexcept |
| Returns true if all bytes are zero. | |
Public Attributes | |
| xiiEnum< xiiGALResourceFormat > | m_Format = xiiGALResourceFormat::Unknown |
| Texture format. | |
| xiiUInt8 | m_uiComponentSize = 0U |
| The size of one component in bytes. | |
| xiiUInt8 | m_uiComponentCount = 0U |
| The number of components. | |
| xiiEnum< xiiGALResourceFormatComponentType > | m_ComponentType = xiiGALResourceFormatComponentType::Undefined |
| The component type. | |
| bool | m_bIsTypeless = false |
| Indicates whether the format is a typeless format. | |
| xiiUInt8 | m_uiBlockWidth = 0U |
| For block-compressed formats, the compression block width. | |
| xiiUInt8 | m_uiBlockHeight = 0U |
| For block-compressed formats, the compression block height. | |
This describes the invariant texture format attributes. These attributes are intrinsic to the texture format itself and do not depend on the format support.
1.15.0