Enum TextureFormat 

pub enum TextureFormat {
    Rgba8,
    Bc1,
    Bc3,
    Bc5,
    Bc7,
}

GPU pixel format of a compiled texture payload. RGBA8 is the uncompressed path (runtime mip generation); the rest are block-compressed formats uploaded with their container mip chains.

Variants

Rgba8

Uncompressed 8-bit RGBA; mips are generated at upload.

Bc1

BC1 block compression.

Bc3

BC3 block compression.

Bc5

BC5 block compression, for normal maps.

Bc7

BC7 block compression.

Implementations

impl TextureFormat

pub fn id(self) -> u32

Stable on-disk identifier written into the payload header.

pub fn block_bytes(self) -> Option<usize>

Bytes per 4x4 block for a compressed format. None for RGBA8, which is sized per pixel rather than per block.

pub fn mip_byte_len(self, width: u32, height: u32) -> Result<usize, String>

Byte length one mip of width x height occupies in this format. Dimensions are read out of the file being decoded, so a footprint that overflows usize is reported rather than wrapped into a small length that would pass the caller’s bounds check.

Trait Implementations

impl Clone for TextureFormat

fn clone(&self) -> TextureFormat

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for TextureFormat

impl Debug for TextureFormat

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for TextureFormat

impl PartialEq for TextureFormat

fn eq(&self, other: &TextureFormat) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for TextureFormat