FormatProperties

DirectXTex

These functions return properties about known DXGI formats.

bool HasAlpha(DXGI_FORMAT fmt);

size_t BitsPerPixel(DXGI_FORMAT fmt);

size_t BitsPerColor(DXGI_FORMAT fmt);

size_t BytesPerBlock(DXGI_FORMAT fmt);

FORMAT_TYPE FormatDataType(DXGI_FORMAT fmt);

Parameters

These functions all take a DXGI_FORMAT as their input value.

Return value

Unsupported formats for the given function results in a 0 return value.

The FormatDataType function returns FORMAT_TYPE_FLOAT, FORMAT_TYPE_UNORM, FORMAT_TYPE_SNORM, FORMAT_TYPE_UINT, FORMAT_TYPE_SINT or otherwise FORMAT_TYPE_TYPELESS.