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4 FormatProperties
Chuck Walbourn edited this page 2024-10-28 14:21:52 -07:00
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.