XMUDEC4 union

A 4D vector with x-,y-, and z- components represented as 10 bit unsigned integer values, and the w-component as a 2 bit unsigned integer value.

For a list of additional functionality such as constructors and operators that are available using XMUDEC4 when you are programming in C++, see XMUDEC4 Extensions.

Syntax

union XMUDEC4 {
  union {
    struct {
      uint32_t x;
      uint32_t y;
      uint32_t z;
      uint32_t w;
    };
    uint32_t v;
  };
};

Members

x

Unsigned integer value in the range [0, 1023] describing the x-coordinate of the vector.

y

Unsigned integer value in the range [0, 1023] describing the y-coordinate of the vector.

z

Unsigned integer value in the range [0, 1023] describing the z-coordinate of the vector.

w

Unsigned integer value in the range [0, 3] describing the w-coordinate of the vector.

v

Unsigned 32-bit integer representing the 4D vector.

Remarks

XMUDEC4 can be loaded into instances of XMVECTOR by using XMLoadUDec4.

Instances of XMVECTOR can be stored into an instance of XMUDEC4 with XMStoreUDec4.

Namespace: Use DirectX::PackedVector

Platform Requirements

Microsoft Visual Studio 2010 or Microsoft Visual Studio 2012 with the Windows SDK for Windows 8. Supported for Win32 desktop apps, Windows Store apps, and Windows Phone 8 apps.

Requirements

See also

DirectXMath Library Structures

XMUDEC4 Extensions