--- layout: stdlib-reference --- # QuadReadAcrossX ## Description ## Signature

T QuadReadAcrossX<T>(T localValue)
    where T : __BuiltinType;

vector<T, N> QuadReadAcrossX<T, N:int>(vector<T, N> localValue)
    where T : __BuiltinType;

matrix<T, N, M> QuadReadAcrossX<T, N:int, M:int>(matrix<T, N, M> localValue)
    where T : __BuiltinType;

## Generic Parameters #### T: \_\_BuiltinType #### N : int #### M : int ## Parameters #### localValue : [T](quadreadacrossx-048e.html#typeparam-T) #### localValue : [vector](../types/vector/index.html)\<[T](../types/vector/index.html#typeparam-T), [N](../types/vector/index.html#decl-N)\> #### localValue : [matrix](../types/matrix/index.html)\<[T](../types/matrix/t-0.html), [N](../types/matrix/index.html#decl-N), [M](../types/matrix/index.html#decl-M)\> ## Availability and Requirements Defined for the following targets: #### hlsl Available in all stages. #### glsl Available in all stages. #### metal Available in all stages. #### wgsl Available in all stages. #### spirv Available in all stages. Requires capability: `spvGroupNonUniformQuad`.