dot4add_u8packed¶

Description¶

Treats x and y as 4-component vectors of UInt8 and computes dot(x, y)+acc

Signature¶

uint dot4add_u8packed(
    uint x,
    uint y,
    uint acc);

Parameters¶

x : uint¶

y : uint¶

acc : uint¶

Availability and Requirements¶

Defined for the following targets:

hlsl¶

Available in all stages.

glsl¶

Available in all stages.

cpp¶

Available in all stages.

cuda¶

Available in all stages.

metal¶

Available in all stages.

wgsl¶

Available in all stages.

spirv¶

Available in all stages.

Requires capabilities: SPV_KHR_non_semantic_info, SPV_GOOGLE_user_type, spvDerivativeControl, spvImageQuery, spvImageGatherExtended, spvSparseResidency, spvMinLod, spvFragmentBarycentricKHR, spvFragmentFullyCoveredEXT, spvGroupNonUniform, spvGroupNonUniformBallot, spvGroupNonUniformShuffle, spvGroupNonUniformArithmetic, spvGroupNonUniformQuad, spvGroupNonUniformVote, spvRayTracingPositionFetchKHR, spvShaderNonUniformEXT.

llvm¶

Available in all stages.