RWByteAddressBuffer.InterlockedAddF16

Description

Perform a 16-bit floating point atomic add operation at byteAddress.

Signature

void RWByteAddressBuffer.InterlockedAddF16(
    uint byteAddress,
    half value,
    out half originalValue);

Parameters

byteAddress : uint

The address at which to perform the atomic add operation.

value : half

The value to add to the value at byteAddress.

originalValue : half

The original value at byteAddress before the add operation.

Remarks

For SPIR-V, this function maps to OpAtomicFAdd and requires SPV_EXT_shader_atomic_float16_add extension.

For HLSL, this function translates to an NVAPI call due to lack of native HLSL intrinsic for floating point atomic add. For CUDA, this function maps to atomicAdd.