↓ 3 callersFunctionffxParabolicSinHalfAn approximation of sine. Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range is {-1/4 to 1/4} representing {-1 to 1}. @pa
src/common/FidelityFX/include/gpu/ffx_core_gpu_common_half.h:1761