[pixel shader] uniform float4 f; float4 main() : sv_target { return exp2(f); } [test] uniform 0 float4 -1.0 0.0 1.0 2.0 todo(sm>=6) draw quad probe all rgba (0.5, 1.0, 2.0, 4.0) 2 [pixel shader] uniform float4 f; float4 main() : sv_target { return exp(f); } [test] uniform 0 float4 -1.0 0.0 1.0 2.0 todo(sm>=6) draw quad probe all rgba (0.36787948, 1.0, 2.7182815, 7.38905573) 2