[require] shader model >= 5.0 [pixel shader] struct apple { float2 a; Texture2D tex; sampler sam; float b; }; uniform apple ap; float4 main() : sv_target { return float4(ap.a, ap.b, 0); } [test] uniform 0 float4 1.0 2.0 3.0 4.0 uniform 4 float4 5.0 6.0 7.0 8.0 draw quad todo probe all rgba (1.0, 2.0, 3.0, 0.0) [pixel shader] struct apple { Texture2D tex; sampler sam; }; struct banana { float2 a; apple ap; float b; }; uniform banana ba; float4 main() : sv_target { return float4(ba.a, ba.b, 0); } [test] uniform 0 float4 1.0 2.0 3.0 4.0 uniform 4 float4 5.0 6.0 7.0 8.0 draw quad probe all rgba (1.0, 2.0, 5.0, 0.0) [pixel shader] struct apple { float2 a; Texture2D tex[2]; float b; }; uniform apple ap; float4 main() : sv_target { return float4(ap.a, ap.b, 0); } [test] uniform 0 float4 1.0 2.0 3.0 4.0 uniform 4 float4 5.0 6.0 7.0 8.0 draw quad probe all rgba (1.0, 2.0, 5.0, 0.0)