spv.do-simple.vert Linked vertex stage: // Module Version 99 // Generated by (magic number): 51a00bb // Id's are bound by 30 Source ESSL 300 Capability Shader 1: ExtInstImport "GLSL.std.450" MemoryModel Logical GLSL450 EntryPoint Vertex 4 "main" Name 4 "main" Name 9 "i" Name 28 "gl_VertexID" Name 29 "gl_InstanceID" Decorate 28(gl_VertexID) BuiltIn VertexId Decorate 28(gl_VertexID) NoStaticUse Decorate 29(gl_InstanceID) BuiltIn InstanceId Decorate 29(gl_InstanceID) NoStaticUse 2: TypeVoid 3: TypeFunction 2 7: TypeInt 32 1 8: TypePointer Function 7(int) 10: 7(int) Constant 0 15: TypeBool 16: 15(bool) ConstantTrue 20: 7(int) Constant 10 24: 7(int) Constant 1 26: 15(bool) ConstantFalse 27: TypePointer Input 7(int) 28(gl_VertexID): 27(ptr) Variable Input 29(gl_InstanceID): 27(ptr) Variable Input 4(main): 2 Function None 3 5: Label 9(i): 8(ptr) Variable Function Store 9(i) 10 Branch 11 11: Label 14: 15(bool) Phi 16 5 26 13 LoopMerge 12 None Branch 17 17: Label SelectionMerge 13 None BranchConditional 14 13 18 18: Label 19: 7(int) Load 9(i) 21: 15(bool) SLessThan 19 20 SelectionMerge 22 None BranchConditional 21 22 12 22: Label Branch 13 13: Label 23: 7(int) Load 9(i) 25: 7(int) IAdd 23 24 Store 9(i) 25 Branch 11 12: Label Branch 6 6: Label Return FunctionEnd