spv.atomic.comp
Warning, version 310 is not yet complete; most version-specific features are present, but some are missing.


Linked compute stage:


TBD functionality: Is atomic_uint an opaque handle in the uniform storage class, or an addresses in the atomic storage class?
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 75

                              Capability Shader
               1:             ExtInstImport  "GLSL.std.450"
                              MemoryModel Logical GLSL450
                              EntryPoint GLCompute 4  "main"
                              ExecutionMode 4 LocalSize 1 1 1
                              Source ESSL 310
                              Name 4  "main"
                              Name 10  "func(au1;"
                              Name 9  "c"
                              Name 12  "atoms("
                              Name 21  "counter"
                              Name 22  "param"
                              Name 25  "val"
                              Name 29  "countArr"
                              Name 36  "origi"
                              Name 38  "atomi"
                              Name 41  "origu"
                              Name 43  "atomu"
                              Name 45  "value"
                              Name 62  "dataSSB"
                              MemberName 62(dataSSB) 0  "f"
                              MemberName 62(dataSSB) 1  "n_frames_rendered"
                              Name 64  "result"
                              Name 72  "arrX"
                              Name 73  "arrY"
                              Name 74  "arrZ"
                              Decorate 21(counter) Binding 0
                              Decorate 29(countArr) Binding 0
                              MemberDecorate 62(dataSSB) 0 Offset 0
                              MemberDecorate 62(dataSSB) 1 Offset 16
                              Decorate 62(dataSSB) BufferBlock
                              Decorate 64(result) Binding 0
               2:             TypeVoid
               3:             TypeFunction 2
               6:             TypeInt 32 0
               7:             TypePointer Function 6(int)
               8:             TypeFunction 6(int) 7(ptr)
              14:      6(int) Constant 1
              15:      6(int) Constant 0
              19:      6(int) Constant 1024
              20:             TypePointer AtomicCounter 6(int)
     21(counter):     20(ptr) Variable AtomicCounter
              26:      6(int) Constant 4
              27:             TypeArray 6(int) 26
              28:             TypePointer AtomicCounter 27
    29(countArr):     28(ptr) Variable AtomicCounter
              30:             TypeInt 32 1
              31:     30(int) Constant 2
              35:             TypePointer Function 30(int)
              37:             TypePointer Workgroup 30(int)
       38(atomi):     37(ptr) Variable Workgroup
              39:     30(int) Constant 3
              42:             TypePointer Workgroup 6(int)
       43(atomu):     42(ptr) Variable Workgroup
              44:             TypePointer UniformConstant 6(int)
       45(value):     44(ptr) Variable UniformConstant
              48:      6(int) Constant 7
              53:     30(int) Constant 7
              57:      6(int) Constant 10
              60:             TypeFloat 32
              61:             TypeVector 30(int) 4
     62(dataSSB):             TypeStruct 60(float) 61(ivec4)
              63:             TypePointer Uniform 62(dataSSB)
      64(result):     63(ptr) Variable Uniform
              65:     30(int) Constant 1
              66:      6(int) Constant 2
              67:             TypePointer Uniform 30(int)
              70:             TypeArray 30(int) 14
              71:             TypePointer Private 70
        72(arrX):     71(ptr) Variable Private
        73(arrY):     71(ptr) Variable Private
        74(arrZ):     71(ptr) Variable Private
         4(main):           2 Function None 3
               5:             Label
       22(param):      7(ptr) Variable Function
         25(val):      7(ptr) Variable Function
                              MemoryBarrier 14 19
              23:      6(int) Load 21(counter)
                              Store 22(param) 23
              24:      6(int) FunctionCall 10(func(au1;) 22(param)
              32:     20(ptr) AccessChain 29(countArr) 31
              33:      6(int) AtomicLoad 32 14 15
                              Store 25(val) 33
              34:      6(int) AtomicIDecrement 21(counter) 14 15
                              Return
                              FunctionEnd
   10(func(au1;):      6(int) Function None 8
            9(c):      7(ptr) FunctionParameter
              11:             Label
              16:      6(int) AtomicIIncrement 9(c) 14 15
                              ReturnValue 16
                              FunctionEnd
      12(atoms():           2 Function None 3
              13:             Label
       36(origi):     35(ptr) Variable Function
       41(origu):      7(ptr) Variable Function
              40:     30(int) AtomicIAdd 38(atomi) 14 15 39
                              Store 36(origi) 40
              46:      6(int) Load 45(value)
              47:      6(int) AtomicAnd 43(atomu) 14 15 46
                              Store 41(origu) 47
              49:      6(int) AtomicOr 43(atomu) 14 15 48
                              Store 41(origu) 49
              50:      6(int) AtomicXor 43(atomu) 14 15 48
                              Store 41(origu) 50
              51:      6(int) Load 45(value)
              52:      6(int) AtomicUMin 43(atomu) 14 15 51
                              Store 41(origu) 52
              54:     30(int) AtomicSMax 38(atomi) 14 15 53
                              Store 36(origi) 54
              55:     30(int) Load 36(origi)
              56:     30(int) AtomicExchange 38(atomi) 14 15 55
                              Store 36(origi) 56
              58:      6(int) Load 45(value)
              59:      6(int) AtomicCompareExchange 43(atomu) 14 15 15 58 57
                              Store 41(origu) 59
              68:     67(ptr) AccessChain 64(result) 65 66
              69:     30(int) AtomicIAdd 68 14 15 65
                              Return
                              FunctionEnd