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 99
// Generated by (magic number): 51a00bb
// Id's are bound by 74

                              Source ESSL 310
                              Capability Shader
               1:             ExtInstImport  "GLSL.std.450"
                              MemoryModel Logical GLSL450
                              EntryPoint GLCompute 4  "main"
                              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 38  "origi"
                              Name 40  "atomi"
                              Name 44  "origu"
                              Name 46  "atomu"
                              Name 48  "value"
                              Name 71  "arrX"
                              Name 72  "arrY"
                              Name 73  "arrZ"
                              Decorate 21(counter) Binding 0
                              Decorate 29(countArr) Binding 0
                              Decorate 71(arrX) NoStaticUse
                              Decorate 72(arrY) NoStaticUse
                              Decorate 73(arrZ) NoStaticUse
               2:             TypeVoid
               3:             TypeFunction 2
               6:             TypeInt 32 0
               7:             TypePointer Function 6(int)
               8:             TypeFunction 6(int) 7(ptr)
              15:      6(int) Constant 1
              16:      6(int) Constant 0
              19:      6(int) Constant 256
              20:             TypePointer UniformConstant 6(int)
     21(counter):     20(ptr) Variable UniformConstant
              26:      6(int) Constant 4
              27:             TypeArray 6(int) 26
              28:             TypePointer UniformConstant 27
    29(countArr):     28(ptr) Variable UniformConstant
              30:             TypeInt 32 1
              31:     30(int) Constant 2
              37:             TypePointer Function 30(int)
              39:             TypePointer WorkgroupLocal 30(int)
       40(atomi):     39(ptr) Variable WorkgroupLocal
              42:     30(int) Constant 3
              45:             TypePointer WorkgroupLocal 6(int)
       46(atomu):     45(ptr) Variable WorkgroupLocal
       48(value):     20(ptr) Variable UniformConstant
              52:      6(int) Constant 7
              60:     30(int) Constant 7
              66:      6(int) Constant 10
              69:             TypeArray 30(int) 15
              70:             TypePointer PrivateGlobal 69
        71(arrX):     70(ptr) Variable PrivateGlobal
        72(arrY):     70(ptr) Variable PrivateGlobal
        73(arrZ):     70(ptr) Variable PrivateGlobal
         4(main):           2 Function None 3
               5:             Label
       22(param):      7(ptr) Variable Function
         25(val):      7(ptr) Variable Function
                              MemoryBarrier 15 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) Load 32
              34:      6(int) AtomicLoad 33 15 16
                              Store 25(val) 34
              35:      6(int) Load 21(counter)
              36:      6(int) AtomicIDecrement 35 15 16
                              Return
                              FunctionEnd
   10(func(au1;):      6(int) Function None 8
            9(c):      7(ptr) FunctionParameter
              11:             Label
              14:      6(int) Load 9(c)
              17:      6(int) AtomicIIncrement 14 15 16
                              ReturnValue 17
                              FunctionEnd
      12(atoms():           2 Function None 3
              13:             Label
       38(origi):     37(ptr) Variable Function
       44(origu):      7(ptr) Variable Function
              41:     30(int) Load 40(atomi)
              43:     30(int) AtomicIAdd 41 15 16 42
                              Store 38(origi) 43
              47:      6(int) Load 46(atomu)
              49:      6(int) Load 48(value)
              50:      6(int) AtomicAnd 47 15 16 49
                              Store 44(origu) 50
              51:      6(int) Load 46(atomu)
              53:      6(int) AtomicOr 51 15 16 52
                              Store 44(origu) 53
              54:      6(int) Load 46(atomu)
              55:      6(int) AtomicXor 54 15 16 52
                              Store 44(origu) 55
              56:      6(int) Load 46(atomu)
              57:      6(int) Load 48(value)
              58:      6(int) AtomicSMin 56 15 16 57
                              Store 44(origu) 58
              59:     30(int) Load 40(atomi)
              61:     30(int) AtomicSMax 59 15 16 60
                              Store 38(origi) 61
              62:     30(int) Load 40(atomi)
              63:     30(int) Load 38(origi)
              64:     30(int) AtomicExchange 62 15 16 63
                              Store 38(origi) 64
              65:      6(int) Load 46(atomu)
              67:      6(int) Load 48(value)
              68:      6(int) AtomicCompareExchange 65 15 16 16 67 66
                              Store 44(origu) 68
                              Return
                              FunctionEnd