SPIRV-Guide/chapters/examples/access_chains/example_physical.spvasm at main · KhronosGroup/SPIRV-Guide · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
; SPIR-V
; Version: 1.5
; Generator: Khronos Glslang Reference Front End; 10
; Bound: 29
; Schema: 0
               OpCapability Shader
               OpCapability PhysicalStorageBufferAddresses
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel PhysicalStorageBuffer64 GLSL450
               OpEntryPoint GLCompute %main "main" %_
               OpExecutionMode %main LocalSize 1 1 1
               OpSource GLSL 450
               OpSourceExtension "GL_EXT_buffer_reference"
               OpName %main "main"
               OpName %rootBlock "rootBlock"
               OpMemberName %rootBlock 0 "result"
               OpMemberName %rootBlock 1 "root"
               OpName %blockType "blockType"
               OpMemberName %blockType 0 "x"
               OpMemberName %blockType 1 "next"
               OpName %_ ""
               OpMemberDecorate %rootBlock 0 Offset 0
               OpMemberDecorate %rootBlock 1 Offset 8
               OpDecorate %rootBlock Block
               OpMemberDecorate %blockType 0 Offset 0
               OpMemberDecorate %blockType 1 Offset 8
               OpDecorate %blockType Block
               OpDecorate %_ DescriptorSet 0
               OpDecorate %_ Binding 0
       %void = OpTypeVoid
          %3 = OpTypeFunction %void
        %int = OpTypeInt 32 1
               OpTypeForwardPointer %_ptr_PhysicalStorageBuffer_blockType PhysicalStorageBuffer
  %rootBlock = OpTypeStruct %int %_ptr_PhysicalStorageBuffer_blockType
  %blockType = OpTypeStruct %int %_ptr_PhysicalStorageBuffer_blockType
%_ptr_PhysicalStorageBuffer_blockType = OpTypePointer PhysicalStorageBuffer %blockType
%_ptr_StorageBuffer_rootBlock = OpTypePointer StorageBuffer %rootBlock
          %_ = OpVariable %_ptr_StorageBuffer_rootBlock StorageBuffer
      %int_0 = OpConstant %int 0
      %int_1 = OpConstant %int 1
%_ptr_StorageBuffer__ptr_PhysicalStorageBuffer_blockType = OpTypePointer StorageBuffer %_ptr_PhysicalStorageBuffer_blockType
%_ptr_PhysicalStorageBuffer__ptr_PhysicalStorageBuffer_blockType = OpTypePointer PhysicalStorageBuffer %_ptr_PhysicalStorageBuffer_blockType
%_ptr_PhysicalStorageBuffer_int = OpTypePointer PhysicalStorageBuffer %int
%_ptr_StorageBuffer_int = OpTypePointer StorageBuffer %int
       %main = OpFunction %void None %3
          %5 = OpLabel
         %15 = OpAccessChain %_ptr_StorageBuffer__ptr_PhysicalStorageBuffer_blockType %_ %int_1
         %16 = OpLoad %_ptr_PhysicalStorageBuffer_blockType %15
         %18 = OpAccessChain %_ptr_PhysicalStorageBuffer__ptr_PhysicalStorageBuffer_blockType %16 %int_1
         %19 = OpLoad %_ptr_PhysicalStorageBuffer_blockType %18 Aligned 8
         %20 = OpAccessChain %_ptr_PhysicalStorageBuffer__ptr_PhysicalStorageBuffer_blockType %19 %int_1
         %21 = OpLoad %_ptr_PhysicalStorageBuffer_blockType %20 Aligned 8
         %22 = OpAccessChain %_ptr_PhysicalStorageBuffer__ptr_PhysicalStorageBuffer_blockType %21 %int_1
         %23 = OpLoad %_ptr_PhysicalStorageBuffer_blockType %22 Aligned 8
         %25 = OpAccessChain %_ptr_PhysicalStorageBuffer_int %23 %int_0
         %26 = OpLoad %int %25 Aligned 16
         %28 = OpAccessChain %_ptr_StorageBuffer_int %_ %int_0
               OpStore %28 %26
               OpReturn
               OpFunctionEnd