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SPV: Change barrier emission to conform to Khronos decisions.

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The memory model group agreed to these definitions for how
to map GLSL barrier, memoryBarrier, etc. With HLSL following suit.
This commit is contained in:
John Kessenich 2017-12-11 04:02:24 -07:00
parent 070aaeafcd
commit 8297936dd6
19 changed files with 600 additions and 520 deletions
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46
Test/baseResults/spv.barrier.vert.out Executable file
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spv.barrier.vert
// Module Version 10000
// Generated by (magic number): 80002
// Id's are bound by 24
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Vertex 4 "main" 9 15
Source GLSL 450
Name 4 "main"
Name 9 "c0"
Name 15 "c1"
Decorate 9(c0) Location 0
Decorate 15(c1) Location 1
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypePointer Output 7(fvec4)
9(c0): 8(ptr) Variable Output
10: 6(float) Constant 1065353216
11: 7(fvec4) ConstantComposite 10 10 10 10
12: TypeInt 32 0
13: 12(int) Constant 1
14: 12(int) Constant 4040
15(c1): 8(ptr) Variable Output
16: 12(int) Constant 72
20: 12(int) Constant 2056
4(main): 2 Function None 3
5: Label
Store 9(c0) 11
MemoryBarrier 13 14
Store 15(c1) 11
MemoryBarrier 13 16
17: 7(fvec4) Load 9(c0)
18: 7(fvec4) CompositeConstruct 10 10 10 10
19: 7(fvec4) FAdd 17 18
Store 9(c0) 19
MemoryBarrier 13 20
21: 7(fvec4) Load 9(c0)
22: 7(fvec4) CompositeConstruct 10 10 10 10
23: 7(fvec4) FAdd 21 22
Store 9(c0) 23
Return
FunctionEnd