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Merge pull request #682 from steve-lunarg/split-copy-fix

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HLSL: fix dereferencing when copying split structures with arrays
This commit is contained in:
John Kessenich 2017-01-19 16:56:06 -07:00 committed by GitHub
commit 22f25d80c6
4 changed files with 213 additions and 5 deletions
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196
Test/baseResults/hlsl.struct.split.assign.frag.out Normal file
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@ -0,0 +1,196 @@
hlsl.struct.split.assign.frag
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:7 Function Definition: main(i1;struct-S-f1-vf41[3]; (temp 4-component vector of float)
0:7 Function Parameters:
0:7 'i' (layout(location=0 ) in int)
0:7 'input' (in 3-element array of structure{temp float f, temp 4-component vector of float FragCoord pos})
0:? Sequence
0:9 Sequence
0:9 move second child to first child (temp float)
0:9 f: direct index for structure (temp float)
0:9 direct index (layout(location=1 ) in structure{temp float f})
0:9 'input' (layout(location=1 ) in 3-element array of structure{temp float f})
0:9 Constant:
0:9 0 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 f: direct index for structure (temp float)
0:9 direct index (temp structure{temp float f, temp 4-component vector of float pos})
0:9 'a' (temp 3-element array of structure{temp float f, temp 4-component vector of float pos})
0:9 Constant:
0:9 0 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 move second child to first child (temp float)
0:9 f: direct index for structure (temp float)
0:9 direct index (layout(location=1 ) in structure{temp float f})
0:9 'input' (layout(location=1 ) in 3-element array of structure{temp float f})
0:9 Constant:
0:9 1 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 f: direct index for structure (temp float)
0:9 direct index (temp structure{temp float f, temp 4-component vector of float pos})
0:9 'a' (temp 3-element array of structure{temp float f, temp 4-component vector of float pos})
0:9 Constant:
0:9 1 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 move second child to first child (temp float)
0:9 f: direct index for structure (temp float)
0:9 direct index (layout(location=1 ) in structure{temp float f})
0:9 'input' (layout(location=1 ) in 3-element array of structure{temp float f})
0:9 Constant:
0:9 2 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 f: direct index for structure (temp float)
0:9 direct index (temp structure{temp float f, temp 4-component vector of float pos})
0:9 'a' (temp 3-element array of structure{temp float f, temp 4-component vector of float pos})
0:9 Constant:
0:9 2 (const int)
0:9 Constant:
0:9 0 (const int)
0:11 Sequence
0:11 Branch: Return
0:? Linker Objects
0:? '@entryPointOutput' (layout(location=0 ) out 4-component vector of float)
0:? 'i' (layout(location=0 ) in int)
0:? 'input' (layout(location=1 ) in 3-element array of structure{temp float f})
0:? 'input_pos' (in 3-element array of 4-component vector of float FragCoord)
Linked fragment stage:
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:7 Function Definition: main(i1;struct-S-f1-vf41[3]; (temp 4-component vector of float)
0:7 Function Parameters:
0:7 'i' (layout(location=0 ) in int)
0:7 'input' (in 3-element array of structure{temp float f, temp 4-component vector of float FragCoord pos})
0:? Sequence
0:9 Sequence
0:9 move second child to first child (temp float)
0:9 f: direct index for structure (temp float)
0:9 direct index (layout(location=1 ) in structure{temp float f})
0:9 'input' (layout(location=1 ) in 3-element array of structure{temp float f})
0:9 Constant:
0:9 0 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 f: direct index for structure (temp float)
0:9 direct index (temp structure{temp float f, temp 4-component vector of float pos})
0:9 'a' (temp 3-element array of structure{temp float f, temp 4-component vector of float pos})
0:9 Constant:
0:9 0 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 move second child to first child (temp float)
0:9 f: direct index for structure (temp float)
0:9 direct index (layout(location=1 ) in structure{temp float f})
0:9 'input' (layout(location=1 ) in 3-element array of structure{temp float f})
0:9 Constant:
0:9 1 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 f: direct index for structure (temp float)
0:9 direct index (temp structure{temp float f, temp 4-component vector of float pos})
0:9 'a' (temp 3-element array of structure{temp float f, temp 4-component vector of float pos})
0:9 Constant:
0:9 1 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 move second child to first child (temp float)
0:9 f: direct index for structure (temp float)
0:9 direct index (layout(location=1 ) in structure{temp float f})
0:9 'input' (layout(location=1 ) in 3-element array of structure{temp float f})
0:9 Constant:
0:9 2 (const int)
0:9 Constant:
0:9 0 (const int)
0:9 f: direct index for structure (temp float)
0:9 direct index (temp structure{temp float f, temp 4-component vector of float pos})
0:9 'a' (temp 3-element array of structure{temp float f, temp 4-component vector of float pos})
0:9 Constant:
0:9 2 (const int)
0:9 Constant:
0:9 0 (const int)
0:11 Sequence
0:11 Branch: Return
0:? Linker Objects
0:? '@entryPointOutput' (layout(location=0 ) out 4-component vector of float)
0:? 'i' (layout(location=0 ) in int)
0:? 'input' (layout(location=1 ) in 3-element array of structure{temp float f})
0:? 'input_pos' (in 3-element array of 4-component vector of float FragCoord)
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 41
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 12 35 37 40
ExecutionMode 4 OriginUpperLeft
Name 4 "main"
Name 7 "S"
MemberName 7(S) 0 "f"
Name 12 "input"
Name 16 "S"
MemberName 16(S) 0 "f"
MemberName 16(S) 1 "pos"
Name 19 "a"
Name 35 "@entryPointOutput"
Name 37 "i"
Name 40 "input_pos"
Decorate 12(input) Location 1
Decorate 35(@entryPointOutput) Location 0
Decorate 37(i) Location 0
Decorate 40(input_pos) BuiltIn FragCoord
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7(S): TypeStruct 6(float)
8: TypeInt 32 0
9: 8(int) Constant 3
10: TypeArray 7(S) 9
11: TypePointer Input 10
12(input): 11(ptr) Variable Input
13: TypeInt 32 1
14: 13(int) Constant 0
15: TypeVector 6(float) 4
16(S): TypeStruct 6(float) 15(fvec4)
17: TypeArray 16(S) 9
18: TypePointer Function 17
20: TypePointer Function 6(float)
23: TypePointer Input 6(float)
25: 13(int) Constant 1
29: 13(int) Constant 2
34: TypePointer Output 15(fvec4)
35(@entryPointOutput): 34(ptr) Variable Output
36: TypePointer Input 13(int)
37(i): 36(ptr) Variable Input
38: TypeArray 15(fvec4) 9
39: TypePointer Input 38
40(input_pos): 39(ptr) Variable Input
4(main): 2 Function None 3
5: Label
19(a): 18(ptr) Variable Function
21: 20(ptr) AccessChain 19(a) 14 14
22: 6(float) Load 21
24: 23(ptr) AccessChain 12(input) 14 14
Store 24 22
26: 20(ptr) AccessChain 19(a) 25 14
27: 6(float) Load 26
28: 23(ptr) AccessChain 12(input) 25 14
Store 28 27
30: 20(ptr) AccessChain 19(a) 29 14
31: 6(float) Load 30
32: 23(ptr) AccessChain 12(input) 29 14
Store 32 31
Return
FunctionEnd

12
Test/hlsl.struct.split.assign.frag Normal file
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@ -0,0 +1,12 @@
struct S {
float f;
float4 pos : SV_Position;
};
float4 main(int i, S input[3]) : COLOR0
{
S a[3];
input = a;
return float3(1.0);
}

1
gtests/Hlsl.FromFile.cpp
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@ -211,6 +211,7 @@ INSTANTIATE_TEST_CASE_P(
{"hlsl.string.frag", "main"},
{"hlsl.struct.split-1.vert", "main"},
{"hlsl.struct.split.array.geom", "main"},
{"hlsl.struct.split.assign.frag", "main"},
{"hlsl.struct.split.call.vert", "main"},
{"hlsl.struct.split.nested.geom", "main"},
{"hlsl.struct.split.trivial.geom", "main"},

9
hlsl/hlslParseHelper.cpp
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@ -1840,10 +1840,6 @@ TIntermTyped* HlslParseContext::handleAssign(const TSourceLoc& loc, TOperator op
// If the RHS is a simple symbol node, we'll copy it for each member.
TIntermSymbol* cloneSymNode = nullptr;
// Array structs are not yet handled in flattening. (Compilation error upstream, so
// this should never fire).
assert(!(left->getType().isStruct() && left->getType().isArray()));
int memberCount = 0;
// Track how many items there are to copy.
@ -1934,10 +1930,13 @@ TIntermTyped* HlslParseContext::handleAssign(const TSourceLoc& loc, TOperator op
TIntermTyped* subLeft = getMember(true, left, element, left, element);
TIntermTyped* subRight = getMember(false, right, element, right, element);
TIntermTyped* subSplitLeft = isSplitLeft ? getMember(true, left, element, splitLeft, element) : subLeft;
TIntermTyped* subSplitRight = isSplitRight ? getMember(false, right, element, splitRight, element) : subRight;
if (isFinalFlattening(dereferencedType))
assignList = intermediate.growAggregate(assignList, intermediate.addAssign(op, subLeft, subRight, loc), loc);
else
traverse(subLeft, subRight, splitLeft, splitRight);
traverse(subLeft, subRight, subSplitLeft, subSplitRight);
}
} else if (left->getType().isStruct()) {
// struct case