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Link/SPV: Correct symbol IDs on merging ASTs to a single coherent space

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This is one step in providing full linker functionality for creating
correct SPIR-V from multiple compilation units for the same stage.
(This was the only remaining "hard" part. The rest should be simple.)
This commit is contained in:
John Kessenich 2018-07-13 10:40:40 -06:00
parent e7f9caeac4
commit 41436ad204
9 changed files with 481 additions and 56 deletions
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95
Test/baseResults/link1.vk.frag.out
View File

@ -198,7 +198,7 @@ gl_FragCoord origin is upper left
// Module Version 10000 // Module Version 10000
// Generated by (magic number): 80007 // Generated by (magic number): 80007
// Id's are bound by 71 // Id's are bound by 70
Capability Shader Capability Shader
1: ExtInstImport "GLSL.std.450" 1: ExtInstImport "GLSL.std.450"
@ -214,24 +214,24 @@ gl_FragCoord origin is upper left
Name 32 "b" Name 32 "b"
Name 33 "i" Name 33 "i"
Name 39 "c" Name 39 "c"
Name 54 "s2D" Name 53 "s2D"
Name 63 "bnameRuntime" Name 62 "bnameRuntime"
MemberName 63(bnameRuntime) 0 "r" MemberName 62(bnameRuntime) 0 "r"
Name 65 "" Name 64 ""
Name 68 "bnameImplicit" Name 67 "bnameImplicit"
MemberName 68(bnameImplicit) 0 "m" MemberName 67(bnameImplicit) 0 "m"
Name 70 "" Name 69 ""
Decorate 12(color) Location 0 Decorate 12(color) Location 0
Decorate 54(s2D) DescriptorSet 0 Decorate 53(s2D) DescriptorSet 0
Decorate 54(s2D) Binding 1 Decorate 53(s2D) Binding 1
Decorate 62 ArrayStride 4 Decorate 61 ArrayStride 4
MemberDecorate 63(bnameRuntime) 0 Offset 0 MemberDecorate 62(bnameRuntime) 0 Offset 0
Decorate 63(bnameRuntime) BufferBlock Decorate 62(bnameRuntime) BufferBlock
Decorate 65 DescriptorSet 0 Decorate 64 DescriptorSet 0
Decorate 67 ArrayStride 4 Decorate 66 ArrayStride 4
MemberDecorate 68(bnameImplicit) 0 Offset 0 MemberDecorate 67(bnameImplicit) 0 Offset 0
Decorate 68(bnameImplicit) BufferBlock Decorate 67(bnameImplicit) BufferBlock
Decorate 70 DescriptorSet 0 Decorate 69 DescriptorSet 0
2: TypeVoid 2: TypeVoid
3: TypeFunction 2 3: TypeFunction 2
6: TypeFloat 32 6: TypeFloat 32
@ -263,24 +263,23 @@ gl_FragCoord origin is upper left
39(c): 38(ptr) Variable Private 39(c): 38(ptr) Variable Private
40: 14(int) Constant 3 40: 14(int) Constant 3
42: 14(int) Constant 2 42: 14(int) Constant 2
43: TypePointer Output 6(float) 44: 14(int) Constant 9
45: 14(int) Constant 9 50: TypeImage 6(float) 2D sampled format:Unknown
51: TypeImage 6(float) 2D sampled format:Unknown 51: TypeSampledImage 50
52: TypeSampledImage 51 52: TypePointer UniformConstant 51
53: TypePointer UniformConstant 52 53(s2D): 52(ptr) Variable UniformConstant
54(s2D): 53(ptr) Variable UniformConstant 55: TypeVector 6(float) 2
56: TypeVector 6(float) 2 56: 6(float) Constant 1056964608
57: 6(float) Constant 1056964608 57: 55(fvec2) ConstantComposite 56 56
58: 56(fvec2) ConstantComposite 57 57 61: TypeRuntimeArray 6(float)
62: TypeRuntimeArray 6(float) 62(bnameRuntime): TypeStruct 61
63(bnameRuntime): TypeStruct 62 63: TypePointer Uniform 62(bnameRuntime)
64: TypePointer Uniform 63(bnameRuntime) 64: 63(ptr) Variable Uniform
65: 64(ptr) Variable Uniform 65: 15(int) Constant 4
66: 15(int) Constant 4 66: TypeArray 6(float) 65
67: TypeArray 6(float) 66 67(bnameImplicit): TypeStruct 66
68(bnameImplicit): TypeStruct 67 68: TypePointer Uniform 67(bnameImplicit)
69: TypePointer Uniform 68(bnameImplicit) 69: 68(ptr) Variable Uniform
70: 69(ptr) Variable Uniform
4(main): 2 Function None 3 4(main): 2 Function None 3
5: Label 5: Label
13: 7(fvec4) FunctionCall 9(getColor() 13: 7(fvec4) FunctionCall 9(getColor()
@ -298,18 +297,18 @@ gl_FragCoord origin is upper left
FunctionEnd FunctionEnd
9(getColor(): 7(fvec4) Function None 8 9(getColor(): 7(fvec4) Function None 8
10: Label 10: Label
44: 43(ptr) AccessChain 12(color) 42 43: 22(ptr) AccessChain 19(a1) 42
Store 44 21 Store 43 21
46: 22(ptr) AccessChain 19(a1) 45 45: 22(ptr) AccessChain 27(a2) 44
Store 45 21
46: 22(ptr) AccessChain 32(b) 42
Store 46 21 Store 46 21
47: 22(ptr) AccessChain 27(a2) 42 47: 22(ptr) AccessChain 39(c) 40
Store 47 21 Store 47 21
48: 22(ptr) AccessChain 32(b) 40 48: 14(int) Load 33(i)
Store 48 21 49: 22(ptr) AccessChain 39(c) 48
49: 37 Load 39(c) Store 49 21
50: 22(ptr) AccessChain 32(b) 49 54: 51 Load 53(s2D)
Store 50 21 58: 7(fvec4) ImageSampleImplicitLod 54 57
55: 52 Load 54(s2D) ReturnValue 58
59: 7(fvec4) ImageSampleImplicitLod 55 58
ReturnValue 59
FunctionEnd FunctionEnd

272
Test/baseResults/spv.unit1.frag.out Executable file
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@ -0,0 +1,272 @@
spv.unit1.frag
Shader version: 460
gl_FragCoord origin is upper left
0:? Sequence
0:8 Function Definition: main( ( global void)
0:8 Function Parameters:
0:10 Sequence
0:10 move second child to first child ( temp highp float)
0:10 'f' ( global highp float)
0:10 Constant:
0:10 10.000000
0:11 Sequence
0:11 move second child to first child ( temp highp float)
0:11 'g' ( temp highp float)
0:11 Function Call: foo( ( global highp float)
0:12 add second child into first child ( temp highp float)
0:12 'f' ( global highp float)
0:12 'g' ( temp highp float)
0:13 add second child into first child ( temp highp float)
0:13 'f' ( global highp float)
0:13 direct index ( temp highp float)
0:13 'gl_FragCoord' ( gl_FragCoord highp 4-component vector of float FragCoord)
0:13 Constant:
0:13 1 (const int)
0:? Linker Objects
0:? 'f' ( global highp float)
0:? 'a1' ( global highp float)
spv.unit2.frag
Shader version: 410
gl_FragCoord origin is upper left
0:? Sequence
0:9 Function Definition: foo( ( global highp float)
0:9 Function Parameters:
0:11 Sequence
0:11 Sequence
0:11 move second child to first child ( temp highp float)
0:11 'h2' ( temp highp float)
0:11 component-wise multiply ( temp highp float)
0:11 Constant:
0:11 2.000000
0:11 'f' ( global highp float)
0:12 Sequence
0:12 move second child to first child ( temp highp float)
0:12 'g2' ( temp highp float)
0:12 Function Call: bar( ( global highp float)
0:13 Branch: Return with expression
0:13 add ( temp highp float)
0:13 add ( temp highp float)
0:13 'h2' ( temp highp float)
0:13 'g2' ( temp highp float)
0:13 direct index ( temp highp float)
0:13 'gl_FragCoord' ( gl_FragCoord highp 4-component vector of float FragCoord)
0:13 Constant:
0:13 1 (const int)
0:? Linker Objects
0:? 'a2' ( global highp float)
0:? 'f' ( global highp float)
spv.unit3.frag
Shader version: 460
gl_FragCoord origin is upper left
0:? Sequence
0:4 Sequence
0:4 move second child to first child ( temp highp float)
0:4 'h3' ( global highp float)
0:4 Constant:
0:4 3.000000
0:6 Function Definition: bar( ( global highp float)
0:6 Function Parameters:
0:8 Sequence
0:8 multiply second child into first child ( temp highp float)
0:8 'h3' ( global highp float)
0:8 'f' ( global highp float)
0:9 Sequence
0:9 move second child to first child ( temp highp float)
0:9 'g3' ( temp highp float)
0:9 component-wise multiply ( temp highp float)
0:9 Constant:
0:9 2.000000
0:9 'h3' ( global highp float)
0:10 Branch: Return with expression
0:10 add ( temp highp float)
0:10 add ( temp highp float)
0:10 'h3' ( global highp float)
0:10 'g3' ( temp highp float)
0:10 direct index ( temp highp float)
0:10 'gl_FragCoord' ( gl_FragCoord highp 4-component vector of float FragCoord)
0:10 Constant:
0:10 1 (const int)
0:? Linker Objects
0:? 'f' ( global highp float)
0:? 'h3' ( global highp float)
Linked fragment stage:
Shader version: 460
gl_FragCoord origin is upper left
0:? Sequence
0:8 Function Definition: main( ( global void)
0:8 Function Parameters:
0:10 Sequence
0:10 move second child to first child ( temp highp float)
0:10 'f' ( global highp float)
0:10 Constant:
0:10 10.000000
0:11 Sequence
0:11 move second child to first child ( temp highp float)
0:11 'g' ( temp highp float)
0:11 Function Call: foo( ( global highp float)
0:12 add second child into first child ( temp highp float)
0:12 'f' ( global highp float)
0:12 'g' ( temp highp float)
0:13 add second child into first child ( temp highp float)
0:13 'f' ( global highp float)
0:13 direct index ( temp highp float)
0:13 'gl_FragCoord' ( gl_FragCoord highp 4-component vector of float FragCoord)
0:13 Constant:
0:13 1 (const int)
0:9 Function Definition: foo( ( global highp float)
0:9 Function Parameters:
0:11 Sequence
0:11 Sequence
0:11 move second child to first child ( temp highp float)
0:11 'h2' ( temp highp float)
0:11 component-wise multiply ( temp highp float)
0:11 Constant:
0:11 2.000000
0:11 'f' ( global highp float)
0:12 Sequence
0:12 move second child to first child ( temp highp float)
0:12 'g2' ( temp highp float)
0:12 Function Call: bar( ( global highp float)
0:13 Branch: Return with expression
0:13 add ( temp highp float)
0:13 add ( temp highp float)
0:13 'h2' ( temp highp float)
0:13 'g2' ( temp highp float)
0:13 direct index ( temp highp float)
0:13 'gl_FragCoord' ( gl_FragCoord highp 4-component vector of float FragCoord)
0:13 Constant:
0:13 1 (const int)
0:4 Sequence
0:4 move second child to first child ( temp highp float)
0:4 'h3' ( global highp float)
0:4 Constant:
0:4 3.000000
0:6 Function Definition: bar( ( global highp float)
0:6 Function Parameters:
0:8 Sequence
0:8 multiply second child into first child ( temp highp float)
0:8 'h3' ( global highp float)
0:8 'f' ( global highp float)
0:9 Sequence
0:9 move second child to first child ( temp highp float)
0:9 'g3' ( temp highp float)
0:9 component-wise multiply ( temp highp float)
0:9 Constant:
0:9 2.000000
0:9 'h3' ( global highp float)
0:10 Branch: Return with expression
0:10 add ( temp highp float)
0:10 add ( temp highp float)
0:10 'h3' ( global highp float)
0:10 'g3' ( temp highp float)
0:10 direct index ( temp highp float)
0:10 'gl_FragCoord' ( gl_FragCoord highp 4-component vector of float FragCoord)
0:10 Constant:
0:10 1 (const int)
0:? Linker Objects
0:? 'f' ( global highp float)
0:? 'a1' ( global highp float)
0:? 'a2' ( global highp float)
0:? 'h3' ( global highp float)
// Module Version 10000
// Generated by (magic number): 80007
// Id's are bound by 63
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 25
ExecutionMode 4 OriginUpperLeft
Source GLSL 460
Name 4 "main"
Name 8 "foo("
Name 10 "bar("
Name 13 "h3"
Name 15 "f"
Name 18 "g"
Name 25 "gl_FragCoord"
Name 33 "h2"
Name 37 "g2"
Name 50 "g3"
Name 61 "a1"
Name 62 "a2"
Decorate 25(gl_FragCoord) BuiltIn FragCoord
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeFunction 6(float)
12: TypePointer Private 6(float)
13(h3): 12(ptr) Variable Private
14: 6(float) Constant 1077936128
15(f): 12(ptr) Variable Private
16: 6(float) Constant 1092616192
17: TypePointer Function 6(float)
23: TypeVector 6(float) 4
24: TypePointer Input 23(fvec4)
25(gl_FragCoord): 24(ptr) Variable Input
26: TypeInt 32 0
27: 26(int) Constant 1
28: TypePointer Input 6(float)
34: 6(float) Constant 1073741824
61(a1): 12(ptr) Variable Private
62(a2): 12(ptr) Variable Private
4(main): 2 Function None 3
5: Label
18(g): 17(ptr) Variable Function
Store 13(h3) 14
Store 15(f) 16
19: 6(float) FunctionCall 8(foo()
Store 18(g) 19
20: 6(float) Load 18(g)
21: 6(float) Load 15(f)
22: 6(float) FAdd 21 20
Store 15(f) 22
29: 28(ptr) AccessChain 25(gl_FragCoord) 27
30: 6(float) Load 29
31: 6(float) Load 15(f)
32: 6(float) FAdd 31 30
Store 15(f) 32
Return
FunctionEnd
8(foo(): 6(float) Function None 7
9: Label
33(h2): 17(ptr) Variable Function
37(g2): 17(ptr) Variable Function
35: 6(float) Load 15(f)
36: 6(float) FMul 34 35
Store 33(h2) 36
38: 6(float) FunctionCall 10(bar()
Store 37(g2) 38
39: 6(float) Load 33(h2)
40: 6(float) Load 37(g2)
41: 6(float) FAdd 39 40
42: 28(ptr) AccessChain 25(gl_FragCoord) 27
43: 6(float) Load 42
44: 6(float) FAdd 41 43
ReturnValue 44
FunctionEnd
10(bar(): 6(float) Function None 7
11: Label
50(g3): 17(ptr) Variable Function
47: 6(float) Load 15(f)
48: 6(float) Load 13(h3)
49: 6(float) FMul 48 47
Store 13(h3) 49
51: 6(float) Load 13(h3)
52: 6(float) FMul 34 51
Store 50(g3) 52
53: 6(float) Load 13(h3)
54: 6(float) Load 50(g3)
55: 6(float) FAdd 53 54
56: 28(ptr) AccessChain 25(gl_FragCoord) 27
57: 6(float) Load 56
58: 6(float) FAdd 55 57
ReturnValue 58
FunctionEnd

14
Test/spv.unit1.frag Executable file
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@ -0,0 +1,14 @@
#version 460
float f;
float a1;
float foo();
void main()
{
f = 10;
float g = foo();
f += g;
f += gl_FragCoord.y;
}

14
Test/spv.unit2.frag Executable file
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@ -0,0 +1,14 @@
#version 410
// a different version number makes different id's for the same shared symbol
float a2;
float f;
float bar();
float foo()
{
float h2 = 2 * f;
float g2 = bar();
return h2 + g2 + gl_FragCoord.y;
}

11
Test/spv.unit3.frag Executable file
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@ -0,0 +1,11 @@
#version 460
float f;
float h3 = 3.0;
float bar()
{
h3 *= f;
float g3 = 2 * h3;
return h3 + g3 + gl_FragCoord.y;
}

1
glslang/Include/intermediate.h
View File

@ -1164,6 +1164,7 @@ public:
constSubtree(nullptr) constSubtree(nullptr)
{ name = n; } { name = n; }
virtual int getId() const { return id; } virtual int getId() const { return id; }
virtual void changeId(int i) { id = i; }
virtual const TString& getName() const { return name; } virtual const TString& getName() const { return name; }
virtual void traverse(TIntermTraverser*); virtual void traverse(TIntermTraverser*);
virtual TIntermSymbol* getAsSymbolNode() { return this; } virtual TIntermSymbol* getAsSymbolNode() { return this; }

124
glslang/MachineIndependent/linkValidate.cpp Normal file → Executable file
View File

@ -182,22 +182,132 @@ void TIntermediate::merge(TInfoSink& infoSink, TIntermediate& unit)
} }
// Getting this far means we have two existing trees to merge... // Getting this far means we have two existing trees to merge...
mergeTree(infoSink, unit);
version = std::max(version, unit.version); version = std::max(version, unit.version);
requestedExtensions.insert(unit.requestedExtensions.begin(), unit.requestedExtensions.end()); requestedExtensions.insert(unit.requestedExtensions.begin(), unit.requestedExtensions.end());
ioAccessed.insert(unit.ioAccessed.begin(), unit.ioAccessed.end());
}
//
// Merge the 'unit' AST into 'this' AST.
// That includes rationalizing the unique IDs, which were set up independently,
// and might have overlaps that are not the same symbol, or might have different
// IDs for what should be the same shared symbol.
//
void TIntermediate::mergeTree(TInfoSink& infoSink, TIntermediate& unit)
{
// Get the top-level globals of each unit // Get the top-level globals of each unit
TIntermSequence& globals = treeRoot->getAsAggregate()->getSequence(); TIntermSequence& globals = treeRoot->getAsAggregate()->getSequence();
TIntermSequence& unitGlobals = unit.treeRoot->getAsAggregate()->getSequence(); TIntermSequence& unitGlobals = unit.treeRoot->getAsAggregate()->getSequence();
// Get the linker-object lists // Get the linker-object lists
TIntermSequence& linkerObjects = findLinkerObjects(); TIntermSequence& linkerObjects = findLinkerObjects()->getSequence();
TIntermSequence& unitLinkerObjects = unit.findLinkerObjects(); const TIntermSequence& unitLinkerObjects = unit.findLinkerObjects()->getSequence();
// Map by global name to unique ID to rationalize the same object having
// differing IDs in different trees.
TMap<TString, int> idMap;
int maxId;
seedIdMap(idMap, maxId);
remapIds(idMap, maxId + 1, unit);
mergeBodies(infoSink, globals, unitGlobals); mergeBodies(infoSink, globals, unitGlobals);
mergeLinkerObjects(infoSink, linkerObjects, unitLinkerObjects); mergeLinkerObjects(infoSink, linkerObjects, unitLinkerObjects);
}
ioAccessed.insert(unit.ioAccessed.begin(), unit.ioAccessed.end()); // Traverser that seeds an ID map with all built-ins, and tracks the
// maximum ID used.
// (It would be nice to put this in a function, but that causes warnings
// on having no bodies for the copy-constructor/operator=.)
class TBuiltInIdTraverser : public TIntermTraverser {
public:
TBuiltInIdTraverser(TMap<TString, int>& idMap) : idMap(idMap), maxId(0) { }
// If it's a built in, add it to the map.
// Track the max ID.
virtual void visitSymbol(TIntermSymbol* symbol)
{
const TQualifier& qualifier = symbol->getType().getQualifier();
if (qualifier.builtIn != EbvNone)
idMap[symbol->getName()] = symbol->getId();
maxId = std::max(maxId, symbol->getId());
}
int getMaxId() const { return maxId; }
protected:
TBuiltInIdTraverser(TBuiltInIdTraverser&);
TBuiltInIdTraverser& operator=(TBuiltInIdTraverser&);
TMap<TString, int>& idMap;
int maxId;
};
// Traverser that seeds an ID map with non-builtin globals.
// (It would be nice to put this in a function, but that causes warnings
// on having no bodies for the copy-constructor/operator=.)
class TUserIdTraverser : public TIntermTraverser {
public:
TUserIdTraverser(TMap<TString, int>& idMap) : idMap(idMap) { }
// If its a non-built-in global, add it to the map.
virtual void visitSymbol(TIntermSymbol* symbol)
{
const TQualifier& qualifier = symbol->getType().getQualifier();
if (qualifier.storage == EvqGlobal && qualifier.builtIn == EbvNone)
idMap[symbol->getName()] = symbol->getId();
}
protected:
TUserIdTraverser(TUserIdTraverser&);
TUserIdTraverser& operator=(TUserIdTraverser&);
TMap<TString, int>& idMap; // over biggest id
};
// Initialize the the ID map with what we know of 'this' AST.
void TIntermediate::seedIdMap(TMap<TString, int>& idMap, int& maxId)
{
// all built-ins everywhere need to align on IDs and contribute to the max ID
TBuiltInIdTraverser builtInIdTraverser(idMap);
treeRoot->traverse(&builtInIdTraverser);
maxId = builtInIdTraverser.getMaxId();
// user variables in the linker object list need to align on ids
TUserIdTraverser userIdTraverser(idMap);
findLinkerObjects()->traverse(&userIdTraverser);
}
// Traverser to map an AST ID to what was known from the seeding AST.
// (It would be nice to put this in a function, but that causes warnings
// on having no bodies for the copy-constructor/operator=.)
class TRemapIdTraverser : public TIntermTraverser {
public:
TRemapIdTraverser(const TMap<TString, int>& idMap, int idShift) : idMap(idMap), idShift(idShift) { }
// Do the mapping:
// - if the same symbol, adopt the 'this' ID
// - otherwise, ensure a unique ID by shifting to a new space
virtual void visitSymbol(TIntermSymbol* symbol)
{
const TQualifier& qualifier = symbol->getType().getQualifier();
bool remapped = false;
if (qualifier.storage == EvqGlobal || qualifier.builtIn != EbvNone) {
auto it = idMap.find(symbol->getName());
if (it != idMap.end()) {
symbol->changeId(it->second);
remapped = true;
}
}
if (!remapped)
symbol->changeId(symbol->getId() + idShift);
}
protected:
TRemapIdTraverser(TRemapIdTraverser&);
TRemapIdTraverser& operator=(TRemapIdTraverser&);
const TMap<TString, int>& idMap;
int idShift;
};
void TIntermediate::remapIds(const TMap<TString, int>& idMap, int idShift, TIntermediate& unit)
{
// Remap all IDs to either share or be unique, as dictated by the idMap and idShift.
TRemapIdTraverser idTraverser(idMap, idShift);
unit.getTreeRoot()->traverse(&idTraverser);
} }
// //
@ -699,7 +809,7 @@ void TIntermediate::inOutLocationCheck(TInfoSink& infoSink)
// TODO: linker functionality: location collision checking // TODO: linker functionality: location collision checking
TIntermSequence& linkObjects = findLinkerObjects(); TIntermSequence& linkObjects = findLinkerObjects()->getSequence();
for (size_t i = 0; i < linkObjects.size(); ++i) { for (size_t i = 0; i < linkObjects.size(); ++i) {
const TType& type = linkObjects[i]->getAsTyped()->getType(); const TType& type = linkObjects[i]->getAsTyped()->getType();
const TQualifier& qualifier = type.getQualifier(); const TQualifier& qualifier = type.getQualifier();
@ -718,7 +828,7 @@ void TIntermediate::inOutLocationCheck(TInfoSink& infoSink)
} }
} }
TIntermSequence& TIntermediate::findLinkerObjects() const TIntermAggregate* TIntermediate::findLinkerObjects() const
{ {
// Get the top-level globals // Get the top-level globals
TIntermSequence& globals = treeRoot->getAsAggregate()->getSequence(); TIntermSequence& globals = treeRoot->getAsAggregate()->getSequence();
@ -726,7 +836,7 @@ TIntermSequence& TIntermediate::findLinkerObjects() const
// Get the last member of the sequences, expected to be the linker-object lists // Get the last member of the sequences, expected to be the linker-object lists
assert(globals.back()->getAsAggregate()->getOp() == EOpLinkerObjects); assert(globals.back()->getAsAggregate()->getOp() == EOpLinkerObjects);
return globals.back()->getAsAggregate()->getSequence(); return globals.back()->getAsAggregate();
} }
// See if a variable was both a user-declared output and used. // See if a variable was both a user-declared output and used.
@ -734,7 +844,7 @@ TIntermSequence& TIntermediate::findLinkerObjects() const
// is more useful, and perhaps the spec should be changed to reflect that. // is more useful, and perhaps the spec should be changed to reflect that.
bool TIntermediate::userOutputUsed() const bool TIntermediate::userOutputUsed() const
{ {
const TIntermSequence& linkerObjects = findLinkerObjects(); const TIntermSequence& linkerObjects = findLinkerObjects()->getSequence();
bool found = false; bool found = false;
for (size_t i = 0; i < linkerObjects.size(); ++i) { for (size_t i = 0; i < linkerObjects.size(); ++i) {

5
glslang/MachineIndependent/localintermediate.h
View File

@ -645,6 +645,9 @@ protected:
TIntermSymbol* addSymbol(int Id, const TString&, const TType&, const TConstUnionArray&, TIntermTyped* subtree, const TSourceLoc&); TIntermSymbol* addSymbol(int Id, const TString&, const TType&, const TConstUnionArray&, TIntermTyped* subtree, const TSourceLoc&);
void error(TInfoSink& infoSink, const char*); void error(TInfoSink& infoSink, const char*);
void warn(TInfoSink& infoSink, const char*); void warn(TInfoSink& infoSink, const char*);
void mergeTree(TInfoSink&, TIntermediate&);
void seedIdMap(TMap<TString, int>& idMap, int& maxId);
void remapIds(const TMap<TString, int>& idMap, int idShift, TIntermediate&);
void mergeBodies(TInfoSink&, TIntermSequence& globals, const TIntermSequence& unitGlobals); void mergeBodies(TInfoSink&, TIntermSequence& globals, const TIntermSequence& unitGlobals);
void mergeLinkerObjects(TInfoSink&, TIntermSequence& linkerObjects, const TIntermSequence& unitLinkerObjects); void mergeLinkerObjects(TInfoSink&, TIntermSequence& linkerObjects, const TIntermSequence& unitLinkerObjects);
void mergeImplicitArraySizes(TType&, const TType&); void mergeImplicitArraySizes(TType&, const TType&);
@ -652,7 +655,7 @@ protected:
void checkCallGraphCycles(TInfoSink&); void checkCallGraphCycles(TInfoSink&);
void checkCallGraphBodies(TInfoSink&, bool keepUncalled); void checkCallGraphBodies(TInfoSink&, bool keepUncalled);
void inOutLocationCheck(TInfoSink&); void inOutLocationCheck(TInfoSink&);
TIntermSequence& findLinkerObjects() const; TIntermAggregate* findLinkerObjects() const;
bool userOutputUsed() const; bool userOutputUsed() const;
bool isSpecializationOperation(const TIntermOperator&) const; bool isSpecializationOperation(const TIntermOperator&) const;
bool isNonuniformPropagating(TOperator) const; bool isNonuniformPropagating(TOperator) const;

1
gtests/Link.FromFile.Vk.cpp Normal file → Executable file
View File

@ -106,6 +106,7 @@ INSTANTIATE_TEST_CASE_P(
Glsl, LinkTestVulkan, Glsl, LinkTestVulkan,
::testing::ValuesIn(std::vector<std::vector<std::string>>({ ::testing::ValuesIn(std::vector<std::vector<std::string>>({
{"link1.vk.frag", "link2.vk.frag"}, {"link1.vk.frag", "link2.vk.frag"},
{"spv.unit1.frag", "spv.unit2.frag", "spv.unit3.frag"},
})), })),
); );
// clang-format on // clang-format on