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Commit c3869fee by John Kessenich
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Merge pull request #211 from Qining/spec-constants-composite

SPV: Support specialization composite constants.
parents 28001b1c 0840838d
Showing with 362 additions and 19 deletions
Test/baseResults/spv.specConstantComposite.vert.out 0 → 100644
spv.specConstantComposite.vert
Warning, version 450 is not yet complete; most version-specific features are present, but some are missing.
Linked vertex stage:
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 106
Capability Shader
Capability Float64
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Vertex 4 "main" 27 105
Source GLSL 450
Name 4 "main"
Name 6 "refer_primary_spec_const("
Name 8 "refer_composite_spec_const("
Name 10 "refer_copmosite_dot_dereference("
Name 12 "refer_composite_bracket_dereference("
Name 16 "refer_spec_const_array_length("
Name 18 "declare_spec_const_in_func("
Name 27 "color"
Name 41 "flat_struct"
MemberName 41(flat_struct) 0 "i"
MemberName 41(flat_struct) 1 "f"
MemberName 41(flat_struct) 2 "d"
MemberName 41(flat_struct) 3 "b"
Name 42 "nesting_struct"
MemberName 42(nesting_struct) 0 "nested"
MemberName 42(nesting_struct) 1 "v"
MemberName 42(nesting_struct) 2 "i"
Name 72 "indexable"
Name 76 "indexable"
Name 83 "len"
Name 105 "global_vec4_array_with_spec_length"
Decorate 21 SpecId 203
Decorate 28 SpecId 200
Decorate 32 SpecId 201
Decorate 43 SpecId 202
2: TypeVoid
3: TypeFunction 2
14: TypeInt 32 1
15: TypeFunction 14(int)
20: TypeBool
21: 20(bool) SpecConstantTrue
24: TypeFloat 32
25: TypeVector 24(float) 4
26: TypePointer Output 25(fvec4)
27(color): 26(ptr) Variable Output
28: 14(int) SpecConstant 3
32: 24(float) SpecConstant 1078523331
33: 25(fvec4) SpecConstantComposite 32 32 32 32
36: 24(float) Constant 1133908460
37: 25(fvec4) SpecConstantComposite 32 32 36 36
40: TypeFloat 64
41(flat_struct): TypeStruct 14(int) 24(float) 40(float) 20(bool)
42(nesting_struct): TypeStruct 41(flat_struct) 25(fvec4) 14(int)
43: 40(float) SpecConstant 1413754136 1074340347
44:41(flat_struct) SpecConstantComposite 28 32 43 21
45:42(nesting_struct) SpecConstantComposite 44 33 28
46: 14(int) Constant 2
51: TypeInt 32 0
52: 51(int) Constant 0
57: 51(int) Constant 5
58: TypeArray 24(float) 57
59: 24(float) Constant 1065353216
60: 24(float) Constant 1073741824
61: 24(float) Constant 1077936128
62: 58 SpecConstantComposite 32 32 59 60 61
63: 14(int) Constant 1
68: TypeArray 14(int) 57
69: 14(int) Constant 30
70: 68 SpecConstantComposite 28 28 63 46 69
71: TypePointer Function 68
73: TypePointer Function 14(int)
87: 24(float) Constant 1106321080
88:41(flat_struct) SpecConstantComposite 69 87 43 21
89: 14(int) Constant 10
90:42(nesting_struct) SpecConstantComposite 88 37 89
96: 20(bool) ConstantFalse
97:41(flat_struct) SpecConstantComposite 28 32 43 96
98: 24(float) Constant 1036831949
99: 25(fvec4) ConstantComposite 98 98 98 98
100:42(nesting_struct) SpecConstantComposite 97 99 28
101: 14(int) Constant 3000
102:42(nesting_struct) SpecConstantComposite 88 37 101
103: TypeArray 25(fvec4) 28
104: TypePointer Input 103
105(global_vec4_array_with_spec_length): 104(ptr) Variable Input
4(main): 2 Function None 3
5: Label
Return
FunctionEnd
6(refer_primary_spec_const(): 2 Function None 3
7: Label
SelectionMerge 23 None
BranchConditional 21 22 23
22: Label
29: 24(float) ConvertSToF 28
30: 25(fvec4) Load 27(color)
31: 25(fvec4) VectorTimesScalar 30 29
Store 27(color) 31
Branch 23
23: Label
Return
FunctionEnd
8(refer_composite_spec_const(): 2 Function None 3
9: Label
34: 25(fvec4) Load 27(color)
35: 25(fvec4) FAdd 34 33
Store 27(color) 35
38: 25(fvec4) Load 27(color)
39: 25(fvec4) FSub 38 37
Store 27(color) 39
Return
FunctionEnd
10(refer_copmosite_dot_dereference(): 2 Function None 3
11: Label
47: 14(int) CompositeExtract 45 2
48: 24(float) ConvertSToF 47
49: 25(fvec4) Load 27(color)
50: 25(fvec4) VectorTimesScalar 49 48
Store 27(color) 50
53: 24(float) CompositeExtract 33 0
54: 25(fvec4) Load 27(color)
55: 25(fvec4) CompositeConstruct 53 53 53 53
56: 25(fvec4) FAdd 54 55
Store 27(color) 56
Return
FunctionEnd
12(refer_composite_bracket_dereference(): 2 Function None 3
13: Label
72(indexable): 71(ptr) Variable Function
76(indexable): 71(ptr) Variable Function
64: 24(float) CompositeExtract 62 1
65: 25(fvec4) Load 27(color)
66: 25(fvec4) CompositeConstruct 64 64 64 64
67: 25(fvec4) FSub 65 66
Store 27(color) 67
Store 72(indexable) 70
74: 73(ptr) AccessChain 72(indexable) 28
75: 14(int) Load 74
Store 76(indexable) 70
77: 73(ptr) AccessChain 76(indexable) 75
78: 14(int) Load 77
79: 24(float) ConvertSToF 78
80: 25(fvec4) Load 27(color)
81: 25(fvec4) CompositeConstruct 79 79 79 79
82: 25(fvec4) FDiv 80 81
Store 27(color) 82
Return
FunctionEnd
16(refer_spec_const_array_length(): 14(int) Function None 15
17: Label
83(len): 73(ptr) Variable Function
Store 83(len) 28
84: 14(int) Load 83(len)
ReturnValue 84
FunctionEnd
18(declare_spec_const_in_func(): 2 Function None 3
19: Label
91: 14(int) CompositeExtract 90 2
92: 24(float) ConvertSToF 91
93: 25(fvec4) Load 27(color)
94: 25(fvec4) CompositeConstruct 92 92 92 92
95: 25(fvec4) FDiv 93 94
Store 27(color) 95
Return
FunctionEnd
Test/spv.specConstantComposite.vert 0 → 100644
#version 450
// constant_id specified scalar spec constants
layout(constant_id = 200) const int spec_int = 3;
layout(constant_id = 201) const float spec_float = 3.14;
layout(constant_id = 202) const
double spec_double = 3.1415926535897932384626433832795;
layout(constant_id = 203) const bool spec_bool = true;
const float cast_spec_float = float(spec_float);
// Flat struct
struct flat_struct {
int i;
float f;
double d;
bool b;
};
// Nesting struct
struct nesting_struct {
flat_struct nested;
vec4 v;
int i;
};
// Expect OpSpecConstantComposite
// Flat struct initializer
const flat_struct spec_flat_struct_all_spec = {spec_int, spec_float,
spec_double, spec_bool};
const flat_struct spec_flat_struct_partial_spec = {30, 30.14, spec_double,
spec_bool};
// Nesting struct initializer
const nesting_struct nesting_struct_ctor = {
{spec_int, spec_float, spec_double, false},
vec4(0.1, 0.1, 0.1, 0.1),
spec_int};
// Vector constructor
const vec4 spec_vec4_all_spec =
vec4(spec_float, spec_float, spec_float, spec_float);
const vec4 spec_vec4_partial_spec =
vec4(spec_float, spec_float, 300.14, 300.14);
// Struct nesting constructor
const nesting_struct spec_nesting_struct_all_spec = {
spec_flat_struct_all_spec, spec_vec4_all_spec, spec_int};
const nesting_struct spec_nesting_struct_partial_spec = {
spec_flat_struct_partial_spec, spec_vec4_partial_spec, 3000};
const float spec_float_array[5] = {spec_float, spec_float, 1.0, 2.0, 3.0};
const int spec_int_array[5] = {spec_int, spec_int, 1, 2, 30};
// global_vec4_array_with_spec_length is not a spec constant, but its array
// size is. When calling global_vec4_array_with_spec_length.length(), A
// TIntermSymbol Node shoule be returned, instead of a TIntermConstantUnion
// node which represents a known constant value.
in vec4 global_vec4_array_with_spec_length[spec_int];
out vec4 color;
void refer_primary_spec_const() {
if (spec_bool) color *= spec_int;
}
void refer_composite_spec_const() {
color += spec_vec4_all_spec;
color -= spec_vec4_partial_spec;
}
void refer_copmosite_dot_dereference() {
color *= spec_nesting_struct_all_spec.i;
color += spec_vec4_all_spec.x;
}
void refer_composite_bracket_dereference() {
color -= spec_float_array[1];
color /= spec_int_array[spec_int_array[spec_int]];
}
int refer_spec_const_array_length() {
int len = global_vec4_array_with_spec_length.length();
return len;
}
void declare_spec_const_in_func() {
const nesting_struct spec_const_declared_in_func = {
spec_flat_struct_partial_spec, spec_vec4_partial_spec, 10};
color /= spec_const_declared_in_func.i;
}
void main() {}
Test/test-spirv-list
......@@ -102,6 +102,7 @@ spv.pushConstant.vert
spv.subpass.frag
spv.specConstant.vert
spv.specConstant.comp
spv.specConstantComposite.vert
# GLSL-level semantics
vulkan.frag
vulkan.vert
......
glslang/Include/Types.h
......@@ -1223,6 +1223,7 @@ public:
virtual int getMatrixCols() const { return matrixCols; }
virtual int getMatrixRows() const { return matrixRows; }
virtual int getOuterArraySize() const { return arraySizes->getOuterSize(); }
virtual TIntermTyped* getOuterArrayNode() const { return arraySizes->getOuterNode(); }
virtual int getCumulativeArraySize() const { return arraySizes->getCumulativeSize(); }
virtual bool isArrayOfArrays() const { return arraySizes != nullptr && arraySizes->getNumDims() > 1; }
virtual int getImplicitArraySize() const { return arraySizes->getImplicitSize(); }
......
glslang/MachineIndependent/ParseHelper.cpp
......@@ -484,7 +484,7 @@ TIntermTyped* TParseContext::handleBracketDereference(const TSourceLoc& loc, TIn
TIntermTyped* result = nullptr;
int indexValue = 0;
if (index->getQualifier().isConstant()) {
if (index->getQualifier().isFrontEndConstant()) {
indexValue = index->getAsConstantUnion()->getConstArray()[0].getIConst();
checkIndex(loc, base->getType(), indexValue);
}
......@@ -503,7 +503,7 @@ TIntermTyped* TParseContext::handleBracketDereference(const TSourceLoc& loc, TIn
if (base->getAsSymbolNode() && isIoResizeArray(base->getType()))
handleIoResizeArrayAccess(loc, base);
if (index->getQualifier().isConstant()) {
if (index->getQualifier().isFrontEndConstant()) {
if (base->getType().isImplicitlySizedArray())
updateImplicitArraySize(loc, base, indexValue);
result = intermediate.addIndex(EOpIndexDirect, base, index, loc);
......@@ -541,10 +541,15 @@ TIntermTyped* TParseContext::handleBracketDereference(const TSourceLoc& loc, TIn
} else {
// Insert valid dereferenced result
TType newType(base->getType(), 0); // dereferenced type
if (base->getType().getQualifier().isFrontEndConstant() && index->getQualifier().isFrontEndConstant())
if (base->getType().getQualifier().isConstant() && index->getQualifier().isConstant()) {
newType.getQualifier().storage = EvqConst;
else
// If base or index is a specialization constant, the result should also be a specialization constant.
if (base->getType().getQualifier().isSpecConstant() || index->getQualifier().isSpecConstant()) {
newType.getQualifier().makeSpecConstant();
}
} else {
newType.getQualifier().makePartialTemporary();
}
result->setType(newType);
if (anyIndexLimits)
......@@ -1226,6 +1231,11 @@ TIntermTyped* TParseContext::handleLengthMethod(const TSourceLoc& loc, TFunction
else
error(loc, "", function->getName().c_str(), "array must be declared with a size before using this method");
}
} else if (type.getOuterArrayNode()) {
// If the array's outer size is specified by an intermediate node, it means the array's length
// was specified by a specialization constant. In such a case, we should return the node of the
// specialization constants to represent the length.
return type.getOuterArrayNode();
} else
length = type.getOuterArraySize();
} else if (type.isMatrix())
......@@ -5110,7 +5120,8 @@ TIntermTyped* TParseContext::addConstructor(const TSourceLoc& loc, TIntermNode*
// We don't know "top down" whether type is a specialization constant,
// but a const becomes a specialization constant if any of its children are.
bool specConst = false;
bool hasSpecConst = false;
bool isConstConstrutor = true;
for (TIntermSequence::iterator p = sequenceVector.begin();
p != sequenceVector.end(); p++, paramCount++) {
......@@ -5123,14 +5134,16 @@ TIntermTyped* TParseContext::addConstructor(const TSourceLoc& loc, TIntermNode*
if (newNode) {
*p = newNode;
if (! newNode->getType().getQualifier().isConstant())
isConstConstrutor = false;
if (newNode->getType().getQualifier().isSpecConstant())
specConst = true;
hasSpecConst = true;
} else
return nullptr;
}
TIntermTyped* constructor = intermediate.setAggregateOperator(aggrNode, op, type, loc);
if (constructor->getType().getQualifier().isConstant() && specConst)
if (isConstConstrutor && hasSpecConst)
constructor->getWritableType().getQualifier().makeSpecConstant();
return constructor;
......
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