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Merge pull request #216 from Qining/fix-non-const-array-size-from-spec-const

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SPV: Generate OpSpecConstantOp for all subtrees indicated by the AST.
This commit is contained in:
John Kessenich 2016-04-06 13:14:11 -06:00
commit a8d9faba1f
6 changed files with 162 additions and 137 deletions
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63
SPIRV/GlslangToSpv.cpp
View File

@ -66,6 +66,27 @@ namespace {
// or a different instruction sequence to do something gets used).
const int GeneratorVersion = 1;
namespace {
class SpecConstantOpModeGuard {
public:
SpecConstantOpModeGuard(spv::Builder* builder)
: builder_(builder) {
previous_flag_ = builder->isInSpecConstCodeGenMode();
}
~SpecConstantOpModeGuard() {
previous_flag_ ? builder_->setToSpecConstCodeGenMode()
: builder_->setToNormalCodeGenMode();
}
void turnOnSpecConstantOpMode() {
builder_->setToSpecConstCodeGenMode();
}
private:
spv::Builder* builder_;
bool previous_flag_;
};
}
//
// The main holder of information for translating glslang to SPIR-V.
//
@ -757,6 +778,10 @@ TGlslangToSpvTraverser::~TGlslangToSpvTraverser()
//
void TGlslangToSpvTraverser::visitSymbol(glslang::TIntermSymbol* symbol)
{
SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder);
if (symbol->getType().getQualifier().isSpecConstant())
spec_constant_op_mode_setter.turnOnSpecConstantOpMode();
// getSymbolId() will set up all the IO decorations on the first call.
// Formal function parameters were mapped during makeFunctions().
spv::Id id = getSymbolId(symbol);
@ -794,6 +819,10 @@ void TGlslangToSpvTraverser::visitSymbol(glslang::TIntermSymbol* symbol)
bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::TIntermBinary* node)
{
SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder);
if (node->getType().getQualifier().isSpecConstant())
spec_constant_op_mode_setter.turnOnSpecConstantOpMode();
// First, handle special cases
switch (node->getOp()) {
case glslang::EOpAssign:
@ -966,6 +995,10 @@ bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::T
bool TGlslangToSpvTraverser::visitUnary(glslang::TVisit /* visit */, glslang::TIntermUnary* node)
{
SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder);
if (node->getType().getQualifier().isSpecConstant())
spec_constant_op_mode_setter.turnOnSpecConstantOpMode();
spv::Id result = spv::NoResult;
// try texturing first
@ -1927,6 +1960,7 @@ spv::Id TGlslangToSpvTraverser::makeArraySizeId(const glslang::TArraySizes& arra
glslang::TIntermTyped* specNode = arraySizes.getDimNode(dim);
if (specNode != nullptr) {
builder.clearAccessChain();
// SpecConstantOpModeGuard set_to_spec_const_mode(&builder);
specNode->traverse(this);
return accessChainLoad(specNode->getAsTyped()->getType());
}
@ -3868,25 +3902,6 @@ spv::Id TGlslangToSpvTraverser::createSpvConstantFromConstUnionArray(const glsla
return builder.makeCompositeConstant(typeId, spvConsts);
}
namespace {
class SpecConstantOpModeGuard {
public:
SpecConstantOpModeGuard(spv::Builder* builder)
: builder_(builder) {
previous_flag_ = builder->isInSpecConstCodeGenMode();
builder->setToSpecConstCodeGenMode();
}
~SpecConstantOpModeGuard() {
previous_flag_ ? builder_->setToSpecConstCodeGenMode()
: builder_->setToNormalCodeGenMode();
}
private:
spv::Builder* builder_;
bool previous_flag_;
};
}
// Create constant ID from const initializer sub tree.
spv::Id TGlslangToSpvTraverser::createSpvConstantFromConstSubTree(
glslang::TIntermTyped* subTree)
@ -3919,22 +3934,12 @@ spv::Id TGlslangToSpvTraverser::createSpvConstantFromConstSubTree(
} else if (glslang::TIntermBinary* bn = subTree->getAsBinaryNode()) {
// Binary operation node, we should generate OpSpecConstantOp <binary op>
// This case should only happen when Specialization Constants are involved.
// Spec constants defined with binary operations and other constants requires
// OpSpecConstantOp instruction.
SpecConstantOpModeGuard set_to_spec_const_mode(&builder);
bn->traverse(this);
return accessChainLoad(bn->getType());
} else if (glslang::TIntermUnary* un = subTree->getAsUnaryNode()) {
// Unary operation node, similar to binary operation node, should only
// happen when specialization constants are involved.
// Spec constants defined with unary operations and other constants requires
// OpSpecConstantOp instruction.
SpecConstantOpModeGuard set_to_spec_const_mode(&builder);
un->traverse(this);
return accessChainLoad(un->getType());

10
Test/baseResults/spv.specConstant.comp.out
View File

@ -39,16 +39,16 @@ Linked compute stage:
15: TypeVector 6(int) 3
16: 15(ivec3) SpecConstantComposite 12 13 14
17: 6(int) Constant 0
18: 6(int) SpecConstantOp 81 16 0
19: 6(int) Constant 1
20: 6(int) SpecConstantOp 81 16 1(GLSL.std.450)
21: 6(int) SpecConstantOp 132 18 20
22: 6(int) Constant 2
23: 6(int) SpecConstantOp 81 16 2
24: 6(int) SpecConstantOp 132 21 23
25: TypePointer Uniform 6(int)
4(main): 2 Function None 3
5: Label
18: 6(int) CompositeExtract 16 0
20: 6(int) CompositeExtract 16 1
21: 6(int) IMul 18 20
23: 6(int) CompositeExtract 16 2
24: 6(int) IMul 21 23
26: 25(ptr) AccessChain 9(bi) 11
Store 26 24
Return

16
Test/baseResults/spv.specConstant.vert.out
View File

@ -58,17 +58,25 @@ Linked vertex stage:
30: 29(bool) SpecConstantTrue
33: TypeInt 32 0
34: 33(int) SpecConstant 2
35: 6(float) SpecConstantOp 112 34
38: TypeFloat 64
39: 38(float) SpecConstant 1413754136 1074340347
40: 6(float) SpecConstant 1078523331
41: 38(float) SpecConstantOp 115 40
42: 38(float) SpecConstantOp 136 39 41
43: 6(float) SpecConstantOp 115 42
50: 8(int) SpecConstant 12
51: TypeArray 7(fvec4) 50
52: TypePointer Input 51
53(dupUcol): 52(ptr) Variable Input
60: 29(bool) SpecConstantTrue
63: 33(int) SpecConstant 2
64: 6(float) SpecConstantOp 112 63
67: 38(float) SpecConstant 1413754136 1074340347
68: 6(float) SpecConstant 1078523331
69: 38(float) SpecConstantOp 115 68
70: 38(float) SpecConstantOp 136 67 69
71: 6(float) SpecConstantOp 115 70
75: TypePointer Function 8(int)
77: 8(int) SpecConstant 8
4(main): 2 Function None 3
@ -81,15 +89,11 @@ Linked vertex stage:
SelectionMerge 32 None
BranchConditional 30 31 32
31: Label
35: 6(float) ConvertUToF 34
36: 7(fvec4) Load 20(color)
37: 7(fvec4) VectorTimesScalar 36 35
Store 20(color) 37
Branch 32
32: Label
41: 38(float) FConvert 40
42: 38(float) FDiv 39 41
43: 6(float) FConvert 42
44: 7(fvec4) Load 20(color)
45: 7(fvec4) CompositeConstruct 43 43 43 43
46: 7(fvec4) FAdd 44 45
@ -113,15 +117,11 @@ Linked vertex stage:
SelectionMerge 62 None
BranchConditional 60 61 62
61: Label
64: 6(float) ConvertUToF 63
65: 7(fvec4) Load 20(color)
66: 7(fvec4) VectorTimesScalar 65 64
Store 20(color) 66
Branch 62
62: Label
69: 38(float) FConvert 68
70: 38(float) FDiv 67 69
71: 6(float) FConvert 70
72: 7(fvec4) Load 20(color)
73: 7(fvec4) CompositeConstruct 71 71 71 71
74: 7(fvec4) FAdd 72 73

4
Test/baseResults/spv.specConstantComposite.vert.out
View File

@ -51,6 +51,7 @@ Linked vertex stage:
26: TypePointer Output 25(fvec4)
27(color): 26(ptr) Variable Output
28: 14(int) SpecConstant 3
29: 24(float) SpecConstantOp 111 28
32: 24(float) SpecConstant 1078523331
33: 25(fvec4) SpecConstantComposite 32 32 32 32
36: 24(float) Constant 1133908460
@ -76,6 +77,7 @@ Linked vertex stage:
70: 68 SpecConstantComposite 28 28 63 46 69
71: TypePointer Function 68
73: TypePointer Function 14(int)
79: 24(float) SpecConstantOp 111 78
87: 24(float) Constant 1106321080
88:41(flat_struct) SpecConstantComposite 69 87 43 21
89: 14(int) Constant 10
@ -99,7 +101,6 @@ Linked vertex stage:
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
@ -146,7 +147,6 @@ Linked vertex stage:
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

201
Test/baseResults/spv.specConstantOperations.vert.out
View File

@ -7,7 +7,7 @@ Linked vertex stage:
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 94
// Id's are bound by 107
Capability Shader
Capability Float64
@ -16,101 +16,116 @@ Linked vertex stage:
EntryPoint Vertex 4 "main"
Source GLSL 450
Name 4 "main"
Decorate 7 SpecId 200
Decorate 9 SpecId 201
Decorate 11 SpecId 202
Decorate 12 SpecId 203
Name 8 "non_const_array_size_from_spec_const("
Name 15 "array"
Decorate 10 SpecId 201
Decorate 24 SpecId 200
Decorate 26 SpecId 202
Decorate 27 SpecId 203
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: 6(float) SpecConstant 1078530010
8: TypeInt 32 1
9: 8(int) SpecConstant 10
10: TypeInt 32 0
11: 10(int) SpecConstant 100
12: 8(int) SpecConstant 4294967286
13: TypeFloat 64
14: 13(float) SpecConstantOp 115 7
15: 6(float) SpecConstantOp 115 14
16: 8(int) SpecConstantOp 126 9
17: 8(int) SpecConstantOp 200 9
18: 8(int) Constant 2
19: 8(int) SpecConstantOp 128 9 18
20: 8(int) SpecConstantOp 128 9 18
21: 8(int) Constant 3
22: 8(int) SpecConstantOp 130 20 21
23: 8(int) Constant 4
24: 8(int) SpecConstantOp 130 19 23
25: 8(int) SpecConstantOp 132 12 18
26: 10(int) Constant 2
27: 10(int) SpecConstantOp 132 11 26
28: 8(int) Constant 5
29: 8(int) SpecConstantOp 135 25 28
30: 10(int) Constant 5
31: 10(int) SpecConstantOp 134 27 30
32: 8(int) SpecConstantOp 139 12 23
33: 10(int) Constant 4
34: 10(int) SpecConstantOp 137 11 33
35: 8(int) SpecConstantOp 132 12 21
36: 8(int) SpecConstantOp 135 35 28
37: 8(int) Constant 10
38: 8(int) SpecConstantOp 195 12 37
39: 8(int) Constant 20
40: 10(int) SpecConstantOp 194 11 39
41: 8(int) Constant 1
42: 8(int) SpecConstantOp 196 12 41
43: 10(int) SpecConstantOp 196 11 18
44: 8(int) Constant 256
45: 8(int) SpecConstantOp 197 12 44
46: 10(int) Constant 512
47: 10(int) SpecConstantOp 198 11 46
48: TypeBool
49: 48(bool) SpecConstantOp 177 9 12
50: 48(bool) SpecConstantOp 170 11 11
51: 48(bool) SpecConstantOp 173 9 12
52: TypeVector 8(int) 4
53: 8(int) Constant 30
54: 52(ivec4) SpecConstantComposite 39 53 9 9
55: TypeVector 10(int) 4
56: 10(int) Constant 4294967295
57: 10(int) Constant 4294967294
58: 55(ivec4) SpecConstantComposite 11 11 56 57
59: TypeVector 6(float) 4
60: 6(float) Constant 1067450368
61: 59(fvec4) SpecConstantComposite 7 60 7 60
62: TypeVector 13(float) 4
63: 62(fvec4) SpecConstantOp 115 61
64: 59(fvec4) SpecConstantOp 115 63
65: 52(ivec4) SpecConstantOp 200 54
66: 52(ivec4) SpecConstantOp 126 54
67: 52(ivec4) ConstantComposite 18 18 18 18
68: 52(ivec4) SpecConstantOp 128 54 67
69: 52(ivec4) SpecConstantOp 128 54 67
70: 52(ivec4) ConstantComposite 21 21 21 21
71: 52(ivec4) SpecConstantOp 130 69 70
72: 52(ivec4) ConstantComposite 23 23 23 23
73: 52(ivec4) SpecConstantOp 130 71 72
74: 52(ivec4) SpecConstantOp 132 54 67
75: 52(ivec4) ConstantComposite 28 28 28 28
76: 52(ivec4) SpecConstantOp 135 74 75
77: 52(ivec4) SpecConstantOp 139 54 72
78: 52(ivec4) ConstantComposite 37 37 37 37
79: 52(ivec4) SpecConstantOp 195 54 78
80: 52(ivec4) SpecConstantOp 196 54 67
81: 8(int) Constant 1024
82: 52(ivec4) ConstantComposite 81 81 81 81
83: 52(ivec4) SpecConstantOp 197 54 82
84: 10(int) Constant 2048
85: 55(ivec4) ConstantComposite 84 84 84 84
86: 55(ivec4) SpecConstantOp 198 58 85
87: 10(int) Constant 0
88: 8(int) SpecConstantOp 81 54 0
89: TypeVector 8(int) 2
90: 89(ivec2) SpecConstantOp 79 54 54 1(GLSL.std.450) 0
91: TypeVector 8(int) 3
92: 91(ivec3) SpecConstantOp 79 54 54 2 1(GLSL.std.450) 0
93: 52(ivec4) SpecConstantOp 79 54 54 1(GLSL.std.450) 2 0 3
6: TypeInt 32 1
7: TypeFunction 6(int)
10: 6(int) SpecConstant 10
11: 6(int) Constant 2
12: 6(int) SpecConstantOp 128 10 11
13: TypeArray 6(int) 12
14: TypePointer Function 13
16: 6(int) Constant 1
17: 6(int) SpecConstantOp 128 10 16
18: TypePointer Function 6(int)
23: TypeFloat 32
24: 23(float) SpecConstant 1078530010
25: TypeInt 32 0
26: 25(int) SpecConstant 100
27: 6(int) SpecConstant 4294967286
28: TypeFloat 64
29: 28(float) SpecConstantOp 115 24
30: 23(float) SpecConstantOp 115 29
31: 6(int) SpecConstantOp 126 10
32: 6(int) SpecConstantOp 200 10
33: 6(int) SpecConstantOp 128 10 11
34: 6(int) SpecConstantOp 128 10 11
35: 6(int) Constant 3
36: 6(int) SpecConstantOp 130 34 35
37: 6(int) Constant 4
38: 6(int) SpecConstantOp 130 33 37
39: 6(int) SpecConstantOp 132 27 11
40: 25(int) Constant 2
41: 25(int) SpecConstantOp 132 26 40
42: 6(int) Constant 5
43: 6(int) SpecConstantOp 135 39 42
44: 25(int) Constant 5
45: 25(int) SpecConstantOp 134 41 44
46: 6(int) SpecConstantOp 139 27 37
47: 25(int) Constant 4
48: 25(int) SpecConstantOp 137 26 47
49: 6(int) SpecConstantOp 132 27 35
50: 6(int) SpecConstantOp 135 49 42
51: 6(int) Constant 10
52: 6(int) SpecConstantOp 195 27 51
53: 6(int) Constant 20
54: 25(int) SpecConstantOp 194 26 53
55: 6(int) SpecConstantOp 196 27 16
56: 25(int) SpecConstantOp 196 26 11
57: 6(int) Constant 256
58: 6(int) SpecConstantOp 197 27 57
59: 25(int) Constant 512
60: 25(int) SpecConstantOp 198 26 59
61: TypeBool
62: 61(bool) SpecConstantOp 177 10 27
63: 61(bool) SpecConstantOp 170 26 26
64: 61(bool) SpecConstantOp 173 10 27
65: TypeVector 6(int) 4
66: 6(int) Constant 30
67: 65(ivec4) SpecConstantComposite 53 66 10 10
68: TypeVector 25(int) 4
69: 25(int) Constant 4294967295
70: 25(int) Constant 4294967294
71: 68(ivec4) SpecConstantComposite 26 26 69 70
72: TypeVector 23(float) 4
73: 23(float) Constant 1067450368
74: 72(fvec4) SpecConstantComposite 24 73 24 73
75: TypeVector 28(float) 4
76: 75(fvec4) SpecConstantOp 115 74
77: 72(fvec4) SpecConstantOp 115 76
78: 65(ivec4) SpecConstantOp 200 67
79: 65(ivec4) SpecConstantOp 126 67
80: 65(ivec4) ConstantComposite 11 11 11 11
81: 65(ivec4) SpecConstantOp 128 67 80
82: 65(ivec4) SpecConstantOp 128 67 80
83: 65(ivec4) ConstantComposite 35 35 35 35
84: 65(ivec4) SpecConstantOp 130 82 83
85: 65(ivec4) ConstantComposite 37 37 37 37
86: 65(ivec4) SpecConstantOp 130 84 85
87: 65(ivec4) SpecConstantOp 132 67 80
88: 65(ivec4) ConstantComposite 42 42 42 42
89: 65(ivec4) SpecConstantOp 135 87 88
90: 65(ivec4) SpecConstantOp 139 67 85
91: 65(ivec4) ConstantComposite 51 51 51 51
92: 65(ivec4) SpecConstantOp 195 67 91
93: 65(ivec4) SpecConstantOp 196 67 80
94: 6(int) Constant 1024
95: 65(ivec4) ConstantComposite 94 94 94 94
96: 65(ivec4) SpecConstantOp 197 67 95
97: 25(int) Constant 2048
98: 68(ivec4) ConstantComposite 97 97 97 97
99: 68(ivec4) SpecConstantOp 198 71 98
100: 25(int) Constant 0
101: 6(int) SpecConstantOp 81 67 0
102: TypeVector 6(int) 2
103: 102(ivec2) SpecConstantOp 79 67 67 1(GLSL.std.450) 0
104: TypeVector 6(int) 3
105: 104(ivec3) SpecConstantOp 79 67 67 2 1(GLSL.std.450) 0
106: 65(ivec4) SpecConstantOp 79 67 67 1(GLSL.std.450) 2 0 3
4(main): 2 Function None 3
5: Label
Return
FunctionEnd
8(non_const_array_size_from_spec_const(): 6(int) Function None 7
9: Label
15(array): 14(ptr) Variable Function
19: 18(ptr) AccessChain 15(array) 17
20: 6(int) Load 19
ReturnValue 20
FunctionEnd

5
Test/spv.specConstantOperations.vert
View File

@ -86,5 +86,10 @@ const ivec2 iv_yx = iv.yx;
const ivec3 iv_zyx = iv.zyx;
const ivec4 iv_yzxw = iv.yzxw;
int non_const_array_size_from_spec_const() {
int array[sp_int + 2];
return array[sp_int + 1];
}
void main() {}