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Commit a22f7dbb by steve-lunarg
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HLSL: Allow expressions in attributes

For example: [numthreads(2+2, 2*3, (1+FOO)*BAR)] This will result in a thread count (4, 6, 8).
parent d3f1122a
Showing with 167 additions and 11 deletions
Test/baseResults/hlsl.attribute.expression.comp.out 0 → 100644
hlsl.attribute.expression.comp
Shader version: 450
local_size = (4, 6, 8)
0:? Sequence
0:9 Function Definition: main( (temp 4-component vector of float)
0:9 Function Parameters:
0:? Sequence
0:11 Sequence
0:11 move second child to first child (temp int)
0:11 'x' (temp int)
0:11 Constant:
0:11 0 (const int)
0:11 Loop with condition tested first
0:11 Loop Condition
0:11 Compare Less Than (temp bool)
0:11 'x' (temp int)
0:11 bound: direct index for structure (layout(offset=0 ) uniform int)
0:11 'anon@0' (layout(row_major std140 ) uniform block{layout(offset=0 ) uniform int bound})
0:11 Constant:
0:11 0 (const uint)
0:11 No loop body
0:11 Loop Terminal Expression
0:11 Pre-Increment (temp int)
0:11 'x' (temp int)
0:14 Sequence
0:14 move second child to first child (temp 4-component vector of float)
0:? '@entryPointOutput' (layout(location=0 ) out 4-component vector of float)
0:? Constant:
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:14 Branch: Return
0:? Linker Objects
0:? '@entryPointOutput' (layout(location=0 ) out 4-component vector of float)
0:? 'anon@0' (layout(row_major std140 ) uniform block{layout(offset=0 ) uniform int bound})
Linked compute stage:
Shader version: 450
local_size = (4, 6, 8)
0:? Sequence
0:9 Function Definition: main( (temp 4-component vector of float)
0:9 Function Parameters:
0:? Sequence
0:11 Sequence
0:11 move second child to first child (temp int)
0:11 'x' (temp int)
0:11 Constant:
0:11 0 (const int)
0:11 Loop with condition tested first
0:11 Loop Condition
0:11 Compare Less Than (temp bool)
0:11 'x' (temp int)
0:11 bound: direct index for structure (layout(offset=0 ) uniform int)
0:11 'anon@0' (layout(row_major std140 ) uniform block{layout(offset=0 ) uniform int bound})
0:11 Constant:
0:11 0 (const uint)
0:11 No loop body
0:11 Loop Terminal Expression
0:11 Pre-Increment (temp int)
0:11 'x' (temp int)
0:14 Sequence
0:14 move second child to first child (temp 4-component vector of float)
0:? '@entryPointOutput' (layout(location=0 ) out 4-component vector of float)
0:? Constant:
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:? 0.000000
0:14 Branch: Return
0:? Linker Objects
0:? '@entryPointOutput' (layout(location=0 ) out 4-component vector of float)
0:? 'anon@0' (layout(row_major std140 ) uniform block{layout(offset=0 ) uniform int bound})
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 34
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint GLCompute 4 "main" 30
ExecutionMode 4 LocalSize 4 6 8
Name 4 "main"
Name 8 "x"
Name 16 "$Global"
MemberName 16($Global) 0 "bound"
Name 18 ""
Name 30 "@entryPointOutput"
MemberDecorate 16($Global) 0 Offset 0
Decorate 16($Global) Block
Decorate 18 DescriptorSet 0
Decorate 30(@entryPointOutput) Location 0
2: TypeVoid
3: TypeFunction 2
6: TypeInt 32 1
7: TypePointer Function 6(int)
9: 6(int) Constant 0
16($Global): TypeStruct 6(int)
17: TypePointer Uniform 16($Global)
18: 17(ptr) Variable Uniform
19: TypePointer Uniform 6(int)
22: TypeBool
25: 6(int) Constant 1
27: TypeFloat 32
28: TypeVector 27(float) 4
29: TypePointer Output 28(fvec4)
30(@entryPointOutput): 29(ptr) Variable Output
31: 27(float) Constant 0
32: 28(fvec4) ConstantComposite 31 31 31 31
4(main): 2 Function None 3
5: Label
8(x): 7(ptr) Variable Function
Store 8(x) 9
Branch 10
10: Label
LoopMerge 12 13 None
Branch 14
14: Label
15: 6(int) Load 8(x)
20: 19(ptr) AccessChain 18 9
21: 6(int) Load 20
23: 22(bool) SLessThan 15 21
BranchConditional 23 11 12
11: Label
Branch 13
13: Label
24: 6(int) Load 8(x)
26: 6(int) IAdd 24 25
Store 8(x) 26
Branch 10
12: Label
Store 30(@entryPointOutput) 32
Return
FunctionEnd
Test/hlsl.attribute.expression.comp 0 → 100644
uniform int bound;
#define FOO 3
#define BAR 2
[numthreads(2+2, 2*3, (1+FOO)*BAR)]
float4 main() : SV_TARGET
{
[unroll(5*2 + 1) ]
for (int x=0; x<bound; ++x)
;
return float4(0,0,0,0);
}
gtests/Hlsl.FromFile.cpp
......@@ -86,6 +86,7 @@ INSTANTIATE_TEST_CASE_P(
{"hlsl.array.multidim.frag", "main"},
{"hlsl.assoc.frag", "PixelShaderFunction"},
{"hlsl.attribute.frag", "PixelShaderFunction"},
{"hlsl.attribute.expression.comp", "main"},
{"hlsl.basic.comp", "main"},
{"hlsl.buffer.frag", "PixelShaderFunction"},
{"hlsl.calculatelod.dx10.frag", "main"},
......
hlsl/hlslGrammar.cpp
......@@ -2453,27 +2453,29 @@ void HlslGrammar::acceptAttributes(TAttributeMap& attributes)
advanceToken();
}
TIntermAggregate* literals = nullptr;
TIntermAggregate* expressions = nullptr;
// (x, ...)
if (acceptTokenClass(EHTokLeftParen)) {
literals = new TIntermAggregate;
expressions = new TIntermAggregate;
TIntermTyped* node;
bool expectingLiteral = false;
bool expectingExpression = false;
while (acceptLiteral(node)) {
expectingLiteral = false;
literals->getSequence().push_back(node);
while (acceptAssignmentExpression(node)) {
expectingExpression = false;
expressions->getSequence().push_back(node);
if (acceptTokenClass(EHTokComma))
expectingLiteral = true;
expectingExpression = true;
}
// 'literals' is an aggregate with the literals in it
// 'expressions' is an aggregate with the expressions in it
if (! acceptTokenClass(EHTokRightParen))
expected(")");
if (expectingLiteral || literals->getSequence().empty())
expected("literal");
// Error for partial or missing expression
if (expectingExpression || expressions->getSequence().empty())
expected("expression");
}
// RIGHT_BRACKET
......@@ -2484,7 +2486,7 @@ void HlslGrammar::acceptAttributes(TAttributeMap& attributes)
// Add any values we found into the attribute map. This accepts
// (and ignores) values not mapping to a known TAttributeType;
attributes.setAttribute(idToken.string, literals);
attributes.setAttribute(idToken.string, expressions);
} while (true);
}
......
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