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HLSL: Do structure conversion for return type struct-punning on non-entry-point functions.

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This commit is contained in:
John Kessenich 2016-10-06 12:59:51 -06:00
parent 7a7217c81b
commit ed33e05762
9 changed files with 167 additions and 20 deletions
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26
SPIRV/GlslangToSpv.cpp
View File

@ -172,6 +172,7 @@ protected:
spv::Id getExtBuiltins(const char* name);
spv::Function* shaderEntry;
spv::Function* currentFunction;
spv::Instruction* entryPoint;
int sequenceDepth;
@ -733,7 +734,8 @@ bool HasNonLayoutQualifiers(const glslang::TType& type, const glslang::TQualifie
//
TGlslangToSpvTraverser::TGlslangToSpvTraverser(const glslang::TIntermediate* glslangIntermediate, spv::SpvBuildLogger* buildLogger)
: TIntermTraverser(true, false, true), shaderEntry(0), sequenceDepth(0), logger(buildLogger),
: TIntermTraverser(true, false, true), shaderEntry(nullptr), currentFunction(nullptr),
sequenceDepth(0), logger(buildLogger),
builder((glslang::GetKhronosToolId() << 16) | GeneratorVersion, logger),
inMain(false), mainTerminated(false), linkageOnly(false),
glslangIntermediate(glslangIntermediate)
@ -1351,6 +1353,7 @@ bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TInt
if (isShaderEntryPoint(node)) {
inMain = true;
builder.setBuildPoint(shaderEntry->getLastBlock());
currentFunction = shaderEntry;
} else {
handleFunctionEntry(node);
}
@ -1858,9 +1861,18 @@ bool TGlslangToSpvTraverser::visitBranch(glslang::TVisit /* visit */, glslang::T
builder.createLoopContinue();
break;
case glslang::EOpReturn:
if (node->getExpression())
builder.makeReturn(false, accessChainLoad(node->getExpression()->getType()));
else
if (node->getExpression()) {
const glslang::TType& glslangReturnType = node->getExpression()->getType();
spv::Id returnId = accessChainLoad(glslangReturnType);
if (builder.getTypeId(returnId) != currentFunction->getReturnType()) {
builder.clearAccessChain();
spv::Id copyId = builder.createVariable(spv::StorageClassFunction, currentFunction->getReturnType());
builder.setAccessChainLValue(copyId);
multiTypeStore(glslangReturnType, returnId);
returnId = builder.createLoad(copyId);
}
builder.makeReturn(false, returnId);
} else
builder.makeReturn(false);
builder.clearAccessChain();
@ -2332,7 +2344,7 @@ void TGlslangToSpvTraverser::accessChainStore(const glslang::TType& type, spv::I
// SPIR-V level.
//
// This especially happens when a single glslang type expands to multiple
// SPIR-V types, like a struct that is used in an member-undecorated way as well
// SPIR-V types, like a struct that is used in a member-undecorated way as well
// as in a member-decorated way.
//
// NOTE: This function can handle any store request; if it's not special it
@ -2599,8 +2611,8 @@ void TGlslangToSpvTraverser::handleFunctionEntry(const glslang::TIntermAggregate
{
// SPIR-V functions should already be in the functionMap from the prepass
// that called makeFunctions().
spv::Function* function = functionMap[node->getName().c_str()];
spv::Block* functionBlock = function->getEntryBlock();
currentFunction = functionMap[node->getName().c_str()];
spv::Block* functionBlock = currentFunction->getEntryBlock();
builder.setBuildPoint(functionBlock);
}

113
Test/baseResults/hlsl.multiReturn.frag.out Executable file
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@ -0,0 +1,113 @@
hlsl.multiReturn.frag
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:12 Function Definition: foo( (temp structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m})
0:12 Function Parameters:
0:? Sequence
0:13 Branch: Return with expression
0:13 s: direct index for structure (layout(row_major std140 ) uniform structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m})
0:13 'anon@0' (layout(row_major std140 ) uniform block{layout(row_major std140 ) uniform structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m} s})
0:13 Constant:
0:13 0 (const uint)
0:17 Function Definition: main( (temp void)
0:17 Function Parameters:
0:? Sequence
0:18 Function Call: foo( (temp structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m})
0:? Linker Objects
0:? 'anon@0' (layout(row_major std140 ) uniform block{layout(row_major std140 ) uniform structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m} s})
Linked fragment stage:
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:12 Function Definition: foo( (temp structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m})
0:12 Function Parameters:
0:? Sequence
0:13 Branch: Return with expression
0:13 s: direct index for structure (layout(row_major std140 ) uniform structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m})
0:13 'anon@0' (layout(row_major std140 ) uniform block{layout(row_major std140 ) uniform structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m} s})
0:13 Constant:
0:13 0 (const uint)
0:17 Function Definition: main( (temp void)
0:17 Function Parameters:
0:? Sequence
0:18 Function Call: foo( (temp structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m})
0:? Linker Objects
0:? 'anon@0' (layout(row_major std140 ) uniform block{layout(row_major std140 ) uniform structure{temp float f, temp 3-component vector of float v, temp 3X3 matrix of float m} s})
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 39
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main"
ExecutionMode 4 OriginUpperLeft
Name 4 "main"
Name 9 "S"
MemberName 9(S) 0 "f"
MemberName 9(S) 1 "v"
MemberName 9(S) 2 "m"
Name 11 "foo("
Name 13 "S"
MemberName 13(S) 0 "f"
MemberName 13(S) 1 "v"
MemberName 13(S) 2 "m"
Name 14 "bufName"
MemberName 14(bufName) 0 "s"
Name 16 ""
MemberDecorate 13(S) 0 Offset 0
MemberDecorate 13(S) 1 Offset 16
MemberDecorate 13(S) 2 RowMajor
MemberDecorate 13(S) 2 Offset 32
MemberDecorate 13(S) 2 MatrixStride 16
MemberDecorate 14(bufName) 0 Offset 0
Decorate 14(bufName) Block
Decorate 16 DescriptorSet 0
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 3
8: TypeMatrix 7(fvec3) 3
9(S): TypeStruct 6(float) 7(fvec3) 8
10: TypeFunction 9(S)
13(S): TypeStruct 6(float) 7(fvec3) 8
14(bufName): TypeStruct 13(S)
15: TypePointer Uniform 14(bufName)
16: 15(ptr) Variable Uniform
17: TypeInt 32 1
18: 17(int) Constant 0
19: TypePointer Uniform 13(S)
22: TypePointer Function 9(S)
25: TypePointer Function 6(float)
28: 17(int) Constant 1
29: TypePointer Function 7(fvec3)
32: 17(int) Constant 2
33: TypePointer Function 8
4(main): 2 Function None 3
5: Label
38: 9(S) FunctionCall 11(foo()
Return
FunctionEnd
11(foo(): 9(S) Function None 10
12: Label
23: 22(ptr) Variable Function
20: 19(ptr) AccessChain 16 18
21: 13(S) Load 20
24: 6(float) CompositeExtract 21 0
26: 25(ptr) AccessChain 23 18
Store 26 24
27: 7(fvec3) CompositeExtract 21 1
30: 29(ptr) AccessChain 23 28
Store 30 27
31: 8 CompositeExtract 21 2
34: 33(ptr) AccessChain 23 32
Store 34 31
35: 9(S) Load 23
ReturnValue 35
FunctionEnd

15
Test/baseResults/remap.hlsl.templatetypes.everything.frag.out
View File

@ -5,7 +5,7 @@ Linked fragment stage:
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 16123
// Id's are bound by 9012
Capability Shader
Capability Float64
@ -20,11 +20,12 @@ Linked fragment stage:
13: TypeFloat 32
29: TypeVector 13(float) 4
2572: 13(float) Constant 0
666: TypePointer Output 29(fvec4)
4045: 666(ptr) Variable Output
667: TypePointer Input 29(fvec4)
4872: 667(ptr) Variable Input
650: TypePointer Output 13(float)
4045: 650(ptr) Variable Output
666: TypePointer Input 29(fvec4)
4872: 666(ptr) Variable Input
5663: 8 Function None 1282
16122: Label
ReturnValue 2572
9011: Label
Store 4045 2572
Return
FunctionEnd

5
Test/baseResults/remap.hlsl.templatetypes.none.frag.out
View File

@ -159,7 +159,7 @@ Linked fragment stage:
142: 69(fvec3) ConstantComposite 109 111 112
143: 69(fvec3) ConstantComposite 113 114 116
144: 139 ConstantComposite 72 126 142 143
145: TypePointer Output 7(fvec4)
145: TypePointer Output 6(float)
146(@entryPointOutput): 145(ptr) Variable Output
147: TypePointer Input 7(fvec4)
148(input): 147(ptr) Variable Input
@ -221,5 +221,6 @@ Linked fragment stage:
Store 130(r62) 133
Store 136(r65) 138
Store 141(r66) 144
ReturnValue 106
Store 146(@entryPointOutput) 106
Return
FunctionEnd

19
Test/hlsl.multiReturn.frag Executable file
View File

@ -0,0 +1,19 @@
struct S {
float f;
float3 v;
float3x3 m;
};
cbuffer bufName {
S s;
};
S foo()
{
return s;
}
void main()
{
foo();
}

2
Test/remap.hlsl.templatetypes.everything.frag
View File

@ -1,5 +1,5 @@
float4 main(float4 input) : COLOR0
float main(float4 input) : COLOR0
{
vector r00 = float4(1,2,3,4); // vector means float4
float4 r01 = vector(2,3,4,5); // vector means float4

2
Test/remap.hlsl.templatetypes.none.frag
View File

@ -1,5 +1,5 @@
float4 main(float4 input) : COLOR0
float main(float4 input) : COLOR0
{
vector r00 = float4(1,2,3,4); // vector means float4
float4 r01 = vector(2,3,4,5); // vector means float4

4
glslang/Include/revision.h
View File

@ -2,5 +2,5 @@
// For the version, it uses the latest git tag followed by the number of commits.
// For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "Overload400-PrecQual.1553"
#define GLSLANG_DATE "05-Oct-2016"
#define GLSLANG_REVISION "Overload400-PrecQual.1556"
#define GLSLANG_DATE "06-Oct-2016"

1
gtests/Hlsl.FromFile.cpp
View File

@ -140,6 +140,7 @@ INSTANTIATE_TEST_CASE_P(
{"hlsl.load.offset.dx10.frag", "main"},
{"hlsl.load.offsetarray.dx10.frag", "main"},
{"hlsl.multiEntry.vert", "RealEntrypoint"},
{"hlsl.multiReturn.frag", "main"},
{"hlsl.matrixindex.frag", "main"},
{"hlsl.numericsuffixes.frag", "main"},
{"hlsl.overload.frag", "PixelShaderFunction"},