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SPV: Handle nested opaque types as function parameters.

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This commit is contained in:
John Kessenich 2017-02-24 19:15:46 -07:00
parent 7491234713
commit 4a57dced66
5 changed files with 101 additions and 8 deletions
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11
SPIRV/GlslangToSpv.cpp
View File

@ -251,10 +251,10 @@ spv::StorageClass TranslateStorageClass(const glslang::TType& type)
return spv::StorageClassInput;
else if (type.getQualifier().isPipeOutput())
return spv::StorageClassOutput;
else if (type.getBasicType() == glslang::EbtSampler)
return spv::StorageClassUniformConstant;
else if (type.getBasicType() == glslang::EbtAtomicUint)
return spv::StorageClassAtomicCounter;
else if (type.containsOpaque())
return spv::StorageClassUniformConstant;
else if (type.getQualifier().isUniformOrBuffer()) {
if (type.getQualifier().layoutPushConstant)
return spv::StorageClassPushConstant;
@ -262,7 +262,6 @@ spv::StorageClass TranslateStorageClass(const glslang::TType& type)
return spv::StorageClassUniform;
else
return spv::StorageClassUniformConstant;
// TODO: how are we distinguishing between default and non-default non-writable uniforms? Do default uniforms even exist?
} else {
switch (type.getQualifier().storage) {
case glslang::EvqShared: return spv::StorageClassWorkgroup; break;
@ -2731,7 +2730,7 @@ void TGlslangToSpvTraverser::makeFunctions(const glslang::TIntermSequence& glslF
for (int p = 0; p < (int)parameters.size(); ++p) {
const glslang::TType& paramType = parameters[p]->getAsTyped()->getType();
spv::Id typeId = convertGlslangToSpvType(paramType);
if (paramType.isOpaque())
if (paramType.containsOpaque())
typeId = builder.makePointer(TranslateStorageClass(paramType), typeId);
else if (paramType.getQualifier().storage != glslang::EvqConstReadOnly)
typeId = builder.makePointer(spv::StorageClassFunction, typeId);
@ -3192,7 +3191,7 @@ spv::Id TGlslangToSpvTraverser::handleUserFunctionCall(const glslang::TIntermAgg
glslangArgs[a]->traverse(this);
argTypes.push_back(&paramType);
// keep outputs and opaque objects as l-values, evaluate input-only as r-values
if (qualifiers[a] != glslang::EvqConstReadOnly || paramType.isOpaque()) {
if (qualifiers[a] != glslang::EvqConstReadOnly || paramType.containsOpaque()) {
// save l-value
lValues.push_back(builder.getAccessChain());
} else {
@ -3211,7 +3210,7 @@ spv::Id TGlslangToSpvTraverser::handleUserFunctionCall(const glslang::TIntermAgg
for (int a = 0; a < (int)glslangArgs.size(); ++a) {
const glslang::TType& paramType = glslangArgs[a]->getAsTyped()->getType();
spv::Id arg;
if (paramType.isOpaque()) {
if (paramType.containsOpaque()) {
builder.setAccessChain(lValues[lValueCount]);
arg = builder.accessChainGetLValue();
++lValueCount;

67
Test/baseResults/spv.functionNestedOpaque.vert.out Normal file
View File

@ -0,0 +1,67 @@
spv.functionNestedOpaque.vert
Warning, version 450 is not yet complete; most version-specific features are present, but some are missing.
// 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 Vertex 4 "main"
Source GLSL 450
Name 4 "main"
Name 12 "foo(s21;"
Name 11 "t"
Name 14 "S"
MemberName 14(S) 0 "s"
Name 18 "barc(struct-S-s211;"
Name 17 "p"
Name 21 "bar(struct-S-s211;"
Name 20 "p"
Name 36 "si"
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeImage 6(float) 2D sampled format:Unknown
8: TypeSampledImage 7
9: TypePointer UniformConstant 8
10: TypeFunction 2 9(ptr)
14(S): TypeStruct 8
15: TypePointer UniformConstant 14(S)
16: TypeFunction 2 15(ptr)
24: TypeVector 6(float) 2
25: 6(float) Constant 1056964608
26: 24(fvec2) ConstantComposite 25 25
27: TypeVector 6(float) 4
28: 6(float) Constant 0
30: TypeInt 32 1
31: 30(int) Constant 0
36(si): 15(ptr) Variable UniformConstant
4(main): 2 Function None 3
5: Label
37: 2 FunctionCall 18(barc(struct-S-s211;) 36(si)
38: 2 FunctionCall 21(bar(struct-S-s211;) 36(si)
Return
FunctionEnd
12(foo(s21;): 2 Function None 10
11(t): 9(ptr) FunctionParameter
13: Label
23: 8 Load 11(t)
29: 27(fvec4) ImageSampleExplicitLod 23 26 Lod 28
Return
FunctionEnd
18(barc(struct-S-s211;): 2 Function None 16
17(p): 15(ptr) FunctionParameter
19: Label
32: 9(ptr) AccessChain 17(p) 31
33: 2 FunctionCall 12(foo(s21;) 32
Return
FunctionEnd
21(bar(struct-S-s211;): 2 Function None 16
20(p): 15(ptr) FunctionParameter
22: Label
34: 9(ptr) AccessChain 20(p) 31
35: 2 FunctionCall 12(foo(s21;) 34
Return
FunctionEnd

26
Test/spv.functionNestedOpaque.vert Executable file
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@ -0,0 +1,26 @@
#version 450
uniform struct S {
sampler2D s;
} si;
void foo(sampler2D t)
{
texture(t, vec2(0.5));
}
void barc(const S p)
{
foo(p.s);
}
void bar(S p)
{
foo(p.s);
}
void main()
{
barc(si);
bar(si);
}

4
glslang/Include/revision.h
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@ -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.1843"
#define GLSLANG_DATE "18-Feb-2017"
#define GLSLANG_REVISION "Overload400-PrecQual.1845"
#define GLSLANG_DATE "24-Feb-2017"

1
gtests/Spv.FromFile.cpp
View File

@ -232,6 +232,7 @@ INSTANTIATE_TEST_CASE_P(
"spv.forLoop.frag",
"spv.forwardFun.frag",
"spv.functionCall.frag",
"spv.functionNestedOpaque.vert",
"spv.functionSemantics.frag",
"spv.interpOps.frag",
"spv.int64.frag",