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GLSL: Promote HLSL entry-point renaming code to be used by GLSL as well.

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Fixes #1045.
This commit is contained in:
John Kessenich 2017-09-11 21:48:19 -06:00
parent 4f4683d251
commit 9855bdad00
16 changed files with 1066 additions and 957 deletions
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45
Test/baseResults/glsl.entryPointRename.vert.bad.out Normal file
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@ -0,0 +1,45 @@
glsl.entryPointRename.vert
ERROR: Source entry point must be "main"
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 20
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Vertex 4 "foo" 13
Source GLSL 460
Name 4 "foo"
Name 11 "gl_PerVertex"
MemberName 11(gl_PerVertex) 0 "gl_Position"
MemberName 11(gl_PerVertex) 1 "gl_PointSize"
MemberName 11(gl_PerVertex) 2 "gl_ClipDistance"
MemberName 11(gl_PerVertex) 3 "gl_CullDistance"
Name 13 ""
MemberDecorate 11(gl_PerVertex) 0 BuiltIn Position
MemberDecorate 11(gl_PerVertex) 1 BuiltIn PointSize
MemberDecorate 11(gl_PerVertex) 2 BuiltIn ClipDistance
MemberDecorate 11(gl_PerVertex) 3 BuiltIn CullDistance
Decorate 11(gl_PerVertex) Block
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypeInt 32 0
9: 8(int) Constant 1
10: TypeArray 6(float) 9
11(gl_PerVertex): TypeStruct 7(fvec4) 6(float) 10 10
12: TypePointer Output 11(gl_PerVertex)
13: 12(ptr) Variable Output
14: TypeInt 32 1
15: 14(int) Constant 0
16: 6(float) Constant 1065353216
17: 7(fvec4) ConstantComposite 16 16 16 16
18: TypePointer Output 7(fvec4)
4(foo): 2 Function None 3
5: Label
19: 18(ptr) AccessChain 13 15
Store 19 17
Return
FunctionEnd

43
Test/baseResults/glsl.entryPointRename.vert.out Normal file
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@ -0,0 +1,43 @@
glsl.entryPointRename.vert
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 20
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Vertex 4 "foo" 13
Source GLSL 460
Name 4 "foo"
Name 11 "gl_PerVertex"
MemberName 11(gl_PerVertex) 0 "gl_Position"
MemberName 11(gl_PerVertex) 1 "gl_PointSize"
MemberName 11(gl_PerVertex) 2 "gl_ClipDistance"
MemberName 11(gl_PerVertex) 3 "gl_CullDistance"
Name 13 ""
MemberDecorate 11(gl_PerVertex) 0 BuiltIn Position
MemberDecorate 11(gl_PerVertex) 1 BuiltIn PointSize
MemberDecorate 11(gl_PerVertex) 2 BuiltIn ClipDistance
MemberDecorate 11(gl_PerVertex) 3 BuiltIn CullDistance
Decorate 11(gl_PerVertex) Block
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypeInt 32 0
9: 8(int) Constant 1
10: TypeArray 6(float) 9
11(gl_PerVertex): TypeStruct 7(fvec4) 6(float) 10 10
12: TypePointer Output 11(gl_PerVertex)
13: 12(ptr) Variable Output
14: TypeInt 32 1
15: 14(int) Constant 0
16: 6(float) Constant 1065353216
17: 7(fvec4) ConstantComposite 16 16 16 16
18: TypePointer Output 7(fvec4)
4(foo): 2 Function None 3
5: Label
19: 18(ptr) AccessChain 13 15
Store 19 17
Return
FunctionEnd

4
Test/baseResults/glsl.entryPointRename2.vert.out Normal file
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@ -0,0 +1,4 @@
glsl.entryPointRename2.vert
ERROR: Linking vertex stage: Missing entry point: Each stage requires one entry point
SPIR-V is not generated for failed compile or link

11
Test/glsl.entryPointRename.vert Normal file
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@ -0,0 +1,11 @@
#version 460
void bar()
{
gl_Position = vec4(1);
}
void main()
{
gl_Position = vec4(1);
}

6
Test/glsl.entryPointRename2.vert Normal file
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@ -0,0 +1,6 @@
#version 460
void bar()
{
gl_Position = vec4(1);
}

10
Test/runtests
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@ -156,6 +156,16 @@ $EXE --target-env opengl spv.targetOpenGL.vert || HASERROR=1
$EXE -V100 spv.targetVulkan.vert || HASERROR=1
$EXE -G100 spv.targetOpenGL.vert || HASERROR=1
#
# Testing GLSL entry point rename
#
$EXE -H -e foo --source-entrypoint main glsl.entryPointRename.vert > $TARGETDIR/glsl.entryPointRename.vert.out
diff -b $BASEDIR/glsl.entryPointRename.vert.out $TARGETDIR/glsl.entryPointRename.vert.out || HASERROR=1
$EXE -H -e foo --source-entrypoint bar glsl.entryPointRename.vert > $TARGETDIR/glsl.entryPointRename.vert.bad.out
diff -b $BASEDIR/glsl.entryPointRename.vert.bad.out $TARGETDIR/glsl.entryPointRename.vert.bad.out || HASERROR=1
$EXE -H -e foo --source-entrypoint main glsl.entryPointRename2.vert > $TARGETDIR/glsl.entryPointRename2.vert.out
diff -b $BASEDIR/glsl.entryPointRename2.vert.out $TARGETDIR/glsl.entryPointRename2.vert.out || HASERROR=1
#
# Final checking
#

8
glslang/MachineIndependent/ParseHelper.cpp
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@ -49,9 +49,10 @@ namespace glslang {
TParseContext::TParseContext(TSymbolTable& symbolTable, TIntermediate& interm, bool parsingBuiltins,
int version, EProfile profile, const SpvVersion& spvVersion, EShLanguage language,
TInfoSink& infoSink, bool forwardCompatible, EShMessages messages) :
TInfoSink& infoSink, bool forwardCompatible, EShMessages messages,
const TString* entryPoint) :
TParseContextBase(symbolTable, interm, parsingBuiltins, version, profile, spvVersion, language,
infoSink, forwardCompatible, messages),
infoSink, forwardCompatible, messages, entryPoint),
inMain(false),
blockName(nullptr),
limits(resources.limits),
@ -88,6 +89,9 @@ TParseContext::TParseContext(TSymbolTable& symbolTable, TIntermediate& interm, b
if (language == EShLangGeometry)
globalOutputDefaults.layoutStream = 0;
if (entryPoint != nullptr && entryPoint->size() > 0 && *entryPoint != "main")
infoSink.info.message(EPrefixError, "Source entry point must be \"main\"");
}
TParseContext::~TParseContext()

21
glslang/MachineIndependent/ParseHelper.h
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@ -74,7 +74,8 @@ class TParseContextBase : public TParseVersions {
public:
TParseContextBase(TSymbolTable& symbolTable, TIntermediate& interm, bool parsingBuiltins, int version,
EProfile profile, const SpvVersion& spvVersion, EShLanguage language,
TInfoSink& infoSink, bool forwardCompatible, EShMessages messages)
TInfoSink& infoSink, bool forwardCompatible, EShMessages messages,
const TString* entryPoint = nullptr)
: TParseVersions(interm, version, profile, spvVersion, language, infoSink, forwardCompatible, messages),
scopeMangler("::"),
symbolTable(symbolTable),
@ -84,7 +85,10 @@ public:
parsingBuiltins(parsingBuiltins), scanContext(nullptr), ppContext(nullptr),
limits(resources.limits),
globalUniformBlock(nullptr)
{ }
{
if (entryPoint != nullptr)
sourceEntryPointName = *entryPoint;
}
virtual ~TParseContextBase() { }
virtual void C_DECL error(const TSourceLoc&, const char* szReason, const char* szToken,
@ -141,6 +145,15 @@ public:
// Manage the global uniform block (default uniforms in GLSL, $Global in HLSL)
virtual void growGlobalUniformBlock(const TSourceLoc&, TType&, const TString& memberName, TTypeList* typeList = nullptr);
// Potentially rename shader entry point function
void renameShaderFunction(TString*& name) const
{
// Replace the entry point name given in the shader with the real entry point name,
// if there is a substitution.
if (name != nullptr && *name == sourceEntryPointName)
name = NewPoolTString(intermediate.getEntryPointName().c_str());
}
virtual bool lValueErrorCheck(const TSourceLoc&, const char* op, TIntermTyped*);
virtual void rValueErrorCheck(const TSourceLoc&, const char* op, TIntermTyped*);
@ -173,6 +186,7 @@ protected:
TPpContext* ppContext;
TBuiltInResource resources;
TLimits& limits;
TString sourceEntryPointName;
// These, if set, will be called when a line, pragma ... is preprocessed.
// They will be called with any parameters to the original directive.
@ -249,7 +263,8 @@ protected:
class TParseContext : public TParseContextBase {
public:
TParseContext(TSymbolTable&, TIntermediate&, bool parsingBuiltins, int version, EProfile, const SpvVersion& spvVersion, EShLanguage, TInfoSink&,
bool forwardCompatible = false, EShMessages messages = EShMsgDefault);
bool forwardCompatible = false, EShMessages messages = EShMsgDefault,
const TString* entryPoint = nullptr);
virtual ~TParseContext();
bool obeyPrecisionQualifiers() const { return precisionManager.respectingPrecisionQualifiers(); };

14
glslang/MachineIndependent/ShaderLang.cpp
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@ -91,18 +91,16 @@ TParseContextBase* CreateParseContext(TSymbolTable& symbolTable, TIntermediate&
int version, EProfile profile, EShSource source,
EShLanguage language, TInfoSink& infoSink,
SpvVersion spvVersion, bool forwardCompatible, EShMessages messages,
bool parsingBuiltIns, const std::string sourceEntryPointName = "")
bool parsingBuiltIns, std::string sourceEntryPointName = "")
{
#ifndef ENABLE_HLSL
(void)sourceEntryPointName; // Unused argument.
#endif
switch (source) {
case EShSourceGlsl:
case EShSourceGlsl: {
if (sourceEntryPointName.size() == 0)
intermediate.setEntryPointName("main");
TString entryPoint = sourceEntryPointName.c_str();
return new TParseContext(symbolTable, intermediate, parsingBuiltIns, version, profile, spvVersion,
language, infoSink, forwardCompatible, messages);
language, infoSink, forwardCompatible, messages, &entryPoint);
}
#ifdef ENABLE_HLSL
case EShSourceHlsl:
return new HlslParseContext(symbolTable, intermediate, parsingBuiltIns, version, profile, spvVersion,

5
glslang/MachineIndependent/glslang.y
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@ -860,6 +860,11 @@ function_header
// Add the function as a prototype after parsing it (we do not support recursion)
TFunction *function;
TType type($1);
// Potentially rename shader entry point function. No-op most of the time.
parseContext.renameShaderFunction($2.string);
// Make the function
function = new TFunction($2.string, type);
$$ = function;
}

1818
glslang/MachineIndependent/glslang_tab.cpp
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File diff suppressed because it is too large Load Diff

8
glslang/MachineIndependent/glslang_tab.cpp.h
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@ -1,8 +1,8 @@
/* A Bison parser, made by GNU Bison 3.0.4. */
/* A Bison parser, made by GNU Bison 3.0. */
/* Bison interface for Yacc-like parsers in C
Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -345,7 +345,7 @@ extern int yydebug;
/* Value type. */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
typedef union YYSTYPE YYSTYPE;
union YYSTYPE
{
#line 68 "MachineIndependent/glslang.y" /* yacc.c:1909 */
@ -384,8 +384,6 @@ union YYSTYPE
#line 386 "MachineIndependent/glslang_tab.cpp.h" /* yacc.c:1909 */
};
typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif

6
hlsl/hlslGrammar.cpp
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@ -387,7 +387,7 @@ bool HlslGrammar::acceptDeclaration(TIntermNode*& nodeList)
HlslToken idToken;
TIntermAggregate* initializers = nullptr;
while (acceptIdentifier(idToken)) {
const TString *fullName = idToken.string;
TString *fullName = idToken.string;
if (parseContext.symbolTable.atGlobalLevel())
parseContext.getFullNamespaceName(fullName);
if (peekTokenClass(EHTokLeftParen)) {
@ -2263,12 +2263,12 @@ bool HlslGrammar::acceptStructDeclarationList(TTypeList*& typeList, TIntermNode*
//
// Expects type to have EvqGlobal for a static member and
// EvqTemporary for non-static member.
bool HlslGrammar::acceptMemberFunctionDefinition(TIntermNode*& nodeList, const TType& type, const TString& memberName,
bool HlslGrammar::acceptMemberFunctionDefinition(TIntermNode*& nodeList, const TType& type, TString& memberName,
TFunctionDeclarator& declarator)
{
bool accepted = false;
const TString* functionName = &memberName;
TString* functionName = &memberName;
parseContext.getFullNamespaceName(functionName);
declarator.function = new TFunction(functionName, type);
if (type.getQualifier().storage == EvqTemporary)

2
hlsl/hlslGrammar.h
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@ -91,7 +91,7 @@ namespace glslang {
bool acceptConstantBufferType(TType&);
bool acceptStruct(TType&, TIntermNode*& nodeList);
bool acceptStructDeclarationList(TTypeList*&, TIntermNode*& nodeList, TVector<TFunctionDeclarator>&);
bool acceptMemberFunctionDefinition(TIntermNode*& nodeList, const TType&, const TString& memberName,
bool acceptMemberFunctionDefinition(TIntermNode*& nodeList, const TType&, TString& memberName,
TFunctionDeclarator&);
bool acceptFunctionParameters(TFunction&);
bool acceptParameterDeclaration(TFunction&);

14
hlsl/hlslParseHelper.cpp
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@ -58,11 +58,10 @@ HlslParseContext::HlslParseContext(TSymbolTable& symbolTable, TIntermediate& int
const TString sourceEntryPointName,
bool forwardCompatible, EShMessages messages) :
TParseContextBase(symbolTable, interm, parsingBuiltins, version, profile, spvVersion, language, infoSink,
forwardCompatible, messages),
forwardCompatible, messages, &sourceEntryPointName),
annotationNestingLevel(0),
inputPatch(nullptr),
nextInLocation(0), nextOutLocation(0),
sourceEntryPointName(sourceEntryPointName),
entryPointFunction(nullptr),
entryPointFunctionBody(nullptr),
gsStreamOutput(nullptr),
@ -8710,7 +8709,7 @@ void HlslParseContext::popNamespace()
// Use the class/struct nesting string to create a global name for
// a member of a class/struct.
void HlslParseContext::getFullNamespaceName(const TString*& name) const
void HlslParseContext::getFullNamespaceName(TString*& name) const
{
if (currentTypePrefix.size() == 0)
return;
@ -8726,15 +8725,6 @@ void HlslParseContext::addScopeMangler(TString& name)
name.append(scopeMangler);
}
// Potentially rename shader entry point function
void HlslParseContext::renameShaderFunction(const TString*& name) const
{
// Replace the entry point name given in the shader with the real entry point name,
// if there is a substitution.
if (name != nullptr && *name == sourceEntryPointName)
name = NewPoolTString(intermediate.getEntryPointName().c_str());
}
// Return true if this has uniform-interface like decorations.
bool HlslParseContext::hasUniform(const TQualifier& qualifier) const
{

6
hlsl/hlslParseHelper.h
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@ -182,7 +182,7 @@ public:
void pushNamespace(const TString& name);
void popNamespace();
void getFullNamespaceName(const TString*&) const;
void getFullNamespaceName(TString*&) const;
void addScopeMangler(TString&);
void pushSwitchSequence(TIntermSequence* sequence) { switchSequenceStack.push_back(sequence); }
@ -207,9 +207,6 @@ public:
// Determine loop control from attributes
TLoopControl handleLoopControl(const TAttributeMap& attributes) const;
// Potentially rename shader entry point function
void renameShaderFunction(const TString*& name) const;
// Share struct buffer deep types
void shareStructBufferType(TType&);
@ -423,7 +420,6 @@ protected:
unsigned int nextInLocation;
unsigned int nextOutLocation;
TString sourceEntryPointName;
TFunction* entryPointFunction;
TIntermNode* entryPointFunctionBody;