Use GLSLANG_ANGLE to strip features to what ANGLE requires

BUILD.gn

@@ -83,7 +83,6 @@ template("glslang_sources_common") {
       "SPIRV/SpvBuilder.cpp",
       "SPIRV/SpvBuilder.h",
       "SPIRV/SpvPostProcess.cpp",
-      "SPIRV/SpvTools.cpp",
       "SPIRV/SpvTools.h",
       "SPIRV/bitutils.h",
       "SPIRV/disassemble.cpp",
@@ -183,8 +182,12 @@ template("glslang_sources_common") {
 
     defines = []
     if (invoker.enable_opt) {
+      sources += [ "SPIRV/SpvTools.cpp" ]
       defines += [ "ENABLE_OPT=1" ]
     }
+    if (invoker.is_angle) {
+      defines += [ "GLSLANG_ANGLE" ]
+    }
 
     if (is_win) {
       sources += [ "glslang/OSDependent/Windows/ossource.cpp" ]
@@ -228,11 +231,13 @@ template("glslang_sources_common") {
 glslang_sources_common("glslang_lib_sources") {
   enable_opt = !glslang_angle
   enable_hlsl = !glslang_angle
+  is_angle = glslang_angle
 }
 
 glslang_sources_common("glslang_sources") {
   enable_opt = true
   enable_hlsl = true
+  is_angle = false
 }
 
 source_set("glslang_default_resource_limits_sources") {

SPIRV/GlslangToSpv.cpp

@@ -281,6 +281,8 @@ spv::SourceLanguage TranslateSourceLanguage(glslang::EShSource source, EProfile
 {
 #ifdef GLSLANG_WEB
     return spv::SourceLanguageESSL;
+#elif defined(GLSLANG_ANGLE)
+    return spv::SourceLanguageGLSL;
 #endif
 
     switch (source) {
@@ -8684,7 +8686,7 @@ void OutputSpvBin(const std::vector<unsigned int>& spirv, const char* baseName)
 // Write SPIR-V out to a text file with 32-bit hexadecimal words
 void OutputSpvHex(const std::vector<unsigned int>& spirv, const char* baseName, const char* varName)
 {
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     std::ofstream out;
     out.open(baseName, std::ios::binary | std::ios::out);
     if (out.fail())

glslang/MachineIndependent/ShaderLang.cpp

@@ -291,6 +291,9 @@ void InitializeStageSymbolTable(TBuiltInParseables& builtInParseables, int versi
 #ifdef GLSLANG_WEB
     profile = EEsProfile;
     version = 310;
+#elif defined(GLSLANG_ANGLE)
+    profile = ECoreProfile;
+    version = 450;
 #endif
 
     (*symbolTables[language]).adoptLevels(*commonTable[CommonIndex(profile, language)]);
@@ -312,6 +315,9 @@ bool InitializeSymbolTables(TInfoSink& infoSink, TSymbolTable** commonTable,  TS
 #ifdef GLSLANG_WEB
     profile = EEsProfile;
     version = 310;
+#elif defined(GLSLANG_ANGLE)
+    profile = ECoreProfile;
+    version = 450;
 #endif
 
     std::unique_ptr<TBuiltInParseables> builtInParseables(CreateBuiltInParseables(infoSink, source));
@@ -351,7 +357,6 @@ bool InitializeSymbolTables(TInfoSink& infoSink, TSymbolTable** commonTable,  TS
         (profile == EEsProfile && version >= 310))
         InitializeStageSymbolTable(*builtInParseables, version, profile, spvVersion, EShLangGeometry, source,
                                    infoSink, commonTable, symbolTables);
-#endif
 
     // check for compute
     if ((profile != EEsProfile && version >= 420) ||
@@ -359,6 +364,7 @@ bool InitializeSymbolTables(TInfoSink& infoSink, TSymbolTable** commonTable,  TS
         InitializeStageSymbolTable(*builtInParseables, version, profile, spvVersion, EShLangCompute, source,
                                    infoSink, commonTable, symbolTables);
 
+#ifndef GLSLANG_ANGLE
     // check for ray tracing stages
     if (profile != EEsProfile && version >= 450) {
         InitializeStageSymbolTable(*builtInParseables, version, profile, spvVersion, EShLangRayGen, source,
@@ -386,6 +392,8 @@ bool InitializeSymbolTables(TInfoSink& infoSink, TSymbolTable** commonTable,  TS
         (profile == EEsProfile && version >= 320))
         InitializeStageSymbolTable(*builtInParseables, version, profile, spvVersion, EShLangTaskNV, source,
                                    infoSink, commonTable, symbolTables);
+#endif // !GLSLANG_ANGLE
+#endif // !GLSLANG_WEB
 
     return true;
 }
@@ -487,7 +495,7 @@ void SetupBuiltinSymbolTable(int version, EProfile profile, const SpvVersion& sp
 // Function to Print all builtins
 void DumpBuiltinSymbolTable(TInfoSink& infoSink, const TSymbolTable& symbolTable)
 {
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     infoSink.debug << "BuiltinSymbolTable {\n";
 
     symbolTable.dump(infoSink, true);
@@ -591,7 +599,7 @@ bool DeduceVersionProfile(TInfoSink& infoSink, EShLanguage stage, bool versionNo
         break;
     }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     // Correct for stage type...
     switch (stage) {
     case EShLangGeometry:
@@ -867,7 +875,7 @@ bool ProcessDeferred(
                                 : userInput.scanVersion(version, profile, versionNotFirstToken);
     bool versionNotFound = version == 0;
     if (forceDefaultVersionAndProfile && source == EShSourceGlsl) {
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
         if (! (messages & EShMsgSuppressWarnings) && ! versionNotFound &&
             (version != defaultVersion || profile != defaultProfile)) {
             compiler->infoSink.info << "Warning, (version, profile) forced to be ("
@@ -890,10 +898,13 @@ bool ProcessDeferred(
 #ifdef GLSLANG_WEB
     profile = EEsProfile;
     version = 310;
+#elif defined(GLSLANG_ANGLE)
+    profile = ECoreProfile;
+    version = 450;
 #endif
 
     bool versionWillBeError = (versionNotFound || (profile == EEsProfile && version >= 300 && versionNotFirst));
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     bool warnVersionNotFirst = false;
     if (! versionWillBeError && versionNotFirstToken) {
         if (messages & EShMsgRelaxedErrors)
@@ -963,7 +974,7 @@ bool ProcessDeferred(
     parseContext->setLimits(*resources);
     if (! goodVersion)
         parseContext->addError();
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     if (warnVersionNotFirst) {
         TSourceLoc loc;
         loc.init();
@@ -1000,7 +1011,7 @@ bool ProcessDeferred(
     return success;
 }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 // Responsible for keeping track of the most recent source string and line in
 // the preprocessor and outputting newlines appropriately if the source string
@@ -1223,14 +1234,16 @@ struct DoFullParse{
             parseContext.infoSink.info << parseContext.getNumErrors() << " compilation errors.  No code generated.\n\n";
         }
 
+#ifndef GLSLANG_ANGLE
         if (messages & EShMsgAST)
             intermediate.output(parseContext.infoSink, true);
+#endif
 
         return success;
     }
 };
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 // Take a single compilation unit, and run the preprocessor on it.
 // Return: True if there were no issues found in preprocessing,
 //         False if during preprocessing any unknown version, pragmas or
@@ -1860,7 +1873,7 @@ bool TShader::parse(const TBuiltInResource* builtInResources, int defaultVersion
                            &environment);
 }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 // Fill in a string with the result of preprocessing ShaderStrings
 // Returns true if all extensions, pragmas and version strings were valid.
 //
@@ -1898,7 +1911,7 @@ const char* TShader::getInfoDebugLog()
 }
 
 TProgram::TProgram() :
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     reflection(0),
 #endif
     linked(false)
@@ -1914,7 +1927,7 @@ TProgram::TProgram() :
 TProgram::~TProgram()
 {
     delete infoSink;
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     delete reflection;
 #endif
 
@@ -1961,7 +1974,7 @@ bool TProgram::linkStage(EShLanguage stage, EShMessages messages)
     if (stages[stage].size() == 0)
         return true;
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     int numEsShaders = 0, numNonEsShaders = 0;
     for (auto it = stages[stage].begin(); it != stages[stage].end(); ++it) {
         if ((*it)->intermediate->getProfile() == EEsProfile) {
@@ -2015,8 +2028,10 @@ bool TProgram::linkStage(EShLanguage stage, EShMessages messages)
 #endif
     intermediate[stage]->finalCheck(*infoSink, (messages & EShMsgKeepUncalled) != 0);
 
+#ifndef GLSLANG_ANGLE
     if (messages & EShMsgAST)
         intermediate[stage]->output(*infoSink, true);
+#endif
 
     return intermediate[stage]->getNumErrors() == 0;
 }
@@ -2031,7 +2046,7 @@ const char* TProgram::getInfoDebugLog()
     return infoSink->debug.c_str();
 }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 //
 // Reflection implementation.
@@ -2113,6 +2128,6 @@ bool TProgram::mapIO(TIoMapResolver* pResolver, TIoMapper* pIoMapper)
     return ioMapper->doMap(pResolver, *infoSink);
 }
 
-#endif // GLSLANG_WEB
+#endif // !GLSLANG_WEB && !GLSLANG_ANGLE
 
 } // end namespace glslang

glslang/MachineIndependent/SymbolTable.cpp

@@ -178,7 +178,7 @@ void TType::buildMangledName(TString& mangledName) const
     }
 }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 //
 // Dump functions.

glslang/MachineIndependent/SymbolTable.h

@@ -117,7 +117,7 @@ public:
     virtual int getNumExtensions() const { return extensions == nullptr ? 0 : (int)extensions->size(); }
     virtual const char** getExtensions() const { return extensions->data(); }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     virtual void dump(TInfoSink& infoSink, bool complete = false) const = 0;
     void dumpExtensions(TInfoSink& infoSink) const;
 #endif
@@ -196,7 +196,7 @@ public:
     }
     virtual const char** getMemberExtensions(int member) const { return (*memberExtensions)[member].data(); }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     virtual void dump(TInfoSink& infoSink, bool complete = false) const;
 #endif
 
@@ -319,7 +319,7 @@ public:
     virtual TParameter& operator[](int i) { assert(writable); return parameters[i]; }
     virtual const TParameter& operator[](int i) const { return parameters[i]; }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     virtual void dump(TInfoSink& infoSink, bool complete = false) const override;
 #endif
 
@@ -381,7 +381,7 @@ public:
     virtual const char** getExtensions() const override { return anonContainer.getMemberExtensions(memberNumber); }
 
     virtual int getAnonId() const { return anonId; }
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     virtual void dump(TInfoSink& infoSink, bool complete = false) const override;
 #endif
 
@@ -551,7 +551,7 @@ public:
 
     void relateToOperator(const char* name, TOperator op);
     void setFunctionExtensions(const char* name, int num, const char* const extensions[]);
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     void dump(TInfoSink& infoSink, bool complete = false) const;
 #endif
     TSymbolTableLevel* clone() const;
@@ -854,7 +854,7 @@ public:
     }
 
     int getMaxSymbolId() { return uniqueId; }
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     void dump(TInfoSink& infoSink, bool complete = false) const;
 #endif
     void copyTable(const TSymbolTable& copyOf);

glslang/MachineIndependent/intermOut.cpp

@@ -36,7 +36,7 @@
 // POSSIBILITY OF SUCH DAMAGE.
 //
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 #include "localintermediate.h"
 #include "../Include/InfoSink.h"
@@ -1562,4 +1562,4 @@ void TIntermediate::output(TInfoSink& infoSink, bool tree)
 
 } // end namespace glslang
 
-#endif // not GLSLANG_WEB
+#endif // !GLSLANG_WEB && !GLSLANG_ANGLE

glslang/MachineIndependent/iomapper.cpp

@@ -33,7 +33,7 @@
 // POSSIBILITY OF SUCH DAMAGE.
 //
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 #include "../Include/Common.h"
 #include "../Include/InfoSink.h"
@@ -1281,4 +1281,4 @@ bool TGlslIoMapper::doMap(TIoMapResolver* resolver, TInfoSink& infoSink) {
 
 } // end namespace glslang
 
-#endif // GLSLANG_WEB
+#endif // !GLSLANG_WEB && !GLSLANG_ANGLE

glslang/MachineIndependent/iomapper.h

@@ -33,7 +33,7 @@
 // POSSIBILITY OF SUCH DAMAGE.
 //
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 #ifndef _IOMAPPER_INCLUDED
 #define _IOMAPPER_INCLUDED
@@ -186,7 +186,7 @@ protected:
     }
 };
 
-// Defaulf I/O resolver for OpenGL
+// Default I/O resolver for OpenGL
 struct TDefaultGlslIoResolver : public TDefaultIoResolverBase {
 public:
     typedef std::map<TString, int> TVarSlotMap;  // <resourceName, location/binding>
@@ -299,4 +299,4 @@ public:
 
 #endif // _IOMAPPER_INCLUDED
 
-#endif //  GLSLANG_WEB
+#endif // !GLSLANG_WEB && !GLSLANG_ANGLE

glslang/MachineIndependent/linkValidate.cpp

@@ -82,7 +82,7 @@ void TIntermediate::warn(TInfoSink& infoSink, const char* message)
 //
 void TIntermediate::merge(TInfoSink& infoSink, TIntermediate& unit)
 {
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     mergeCallGraphs(infoSink, unit);
     mergeModes(infoSink, unit);
     mergeTrees(infoSink, unit);
@@ -104,7 +104,7 @@ void TIntermediate::mergeCallGraphs(TInfoSink& infoSink, TIntermediate& unit)
     callGraph.insert(callGraph.end(), unit.callGraph.begin(), unit.callGraph.end());
 }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 #define MERGE_MAX(member) member = std::max(member, unit.member)
 #define MERGE_TRUE(member) if (unit.member) member = unit.member;
@@ -533,7 +533,7 @@ void TIntermediate::mergeImplicitArraySizes(TType& type, const TType& unitType)
 //
 void TIntermediate::mergeErrorCheck(TInfoSink& infoSink, const TIntermSymbol& symbol, const TIntermSymbol& unitSymbol, bool crossStage)
 {
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     bool writeTypeComparison = false;
 
     // Types have to match

glslang/MachineIndependent/localintermediate.h

@@ -241,7 +241,10 @@ class TIntermediate {
 public:
     explicit TIntermediate(EShLanguage l, int v = 0, EProfile p = ENoProfile) :
         language(l),
-        profile(p), version(v), treeRoot(0),
+#ifndef GLSLANG_ANGLE
+        profile(p), version(v),
+#endif
+        treeRoot(0),
         numEntryPoints(0), numErrors(0), numPushConstants(0), recursive(false),
         invertY(false),
         useStorageBuffer(false),
@@ -295,9 +298,20 @@ public:
 #endif
     }
 
-    void setVersion(int v) { version = v; }
+    void setVersion(int v)
+    {
+#ifndef GLSLANG_ANGLE
+        version = v;
+#endif
+    }
+    void setProfile(EProfile p)
+    {
+#ifndef GLSLANG_ANGLE
+        profile = p;
+#endif
+    }
+
     int getVersion() const { return version; }
-    void setProfile(EProfile p) { profile = p; }
     EProfile getProfile() const { return profile; }
     void setSpv(const SpvVersion& s)
     {
@@ -929,8 +943,13 @@ protected:
     typedef std::list<TCall> TGraph;
     TGraph callGraph;
 
+#ifdef GLSLANG_ANGLE
+    const EProfile profile = ECoreProfile;
+    const int version = 450;
+#else
     EProfile profile;                           // source profile
     int version;                                // source version
+#endif
     SpvVersion spvVersion;
     TIntermNode* treeRoot;
     std::map<std::string, TExtensionBehavior> requestedExtensions;  // cumulation of all enabled or required extensions; not connected to what subset of the shader used them

glslang/MachineIndependent/parseVersions.h

@@ -58,7 +58,7 @@ public:
                    const SpvVersion& spvVersion, EShLanguage language, TInfoSink& infoSink,
                    bool forwardCompatible, EShMessages messages)
         :
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
         forwardCompatible(forwardCompatible),
         profile(profile),
 #endif
@@ -117,8 +117,13 @@ public:
     bool suppressWarnings() const { return true; }
     bool isForwardCompatible() const { return false; }
 #else
+#ifdef GLSLANG_ANGLE
+    const bool forwardCompatible = true;
+    const EProfile profile = ECoreProfile;
+#else
     bool forwardCompatible;      // true if errors are to be given for use of deprecated features
     EProfile profile;            // the declared profile in the shader (core by default)
+#endif
     bool isEsProfile() const { return profile == EEsProfile; }
     void requireProfile(const TSourceLoc& loc, int profileMask, const char* featureDesc);
     void profileRequires(const TSourceLoc& loc, int profileMask, int minVersion, int numExtensions,

glslang/MachineIndependent/reflection.cpp

@@ -33,7 +33,7 @@
 // POSSIBILITY OF SUCH DAMAGE.
 //
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 #include "../Include/Common.h"
 #include "reflection.h"
@@ -1266,4 +1266,4 @@ void TReflection::dump()
 
 } // end namespace glslang
 
-#endif // GLSLANG_WEB
+#endif // !GLSLANG_WEB && !GLSLANG_ANGLE

glslang/MachineIndependent/reflection.h

@@ -33,7 +33,7 @@
 // POSSIBILITY OF SUCH DAMAGE.
 //
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 #ifndef _REFLECTION_INCLUDED
 #define _REFLECTION_INCLUDED
@@ -220,4 +220,4 @@ protected:
 
 #endif // _REFLECTION_INCLUDED
 
-#endif // GLSLANG_WEB
+#endif // !GLSLANG_WEB && !GLSLANG_ANGLE

glslang/Public/ShaderLang.h

@@ -687,7 +687,7 @@ private:
     TShader& operator=(TShader&);
 };
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
 //
 // A reflection database and its interface, consistent with the OpenGL API reflection queries.
@@ -805,7 +805,7 @@ public:
     virtual void addStage(EShLanguage stage) = 0;
 };
 
-#endif // GLSLANG_WEB
+#endif // !GLSLANG_WEB && !GLSLANG_ANGLE
 
 // Make one TProgram per set of shaders that will get linked together.  Add all
 // the shaders that are to be linked together.  After calling shader.parse()
@@ -826,7 +826,7 @@ public:
 
     TIntermediate* getIntermediate(EShLanguage stage) const { return intermediate[stage]; }
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
 
     // Reflection Interface
 
@@ -920,7 +920,7 @@ public:
     // If resolver is not provided it uses the previous approach
     // and respects auto assignment and offsets.
     GLSLANG_EXPORT bool mapIO(TIoMapResolver* pResolver = nullptr, TIoMapper* pIoMapper = nullptr);
-#endif
+#endif // !GLSLANG_WEB && !GLSLANG_ANGLE
 
 protected:
     GLSLANG_EXPORT bool linkStage(EShLanguage, EShMessages);
@@ -930,7 +930,7 @@ protected:
     TIntermediate* intermediate[EShLangCount];
     bool newedIntermediate[EShLangCount];      // track which intermediate were "new" versus reusing a singleton unit in a stage
     TInfoSink* infoSink;
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
     TReflection* reflection;
 #endif
     bool linked;

gtests/Link.FromFile.Vk.cpp

@@ -75,7 +75,7 @@ TEST_P(LinkTestVulkan, FromFile)
     result.linkingOutput = program.getInfoLog();
     result.linkingError = program.getInfoDebugLog();
 
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
         if (success)
             program.mapIO();
 #endif

gtests/TestFixture.h

@@ -253,7 +253,7 @@ public:
         glslang::TProgram program;
         program.addShader(&shader);
         success &= program.link(controls);
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
         if (success)
             program.mapIO();
 #endif
@@ -315,7 +315,7 @@ public:
         program.addShader(&shader);
         
         success &= program.link(controls);
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
         if (success)
             program.mapIO();
 #endif
@@ -360,7 +360,7 @@ public:
         glslang::TProgram program;
         program.addShader(&shader);
         success &= program.link(controls);
-#ifndef GLSLANG_WEB
+#if !defined(GLSLANG_WEB) && !defined(GLSLANG_ANGLE)
         if (success)
             program.mapIO();
 #endif