@@ -824,6 +824,155 @@ extern "C"
824824 SLANG_OPTIMIZATION_LEVEL_MAXIMAL, /* *< Include optimizations that may take a very long time, or may involve severe space-vs-speed tradeoffs */
825825 };
826826
827+ // All compiler option names supported by Slang.
828+ namespace slang
829+ {
830+ enum class CompilerOptionName
831+ {
832+ MacroDefine, // stringValue0: macro name; stringValue1: macro value
833+ DepFile,
834+ EntryPointName,
835+ Specialize,
836+ Help,
837+ HelpStyle,
838+ Include, // stringValue: additional include path.
839+ Language,
840+ MatrixLayoutColumn, // bool
841+ MatrixLayoutRow, // bool
842+ ModuleName, // stringValue0: module name.
843+ Output,
844+ Profile, // intValue0: profile
845+ Stage, // intValue0: stage
846+ Target, // intValue0: CodeGenTarget
847+ Version,
848+ WarningsAsErrors, // stringValue0: "all" or comma separated list of warning codes or names.
849+ DisableWarnings, // stringValue0: comma separated list of warning codes or names.
850+ EnableWarning, // stringValue0: warning code or name.
851+ DisableWarning, // stringValue0: warning code or name.
852+ DumpWarningDiagnostics,
853+ InputFilesRemain,
854+ EmitIr, // bool
855+ ReportDownstreamTime, // bool
856+ ReportPerfBenchmark, // bool
857+ SkipSPIRVValidation, // bool
858+
859+ SourceEmbedStyle,
860+ SourceEmbedName,
861+ SourceEmbedLanguage,
862+
863+ // Target
864+
865+ Capability, // intValue0: CapabilityName
866+ DefaultImageFormatUnknown, // bool
867+ DisableDynamicDispatch, // bool
868+ DisableSpecialization, // bool
869+ FloatingPointMode, // intValue0: FloatingPointMode
870+ DebugInformation, // intValue0: DebugInfoLevel
871+ LineDirectiveMode,
872+ Optimization, // intValue0: OptimizationLevel
873+ Obfuscate, // bool
874+
875+ VulkanBindShift, // intValue0 (lower 8 bits): kind; intValue0(higher bits): set; intValue1: shift
876+ VulkanBindGlobals, // intValue0: index; intValue1: set
877+ VulkanInvertY, // bool
878+ VulkanUseEntryPointName, // bool
879+ VulkanUseGLLayout, // bool
880+ VulkanEmitReflection, // bool
881+
882+ GLSLForceScalarLayout, // bool
883+ EnableEffectAnnotations, // bool
884+
885+ EmitSpirvViaGLSL, // bool
886+ EmitSpirvDirectly, // bool
887+ SPIRVCoreGrammarJSON, // stringValue0: json path
888+
889+ // Downstream
890+
891+ CompilerPath,
892+ DefaultDownstreamCompiler,
893+ DownstreamArgs, // stringValue0: downstream compiler name. stringValue1: argument list, one per line.
894+ PassThrough,
895+
896+ // Repro
897+
898+ DumpRepro,
899+ DumpReproOnError,
900+ ExtractRepro,
901+ LoadRepro,
902+ LoadReproDirectory,
903+ ReproFallbackDirectory,
904+
905+ // Debugging
906+
907+ DumpAst,
908+ DumpIntermediatePrefix,
909+ DumpIntermediates, // bool
910+ DumpIr, // bool
911+ DumpIrIds,
912+ PreprocessorOutput,
913+ OutputIncludes,
914+ ReproFileSystem,
915+ SerialIr, // bool
916+ SkipCodeGen, // bool
917+ ValidateIr, // bool
918+ VerbosePaths,
919+ VerifyDebugSerialIr,
920+ NoCodeGen, // Not used.
921+
922+ // Experimental
923+
924+ FileSystem,
925+ Heterogeneous,
926+ NoMangle,
927+ AllowGLSL,
928+
929+ // Internal
930+
931+ ArchiveType,
932+ CompileStdLib,
933+ Doc,
934+ IrCompression,
935+ LoadStdLib,
936+ ReferenceModule,
937+ SaveStdLib,
938+ SaveStdLibBinSource,
939+ TrackLiveness,
940+
941+ // Deprecated
942+ ParameterBlocksUseRegisterSpaces,
943+
944+ CountOfParsableOptions,
945+
946+ // Used in parsed options only.
947+ DebugInformationFormat, // intValue0: DebugInfoFormat
948+ VulkanBindShiftAll, // intValue0: kind; intValue1: shift
949+ GenerateWholeProgram, // bool
950+
951+ CountOf,
952+ };
953+
954+ enum class CompilerOptionValueKind
955+ {
956+ Int,
957+ String
958+ };
959+
960+ struct CompilerOptionValue
961+ {
962+ CompilerOptionValueKind kind = CompilerOptionValueKind::Int;
963+ int32_t intValue0 = 0 ;
964+ int32_t intValue1 = 0 ;
965+ const char * stringValue0 = nullptr ;
966+ const char * stringValue1 = nullptr ;
967+ };
968+
969+ struct CompilerOptionEntry
970+ {
971+ CompilerOptionName name;
972+ CompilerOptionValue value;
973+ };
974+ }
975+
827976 /* * A result code for a Slang API operation.
828977
829978 This type is generally compatible with the Windows API `HRESULT` type. In particular, negative values indicate
@@ -2433,9 +2582,16 @@ extern "C"
24332582 SLANG_API SlangReflectionVariableLayout* spReflection_getGlobalParamsVarLayout (
24342583 SlangReflection* reflection);
24352584
2585+ }
24362586#ifdef __cplusplus
2587+
2588+ namespace slang
2589+ {
2590+ struct ISession ;
24372591}
24382592
2593+ SLANG_API slang::ISession* spReflection_GetSession (SlangReflection* reflection);
2594+
24392595/* Helper interfaces for C++ users */
24402596namespace slang
24412597{
@@ -3239,6 +3395,11 @@ namespace slang
32393395 return spReflection_GetTypeParameterCount ((SlangReflection*) this );
32403396 }
32413397
3398+ slang::ISession* getSession ()
3399+ {
3400+ return spReflection_GetSession ((SlangReflection*)this );
3401+ }
3402+
32423403 TypeParameterReflection* getTypeParameterByIndex (unsigned index)
32433404 {
32443405 return (TypeParameterReflection*)spReflection_GetTypeParameterByIndex ((SlangReflection*) this , index );
@@ -3350,7 +3511,6 @@ namespace slang
33503511 struct ITypeConformance ;
33513512 struct IGlobalSession ;
33523513 struct IModule ;
3353- struct ISession ;
33543514
33553515 struct SessionDesc ;
33563516 struct SpecializationArg ;
@@ -3564,6 +3724,16 @@ namespace slang
35643724 */
35653725 virtual SLANG_NO_THROW SlangResult SLANG_MCALL setSPIRVCoreGrammar (
35663726 char const * jsonPath) = 0;
3727+
3728+ /* * Parse slangc command line options into a SessionDesc that can be used to create a session
3729+ * with all the compiler options specified in the command line.
3730+ * @param argc The number of command line arguments.
3731+ * @param argv An input array of command line arguments to parse.
3732+ * @param outSessionDesc A pointer to a SessionDesc struct to receive parsed session desc.
3733+ * @param outAuxAllocation Auxillary memory allocated to hold data used in the sesion desc.
3734+ */
3735+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL parseCommandLineArguments (
3736+ int argc, const char * const * argv, SessionDesc* outSessionDesc, ISlangUnknown** outAuxAllocation) = 0;
35673737 };
35683738
35693739 #define SLANG_UUID_IGlobalSession IGlobalSession::getTypeGuid ()
@@ -4215,22 +4385,21 @@ namespace slang
42154385 /* * Whether to force `scalar` layout for glsl shader storage buffers.
42164386 */
42174387 bool forceGLSLScalarBufferLayout = false ;
4388+
4389+ /* * Pointer to an array of compiler option entries, whose size is compilerOptionEntryCount.
4390+ */
4391+ CompilerOptionEntry* compilerOptionEntries = nullptr ;
4392+
4393+ /* * Number of additional compiler option entries.
4394+ */
4395+ uint32_t compilerOptionEntryCount = 0 ;
4396+
42184397 };
42194398
42204399 typedef uint32_t SessionFlags;
42214400 enum
42224401 {
4223- kSessionFlags_None = 0 ,
4224-
4225- /* * Use application-specific policy for semantics of the `shared` keyword.
4226-
4227- This is a legacy/compatibility flag to help an existing Slang client
4228- migrate to new language features, and should *not* be used by other
4229- clients. This feature may be removed in a future release without a
4230- deprecation warning, and this bit may be re-used for another feature.
4231- You have been warned.
4232- */
4233- kSessionFlag_FalcorCustomSharedKeywordSemantics = 1 << 0 ,
4402+ kSessionFlags_None = 0
42344403 };
42354404
42364405 struct PreprocessorMacroDesc
@@ -4270,6 +4439,15 @@ namespace slang
42704439
42714440 bool enableEffectAnnotations = false ;
42724441 bool allowGLSLSyntax = false ;
4442+
4443+ /* * Pointer to an array of compiler option entries, whose size is compilerOptionEntryCount.
4444+ */
4445+ CompilerOptionEntry* compilerOptionEntries = nullptr ;
4446+
4447+ /* * Number of additional compiler option entries.
4448+ */
4449+ uint32_t compilerOptionEntryCount = 0 ;
4450+
42734451 };
42744452
42754453 enum class ContainerType
@@ -4657,6 +4835,15 @@ namespace slang
46574835 */
46584836 virtual SLANG_NO_THROW SlangResult SLANG_MCALL renameEntryPoint (
46594837 const char * newName, IComponentType** outEntryPoint) = 0 ;
4838+
4839+ /* * Link and specify additional compiler options when generating code
4840+ * from the linked program.
4841+ */
4842+ virtual SLANG_NO_THROW SlangResult SLANG_MCALL linkWithOptions (
4843+ IComponentType** outLinkedComponentType,
4844+ uint32_t compilerOptionEntryCount,
4845+ CompilerOptionEntry* compilerOptionEntries,
4846+ ISlangBlob** outDiagnostics = nullptr ) = 0 ;
46604847 };
46614848 #define SLANG_UUID_IComponentType IComponentType::getTypeGuid ()
46624849
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