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// slang-emit-hlsl.h
#ifndef SLANG_EMIT_HLSL_H
#define SLANG_EMIT_HLSL_H
#include "slang-emit-c-like.h"
namespace Slang
{
class HLSLExtensionTracker : public RefObject
{
public:
/// Has any operation been used that requires NVAPI to be included via prelude?
bool m_requiresNVAPI = false;
};
class HLSLSourceEmitter : public CLikeSourceEmitter
{
public:
typedef CLikeSourceEmitter Super;
HLSLSourceEmitter(const Desc& desc)
: Super(desc)
, m_extensionTracker(new HLSLExtensionTracker)
{}
virtual RefObject* getExtensionTracker() SLANG_OVERRIDE { return m_extensionTracker; }
protected:
RefPtr<HLSLExtensionTracker> m_extensionTracker;
virtual void emitLayoutSemanticsImpl(IRInst* inst, char const* uniformSemanticSpelling) SLANG_OVERRIDE;
virtual void emitParameterGroupImpl(IRGlobalParam* varDecl, IRUniformParameterGroupType* type) SLANG_OVERRIDE;
virtual void emitEntryPointAttributesImpl(IRFunc* irFunc, IREntryPointDecoration* entryPointDecor) SLANG_OVERRIDE;
virtual void emitLayoutDirectivesImpl(TargetRequest* targetReq) SLANG_OVERRIDE;
virtual void emitRateQualifiersImpl(IRRate* rate) SLANG_OVERRIDE;
virtual void emitSemanticsImpl(IRInst* inst) SLANG_OVERRIDE;
virtual void emitSimpleFuncParamImpl(IRParam* param) SLANG_OVERRIDE;
virtual void emitInterpolationModifiersImpl(IRInst* varInst, IRType* valueType, IRVarLayout* layout) SLANG_OVERRIDE;
virtual void emitSimpleTypeImpl(IRType* type) SLANG_OVERRIDE;
virtual void emitVectorTypeNameImpl(IRType* elementType, IRIntegerValue elementCount) SLANG_OVERRIDE;
virtual void emitVarDecorationsImpl(IRInst* varDecl) SLANG_OVERRIDE;
virtual void emitMatrixLayoutModifiersImpl(IRVarLayout* layout) SLANG_OVERRIDE;
virtual bool tryEmitInstExprImpl(IRInst* inst, const EmitOpInfo& inOuterPrec) SLANG_OVERRIDE;
virtual void emitSimpleValueImpl(IRInst* inst) SLANG_OVERRIDE;
virtual void emitLoopControlDecorationImpl(IRLoopControlDecoration* decl) SLANG_OVERRIDE;
virtual void emitFuncDecorationImpl(IRDecoration* decoration) SLANG_OVERRIDE;
virtual void handleRequiredCapabilitiesImpl(IRInst* inst) SLANG_OVERRIDE;
virtual void emitPreludeDirectivesImpl() SLANG_OVERRIDE;
virtual void emitGlobalInstImpl(IRInst* inst) SLANG_OVERRIDE;
virtual void emitPostKeywordTypeAttributesImpl(IRInst* inst) SLANG_OVERRIDE;
// Emit a single `register` semantic, as appropriate for a given resource-type-specific layout info
// Keyword to use in the uniform case (`register` for globals, `packoffset` inside a `cbuffer`)
void _emitHLSLRegisterSemantic(LayoutResourceKind kind, EmitVarChain* chain, char const* uniformSemanticSpelling = "register");
// Emit all the `register` semantics that are appropriate for a particular variable layout
void _emitHLSLRegisterSemantics(EmitVarChain* chain, char const* uniformSemanticSpelling = "register");
void _emitHLSLRegisterSemantics(IRVarLayout* varLayout, char const* uniformSemanticSpelling = "register");
void _emitHLSLParameterGroupFieldLayoutSemantics(EmitVarChain* chain);
void _emitHLSLParameterGroupFieldLayoutSemantics(IRVarLayout* fieldLayout, EmitVarChain* inChain);
void _emitHLSLParameterGroup(IRGlobalParam* varDecl, IRUniformParameterGroupType* type);
void _emitHLSLTextureType(IRTextureTypeBase* texType);
void _emitHLSLDecorationSingleString(const char* name, IRFunc* entryPoint, IRStringLit* val);
void _emitHLSLDecorationSingleInt(const char* name, IRFunc* entryPoint, IRIntLit* val);
void _emitStageAccessSemantic(IRStageAccessDecoration* decoration, const char* name);
};
}
#endif
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