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52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "hlslcc.h"
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#include "LanguageSpec.h"
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class FMetalLanguageSpec : public ILanguageSpec
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{
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public:
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virtual bool SupportsDeterminantIntrinsic() const
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{
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//@todo-rco: Temp workaround for Seed 2 & 3
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return false;// true;
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}
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virtual bool SupportsTransposeIntrinsic() const
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{
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//@todo-rco: Temp workaround for Seed 2 & 3
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return false;// true;
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}
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virtual bool SupportsIntegerModulo() const { return true; }
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virtual bool SupportsMatrixConversions() const { return false; }
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virtual void SetupLanguageIntrinsics(_mesa_glsl_parse_state* State, exec_list* ir) override;
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};
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struct FBuffers;
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// Generates Metal compliant code from IR tokens
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struct FMetalCodeBackend : public FCodeBackend
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{
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FMetalCodeBackend(unsigned int InHlslCompileFlags);
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virtual char* GenerateCode(struct exec_list* ir, struct _mesa_glsl_parse_state* ParseState, EHlslShaderFrequency Frequency) override;
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virtual bool GenerateMain(EHlslShaderFrequency Frequency, const char* EntryPoint, exec_list* Instructions, _mesa_glsl_parse_state* ParseState) override;
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// Return false if there were restrictions that made compilation fail
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virtual bool ApplyAndVerifyPlatformRestrictions(exec_list* Instructions, _mesa_glsl_parse_state* ParseState, EHlslShaderFrequency Frequency) override;
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void PackInputsAndOutputs(exec_list* ir, _mesa_glsl_parse_state* state, EHlslShaderFrequency Frequency, exec_list& InputVars);
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void MovePackedUniformsToMain(exec_list* ir, _mesa_glsl_parse_state* state, FBuffers& OutBuffers);
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void FixIntrinsics(exec_list* ir, _mesa_glsl_parse_state* state);
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void RemovePackedVarReferences(exec_list* ir, _mesa_glsl_parse_state* State);
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void PromoteInputsAndOutputsGlobalHalfToFloat(exec_list* ir, _mesa_glsl_parse_state* state, EHlslShaderFrequency Frequency);
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void ConvertHalfToFloatUniformsAndSamples(exec_list* ir, _mesa_glsl_parse_state* State, bool bConvertUniforms, bool bConvertSamples);
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void BreakPrecisionChangesVisitor(exec_list* ir, _mesa_glsl_parse_state* State);
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};
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