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Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/StructureHLSL.h')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/StructureHLSL.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/StructureHLSL.h b/src/3rdparty/angle/src/compiler/translator/StructureHLSL.h new file mode 100644 index 0000000000..63fbaaaf8e --- /dev/null +++ b/src/3rdparty/angle/src/compiler/translator/StructureHLSL.h @@ -0,0 +1,74 @@ +// +// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// +// StructureHLSL.h: +// Interfaces of methods for HLSL translation of GLSL structures. +// + +#ifndef TRANSLATOR_STRUCTUREHLSL_H_ +#define TRANSLATOR_STRUCTUREHLSL_H_ + +#include "compiler/translator/Common.h" +#include "compiler/translator/intermediate.h" + +#include <set> + +class TInfoSinkBase; +class TScopeBracket; + +namespace sh +{ + +// This helper class assists structure and interface block definitions in determining +// how to pack std140 structs within HLSL's packing rules. +class Std140PaddingHelper +{ + public: + explicit Std140PaddingHelper(const std::map<TString, int> &structElementIndexes); + + int elementIndex() const { return mElementIndex; } + int prePadding(const TType &type); + TString prePaddingString(const TType &type); + TString postPaddingString(const TType &type, bool useHLSLRowMajorPacking); + + private: + int mPaddingCounter; + int mElementIndex; + const std::map<TString, int> &mStructElementIndexes; +}; + +class StructureHLSL +{ + public: + StructureHLSL(); + + void addConstructor(const TType &type, const TString &name, const TIntermSequence *parameters); + std::string structsHeader() const; + + TString defineQualified(const TStructure &structure, bool useHLSLRowMajorPacking, bool useStd140Packing); + static TString defineNameless(const TStructure &structure); + + Std140PaddingHelper getPaddingHelper() const { return Std140PaddingHelper(mStd140StructElementIndexes); } + + private: + std::map<TString, int> mStd140StructElementIndexes; + + typedef std::set<TString> StructNames; + StructNames mStructNames; + + typedef std::set<TString> Constructors; + Constructors mConstructors; + + typedef std::vector<TString> StructDeclarations; + StructDeclarations mStructDeclarations; + + void storeStd140ElementIndex(const TStructure &structure, bool useHLSLRowMajorPacking); + static TString define(const TStructure &structure, bool useHLSLRowMajorPacking, + bool useStd140Packing, Std140PaddingHelper *padHelper); +}; + +} + +#endif // COMPILER_STRUCTUREHLSL_H_ |