bgfx/3rdparty/glslang/hlsl/hlslAttributes.h
Branimir Karadžić d829148ef8 Updated glslang.
2017-03-24 20:03:12 -07:00

109 lines
3.5 KiB
C++

//
// Copyright (C) 2016 LunarG, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of Google, Inc., nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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//
#ifndef HLSLATTRIBUTES_H_
#define HLSLATTRIBUTES_H_
#include <unordered_map>
#include <functional>
#include "hlslScanContext.h"
#include "../glslang/Include/Common.h"
namespace glslang {
enum TAttributeType {
EatNone,
EatAllow_uav_condition,
EatBranch,
EatCall,
EatDomain,
EatEarlyDepthStencil,
EatFastOpt,
EatFlatten,
EatForceCase,
EatInstance,
EatMaxTessFactor,
EatNumThreads,
EatMaxVertexCount,
EatOutputControlPoints,
EatOutputTopology,
EatPartitioning,
EatPatchConstantFunc,
EatPatchSize,
EatUnroll,
};
}
namespace std {
// Allow use of TAttributeType enum in hash_map without calling code having to cast.
template <> struct hash<glslang::TAttributeType> {
std::size_t operator()(glslang::TAttributeType attr) const {
return std::hash<int>()(int(attr));
}
};
} // end namespace std
namespace glslang {
class TIntermAggregate;
class TAttributeMap {
public:
// Search for and potentially add the attribute into the map. Return the
// attribute type enum for it, if found, else EatNone.
TAttributeType setAttribute(const TString* name, TIntermAggregate* value);
// Const lookup: search for (but do not modify) the attribute in the map.
const TIntermAggregate* operator[](TAttributeType) const;
protected:
// Find an attribute enum given its name.
static TAttributeType attributeFromName(const TString&);
std::unordered_map<TAttributeType, TIntermAggregate*> attributes;
};
class TFunctionDeclarator {
public:
TFunctionDeclarator() : function(nullptr), body(nullptr) { }
TSourceLoc loc;
TFunction* function;
TAttributeMap attributes;
TVector<HlslToken>* body;
};
} // end namespace glslang
#endif // HLSLATTRIBUTES_H_