From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../src/compiler/translator/EmulatePrecision.h | 72 ++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100755 gfx/angle/src/compiler/translator/EmulatePrecision.h (limited to 'gfx/angle/src/compiler/translator/EmulatePrecision.h') diff --git a/gfx/angle/src/compiler/translator/EmulatePrecision.h b/gfx/angle/src/compiler/translator/EmulatePrecision.h new file mode 100755 index 000000000..deb49cd2c --- /dev/null +++ b/gfx/angle/src/compiler/translator/EmulatePrecision.h @@ -0,0 +1,72 @@ +// +// Copyright (c) 2002-2014 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. +// + +#ifndef COMPILER_TRANSLATOR_EMULATE_PRECISION_H_ +#define COMPILER_TRANSLATOR_EMULATE_PRECISION_H_ + +#include "common/angleutils.h" +#include "compiler/translator/Compiler.h" +#include "compiler/translator/InfoSink.h" +#include "compiler/translator/IntermNode.h" +#include "GLSLANG/ShaderLang.h" + +// This class gathers all compound assignments from the AST and can then write +// the functions required for their precision emulation. This way there is no +// need to write a huge number of variations of the emulated compound assignment +// to every translated shader with emulation enabled. + +namespace sh +{ + +class EmulatePrecision : public TLValueTrackingTraverser +{ + public: + EmulatePrecision(const TSymbolTable &symbolTable, int shaderVersion); + + void visitSymbol(TIntermSymbol *node) override; + bool visitBinary(Visit visit, TIntermBinary *node) override; + bool visitUnary(Visit visit, TIntermUnary *node) override; + bool visitAggregate(Visit visit, TIntermAggregate *node) override; + bool visitDeclaration(Visit visit, TIntermDeclaration *node) override; + + void writeEmulationHelpers(TInfoSinkBase &sink, + const int shaderVersion, + const ShShaderOutput outputLanguage); + + static bool SupportedInLanguage(const ShShaderOutput outputLanguage); + + private: + struct TypePair + { + TypePair(const char *l, const char *r) + : lType(l), rType(r) { } + + const char *lType; + const char *rType; + }; + + struct TypePairComparator + { + bool operator() (const TypePair& l, const TypePair& r) const + { + if (l.lType == r.lType) + return l.rType < r.rType; + return l.lType < r.lType; + } + }; + + typedef std::set EmulationSet; + EmulationSet mEmulateCompoundAdd; + EmulationSet mEmulateCompoundSub; + EmulationSet mEmulateCompoundMul; + EmulationSet mEmulateCompoundDiv; + + bool mDeclaringVariables; +}; + +} // namespace sh + +#endif // COMPILER_TRANSLATOR_EMULATE_PRECISION_H_ -- cgit v1.2.3