kc3-lang/angle/src/compiler/translator/tree_util/SpecializationConstant.h

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• Hash : 58eabfd7
  Author :
  Date : 2021-04-08T23:57:04
  

  Translator: Validate consistent variable references
  
  Some transformations change variable declarations.  This validation
  ensures that all references to said variables are appropriately replaced
  as well.
  
  Bug: angleproject:2733
  Change-Id: I6c2873968eeed4cba66e70069f84eb69a1f77074
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2818140
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Tim Van Patten <timvp@google.com>
  

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• src/compiler/translator/tree_util/SpecializationConstant.h

• //
  // Copyright 2020 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.
  //
  // SpecializationConst.h: Add code to generate AST node for specialization constant.
  //
  
  #ifndef COMPILER_TRANSLATOR_TREEUTIL_SPECIALIZATIONCONSTANT_H_
  #define COMPILER_TRANSLATOR_TREEUTIL_SPECIALIZATIONCONSTANT_H_
  
  #include "common/angleutils.h"
  #include "compiler/translator/Compiler.h"
  #include "compiler/translator/SymbolTable.h"
  
  class TIntermTyped;
  class TIntermSymbol;
  class TVariable;
  
  namespace sh
  {
  
  class SpecConst
  {
    public:
      SpecConst(TSymbolTable *symbolTable, ShCompileOptions compileOptions, GLenum shaderType);
      virtual ~SpecConst();
  
      // Line rasterizaton emulation
      TIntermSymbol *getLineRasterEmulation();
  
      // Flip/rotation
      TIntermTyped *getMultiplierXForDFdx();
      TIntermTyped *getMultiplierYForDFdx();
      TIntermTyped *getMultiplierXForDFdy();
      TIntermTyped *getMultiplierYForDFdy();
      TIntermTyped *getFragRotationMatrix();
      TIntermTyped *getFlipXY();
      TIntermTyped *getNegFlipXY();
      TIntermTyped *getFlipY();
      TIntermTyped *getFragRotationMultiplyFlipXY();
  
      // Half render area
      TIntermBinary *getHalfRenderArea();
  
      void outputLayoutString(TInfoSinkBase &sink) const;
      SpecConstUsageBits getSpecConstUsageBits() const { return mUsageBits; }
  
      static bool IsSpecConstName(const ImmutableString &name);
  
    private:
      TIntermSymbol *getFlipRotation();
      TIntermTyped *getNegFlipY();
      TIntermSymbol *getDrawableWidth();
      TIntermSymbol *getDrawableHeight();
      TIntermTyped *getHalfRenderAreaRotationMatrix();
  
      // If unsupported, this should be set to null.
      TSymbolTable *mSymbolTable;
      ShCompileOptions mCompileOptions;
  
      // Bit is set if YFlip or Rotation has been used
      SpecConstUsageBits mUsageBits;
  };
  }  // namespace sh
  
  #endif  // COMPILER_TRANSLATOR_TREEUTIL_SPECIALIZATIONCONSTANT_H_
  

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