kc3-lang/angle/src/compiler/translator/util.h

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• Hash : 5dd05578
  Author :
  Date : 2025-04-14T07:34:57
  

  Revert "GL: Allow untranslated shaders to pass through on GLES"
  
  This reverts commit 4e77552b86a89b449ada6d6c18f84285f5812b1d.
  
  Reason for revert: breaks ChromeOS and fuzzers
  
  Bug: angleproject:398857482
  Original change's description:
  > GL: Allow untranslated shaders to pass through on GLES
  >
  > Add an EGL extension EGL_ANGLE_create_context_passthrough_shaders which
  > uses the NULL translator and passes the original shader to the driver.
  > The parser is still used for shader reflection.
  >
  > Bug: angleproject:398857482
  > Change-Id: I7c5fcc318c7e11931f78c08dcbf4764bf77d397d
  > Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6297527
  > Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  > Commit-Queue: Geoff Lang <geofflang@chromium.org>
  
  Bug: angleproject:398857482, angleproject:410423936
  Bug: chromium:410114655, chromium:410100607, chromium:410121218
  Bug: chromium:410052365, chromium:410290507, chromium:410178288
  No-Presubmit: true
  Change-Id: I45b01960637a1cda05d21a7df6d07465f6a8f5e9
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6448984
  Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
  Auto-Submit: Yuly Novikov <ynovikov@chromium.org>
  Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
  Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
  

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• src/compiler/translator/util.h

• //
  // Copyright 2002 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_UTIL_H_
  #define COMPILER_TRANSLATOR_UTIL_H_
  
  #include <stack>
  
  #include <GLSLANG/ShaderLang.h>
  #include "angle_gl.h"
  
  #include "compiler/translator/HashNames.h"
  #include "compiler/translator/ImmutableString.h"
  #include "compiler/translator/Operator_autogen.h"
  #include "compiler/translator/Types.h"
  
  // If overflow happens, clamp the value to UINT_MIN or UINT_MAX.
  // Return false if overflow happens.
  bool atoi_clamp(const char *str, unsigned int *value);
  
  namespace sh
  {
  
  class TIntermBlock;
  class TIntermDeclaration;
  class TSymbolTable;
  class TIntermTyped;
  
  float NumericLexFloat32OutOfRangeToInfinity(const std::string &str, bool preserveDenorms);
  
  // strtof_clamp is like strtof but
  //   1. it forces C locale, i.e. forcing '.' as decimal point.
  //   2. it sets the value to infinity if overflow happens.
  //   3. str should be guaranteed to be in the valid format for a floating point number as defined
  //      by the grammar in the ESSL 3.00.6 spec section 4.1.4.
  // Return false if overflow happens.
  bool strtof_clamp(const std::string &str, float *value, bool preserveDenorms);
  
  GLenum GLVariableType(const TType &type);
  GLenum GLVariablePrecision(const TType &type);
  bool IsVaryingIn(TQualifier qualifier);
  bool IsVaryingOut(TQualifier qualifier);
  bool IsVarying(TQualifier qualifier);
  bool IsMatrixGLType(GLenum type);
  bool IsGeometryShaderInput(GLenum shaderType, TQualifier qualifier);
  bool IsTessellationControlShaderInput(GLenum shaderType, TQualifier qualifier);
  bool IsTessellationControlShaderOutput(GLenum shaderType, TQualifier qualifier);
  bool IsTessellationEvaluationShaderInput(GLenum shaderType, TQualifier qualifier);
  InterpolationType GetInterpolationType(TQualifier qualifier);
  InterpolationType GetFieldInterpolationType(TQualifier qualifier);
  
  // Returns array brackets including size with outermost array size first, as specified in GLSL ES
  // 3.10 section 4.1.9.
  ImmutableString ArrayString(const TType &type);
  
  ImmutableString GetTypeName(const TType &type, ShHashFunction64 hashFunction, NameMap *nameMap);
  
  TType GetShaderVariableBasicType(const sh::ShaderVariable &var);
  
  void DeclareGlobalVariable(TIntermBlock *root, const TVariable *variable);
  
  bool IsBuiltinOutputVariable(TQualifier qualifier);
  bool IsBuiltinFragmentInputVariable(TQualifier qualifier);
  bool CanBeInvariantESSL1(TQualifier qualifier);
  bool CanBeInvariantESSL3OrGreater(TQualifier qualifier);
  bool IsShaderOutput(TQualifier qualifier);
  bool IsFragmentOutput(TQualifier qualifier);
  bool IsOutputNULL(ShShaderOutput output);
  bool IsOutputESSL(ShShaderOutput output);
  bool IsOutputGLSL(ShShaderOutput output);
  bool IsOutputHLSL(ShShaderOutput output);
  bool IsOutputSPIRV(ShShaderOutput output);
  bool IsOutputMSL(ShShaderOutput output);
  bool IsOutputWGSL(ShShaderOutput output);
  
  bool IsInShaderStorageBlock(TIntermTyped *node);
  
  GLenum GetImageInternalFormatType(TLayoutImageInternalFormat iifq);
  // ESSL 1.00 shaders nest function body scope within function parameter scope
  bool IsSpecWithFunctionBodyNewScope(ShShaderSpec shaderSpec, int shaderVersion);
  
  // Whether the given basic type requires precision.
  bool IsPrecisionApplicableToType(TBasicType type);
  
  // Whether this is the name of a built-in that can be redeclared by the shader.
  bool IsRedeclarableBuiltIn(const ImmutableString &name);
  
  size_t FindFieldIndex(const TFieldList &fieldList, const char *fieldName);
  
  // A convenience view of a TIntermDeclaration node's children.
  struct Declaration
  {
      TIntermSymbol &symbol;
      TIntermTyped *initExpr;  // Non-null iff declaration is initialized.
  };
  
  // Returns a `Declaration` view of the given node, for declarator `index` of
  // the declarations in `declNode`.
  Declaration ViewDeclaration(TIntermDeclaration &declNode, uint32_t index = 0);
  
  }  // namespace sh
  
  #endif  // COMPILER_TRANSLATOR_UTIL_H_
  

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