kc3-lang/angle/src/libANGLE/gl_enum_utils.cpp

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• Hash : 068617d6
  Author :
  Date : 2020-10-05T20:42:57
  

  Fix debug message formatting.
  
  Also includes a refactor of GLenum utils.
  
  Bug: angleproject:5131
  Change-Id: Ic2d974ef5612b3609ae66bcca087cc0442f43888
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2447042
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/gl_enum_utils.cpp

• //
  // Copyright 2019 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.
  //
  // gl_enum_utils.cpp:
  //   Utility functions for converting GLenums to string.
  
  #include "libANGLE/gl_enum_utils.h"
  
  #include "common/bitset_utils.h"
  
  #include <iomanip>
  #include <sstream>
  
  namespace gl
  {
  const char kUnknownGLenumString[] = "EnumUnknown";
  
  void OutputGLenumString(std::ostream &out, GLenumGroup enumGroup, unsigned int value)
  {
      const char *enumStr = GLenumToString(enumGroup, value);
      if (enumStr != kUnknownGLenumString)
      {
          out << enumStr;
          return;
      }
  
      if (enumGroup != GLenumGroup::DefaultGroup)
      {
          // Retry with the "Default" group
          enumStr = GLenumToString(GLenumGroup::DefaultGroup, value);
          if (enumStr != kUnknownGLenumString)
          {
              out << enumStr;
              return;
          }
      }
  
      out << std::hex << "0x" << std::setfill('0') << std::setw(4) << value << std::dec;
  }
  
  void OutputGLbitfieldString(std::ostream &out, GLenumGroup enumGroup, unsigned int value)
  {
      out << GLbitfieldToString(enumGroup, value);
  }
  
  const char *GLbooleanToString(unsigned int value)
  {
      switch (value)
      {
          case 0x0:
              return "GL_FALSE";
          case 0x1:
              return "GL_TRUE";
          default:
              return kUnknownGLenumString;
      }
  }
  
  std::string GLbitfieldToString(GLenumGroup enumGroup, unsigned int value)
  {
      std::stringstream st;
  
      if (value == 0)
      {
          return "0";
      }
  
      const angle::BitSet<32> bitSet(value);
      bool first = true;
      for (const auto index : bitSet)
      {
          if (!first)
          {
              st << " | ";
          }
          first = false;
  
          unsigned int mask = 1u << index;
          OutputGLenumString(st, enumGroup, mask);
      }
  
      return st.str();
  }
  }  // namespace gl
  

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