kc3-lang/angle/src/common/system_utils_ios.mm

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• Hash : d7aa0130
  Author :
  Date : 2021-04-26T16:56:15
  

  Upstream Apple's direct-to-Metal backend: compile translator.
  
  This change is meant to merge the translator changes from Apple's
  direct-to-Metal backend. Taken from Kyle Piddington's CL:
  https://chromium-review.googlesource.com/c/angle/angle/+/2857366/
  The goal of this CL is to merge the translator code in a state that
  compiles, but not to switch the Metal backend over to use this
  translator backend yet.
  
  Bug: angleproject:5505
  Change-Id: I68a6354604498cd5fd1eb96c13fc56f3b38f2bd0
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2897536
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
  

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• src/common/system_utils_ios.mm

• //
  // Copyright 2015 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.
  //
  
  // system_utils_ios.mm: Implementation of iOS-specific functions for OSX
  
  #include "system_utils.h"
  
  #include <unistd.h>
  
  #include <CoreServices/CoreServices.h>
  #include <mach-o/dyld.h>
  #include <mach/mach.h>
  #include <mach/mach_time.h>
  #include <array>
  #include <cstdlib>
  #include <vector>
  
  #import <Foundation/Foundation.h>
  
  namespace angle
  {
  std::string GetExecutablePath()
  {
  
      NSString *executableString = [[NSBundle mainBundle] executablePath];
      std::string result([executableString UTF8String]);
      return result;
  }
  
  std::string GetExecutableDirectory()
  {
      std::string executablePath = GetExecutablePath();
      size_t lastPathSepLoc      = executablePath.find_last_of("/");
      return (lastPathSepLoc != std::string::npos) ? executablePath.substr(0, lastPathSepLoc) : "";
  }
  
  const char *GetSharedLibraryExtension()
  {
      return "dylib";
  }
  
  double GetCurrentTime()
  {
      mach_timebase_info_data_t timebaseInfo;
      mach_timebase_info(&timebaseInfo);
  
      double secondCoeff = timebaseInfo.numer * 1e-9 / timebaseInfo.denom;
      return secondCoeff * mach_absolute_time();
  }
  }  // namespace angle
  

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