kc3-lang/angle/src/common/angleutils.cpp

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• Author : Austin Kinross
  Date : 2015-01-30 13:06:52
  Hash : 31018486
  Message : Resubmit "Compile the D3D11 VS and PS on separate threads at GL link time" The original change caused a Chromium build break due to "__uncaught_exception" not being defined in concrt.h. This is because Chromium defines "_HAS_EXCEPTIONS=0" in its GYP, but ANGLE doesn't do this. This change defines "_HAS_EXCEPTIONS=0" in ANGLE's GYP to match Chromium, and refines it in ProgramD3D.cpp before including <future>. Change-Id: Ic324702569bac8f4ae1381f308c4f3f11f190f9e Reviewed-on: https://chromium-review.googlesource.com/244860 Tested-by: Austin Kinross <aukinros@microsoft.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/common/angleutils.cpp

• //
  // Copyright (c) 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.
  //
  
  #include "common/angleutils.h"
  #include "common/debug.h"
  
  #include <stdio.h>
  #include <vector>
  
  size_t FormatStringIntoVector(const char *fmt, va_list vararg, std::vector<char>& outBuffer)
  {
      // Attempt to just print to the current buffer
      int len = vsnprintf(&(outBuffer.front()), outBuffer.size(), fmt, vararg);
      if (len < 0 || static_cast<size_t>(len) >= outBuffer.size())
      {
          // Buffer was not large enough, calculate the required size and resize the buffer
          len = vsnprintf(NULL, 0, fmt, vararg);
          outBuffer.resize(len + 1);
  
          // Print again
          len = vsnprintf(&(outBuffer.front()), outBuffer.size(), fmt, vararg);
      }
      ASSERT(len >= 0);
      return static_cast<size_t>(len);
  }
  
  std::string FormatString(const char *fmt, va_list vararg)
  {
      // Note: this needs to be thread-safe, since the D3D11 renderer uses some multithreading
      std::vector<char> buffer(512);
  
      size_t len = FormatStringIntoVector(fmt, vararg, buffer);
      return std::string(&buffer[0], len);
  }
  
  std::string FormatString(const char *fmt, ...)
  {
      va_list vararg;
      va_start(vararg, fmt);
      std::string result = FormatString(fmt, vararg);
      va_end(vararg);
      return result;
  }