kc3-lang/angle/util/posix/PosixTimer.h

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• Hash : 229fc83d
  Author :
  Date : 2019-01-21T18:09:15
  

  Vulkan: Port renderer to Fuchsia (reland)
  
  Add DisplayVk and WindowSurfaceVk subclasses for Fuchsia to the vulkan
  renderer, as well as an implementation of OSWindow that renders
  fullscreen for the test suite.
  
  Disallow use of the vulkan loader from third_party as Fuchsia uses a fork
  of the loader and has not sent those changes upstream yet.
  
  Add a small wayland-inspired library libfuchsia-egl to provide a type
  "struct fuchsia_egl_window" to use as EGLNativeWindowType. This type
  combines a zx_handle_t to an image pipe channel and a surface size.
  
  Image pipes can only be used once to create a VkSurfaceKHR. This means we
  have to recreate the pipe in tests that call eglCreateWindowSurface more
  than once with a single OSWindow, or the second call will fail. Add a
  resetNativeWindow() method to accomplish this.
  
  Reland disabling -Wextra-semi.
  
  BUG=angleproject:2475
  TEST=angle_end2end_tests on Fuchsia
  
  Change-Id: Ie91715bcd760c6c04d4b8a02a91daa71e32ee30c
  Reviewed-on: https://chromium-review.googlesource.com/c/1467603
  Commit-Queue: Michael Spang <spang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• util/posix/PosixTimer.h

• //
  // Copyright (c) 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.
  //
  
  // PosixTimer.h: Definition of a high precision timer class on Linux
  
  #ifndef UTIL_POSIX_TIMER_H
  #define UTIL_POSIX_TIMER_H
  
  #include <stdint.h>
  #include <time.h>
  
  #include "util/Timer.h"
  
  class ANGLE_UTIL_EXPORT PosixTimer : public Timer
  {
    public:
      PosixTimer();
  
      void start() override;
      void stop() override;
      double getElapsedTime() const override;
  
      double getAbsoluteTime() override;
  
    private:
      bool mRunning;
      uint64_t mStartTimeNs;
      uint64_t mStopTimeNs;
  };
  
  #endif  // UTIL_POSIX_TIMER_H
  

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