kc3-lang/angle/src/libANGLE/renderer/gl/wgl/ContextWGL.cpp

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• Hash : 96a49a48
  Author :
  Date : 2020-10-06T13:34:09
  

  GLX, EGL: Support NV_robustness_video_memory_purge
  
  Chrome is showing rendering issues on Linux/Nvidia after returning from
  the lock screen. This could be related to the fact that Nvidia drivers
  are not able to guarantee conformance after certain events.
  By exposing this extension, we can instruct Chrome to reinitialize
  contexts after they are purged by the driver. If this is not explicitly
  requested, we can still generate an UnknownContextReset to tell apps
  to discard the invalid context anyway.
  
  Bug: chromium:1113040
  Change-Id: Ie99b6356cc27fea33643d61b1d74f4f68a271d70
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2453689
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
  

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• src/libANGLE/renderer/gl/wgl/ContextWGL.cpp

• //
  // Copyright 2018 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 "libANGLE/renderer/gl/wgl/ContextWGL.h"
  
  namespace rx
  {
  ContextWGL::ContextWGL(const gl::State &state,
                         gl::ErrorSet *errorSet,
                         const std::shared_ptr<RendererWGL> &renderer)
      : ContextGL(state, errorSet, renderer, RobustnessVideoMemoryPurgeStatus::NOT_REQUESTED),
        mRendererWGL(renderer)
  {}
  
  ContextWGL::~ContextWGL() {}
  
  HGLRC ContextWGL::getContext() const
  {
      return mRendererWGL->getContext();
  }
  }  // namespace rx
  

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