kc3-lang/angle/src/libANGLE/renderer/vulkan/FenceNVVk.cpp

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• Hash : 6d6b91a6
  Author :
  Date : 2020-01-21T15:58:19
  

  Enable GL_NV_fence with Vulkan backend
  
  Implemented FenceNVVk, based on the existing vk::SyncHelper class.
  
  Bug: angleproject:4295
  Change-Id: I3f44a66e27ce3bd24461894dae4757b25321a6a4
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2013880
  Commit-Queue: Alexis Hétu <sugoi@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/vulkan/FenceNVVk.cpp

• //
  // Copyright 2016 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.
  //
  // FenceNVVk.cpp:
  //    Implements the class methods for FenceNVVk.
  //
  
  #include "libANGLE/renderer/vulkan/FenceNVVk.h"
  
  #include "common/debug.h"
  #include "libANGLE/Context.h"
  #include "libANGLE/renderer/vulkan/ContextVk.h"
  #include "libANGLE/renderer/vulkan/vk_utils.h"
  
  namespace rx
  {
  
  FenceNVVk::FenceNVVk() : FenceNVImpl() {}
  
  FenceNVVk::~FenceNVVk() {}
  
  void FenceNVVk::onDestroy(const gl::Context *context)
  {
      mFenceSync.releaseToRenderer(vk::GetImpl(context)->getRenderer());
  }
  
  angle::Result FenceNVVk::set(const gl::Context *context, GLenum condition)
  {
      ASSERT(condition == GL_ALL_COMPLETED_NV);
      return mFenceSync.initialize(vk::GetImpl(context));
  }
  
  angle::Result FenceNVVk::test(const gl::Context *context, GLboolean *outFinished)
  {
      bool signaled = false;
      ANGLE_TRY(mFenceSync.getStatus(vk::GetImpl(context), &signaled));
  
      ASSERT(outFinished);
      *outFinished = signaled ? GL_TRUE : GL_FALSE;
      return angle::Result::Continue;
  }
  
  angle::Result FenceNVVk::finish(const gl::Context *context)
  {
      VkResult outResult;
      ContextVk *contextVk = vk::GetImpl(context);
      return mFenceSync.clientWait(contextVk, contextVk, true, UINT64_MAX, &outResult);
  }
  
  }  // namespace rx
  

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