kc3-lang/angle/src/libANGLE/EGLSync.cpp

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• Hash : e20f36f4
  Author :
  Date : 2020-04-21T15:45:44
  

  EGL: Implement EGL_ANDROID_native_fence_sync on vulkan
  
  Check the following -
  1. Vulkan ICD supports VK_KHR_external_fence_fd
  2. ExternalFenceProperties and ExternalSemaphoreProperties
     support Android FD.
  
  eglCreateSync - if FD was provided import to VkFence,
                  else create VkFence with new FD and then
                  flush and submit VkFence on next vkQueueSubmit.
  
  eglGetSyncAttrib - for status call vkGetFenceStatus.
  
  eglDupNativeFenceFdANDROID - return FD from vkGetFenceFD call.
  
  eglClientWaitSync - call vkWaitForFences.
  
  eglWaitSync - dup FD, create VkSemaphore and import FD, then
                flush() and add VkSemaphore to next vkQueueSubmit
                as a waiting semaphore.
  
  Extended end2end test suite with nativefence test cases.
  
  Bug: angleproject:2517
  Test: angle_end2end_tests --gtest_filter=EGLSyncTest.AndroidNativeFence_*
  Change-Id: I8f6a6f4c3d71d83007f662b78377aa015a740035
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2026177
  Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/EGLSync.cpp

• //
  // Copyright 2002 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.
  //
  
  // EGLSync.cpp: Implements the egl::Sync class.
  
  #include "libANGLE/EGLSync.h"
  
  #include "angle_gl.h"
  
  #include "common/utilities.h"
  #include "libANGLE/renderer/EGLImplFactory.h"
  #include "libANGLE/renderer/EGLSyncImpl.h"
  
  namespace egl
  {
  
  Sync::Sync(rx::EGLImplFactory *factory, EGLenum type, const AttributeMap &attribs)
      : mFence(factory->createSync(attribs)),
        mLabel(nullptr),
        mType(type),
        mCondition(EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR),
        mNativeFenceFD(
            attribs.getAsInt(EGL_SYNC_NATIVE_FENCE_FD_ANDROID, EGL_NO_NATIVE_FENCE_FD_ANDROID))
  {
      // Per extension spec: Signaling Condition.
      // "If the EGL_SYNC_NATIVE_FENCE_FD_ANDROID attribute is not
      // EGL_NO_NATIVE_FENCE_FD_ANDROID then the EGL_SYNC_CONDITION_KHR attribute
      // is set to EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID and the EGL_SYNC_STATUS_KHR
      // attribute is set to reflect the signal status of the native fence object.
      if ((mType == EGL_SYNC_NATIVE_FENCE_ANDROID) &&
          (mNativeFenceFD != EGL_NO_NATIVE_FENCE_FD_ANDROID))
      {
          mCondition = EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID;
      }
  }
  
  void Sync::onDestroy(const Display *display)
  {
      ASSERT(mFence);
      mFence->onDestroy(display);
      mFence.reset();
  }
  
  Sync::~Sync() {}
  
  Error Sync::initialize(const Display *display, const gl::Context *context)
  {
      return mFence->initialize(display, context, mType);
  }
  
  void Sync::setLabel(EGLLabelKHR label)
  {
      mLabel = label;
  }
  
  EGLLabelKHR Sync::getLabel() const
  {
      return mLabel;
  }
  
  Error Sync::clientWait(const Display *display,
                         const gl::Context *context,
                         EGLint flags,
                         EGLTime timeout,
                         EGLint *outResult)
  {
      return mFence->clientWait(display, context, flags, timeout, outResult);
  }
  
  Error Sync::serverWait(const Display *display, const gl::Context *context, EGLint flags)
  {
      return mFence->serverWait(display, context, flags);
  }
  
  Error Sync::getStatus(const Display *display, EGLint *outStatus) const
  {
      return mFence->getStatus(display, outStatus);
  }
  
  Error Sync::dupNativeFenceFD(const Display *display, EGLint *result) const
  {
      return mFence->dupNativeFenceFD(display, result);
  }
  
  }  // namespace egl
  

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