tor-browser

The Tor Browser
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GpuFenceMTLSharedEvent.cpp (1287B)


      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "GpuFenceMTLSharedEvent.h"
      8 
      9 #include "mozilla/gfx/Logging.h"
     10 
     11 namespace mozilla {
     12 namespace layers {
     13 
     14 /* static */
     15 RefPtr<GpuFenceMTLSharedEvent> GpuFenceMTLSharedEvent::Create(
     16    UniquePtr<webgpu::ffi::WGPUMetalSharedEventHandle>&& aSharedEventHandle,
     17    const uint64_t aFenceValue) {
     18  if (!aSharedEventHandle) {
     19    MOZ_ASSERT_UNREACHABLE("unexpected to be called");
     20    return nullptr;
     21  }
     22  return new GpuFenceMTLSharedEvent(std::move(aSharedEventHandle), aFenceValue);
     23 }
     24 
     25 GpuFenceMTLSharedEvent::GpuFenceMTLSharedEvent(
     26    UniquePtr<webgpu::ffi::WGPUMetalSharedEventHandle>&& aSharedEventHandle,
     27    const uint64_t aFenceValue)
     28    : mSharedEventHandle(std::move(aSharedEventHandle)),
     29      mFenceValue(aFenceValue) {}
     30 
     31 bool GpuFenceMTLSharedEvent::HasCompleted() {
     32  auto value =
     33      wgpu_server_metal_shared_event_signaled_value(mSharedEventHandle.get());
     34  return value >= mFenceValue;
     35 }
     36 
     37 }  // namespace layers
     38 }  // namespace mozilla