1/*
2 * Copyright (C) 2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "NavigatorGPU.h"
28
29#if ENABLE(WEBGPU)
30
31#include "Navigator.h"
32#include "RuntimeEnabledFeatures.h"
33#include "WebGPU.h"
34
35namespace WebCore {
36
37NavigatorGPU* NavigatorGPU::from(Navigator* navigator)
38{
39 NavigatorGPU* supplement = static_cast<NavigatorGPU*>(Supplement<Navigator>::from(navigator, supplementName()));
40 if (!supplement) {
41 auto newSupplement = std::make_unique<NavigatorGPU>();
42 supplement = newSupplement.get();
43 provideTo(navigator, supplementName(), WTFMove(newSupplement));
44 }
45 return supplement;
46}
47
48const char* NavigatorGPU::supplementName()
49{
50 return "NavigatorGPU";
51}
52
53const WebGPU* NavigatorGPU::gpu(Navigator& navigator)
54{
55 return NavigatorGPU::from(&navigator)->gpu();
56}
57
58const WebGPU* NavigatorGPU::gpu() const
59{
60 ASSERT(RuntimeEnabledFeatures::sharedFeatures().webGPUEnabled());
61
62 if (!m_gpu)
63 m_gpu = WebGPU::create();
64 return m_gpu.get();
65}
66
67} // namespace WebCore
68
69#endif // ENABLE(WEBGPU)
70