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 "WebGPUSwapChain.h"
28
29#if ENABLE(WEBGPU)
30
31#include "Logging.h"
32#include "WebGPUSwapChainDescriptor.h"
33
34namespace WebCore {
35
36Ref<WebGPUSwapChain> WebGPUSwapChain::create(RefPtr<GPUSwapChain>&& swapChain)
37{
38 return adoptRef(*new WebGPUSwapChain(WTFMove(swapChain)));
39}
40
41WebGPUSwapChain::WebGPUSwapChain(RefPtr<GPUSwapChain>&& swapChain)
42 : m_swapChain(WTFMove(swapChain))
43{
44}
45
46Ref<WebGPUTexture> WebGPUSwapChain::getCurrentTexture()
47{
48 if (!m_swapChain) {
49 LOG(WebGPU, "GPUSwapChain::getCurrentTexture(): Invalid operation!");
50 return WebGPUTexture::create(nullptr);
51 }
52 m_currentTexture = WebGPUTexture::create(m_swapChain->tryGetCurrentTexture());
53 return makeRef(*m_currentTexture);
54}
55
56void WebGPUSwapChain::destroy()
57{
58 if (!m_swapChain)
59 return;
60
61 m_swapChain->destroy();
62 m_swapChain = nullptr;
63
64 if (m_currentTexture && m_currentTexture->texture())
65 m_currentTexture->destroy();
66}
67
68} // namespace WebCore
69
70#endif // ENABLE(WEBGPU)
71