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 "WebGPUBuffer.h"
28
29#if ENABLE(WEBGPU)
30
31#include "Logging.h"
32
33namespace WebCore {
34
35Ref<WebGPUBuffer> WebGPUBuffer::create(RefPtr<GPUBuffer>&& buffer)
36{
37 return adoptRef(*new WebGPUBuffer(WTFMove(buffer)));
38}
39
40WebGPUBuffer::WebGPUBuffer(RefPtr<GPUBuffer>&& buffer)
41 : m_buffer(WTFMove(buffer))
42{
43}
44
45void WebGPUBuffer::mapReadAsync(BufferMappingPromise&& promise)
46{
47 rejectOrRegisterPromiseCallback(WTFMove(promise), true);
48}
49
50void WebGPUBuffer::mapWriteAsync(BufferMappingPromise&& promise)
51{
52 rejectOrRegisterPromiseCallback(WTFMove(promise), false);
53}
54
55void WebGPUBuffer::unmap()
56{
57 if (!m_buffer)
58 LOG(WebGPU, "GPUBuffer::unmap(): Invalid operation!");
59 else
60 m_buffer->unmap();
61}
62
63void WebGPUBuffer::destroy()
64{
65 if (!m_buffer)
66 LOG(WebGPU, "GPUBuffer::destroy(): Invalid operation!");
67 else {
68 m_buffer->destroy();
69 m_buffer = nullptr;
70 }
71}
72
73void WebGPUBuffer::rejectOrRegisterPromiseCallback(BufferMappingPromise&& promise, bool isRead)
74{
75 if (!m_buffer) {
76 LOG(WebGPU, "GPUBuffer::map%sAsync(): Invalid operation!", isRead ? "Read" : "Write");
77 promise.reject();
78 return;
79 }
80
81 m_buffer->registerMappingCallback([promise = WTFMove(promise)] (JSC::ArrayBuffer* arrayBuffer) mutable {
82 if (arrayBuffer)
83 promise.resolve(*arrayBuffer);
84 else
85 promise.reject();
86 }, isRead);
87}
88
89} // namespace WebCore
90
91#endif // ENABLE(WEBGPU)
92