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::setSubData(uint64_t offset, const JSC::ArrayBuffer& data)
46{
47 if (!m_buffer)
48 LOG(WebGPU, "GPUBuffer::setSubData(): Invalid operation!");
49 else
50 m_buffer->setSubData(offset, data);
51}
52
53void WebGPUBuffer::mapReadAsync(BufferMappingPromise&& promise)
54{
55 rejectOrRegisterPromiseCallback(WTFMove(promise), true);
56}
57
58void WebGPUBuffer::mapWriteAsync(BufferMappingPromise&& promise)
59{
60 rejectOrRegisterPromiseCallback(WTFMove(promise), false);
61}
62
63void WebGPUBuffer::unmap()
64{
65 if (!m_buffer)
66 LOG(WebGPU, "GPUBuffer::unmap(): Invalid operation!");
67 else
68 m_buffer->unmap();
69}
70
71void WebGPUBuffer::destroy()
72{
73 if (!m_buffer)
74 LOG(WebGPU, "GPUBuffer::destroy(): Invalid operation!");
75 else {
76 m_buffer->destroy();
77 m_buffer = nullptr;
78 }
79}
80
81void WebGPUBuffer::rejectOrRegisterPromiseCallback(BufferMappingPromise&& promise, bool isRead)
82{
83 if (!m_buffer) {
84 LOG(WebGPU, "GPUBuffer::map%sAsync(): Invalid operation!", isRead ? "Read" : "Write");
85 promise.reject();
86 return;
87 }
88
89 m_buffer->registerMappingCallback([promise = WTFMove(promise)] (JSC::ArrayBuffer* arrayBuffer) mutable {
90 if (arrayBuffer)
91 promise.resolve(*arrayBuffer);
92 else
93 promise.reject();
94 }, isRead);
95}
96
97} // namespace WebCore
98
99#endif // ENABLE(WEBGPU)
100