1/*
2 * Copyright (C) 2019 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#pragma once
27
28#if ENABLE(WEBGPU)
29
30#include "WHLSLBaseSemantic.h"
31#include "WHLSLLexer.h"
32
33namespace WebCore {
34
35namespace WHLSL {
36
37namespace AST {
38
39class ResourceSemantic : public BaseSemantic {
40public:
41 enum class Mode : uint8_t {
42 UnorderedAccessView,
43 Texture,
44 Buffer,
45 Sampler
46 };
47
48 ResourceSemantic(Lexer::Token&& origin, Mode mode, unsigned index, unsigned space)
49 : BaseSemantic(WTFMove(origin))
50 , m_mode(mode)
51 , m_index(index)
52 , m_space(space)
53 {
54 }
55
56 virtual ~ResourceSemantic() = default;
57
58 ResourceSemantic(const ResourceSemantic&) = delete;
59 ResourceSemantic(ResourceSemantic&&) = default;
60
61 Mode mode() const { return m_mode; }
62 unsigned index() const { return m_index; }
63 unsigned space() const { return m_space; }
64
65 bool operator==(const ResourceSemantic& other) const
66 {
67 return m_mode == other.m_mode && m_index == other.m_index && m_space == other.m_space;
68 }
69
70 bool operator!=(const ResourceSemantic& other) const
71 {
72 return !(*this == other);
73 }
74
75 bool isAcceptableType(const UnnamedType&, const Intrinsics&) const override;
76 bool isAcceptableForShaderItemDirection(ShaderItemDirection, const Optional<EntryPointType>&) const override;
77
78private:
79 Mode m_mode;
80 unsigned m_index;
81 unsigned m_space;
82};
83
84} // namespace AST
85
86}
87
88}
89
90#endif
91