1// Copyright (C) 2023 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QSHADER_P_H
5#define QSHADER_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists for the convenience
12// of a number of Qt sources files. This header file may change from
13// version to version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtGui/private/qtguiglobal_p.h>
19#include <rhi/qshader.h>
20#include <QtCore/QAtomicInt>
21#include <QtCore/QMap>
22#include <QtCore/QDebug>
23
24QT_BEGIN_NAMESPACE
25
26struct Q_GUI_EXPORT QShaderPrivate
27{
28 static const int QSB_VERSION = 9;
29 static const int QSB_VERSION_WITHOUT_INPUT_OUTPUT_INTERFACE_BLOCKS = 8;
30 static const int QSB_VERSION_WITHOUT_EXTENDED_STORAGE_BUFFER_INFO = 7;
31 static const int QSB_VERSION_WITHOUT_NATIVE_SHADER_INFO = 6;
32 static const int QSB_VERSION_WITHOUT_SEPARATE_IMAGES_AND_SAMPLERS = 5;
33 static const int QSB_VERSION_WITHOUT_VAR_ARRAYDIMS = 4;
34 static const int QSB_VERSION_WITH_CBOR = 3;
35 static const int QSB_VERSION_WITH_BINARY_JSON = 2;
36 static const int QSB_VERSION_WITHOUT_BINDINGS = 1;
37
38 enum MslNativeShaderInfoExtraBufferBindings {
39 MslTessVertIndicesBufferBinding = 0,
40 MslTessVertTescOutputBufferBinding,
41 MslTessTescTessLevelBufferBinding,
42 MslTessTescPatchOutputBufferBinding,
43 MslTessTescParamsBufferBinding,
44 MslTessTescInputBufferBinding,
45 MslBufferSizeBufferBinding,
46 MslMultiViewMaskBufferBinding
47 };
48
49 QShaderPrivate()
50 : ref(1)
51 {
52 }
53
54 QShaderPrivate(const QShaderPrivate &other)
55 : ref(1),
56 qsbVersion(other.qsbVersion),
57 stage(other.stage),
58 desc(other.desc),
59 shaders(other.shaders),
60 bindings(other.bindings),
61 combinedImageMap(other.combinedImageMap),
62 nativeShaderInfoMap(other.nativeShaderInfoMap)
63 {
64 }
65
66 static QShaderPrivate *get(QShader *s) { return s->d; }
67 static const QShaderPrivate *get(const QShader *s) { return s->d; }
68 static int qtQsbVersion(QShader::SerializedFormatVersion qtVersion) {
69 switch (qtVersion) {
70 case QShader::SerializedFormatVersion::Qt_6_4:
71 return (QShaderPrivate::QSB_VERSION_WITHOUT_SEPARATE_IMAGES_AND_SAMPLERS + 1);
72 case QShader::SerializedFormatVersion::Qt_6_5:
73 return (QShaderPrivate::QSB_VERSION_WITHOUT_EXTENDED_STORAGE_BUFFER_INFO + 1);
74 default:
75 return QShaderPrivate::QSB_VERSION;
76 }
77 }
78
79 QAtomicInt ref;
80 int qsbVersion = QSB_VERSION;
81 QShader::Stage stage = QShader::VertexStage;
82 QShaderDescription desc;
83 // QMap not QHash because we need to be able to iterate based on sorted keys
84 QMap<QShaderKey, QShaderCode> shaders;
85 QMap<QShaderKey, QShader::NativeResourceBindingMap> bindings;
86 QMap<QShaderKey, QShader::SeparateToCombinedImageSamplerMappingList> combinedImageMap;
87 QMap<QShaderKey, QShader::NativeShaderInfo> nativeShaderInfoMap;
88};
89
90QT_END_NAMESPACE
91
92#endif
93

source code of qtbase/src/gui/rhi/qshader_p.h