1// Copyright (C) 2008-2012 NVIDIA Corporation.
2// Copyright (C) 2019 The Qt Company Ltd.
3// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
4
5#ifndef QSSG_RENDER_DYNAMIC_OBJECT_SYSTEM_H
6#define QSSG_RENDER_DYNAMIC_OBJECT_SYSTEM_H
7
8//
9// W A R N I N G
10// -------------
11//
12// This file is not part of the Qt API. It exists purely as an
13// implementation detail. This header file may change from version to
14// version without notice, or even be removed.
15//
16// We mean it.
17//
18
19#include <QtQuick3DUtils/private/qssgrenderbasetypes_p.h>
20#include <QtQuick3DUtils/private/qqsbcollection_p.h>
21
22#include <QtQuick3DRuntimeRender/private/qssgrendershadercache_p.h>
23#include <QtQuick3DRuntimeRender/private/qssgrendergraphobject_p.h>
24#include <QtQuick3DRuntimeRender/private/qssgrendershaderkeys_p.h>
25
26#include <QtGui/QVector2D>
27
28#include <QtCore/QString>
29#include <QtCore/QReadWriteLock>
30
31QT_BEGIN_NAMESPACE
32
33class QSSGRenderContextInterface;
34
35struct QSSGCustomShaderMetaData
36{
37 enum Flag {
38 UsesScreenTexture = 1 << 0,
39 UsesDepthTexture = 1 << 1,
40 UsesAoTexture = 1 << 2,
41 OverridesPosition = 1 << 3,
42 UsesProjectionMatrix = 1 << 4,
43 UsesInverseProjectionMatrix = 1 << 5,
44 UsesScreenMipTexture = 1 << 6,
45 UsesVarColor = 1 << 7,
46 UsesSharedVars = 1 << 8,
47 UsesIblOrientation = 1 << 9,
48 UsesLightmap = 1 << 10,
49 UsesSkinning = 1 << 11,
50 UsesMorphing = 1 << 12,
51 UsesViewIndex = 1 << 13,
52 UsesInputTexture = 1 << 14,
53 UsesClearcoat = 1 << 15,
54 UsesClearcoatFresnelScaleBias = 1 << 16,
55 UsesFresnelScaleBias = 1 << 17,
56 UsesTransmission = 1 << 18,
57 };
58 Q_DECLARE_FLAGS(Flags, Flag)
59
60 Flags flags;
61 QSet<QByteArray> customFunctions;
62 QSSGShaderFeatures features;
63};
64
65Q_DECLARE_OPERATORS_FOR_FLAGS(QSSGCustomShaderMetaData::Flags)
66
67class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGShaderLibraryManager
68{
69 Q_DISABLE_COPY(QSSGShaderLibraryManager)
70public:
71 typedef QHash<QByteArray, QByteArray> TPathDataMap;
72 typedef QSet<QString> TPathSet;
73
74 TPathDataMap m_expandedFiles;
75 QHash<QByteArray, QSSGCustomShaderMetaData> m_metadata;
76 QByteArray m_vertShader;
77 QByteArray m_fragShader;
78
79 QQsbCollection::EntryMap m_preGeneratedShaderEntries;
80
81 QReadWriteLock m_lock;
82
83 static QString getShaderCodeLibraryDirectory();
84
85 explicit QSSGShaderLibraryManager();
86
87 ~QSSGShaderLibraryManager();
88
89 void setShaderSource(const QByteArray &inShaderPathKey, QSSGShaderCache::ShaderType type,
90 const QByteArray &inSource, const QSSGCustomShaderMetaData &meta);
91
92 // Does not load any shaders, only information about the content of the pregenerated shaders
93 void loadPregeneratedShaderInfo();
94
95 void resolveIncludeFiles(QByteArray &theReadBuffer, const QByteArray &inMaterialInfoString);
96 QByteArray getIncludeContents(const QByteArray &inShaderPathKey);
97
98 QByteArray getShaderSource(const QByteArray &inShaderPathKey, QSSGShaderCache::ShaderType type);
99 QSSGCustomShaderMetaData getShaderMetaData(const QByteArray &inShaderPathKey, QSSGShaderCache::ShaderType type);
100
101 void setShaderCodeLibraryVersion(const QByteArray &version);
102
103 static bool compare(const QSSGShaderDefaultMaterialKey &key1, const QSSGShaderDefaultMaterialKey &key2);
104};
105
106QT_END_NAMESPACE
107
108#endif
109

source code of qtquick3d/src/runtimerender/resourcemanager/qssgrendershaderlibrarymanager_p.h