| 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 QSSGSHADERMAPKEY_P_H |
| 6 | #define QSSGSHADERMAPKEY_P_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 <QtQuick3DRuntimeRender/private/qtquick3druntimerenderglobal_p.h> |
| 20 | #include <QtQuick3DRuntimeRender/private/qssgrendershaderkeys_p.h> |
| 21 | #include <QtQuick3DRuntimeRender/private/qssgrendershadercache_p.h> |
| 22 | |
| 23 | QT_BEGIN_NAMESPACE |
| 24 | |
| 25 | struct QSSGShaderMapKey |
| 26 | { |
| 27 | QByteArray m_name; |
| 28 | const QSSGShaderFeatures m_featuresOrig; |
| 29 | const QSSGShaderDefaultMaterialKey *m_materialKeyOrig; |
| 30 | QSSGShaderDefaultMaterialKey m_materialKeyCopy; |
| 31 | size_t m_hashCode; |
| 32 | |
| 33 | void detach() |
| 34 | { |
| 35 | if (m_materialKeyOrig) { |
| 36 | m_materialKeyCopy = *m_materialKeyOrig; |
| 37 | m_materialKeyOrig = nullptr; |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | QSSGShaderMapKey(const QByteArray &inName, |
| 42 | const QSSGShaderFeatures &inFeatures, |
| 43 | const QSSGShaderDefaultMaterialKey &inMaterialKey) |
| 44 | : m_name(inName), m_featuresOrig(inFeatures), m_materialKeyOrig(&inMaterialKey) |
| 45 | { |
| 46 | m_hashCode = qHash(key: m_name) ^ qHash(features: m_featuresOrig) ^ qHash(key: m_materialKeyOrig->hash()); |
| 47 | } |
| 48 | }; |
| 49 | |
| 50 | inline bool operator==(const QSSGShaderMapKey &a, const QSSGShaderMapKey &b) Q_DECL_NOTHROW |
| 51 | { |
| 52 | if (a.m_name != b.m_name) |
| 53 | return false; |
| 54 | |
| 55 | const QSSGShaderDefaultMaterialKey *keyA = a.m_materialKeyOrig ? a.m_materialKeyOrig : &a.m_materialKeyCopy; |
| 56 | const QSSGShaderDefaultMaterialKey *keyB = b.m_materialKeyOrig ? b.m_materialKeyOrig : &b.m_materialKeyCopy; |
| 57 | if (!(*keyA == *keyB)) |
| 58 | return false; |
| 59 | |
| 60 | return (a.m_featuresOrig == b.m_featuresOrig); |
| 61 | } |
| 62 | |
| 63 | inline size_t qHash(const QSSGShaderMapKey &key, size_t seed) |
| 64 | { |
| 65 | return key.m_hashCode ^ seed; |
| 66 | } |
| 67 | |
| 68 | QT_END_NAMESPACE |
| 69 | |
| 70 | #endif |
| 71 |