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2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the QtCanvas3D module of the Qt Toolkit. |
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38 | ****************************************************************************/ |
39 | |
40 | #include "texture3d_p.h" |
41 | #include "glcommandqueue_p.h" |
42 | |
43 | QT_BEGIN_NAMESPACE |
44 | QT_CANVAS3D_BEGIN_NAMESPACE |
45 | |
46 | /*! |
47 | * \qmltype Canvas3DTexture |
48 | * \since QtCanvas3D 1.0 |
49 | * \inqmlmodule QtCanvas3D |
50 | * \inherits Canvas3DAbstractObject |
51 | * \brief Contains an OpenGL texture. |
52 | * \deprecated |
53 | * |
54 | * \b{Deprecated in Qt 5.12.} |
55 | * An uncreatable QML type that contains an OpenGL texture. You can get it by calling |
56 | * the \l{Context3D::createTexture()}{Context3D.createTexture()} method. |
57 | */ |
58 | |
59 | CanvasTexture::CanvasTexture(CanvasGlCommandQueue *queue, CanvasContext *context, |
60 | QQuickItem *quickItem) : |
61 | CanvasAbstractObject(queue, context), |
62 | m_textureId(queue->createResourceId()), |
63 | m_isAlive(true), |
64 | m_context(context), |
65 | m_quickItem(quickItem) |
66 | { |
67 | if (m_quickItem) |
68 | connect(sender: m_quickItem, signal: &QObject::destroyed, receiver: this, slot: &CanvasTexture::handleItemDestroyed); |
69 | else |
70 | queueCommand(id: CanvasGlCommandQueue::glGenTextures, p1: m_textureId); |
71 | } |
72 | |
73 | CanvasTexture::~CanvasTexture() |
74 | { |
75 | del(); |
76 | } |
77 | |
78 | void CanvasTexture::bind(CanvasContext::glEnums target) |
79 | { |
80 | if (m_textureId) |
81 | queueCommand(id: CanvasGlCommandQueue::glBindTexture, p1: GLint(target), p2: m_textureId); |
82 | } |
83 | |
84 | GLint CanvasTexture::textureId() const |
85 | { |
86 | if (!m_isAlive) |
87 | return 0; |
88 | |
89 | return m_textureId; |
90 | } |
91 | |
92 | void CanvasTexture::handleItemDestroyed() |
93 | { |
94 | del(); |
95 | } |
96 | |
97 | bool CanvasTexture::isAlive() const |
98 | { |
99 | return bool(m_textureId); |
100 | } |
101 | |
102 | void CanvasTexture::del() |
103 | { |
104 | if (!invalidated() && m_textureId) { |
105 | if (m_quickItem) { |
106 | m_context->quickItemToTextureMap().remove(akey: m_quickItem); |
107 | m_quickItem = 0; |
108 | queueCommand(id: CanvasGlCommandQueue::internalClearQuickItemAsTexture, p1: m_textureId); |
109 | } else { |
110 | queueCommand(id: CanvasGlCommandQueue::glDeleteTextures, p1: m_textureId); |
111 | } |
112 | } |
113 | m_textureId = 0; |
114 | } |
115 | |
116 | QDebug operator<<(QDebug dbg, const CanvasTexture *texture) |
117 | { |
118 | if (texture) |
119 | dbg.nospace() << "Canvas3DTexture(" << ((void*) texture) << ", name:" << texture->name() << ", id:" << texture->textureId() << ")" ; |
120 | else |
121 | dbg.nospace() << "Canvas3DTexture(" << ((void*) texture) <<")" ; |
122 | return dbg.maybeSpace(); |
123 | } |
124 | |
125 | QT_CANVAS3D_END_NAMESPACE |
126 | QT_END_NAMESPACE |
127 | |