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3 | ** Copyright (C) 2016 The Qt Company Ltd. |
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5 | ** |
6 | ** This file is part of the QtCanvas3D module of the Qt Toolkit. |
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38 | ****************************************************************************/ |
39 | |
40 | #include "program3d_p.h" |
41 | |
42 | QT_BEGIN_NAMESPACE |
43 | QT_CANVAS3D_BEGIN_NAMESPACE |
44 | |
45 | /*! |
46 | * \qmltype Canvas3DProgram |
47 | * \since QtCanvas3D 1.0 |
48 | * \inqmlmodule QtCanvas3D |
49 | * \inherits Canvas3DAbstractObject |
50 | * \brief Contains a shader program. |
51 | * \deprecated |
52 | * |
53 | * \b{Deprecated in Qt 5.12.} |
54 | * An uncreatable QML type that contains a compiled shader program. You can get it by calling |
55 | * the \l{Context3D::createProgram()}{Context3D.createProgram()} method. |
56 | */ |
57 | |
58 | CanvasProgram::CanvasProgram(CanvasGlCommandQueue *queue, QObject *parent) : |
59 | CanvasAbstractObject(queue, parent), |
60 | m_programId(queue->createResourceId()), |
61 | m_linked(false) |
62 | { |
63 | queueCommand(id: CanvasGlCommandQueue::glCreateProgram, p1: m_programId); |
64 | } |
65 | |
66 | CanvasProgram::~CanvasProgram() |
67 | { |
68 | del(); |
69 | } |
70 | |
71 | bool CanvasProgram::isAlive() |
72 | { |
73 | return bool(m_programId); |
74 | } |
75 | |
76 | void CanvasProgram::attach(CanvasShader *shader) |
77 | { |
78 | if (m_programId) { |
79 | if (m_attachedShaders.count(t: shader) == 0) { |
80 | m_attachedShaders.append(t: shader); |
81 | queueCommand(id: CanvasGlCommandQueue::glAttachShader, p1: m_programId, p2: shader->id()); |
82 | } |
83 | } |
84 | } |
85 | |
86 | void CanvasProgram::detach(CanvasShader *shader) |
87 | { |
88 | if (m_programId) { |
89 | if (m_attachedShaders.count(t: shader) > 0) { |
90 | m_attachedShaders.removeOne(t: shader); |
91 | queueCommand(id: CanvasGlCommandQueue::glDetachShader, p1: m_programId, p2: shader->id()); |
92 | } |
93 | } |
94 | } |
95 | |
96 | const QList<CanvasShader *> &CanvasProgram::attachedShaders() const |
97 | { |
98 | return m_attachedShaders; |
99 | } |
100 | |
101 | void CanvasProgram::link() |
102 | { |
103 | if (m_programId) { |
104 | queueCommand(id: CanvasGlCommandQueue::glLinkProgram, p1: m_programId); |
105 | m_linked = true; |
106 | } |
107 | } |
108 | |
109 | bool CanvasProgram::isLinked() |
110 | { |
111 | // This method reports true if linking has been attempted for this program. |
112 | // We don't know if linking will be successful. |
113 | return m_linked; |
114 | } |
115 | |
116 | void CanvasProgram::useProgram() |
117 | { |
118 | if (m_programId) |
119 | queueCommand(id: CanvasGlCommandQueue::glUseProgram, p1: m_programId); |
120 | } |
121 | |
122 | void CanvasProgram::bindAttributeLocation(int index, const QString &name) |
123 | { |
124 | if (m_programId) { |
125 | queueCommand(id: CanvasGlCommandQueue::glBindAttribLocation, data: new QByteArray(name.toLatin1()), |
126 | p1: m_programId, p2: GLint(index)); |
127 | } |
128 | } |
129 | |
130 | void CanvasProgram::del() |
131 | { |
132 | if (m_programId) { |
133 | queueCommand(id: CanvasGlCommandQueue::glDeleteProgram, p1: m_programId); |
134 | m_programId = 0; |
135 | } |
136 | m_attachedShaders.clear(); |
137 | } |
138 | |
139 | void CanvasProgram::validateProgram() |
140 | { |
141 | if (m_programId) |
142 | queueCommand(id: CanvasGlCommandQueue::glValidateProgram, p1: m_programId); |
143 | } |
144 | |
145 | GLint CanvasProgram::id() |
146 | { |
147 | return m_programId; |
148 | } |
149 | |
150 | QDebug operator<<(QDebug dbg, const CanvasProgram *program) |
151 | { |
152 | if (program) |
153 | dbg.nospace() << "Canvas3DProgram(" << program->name() << ", id:" << program->m_programId << ")" ; |
154 | else |
155 | dbg.nospace() << "Canvas3DProgram(" << ((void*) program) <<")" ; |
156 | return dbg.maybeSpace(); |
157 | } |
158 | |
159 | QT_CANVAS3D_END_NAMESPACE |
160 | QT_END_NAMESPACE |
161 | |