qglcustomshaderstage.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp
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1/****************************************************************************-
2**-
3** Copyright (C) 2015 The Qt Company Ltd.-
4** Contact: http://www.qt.io/licensing/-
5**-
6** This file is part of the QtOpenGL module of the Qt Toolkit.-
7**-
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15** information use the contact form at http://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
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21** LICENSE.LGPLv3 included in the packaging of this file. Please review the-
22** following information to ensure the GNU Lesser General Public License-
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28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
29**-
30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include "qglcustomshaderstage_p.h"-
35#include "qglengineshadermanager_p.h"-
36#include "qpaintengineex_opengl2_p.h"-
37#include <private/qpainter_p.h>-
38-
39QT_BEGIN_NAMESPACE-
40-
41class QGLCustomShaderStagePrivate-
42{-
43public:-
44 QGLCustomShaderStagePrivate() :-
45 m_manager(0) {}
never executed: end of block
0
46-
47 QPointer<QGLEngineShaderManager> m_manager;-
48 QByteArray m_source;-
49};-
50-
51-
52-
53-
54QGLCustomShaderStage::QGLCustomShaderStage()-
55 : d_ptr(new QGLCustomShaderStagePrivate)-
56{-
57}
never executed: end of block
0
58-
59QGLCustomShaderStage::~QGLCustomShaderStage()-
60{-
61 Q_D(QGLCustomShaderStage);-
62 if (d->m_manager) {
d->m_managerDescription
TRUEnever evaluated
FALSEnever evaluated
0
63 d->m_manager->removeCustomStage();-
64 d->m_manager->sharedShaders->cleanupCustomStage(this);-
65 }
never executed: end of block
0
66 delete d_ptr;-
67}
never executed: end of block
0
68-
69void QGLCustomShaderStage::setUniformsDirty()-
70{-
71 Q_D(QGLCustomShaderStage);-
72 if (d->m_manager)
d->m_managerDescription
TRUEnever evaluated
FALSEnever evaluated
0
73 d->m_manager->setDirty(); // ### Probably a bit overkill!
never executed: d->m_manager->setDirty();
0
74}
never executed: end of block
0
75-
76bool QGLCustomShaderStage::setOnPainter(QPainter* p)-
77{-
78 Q_D(QGLCustomShaderStage);-
79 if (p->paintEngine()->type() != QPaintEngine::OpenGL2) {
p->paintEngine...ngine::OpenGL2Description
TRUEnever evaluated
FALSEnever evaluated
0
80 qWarning("QGLCustomShaderStage::setOnPainter() - paint engine not OpenGL2");-
81 return false;
never executed: return false;
0
82 }-
83 if (d->m_manager)
d->m_managerDescription
TRUEnever evaluated
FALSEnever evaluated
0
84 qWarning("Custom shader is already set on a painter");
never executed: QMessageLogger(__FILE__, 84, __PRETTY_FUNCTION__).warning("Custom shader is already set on a painter");
0
85-
86 QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx*>(p->paintEngine());-
87 d->m_manager = QGL2PaintEngineExPrivate::shaderManagerForEngine(engine);-
88 Q_ASSERT(d->m_manager);-
89-
90 d->m_manager->setCustomStage(this);-
91 return true;
never executed: return true;
0
92}-
93-
94void QGLCustomShaderStage::removeFromPainter(QPainter* p)-
95{-
96 Q_D(QGLCustomShaderStage);-
97 if (p->paintEngine()->type() != QPaintEngine::OpenGL2)
p->paintEngine...ngine::OpenGL2Description
TRUEnever evaluated
FALSEnever evaluated
0
98 return;
never executed: return;
0
99-
100 QGL2PaintEngineEx *engine = static_cast<QGL2PaintEngineEx*>(p->paintEngine());-
101 d->m_manager = QGL2PaintEngineExPrivate::shaderManagerForEngine(engine);-
102 Q_ASSERT(d->m_manager);-
103-
104 // Just set the stage to null, don't call removeCustomStage().-
105 // This should leave the program in a compiled/linked state-
106 // if the next custom shader stage is this one again.-
107 d->m_manager->setCustomStage(0);-
108 d->m_manager = 0;-
109}
never executed: end of block
0
110-
111QByteArray QGLCustomShaderStage::source() const-
112{-
113 Q_D(const QGLCustomShaderStage);-
114 return d->m_source;
never executed: return d->m_source;
0
115}-
116-
117// Called by the shader manager if another custom shader is attached or-
118// the manager is deleted-
119void QGLCustomShaderStage::setInactive()-
120{-
121 Q_D(QGLCustomShaderStage);-
122 d->m_manager = 0;-
123}
never executed: end of block
0
124-
125void QGLCustomShaderStage::setSource(const QByteArray& s)-
126{-
127 Q_D(QGLCustomShaderStage);-
128 d->m_source = s;-
129}
never executed: end of block
0
130-
131QT_END_NAMESPACE-
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