qglpaintdevice.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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9** Commercial License Usage-
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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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20** Software Foundation and appearing in the file LICENSE.LGPLv21 and-
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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25**-
26** As a special exception, The Qt Company gives you certain additional-
27** rights. These rights are described in The Qt Company LGPL Exception-
28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
29**-
30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include <private/qglpaintdevice_p.h>-
35#include <private/qgl_p.h>-
36#include <private/qglpixelbuffer_p.h>-
37#include <private/qglframebufferobject_p.h>-
38#include <qopenglfunctions.h>-
39#include <qwindow.h>-
40-
41QT_BEGIN_NAMESPACE-
42-
43QGLPaintDevice::QGLPaintDevice()-
44 : m_thisFBO(0)-
45{-
46}
executed 12 times by 3 tests: end of block
Executed by:
  • tst_qglbuffer - unknown status
  • tst_qglfunctions - unknown status
  • tst_qmdiarea - unknown status
12
47-
48QGLPaintDevice::~QGLPaintDevice()-
49{-
50}-
51-
52int QGLPaintDevice::metric(QPaintDevice::PaintDeviceMetric metric) const-
53{-
54 switch(metric) {-
55 case PdmWidth:
never executed: case PdmWidth:
0
56 return size().width();
never executed: return size().width();
0
57 case PdmHeight:
never executed: case PdmHeight:
0
58 return size().height();
never executed: return size().height();
0
59 case PdmDepth: {
never executed: case PdmDepth:
0
60 const QGLFormat f = format();-
61 return f.redBufferSize() + f.greenBufferSize() + f.blueBufferSize() + f.alphaBufferSize();
never executed: return f.redBufferSize() + f.greenBufferSize() + f.blueBufferSize() + f.alphaBufferSize();
0
62 }-
63 case PdmDevicePixelRatio:
never executed: case PdmDevicePixelRatio:
0
64 return 1;
never executed: return 1;
0
65 case PdmDevicePixelRatioScaled:
never executed: case PdmDevicePixelRatioScaled:
0
66 return 1 * QPaintDevice::devicePixelRatioFScale();
never executed: return 1 * QPaintDevice::devicePixelRatioFScale();
0
67 default:
never executed: default:
0
68 qWarning("QGLPaintDevice::metric() - metric %d not known", metric);-
69 return 0;
never executed: return 0;
0
70 }-
71}-
72-
73void QGLPaintDevice::beginPaint()-
74{-
75 // Make sure our context is the current one:-
76 QGLContext *ctx = context();-
77 ctx->makeCurrent();-
78-
79 ctx->d_func()->refreshCurrentFbo();-
80-
81 // Record the currently bound FBO so we can restore it again-
82 // in endPaint() and bind this device's FBO-
83 //-
84 // Note: m_thisFBO could be zero if the paint device is not-
85 // backed by an FBO (e.g. window back buffer). But there could-
86 // be a previous FBO bound to the context which we need to-
87 // explicitly unbind. Otherwise the painting will go into-
88 // the previous FBO instead of to the window.-
89 m_previousFBO = ctx->d_func()->current_fbo;-
90-
91 if (m_previousFBO != m_thisFBO) {
m_previousFBO != m_thisFBODescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
0-2
92 ctx->d_func()->setCurrentFbo(m_thisFBO);-
93 ctx->contextHandle()->functions()->glBindFramebuffer(GL_FRAMEBUFFER, m_thisFBO);-
94 }
never executed: end of block
0
95-
96 // Set the default fbo for the context to m_thisFBO so that-
97 // if some raw GL code between beginNativePainting() and-
98 // endNativePainting() calls QGLFramebufferObject::release(),-
99 // painting will revert to the window surface's fbo.-
100 ctx->d_ptr->default_fbo = m_thisFBO;-
101}
executed 2 times by 1 test: end of block
Executed by:
  • tst_qmdiarea - unknown status
2
102-
103void QGLPaintDevice::ensureActiveTarget()-
104{-
105 QGLContext* ctx = context();-
106 if (ctx != QGLContext::currentContext())
ctx != QGLCont...rrentContext()Description
TRUEnever evaluated
FALSEevaluated 28 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
0-28
107 ctx->makeCurrent();
never executed: ctx->makeCurrent();
0
108-
109 ctx->d_func()->refreshCurrentFbo();-
110-
111 if (ctx->d_ptr->current_fbo != m_thisFBO) {
ctx->d_ptr->cu...o != m_thisFBODescription
TRUEnever evaluated
FALSEevaluated 28 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
0-28
112 ctx->d_func()->setCurrentFbo(m_thisFBO);-
113 ctx->contextHandle()->functions()->glBindFramebuffer(GL_FRAMEBUFFER, m_thisFBO);-
114 }
never executed: end of block
0
115-
116 ctx->d_ptr->default_fbo = m_thisFBO;-
117}
executed 28 times by 1 test: end of block
Executed by:
  • tst_qmdiarea - unknown status
28
118-
119void QGLPaintDevice::endPaint()-
120{-
121 // Make sure the FBO bound at beginPaint is re-bound again here:-
122 QGLContext *ctx = context();-
123-
124 ctx->d_func()->refreshCurrentFbo();-
125-
126 if (m_previousFBO != ctx->d_func()->current_fbo) {
m_previousFBO ...)->current_fboDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
0-2
127 ctx->d_func()->setCurrentFbo(m_previousFBO);-
128 ctx->contextHandle()->functions()->glBindFramebuffer(GL_FRAMEBUFFER, m_previousFBO);-
129 }
never executed: end of block
0
130-
131 ctx->d_ptr->default_fbo = 0;-
132}
executed 2 times by 1 test: end of block
Executed by:
  • tst_qmdiarea - unknown status
2
133-
134QGLFormat QGLPaintDevice::format() const-
135{-
136 return context()->format();
never executed: return context()->format();
0
137}-
138-
139bool QGLPaintDevice::alphaRequested() const-
140{-
141 return context()->d_func()->reqFormat.alpha();
never executed: return context()->d_func()->reqFormat.alpha();
0
142}-
143-
144bool QGLPaintDevice::isFlipped() const-
145{-
146 return false;
executed 2 times by 1 test: return false;
Executed by:
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2
147}-
148-
149////////////////// QGLWidgetGLPaintDevice //////////////////-
150-
151QGLWidgetGLPaintDevice::QGLWidgetGLPaintDevice()-
152{-
153}-
154-
155QPaintEngine* QGLWidgetGLPaintDevice::paintEngine() const-
156{-
157 return glWidget->paintEngine();
never executed: return glWidget->paintEngine();
0
158}-
159-
160void QGLWidgetGLPaintDevice::setWidget(QGLWidget* w)-
161{-
162 glWidget = w;-
163}
executed 12 times by 3 tests: end of block
Executed by:
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  • tst_qglfunctions - unknown status
  • tst_qmdiarea - unknown status
12
164-
165void QGLWidgetGLPaintDevice::beginPaint()-
166{-
167 QGLPaintDevice::beginPaint();-
168 QOpenGLFunctions *funcs = QOpenGLContext::currentContext()->functions();-
169 if (!glWidget->d_func()->disable_clear_on_painter_begin && glWidget->autoFillBackground()) {
!glWidget->d_f..._painter_beginDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
FALSEnever evaluated
glWidget->autoFillBackground()Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
FALSEnever evaluated
0-2
170 if (glWidget->testAttribute(Qt::WA_TranslucentBackground))
glWidget->test...entBackground)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
0-2
171 funcs->glClearColor(0.0, 0.0, 0.0, 0.0);
never executed: funcs->glClearColor(0.0, 0.0, 0.0, 0.0);
0
172 else {-
173 const QColor &c = glWidget->palette().brush(glWidget->backgroundRole()).color();-
174 float alpha = c.alphaF();-
175 funcs->glClearColor(c.redF() * alpha, c.greenF() * alpha, c.blueF() * alpha, alpha);-
176 }
executed 2 times by 1 test: end of block
Executed by:
  • tst_qmdiarea - unknown status
2
177 if (context()->d_func()->workaround_needsFullClearOnEveryFrame)
context()->d_f...arOnEveryFrameDescription
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
0-2
178 funcs->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
never executed: funcs->glClear(0x00004000 | 0x00000100 | 0x00000400);
0
179 else-
180 funcs->glClear(GL_COLOR_BUFFER_BIT);
executed 2 times by 1 test: funcs->glClear(0x00004000);
Executed by:
  • tst_qmdiarea - unknown status
2
181 }-
182}
executed 2 times by 1 test: end of block
Executed by:
  • tst_qmdiarea - unknown status
2
183-
184void QGLWidgetGLPaintDevice::endPaint()-
185{-
186 if (glWidget->autoBufferSwap())
glWidget->autoBufferSwap()Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • tst_qmdiarea - unknown status
FALSEnever evaluated
0-2
187 glWidget->swapBuffers();
executed 2 times by 1 test: glWidget->swapBuffers();
Executed by:
  • tst_qmdiarea - unknown status
2
188 QGLPaintDevice::endPaint();-
189}
executed 2 times by 1 test: end of block
Executed by:
  • tst_qmdiarea - unknown status
2
190-
191-
192QSize QGLWidgetGLPaintDevice::size() const-
193{-
194#ifdef Q_OS_MAC-
195 return glWidget->size() * (glWidget->windowHandle() ?-
196 glWidget->windowHandle()->devicePixelRatio() : qApp->devicePixelRatio());-
197#else-
198 return glWidget->size();
executed 2 times by 1 test: return glWidget->size();
Executed by:
  • tst_qmdiarea - unknown status
2
199#endif-
200}-
201-
202QGLContext* QGLWidgetGLPaintDevice::context() const-
203{-
204 return const_cast<QGLContext*>(glWidget->context());
executed 36 times by 1 test: return const_cast<QGLContext*>(glWidget->context());
Executed by:
  • tst_qmdiarea - unknown status
36
205}-
206-
207// returns the QGLPaintDevice for the given QPaintDevice-
208QGLPaintDevice* QGLPaintDevice::getDevice(QPaintDevice* pd)-
209{-
210 QGLPaintDevice* glpd = 0;-
211-
212 switch(pd->devType()) {-
213 case QInternal::Widget:
executed 2 times by 1 test: case QInternal::Widget:
Executed by:
  • tst_qmdiarea - unknown status
2
214 // Should not be called on a non-gl widget:-
215 Q_ASSERT(qobject_cast<QGLWidget*>(static_cast<QWidget*>(pd)));-
216 glpd = &(static_cast<QGLWidget*>(pd)->d_func()->glDevice);-
217 break;
executed 2 times by 1 test: break;
Executed by:
  • tst_qmdiarea - unknown status
2
218 case QInternal::Pbuffer:
never executed: case QInternal::Pbuffer:
0
219 glpd = &(static_cast<QGLPixelBuffer*>(pd)->d_func()->glDevice);-
220 break;
never executed: break;
0
221 case QInternal::FramebufferObject:
never executed: case QInternal::FramebufferObject:
0
222 glpd = &(static_cast<QGLFramebufferObject*>(pd)->d_func()->glDevice);-
223 break;
never executed: break;
0
224 case QInternal::Pixmap: {
never executed: case QInternal::Pixmap:
0
225 qWarning("Pixmap type not supported for GL rendering");-
226 break;
never executed: break;
0
227 }-
228 default:
never executed: default:
0
229 qWarning("QGLPaintDevice::getDevice() - Unknown device type %d", pd->devType());-
230 break;
never executed: break;
0
231 }-
232-
233 return glpd;
executed 2 times by 1 test: return glpd;
Executed by:
  • tst_qmdiarea - unknown status
2
234}-
235-
236QT_END_NAMESPACE-
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