qglpaintdevice.cpp

Source codeSwitch to Preprocessed file
LineSource CodeCoverage
1/**************************************************************************** -
2** -
3** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -
4** Contact: http://www.qt-project.org/legal -
5** -
6** This file is part of the QtOpenGL module of the Qt Toolkit. -
7** -
8** $QT_BEGIN_LICENSE:LGPL$ -
9** Commercial License Usage -
10** Licensees holding valid commercial Qt licenses may use this file in -
11** accordance with the commercial license agreement provided with the -
12** Software or, alternatively, in accordance with the terms contained in -
13** a written agreement between you and Digia. For licensing terms and -
14** conditions see http://qt.digia.com/licensing. For further information -
15** use the contact form at http://qt.digia.com/contact-us. -
16** -
17** GNU Lesser General Public License Usage -
18** Alternatively, this file may be used under the terms of the GNU Lesser -
19** General Public License version 2.1 as published by the Free Software -
20** Foundation and appearing in the file LICENSE.LGPL included in the -
21** packaging of this file. Please review the following information to -
22** ensure the GNU Lesser General Public License version 2.1 requirements -
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -
24** -
25** In addition, as a special exception, Digia gives you certain additional -
26** rights. These rights are described in the Digia Qt LGPL Exception -
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -
28** -
29** GNU General Public License Usage -
30** Alternatively, this file may be used under the terms of the GNU -
31** General Public License version 3.0 as published by the Free Software -
32** Foundation and appearing in the file LICENSE.GPL included in the -
33** packaging of this file. Please review the following information to -
34** ensure the GNU General Public License version 3.0 requirements will be -
35** met: http://www.gnu.org/copyleft/gpl.html. -
36** -
37** -
38** $QT_END_LICENSE$ -
39** -
40****************************************************************************/ -
41 -
42#include <private/qglpaintdevice_p.h> -
43#include <private/qgl_p.h> -
44#include <private/qglpixelbuffer_p.h> -
45#include <private/qglframebufferobject_p.h> -
46#include <qopenglfunctions.h> -
47 -
48QT_BEGIN_NAMESPACE -
49 -
50QGLPaintDevice::QGLPaintDevice() -
51 : m_thisFBO(0) -
52{ -
53}
never executed: }
0
54 -
55QGLPaintDevice::~QGLPaintDevice() -
56{ -
57} -
58 -
59int QGLPaintDevice::metric(QPaintDevice::PaintDeviceMetric metric) const -
60{ -
61 switch(metric) { -
62 case PdmWidth: -
63 return size().width();
never executed: return size().width();
0
64 case PdmHeight: -
65 return size().height();
never executed: return size().height();
0
66 case PdmDepth: { -
67 const QGLFormat f = format();
never executed (the execution status of this line is deduced): const QGLFormat f = format();
-
68 return f.redBufferSize() + f.greenBufferSize() + f.blueBufferSize() + f.alphaBufferSize();
never executed: return f.redBufferSize() + f.greenBufferSize() + f.blueBufferSize() + f.alphaBufferSize();
0
69 } -
70 default: -
71 qWarning("QGLPaintDevice::metric() - metric %d not known", metric);
never executed (the execution status of this line is deduced): QMessageLogger("qglpaintdevice.cpp", 71, __PRETTY_FUNCTION__).warning("QGLPaintDevice::metric() - metric %d not known", metric);
-
72 return 0;
never executed: return 0;
0
73 } -
74}
never executed: }
0
75 -
76void QGLPaintDevice::beginPaint() -
77{ -
78 // Make sure our context is the current one: -
79 QGLContext *ctx = context();
never executed (the execution status of this line is deduced): QGLContext *ctx = context();
-
80 ctx->makeCurrent();
never executed (the execution status of this line is deduced): ctx->makeCurrent();
-
81 -
82 // Record the currently bound FBO so we can restore it again -
83 // in endPaint() and bind this device's FBO -
84 // -
85 // Note: m_thisFBO could be zero if the paint device is not -
86 // backed by an FBO (e.g. window back buffer). But there could -
87 // be a previous FBO bound to the context which we need to -
88 // explicitly unbind. Otherwise the painting will go into -
89 // the previous FBO instead of to the window. -
90 m_previousFBO = ctx->d_func()->current_fbo;
never executed (the execution status of this line is deduced): m_previousFBO = ctx->d_func()->current_fbo;
-
91 -
92 if (m_previousFBO != m_thisFBO) {
never evaluated: m_previousFBO != m_thisFBO
0
93 ctx->d_ptr->current_fbo = m_thisFBO;
never executed (the execution status of this line is deduced): ctx->d_ptr->current_fbo = m_thisFBO;
-
94 ctx->contextHandle()->functions()->glBindFramebuffer(GL_FRAMEBUFFER, m_thisFBO);
never executed (the execution status of this line is deduced): ctx->contextHandle()->functions()->glBindFramebuffer(0x8D40, m_thisFBO);
-
95 }
never executed: }
0
96 -
97 // Set the default fbo for the context to m_thisFBO so that -
98 // if some raw GL code between beginNativePainting() and -
99 // endNativePainting() calls QGLFramebufferObject::release(), -
100 // painting will revert to the window surface's fbo. -
101 ctx->d_ptr->default_fbo = m_thisFBO;
never executed (the execution status of this line is deduced): ctx->d_ptr->default_fbo = m_thisFBO;
-
102}
never executed: }
0
103 -
104void QGLPaintDevice::ensureActiveTarget() -
105{ -
106 QGLContext* ctx = context();
never executed (the execution status of this line is deduced): QGLContext* ctx = context();
-
107 if (ctx != QGLContext::currentContext())
never evaluated: ctx != QGLContext::currentContext()
0
108 ctx->makeCurrent();
never executed: ctx->makeCurrent();
0
109 -
110 if (ctx->d_ptr->current_fbo != m_thisFBO) {
never evaluated: ctx->d_ptr->current_fbo != m_thisFBO
0
111 ctx->d_ptr->current_fbo = m_thisFBO;
never executed (the execution status of this line is deduced): ctx->d_ptr->current_fbo = m_thisFBO;
-
112 ctx->contextHandle()->functions()->glBindFramebuffer(GL_FRAMEBUFFER, m_thisFBO);
never executed (the execution status of this line is deduced): ctx->contextHandle()->functions()->glBindFramebuffer(0x8D40, m_thisFBO);
-
113 }
never executed: }
0
114 -
115 ctx->d_ptr->default_fbo = m_thisFBO;
never executed (the execution status of this line is deduced): ctx->d_ptr->default_fbo = m_thisFBO;
-
116}
never executed: }
0
117 -
118void QGLPaintDevice::endPaint() -
119{ -
120 // Make sure the FBO bound at beginPaint is re-bound again here: -
121 QGLContext *ctx = context();
never executed (the execution status of this line is deduced): QGLContext *ctx = context();
-
122 if (m_previousFBO != ctx->d_func()->current_fbo) {
never evaluated: m_previousFBO != ctx->d_func()->current_fbo
0
123 ctx->d_ptr->current_fbo = m_previousFBO;
never executed (the execution status of this line is deduced): ctx->d_ptr->current_fbo = m_previousFBO;
-
124 ctx->contextHandle()->functions()->glBindFramebuffer(GL_FRAMEBUFFER, m_previousFBO);
never executed (the execution status of this line is deduced): ctx->contextHandle()->functions()->glBindFramebuffer(0x8D40, m_previousFBO);
-
125 }
never executed: }
0
126 -
127 ctx->d_ptr->default_fbo = 0;
never executed (the execution status of this line is deduced): ctx->d_ptr->default_fbo = 0;
-
128}
never executed: }
0
129 -
130QGLFormat QGLPaintDevice::format() const -
131{ -
132 return context()->format();
never executed: return context()->format();
0
133} -
134 -
135bool QGLPaintDevice::alphaRequested() const -
136{ -
137 return context()->d_func()->reqFormat.alpha();
never executed: return context()->d_func()->reqFormat.alpha();
0
138} -
139 -
140bool QGLPaintDevice::isFlipped() const -
141{ -
142 return false;
never executed: return false;
0
143} -
144 -
145////////////////// QGLWidgetGLPaintDevice ////////////////// -
146 -
147QGLWidgetGLPaintDevice::QGLWidgetGLPaintDevice() -
148{ -
149} -
150 -
151QPaintEngine* QGLWidgetGLPaintDevice::paintEngine() const -
152{ -
153 return glWidget->paintEngine();
never executed: return glWidget->paintEngine();
0
154} -
155 -
156void QGLWidgetGLPaintDevice::setWidget(QGLWidget* w) -
157{ -
158 glWidget = w;
never executed (the execution status of this line is deduced): glWidget = w;
-
159}
never executed: }
0
160 -
161void QGLWidgetGLPaintDevice::beginPaint() -
162{ -
163 QGLPaintDevice::beginPaint();
never executed (the execution status of this line is deduced): QGLPaintDevice::beginPaint();
-
164 if (!glWidget->d_func()->disable_clear_on_painter_begin && glWidget->autoFillBackground()) {
never evaluated: !glWidget->d_func()->disable_clear_on_painter_begin
never evaluated: glWidget->autoFillBackground()
0
165 if (glWidget->testAttribute(Qt::WA_TranslucentBackground))
never evaluated: glWidget->testAttribute(Qt::WA_TranslucentBackground)
0
166 glClearColor(0.0, 0.0, 0.0, 0.0);
never executed: glClearColor(0.0, 0.0, 0.0, 0.0);
0
167 else { -
168 const QColor &c = glWidget->palette().brush(glWidget->backgroundRole()).color();
never executed (the execution status of this line is deduced): const QColor &c = glWidget->palette().brush(glWidget->backgroundRole()).color();
-
169 float alpha = c.alphaF();
never executed (the execution status of this line is deduced): float alpha = c.alphaF();
-
170 glClearColor(c.redF() * alpha, c.greenF() * alpha, c.blueF() * alpha, alpha);
never executed (the execution status of this line is deduced): glClearColor(c.redF() * alpha, c.greenF() * alpha, c.blueF() * alpha, alpha);
-
171 }
never executed: }
0
172 if (context()->d_func()->workaround_needsFullClearOnEveryFrame)
never evaluated: context()->d_func()->workaround_needsFullClearOnEveryFrame
0
173 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
never executed: glClear(0x00004000 | 0x00000100 | 0x00000400);
0
174 else -
175 glClear(GL_COLOR_BUFFER_BIT);
never executed: glClear(0x00004000);
0
176 } -
177}
never executed: }
0
178 -
179void QGLWidgetGLPaintDevice::endPaint() -
180{ -
181 if (glWidget->autoBufferSwap())
never evaluated: glWidget->autoBufferSwap()
0
182 glWidget->swapBuffers();
never executed: glWidget->swapBuffers();
0
183 QGLPaintDevice::endPaint();
never executed (the execution status of this line is deduced): QGLPaintDevice::endPaint();
-
184}
never executed: }
0
185 -
186 -
187QSize QGLWidgetGLPaintDevice::size() const -
188{ -
189 return glWidget->size();
never executed: return glWidget->size();
0
190} -
191 -
192QGLContext* QGLWidgetGLPaintDevice::context() const -
193{ -
194 return const_cast<QGLContext*>(glWidget->context());
never executed: return const_cast<QGLContext*>(glWidget->context());
0
195} -
196 -
197// returns the QGLPaintDevice for the given QPaintDevice -
198QGLPaintDevice* QGLPaintDevice::getDevice(QPaintDevice* pd) -
199{ -
200 QGLPaintDevice* glpd = 0;
never executed (the execution status of this line is deduced): QGLPaintDevice* glpd = 0;
-
201 -
202 switch(pd->devType()) { -
203 case QInternal::Widget: -
204 // Should not be called on a non-gl widget: -
205 Q_ASSERT(qobject_cast<QGLWidget*>(static_cast<QWidget*>(pd)));
never executed (the execution status of this line is deduced): qt_noop();
-
206 glpd = &(static_cast<QGLWidget*>(pd)->d_func()->glDevice);
never executed (the execution status of this line is deduced): glpd = &(static_cast<QGLWidget*>(pd)->d_func()->glDevice);
-
207 break;
never executed: break;
0
208 case QInternal::Pbuffer: -
209 glpd = &(static_cast<QGLPixelBuffer*>(pd)->d_func()->glDevice);
never executed (the execution status of this line is deduced): glpd = &(static_cast<QGLPixelBuffer*>(pd)->d_func()->glDevice);
-
210 break;
never executed: break;
0
211 case QInternal::FramebufferObject: -
212 glpd = &(static_cast<QGLFramebufferObject*>(pd)->d_func()->glDevice);
never executed (the execution status of this line is deduced): glpd = &(static_cast<QGLFramebufferObject*>(pd)->d_func()->glDevice);
-
213 break;
never executed: break;
0
214 case QInternal::Pixmap: { -
215 qWarning("Pixmap type not supported for GL rendering");
never executed (the execution status of this line is deduced): QMessageLogger("qglpaintdevice.cpp", 215, __PRETTY_FUNCTION__).warning("Pixmap type not supported for GL rendering");
-
216 break;
never executed: break;
0
217 } -
218 default: -
219 qWarning("QGLPaintDevice::getDevice() - Unknown device type %d", pd->devType());
never executed (the execution status of this line is deduced): QMessageLogger("qglpaintdevice.cpp", 219, __PRETTY_FUNCTION__).warning("QGLPaintDevice::getDevice() - Unknown device type %d", pd->devType());
-
220 break;
never executed: break;
0
221 } -
222 -
223 return glpd;
never executed: return glpd;
0
224} -
225 -
226QT_END_NAMESPACE -
227 -
Source codeSwitch to Preprocessed file
Generated by Squish Coco Non-Commercial