qeglfscontext.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 plugins of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL21$-
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17** GNU Lesser General Public License Usage-
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28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
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30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include "qeglfsglobal.h"-
35#include <QtGui/QSurface>-
36#include <QtPlatformSupport/private/qeglconvenience_p.h>-
37#include <QtPlatformSupport/private/qeglpbuffer_p.h>-
38-
39#include "qeglfscontext.h"-
40#include "qeglfswindow.h"-
41#include "qeglfshooks.h"-
42#include "qeglfscursor.h"-
43-
44QT_BEGIN_NAMESPACE-
45-
46QEglFSContext::QEglFSContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display,-
47 EGLConfig *config, const QVariant &nativeHandle)-
48 : QEGLPlatformContext(format, share, display, config, nativeHandle,-
49 qt_egl_device_integration()->supportsSurfacelessContexts() ? Flags(0) : QEGLPlatformContext::NoSurfaceless),-
50 m_tempWindow(0)-
51{-
52}
never executed: end of block
0
53-
54EGLSurface QEglFSContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface)-
55{-
56 if (surface->surface()->surfaceClass() == QSurface::Window)
surface->surfa...urface::WindowDescription
TRUEnever evaluated
FALSEnever evaluated
0
57 return static_cast<QEglFSWindow *>(surface)->surface();
never executed: return static_cast<QEglFSWindow *>(surface)->surface();
0
58 else-
59 return static_cast<QEGLPbuffer *>(surface)->pbuffer();
never executed: return static_cast<QEGLPbuffer *>(surface)->pbuffer();
0
60}-
61-
62EGLSurface QEglFSContext::createTemporaryOffscreenSurface()-
63{-
64 if (qt_egl_device_integration()->supportsPBuffers())
qt_egl_device_...ortsPBuffers()Description
TRUEnever evaluated
FALSEnever evaluated
0
65 return QEGLPlatformContext::createTemporaryOffscreenSurface();
never executed: return QEGLPlatformContext::createTemporaryOffscreenSurface();
0
66-
67 if (!m_tempWindow) {
!m_tempWindowDescription
TRUEnever evaluated
FALSEnever evaluated
0
68 m_tempWindow = qt_egl_device_integration()->createNativeOffscreenWindow(format());-
69 if (!m_tempWindow) {
!m_tempWindowDescription
TRUEnever evaluated
FALSEnever evaluated
0
70 qWarning("QEglFSContext: Failed to create temporary native window");-
71 return EGL_NO_SURFACE;
never executed: return ((EGLSurface)0);
0
72 }-
73 }
never executed: end of block
0
74 EGLConfig config = q_configFromGLFormat(eglDisplay(), format());-
75 return eglCreateWindowSurface(eglDisplay(), config, m_tempWindow, 0);
never executed: return eglCreateWindowSurface(eglDisplay(), config, m_tempWindow, 0);
0
76}-
77-
78void QEglFSContext::destroyTemporaryOffscreenSurface(EGLSurface surface)-
79{-
80 if (qt_egl_device_integration()->supportsPBuffers()) {
qt_egl_device_...ortsPBuffers()Description
TRUEnever evaluated
FALSEnever evaluated
0
81 QEGLPlatformContext::destroyTemporaryOffscreenSurface(surface);-
82 } else {
never executed: end of block
0
83 eglDestroySurface(eglDisplay(), surface);-
84 qt_egl_device_integration()->destroyNativeWindow(m_tempWindow);-
85 m_tempWindow = 0;-
86 }
never executed: end of block
0
87}-
88-
89void QEglFSContext::runGLChecks()-
90{-
91 // Note that even though there is an EGL context current here,-
92 // QOpenGLContext and QOpenGLFunctions are not yet usable at this stage.-
93 const char *renderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));-
94 // Be nice and warn about a common source of confusion.-
95 if (renderer && strstr(renderer, "llvmpipe"))
rendererDescription
TRUEnever evaluated
FALSEnever evaluated
strstr(renderer, "llvmpipe")Description
TRUEnever evaluated
FALSEnever evaluated
0
96 qWarning("Running on a software rasterizer (LLVMpipe), expect limited performance.");
never executed: QMessageLogger(__FILE__, 96, __PRETTY_FUNCTION__).warning("Running on a software rasterizer (LLVMpipe), expect limited performance.");
0
97}
never executed: end of block
0
98-
99void QEglFSContext::swapBuffers(QPlatformSurface *surface)-
100{-
101 // draw the cursor-
102 if (surface->surface()->surfaceClass() == QSurface::Window) {
surface->surfa...urface::WindowDescription
TRUEnever evaluated
FALSEnever evaluated
0
103 QPlatformWindow *window = static_cast<QPlatformWindow *>(surface);-
104 if (QEglFSCursor *cursor = qobject_cast<QEglFSCursor *>(window->screen()->cursor()))
QEglFSCursor *...n()->cursor())Description
TRUEnever evaluated
FALSEnever evaluated
0
105 cursor->paintOnScreen();
never executed: cursor->paintOnScreen();
0
106 }
never executed: end of block
0
107-
108 qt_egl_device_integration()->waitForVSync(surface);-
109 QEGLPlatformContext::swapBuffers(surface);-
110 qt_egl_device_integration()->presentBuffer(surface);-
111}
never executed: end of block
0
112-
113QT_END_NAMESPACE-
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