1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the plugins 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 The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://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
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 3 requirements
23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24 **
25 ** GNU General Public License Usage
26 ** Alternatively, this file may be used under the terms of the GNU
27 ** General Public License version 2.0 or (at your option) the GNU General
28 ** Public license version 3 or any later version approved by the KDE Free
29 ** Qt Foundation. The licenses are as published by the Free Software
30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31 ** included in the packaging of this file. Please review the following
32 ** information to ensure the GNU General Public License requirements will
33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34 ** https://www.gnu.org/licenses/gpl-3.0.html.
35 **
36 ** $QT_END_LICENSE$
37 **
38 ****************************************************************************/
39 
40 #include "qdirectfbglcontext.h"
41 
42 #include <directfbgl.h>
43 #include <dlfcn.h>
44 
45 #include <QDebug>
46 
47 QT_BEGIN_NAMESPACE
48 
QDirectFbGLContext(IDirectFBGL * glContext)49 QDirectFbGLContext::QDirectFbGLContext(IDirectFBGL *glContext)
50     : m_dfbGlContext(glContext)
51 {
52     DFBResult result;
53     DFBGLAttributes glAttribs;
54     result = m_dfbGlContext->GetAttributes(glContext, &glAttribs);
55     if (result == DFB_OK) {
56         m_windowFormat.setDepthBufferSize(glAttribs.depth_size);
57         m_windowFormat.setStencilBufferSize(glAttribs.stencil_size);
58 
59         m_windowFormat.setRedBufferSize(glAttribs.red_size);
60         m_windowFormat.setGreenBufferSize(glAttribs.green_size);
61         m_windowFormat.setBlueBufferSize(glAttribs.blue_size);
62         m_windowFormat.setAlphaBufferSize(glAttribs.alpha_size);
63 
64         m_windowFormat.setAccumBufferSize(glAttribs.accum_red_size);
65         m_windowFormat.setAlpha(glAttribs.accum_alpha_size);
66 
67         m_windowFormat.setDoubleBuffer(glAttribs.double_buffer);
68         m_windowFormat.setStereo(glAttribs.stereo);
69     }
70 }
71 
makeCurrent()72 void QDirectFbGLContext::makeCurrent()
73 {
74     QPlatformOpenGLContext::makeCurrent();
75     m_dfbGlContext->Lock(m_dfbGlContext);
76 }
77 
doneCurrent()78 void QDirectFbGLContext::doneCurrent()
79 {
80     QPlatformOpenGLContext::doneCurrent();
81     m_dfbGlContext->Unlock(m_dfbGlContext);
82 }
83 
getProcAddress(const char * procName)84 QFunctionPointer QDirectFbGLContext::getProcAddress(const char *procName)
85 {
86     void *proc;
87     DFBResult result = m_dfbGlContext->GetProcAddress(m_dfbGlContext, procName, &proc);
88     if (result == DFB_OK)
89         return (QFunctionPointer) proc;
90     return dlsym(RTLD_DEFAULT, procName);
91 }
92 
swapBuffers()93 void QDirectFbGLContext::swapBuffers()
94 {
95 //    m_dfbGlContext->Unlock(m_dfbGlContext); //maybe not in doneCurrent()
96     qDebug("Swap buffers");
97 }
98 
platformWindowFormat() const99 QPlatformWindowFormat QDirectFbGLContext::platformWindowFormat() const
100 {
101     return m_windowFormat;
102 }
103 
104 QT_END_NAMESPACE
105