1/****************************************************************************
2**
3** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
4** Copyright (C) 2016 The Qt Company Ltd.
5** Copyright (C) 2016 Pelagicore AG
6** Contact: https://www.qt.io/licensing/
7**
8** This file is part of the plugins of the Qt Toolkit.
9**
10** $QT_BEGIN_LICENSE:LGPL$
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21** General Public License version 3 as published by the Free Software
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24** ensure the GNU Lesser General Public License version 3 requirements
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27** GNU General Public License Usage
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29** General Public License version 2.0 or (at your option) the GNU General
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40****************************************************************************/
41
42#include "qeglfskmsintegration_p.h"
43#include "qeglfskmsscreen_p.h"
44
45#include <QtKmsSupport/private/qkmsdevice_p.h>
46
47#include <QtGui/qpa/qplatformwindow.h>
48#include <QtGui/QScreen>
49
50#include <xf86drm.h>
51#include <xf86drmMode.h>
52
53QT_BEGIN_NAMESPACE
54
55Q_LOGGING_CATEGORY(qLcEglfsKmsDebug, "qt.qpa.eglfs.kms")
56
57QEglFSKmsIntegration::QEglFSKmsIntegration()
58 : m_device(nullptr)
59{
60}
61
62QEglFSKmsIntegration::~QEglFSKmsIntegration()
63{
64}
65
66void QEglFSKmsIntegration::platformInit()
67{
68 qCDebug(qLcEglfsKmsDebug, "platformInit: Load Screen Config");
69 m_screenConfig = createScreenConfig();
70
71 qCDebug(qLcEglfsKmsDebug, "platformInit: Opening DRM device");
72 m_device = createDevice();
73 if (Q_UNLIKELY(!m_device->open()))
74 qFatal("Could not open DRM device");
75}
76
77void QEglFSKmsIntegration::platformDestroy()
78{
79 qCDebug(qLcEglfsKmsDebug, "platformDestroy: Closing DRM device");
80 m_device->close();
81 delete m_device;
82 m_device = nullptr;
83 delete m_screenConfig;
84 m_screenConfig = nullptr;
85}
86
87EGLNativeDisplayType QEglFSKmsIntegration::platformDisplay() const
88{
89 Q_ASSERT(m_device);
90 return (EGLNativeDisplayType) m_device->nativeDisplay();
91}
92
93bool QEglFSKmsIntegration::usesDefaultScreen()
94{
95 return false;
96}
97
98void QEglFSKmsIntegration::screenInit()
99{
100 m_device->createScreens();
101}
102
103QSurfaceFormat QEglFSKmsIntegration::surfaceFormatFor(const QSurfaceFormat &inputFormat) const
104{
105 QSurfaceFormat format(inputFormat);
106 format.setRenderableType(QSurfaceFormat::OpenGLES);
107 format.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
108 format.setRedBufferSize(8);
109 format.setGreenBufferSize(8);
110 format.setBlueBufferSize(8);
111 return format;
112}
113
114bool QEglFSKmsIntegration::hasCapability(QPlatformIntegration::Capability cap) const
115{
116 switch (cap) {
117 case QPlatformIntegration::ThreadedPixmaps:
118 case QPlatformIntegration::OpenGL:
119 case QPlatformIntegration::ThreadedOpenGL:
120 return true;
121 default:
122 return false;
123 }
124}
125
126void QEglFSKmsIntegration::waitForVSync(QPlatformSurface *surface) const
127{
128 QWindow *window = static_cast<QWindow *>(surface->surface());
129 QEglFSKmsScreen *screen = static_cast<QEglFSKmsScreen *>(window->screen()->handle());
130
131 screen->waitForFlip();
132}
133
134bool QEglFSKmsIntegration::supportsPBuffers() const
135{
136 return m_screenConfig->supportsPBuffers();
137}
138
139void *QEglFSKmsIntegration::nativeResourceForIntegration(const QByteArray &name)
140{
141 if (name == QByteArrayLiteral("dri_fd") && m_device)
142 return (void *) (qintptr) m_device->fd();
143
144#if QT_CONFIG(drm_atomic)
145 if (name == QByteArrayLiteral("dri_atomic_request") && m_device)
146 return (void *) (qintptr) m_device->threadLocalAtomicRequest();
147#endif
148 return nullptr;
149}
150
151void *QEglFSKmsIntegration::nativeResourceForScreen(const QByteArray &resource, QScreen *screen)
152{
153 QEglFSKmsScreen *s = static_cast<QEglFSKmsScreen *>(screen->handle());
154 if (s) {
155 if (resource == QByteArrayLiteral("dri_crtcid"))
156 return (void *) (qintptr) s->output().crtc_id;
157 if (resource == QByteArrayLiteral("dri_connectorid"))
158 return (void *) (qintptr) s->output().connector_id;
159 }
160 return nullptr;
161}
162
163QKmsDevice *QEglFSKmsIntegration::device() const
164{
165 return m_device;
166}
167
168QKmsScreenConfig *QEglFSKmsIntegration::screenConfig() const
169{
170 return m_screenConfig;
171}
172
173QKmsScreenConfig *QEglFSKmsIntegration::createScreenConfig()
174{
175 QKmsScreenConfig *screenConfig = new QKmsScreenConfig;
176 screenConfig->loadConfig();
177
178 return screenConfig;
179}
180
181QT_END_NAMESPACE
182