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3** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
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41
42#include "qeglfskmsintegration.h"
43#include "qeglfskmsscreen.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 m_screenConfig(new QKmsScreenConfig)
60{
61}
62
63QEglFSKmsIntegration::~QEglFSKmsIntegration()
64{
65 delete m_screenConfig;
66}
67
68void QEglFSKmsIntegration::platformInit()
69{
70 qCDebug(qLcEglfsKmsDebug, "platformInit: Opening DRM device");
71 m_device = createDevice();
72 if (Q_UNLIKELY(!m_device->open()))
73 qFatal(msg: "Could not open DRM device");
74}
75
76void QEglFSKmsIntegration::platformDestroy()
77{
78 qCDebug(qLcEglfsKmsDebug, "platformDestroy: Closing DRM device");
79 m_device->close();
80 delete m_device;
81 m_device = nullptr;
82}
83
84EGLNativeDisplayType QEglFSKmsIntegration::platformDisplay() const
85{
86 Q_ASSERT(m_device);
87 return (EGLNativeDisplayType) m_device->nativeDisplay();
88}
89
90bool QEglFSKmsIntegration::usesDefaultScreen()
91{
92 return false;
93}
94
95void QEglFSKmsIntegration::screenInit()
96{
97 m_device->createScreens();
98}
99
100QSurfaceFormat QEglFSKmsIntegration::surfaceFormatFor(const QSurfaceFormat &inputFormat) const
101{
102 QSurfaceFormat format(inputFormat);
103 format.setRenderableType(QSurfaceFormat::OpenGLES);
104 format.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
105 format.setRedBufferSize(8);
106 format.setGreenBufferSize(8);
107 format.setBlueBufferSize(8);
108 return format;
109}
110
111bool QEglFSKmsIntegration::hasCapability(QPlatformIntegration::Capability cap) const
112{
113 switch (cap) {
114 case QPlatformIntegration::ThreadedPixmaps:
115 case QPlatformIntegration::OpenGL:
116 case QPlatformIntegration::ThreadedOpenGL:
117 return true;
118 default:
119 return false;
120 }
121}
122
123void QEglFSKmsIntegration::waitForVSync(QPlatformSurface *surface) const
124{
125 QWindow *window = static_cast<QWindow *>(surface->surface());
126 QEglFSKmsScreen *screen = static_cast<QEglFSKmsScreen *>(window->screen()->handle());
127
128 screen->waitForFlip();
129}
130
131bool QEglFSKmsIntegration::supportsPBuffers() const
132{
133 return m_screenConfig->supportsPBuffers();
134}
135
136void *QEglFSKmsIntegration::nativeResourceForIntegration(const QByteArray &name)
137{
138 if (name == QByteArrayLiteral("dri_fd") && m_device)
139 return (void *) (qintptr) m_device->fd();
140
141#if QT_CONFIG(drm_atomic)
142 if (name == QByteArrayLiteral("dri_atomic_request") && m_device)
143 return (void *) (qintptr) m_device->threadLocalAtomicRequest();
144#endif
145 return nullptr;
146}
147
148void *QEglFSKmsIntegration::nativeResourceForScreen(const QByteArray &resource, QScreen *screen)
149{
150 QEglFSKmsScreen *s = static_cast<QEglFSKmsScreen *>(screen->handle());
151 if (s) {
152 if (resource == QByteArrayLiteral("dri_crtcid"))
153 return (void *) (qintptr) s->output().crtc_id;
154 if (resource == QByteArrayLiteral("dri_connectorid"))
155 return (void *) (qintptr) s->output().connector_id;
156 }
157 return nullptr;
158}
159
160QKmsDevice *QEglFSKmsIntegration::device() const
161{
162 return m_device;
163}
164
165QKmsScreenConfig *QEglFSKmsIntegration::screenConfig() const
166{
167 return m_screenConfig;
168}
169
170QT_END_NAMESPACE
171

source code of qtbase/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmsintegration.cpp