Differential D18824 Diff 56299 src/server/eglstream_controller_interface.cpp

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src/server/eglstream_controller_interface.cpp

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1		/****************************************************************************
2		Copyright 2019 NVIDIA Inc.
3
4		This library is free software; you can redistribute it and/or
5		modify it under the terms of the GNU Lesser General Public
6		License as published by the Free Software Foundation; either
7		version 2.1 of the License, or (at your option) version 3, or any
8		later version accepted by the membership of KDE e.V. (or its
9		successor approved by the membership of KDE e.V.), which shall
10		act as a proxy defined in Section 6 of version 3 of the license.
11
12		This library is distributed in the hope that it will be useful,
13		but WITHOUT ANY WARRANTY; without even the implied warranty of
14		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15		Lesser General Public License for more details.
16
17		You should have received a copy of the GNU Lesser General Public
18		License along with this library. If not, see <http://www.gnu.org/licenses/>.
19		****************************************************************************/
20		#include "eglstream_controller_interface_p.h"
21		#include "clientconnection.h"
22		#include "display.h"
23		#include "logging.h"
24
25		#include <wayland-util.h>
26		#include <QLibrary>
27
28		namespace KWayland
29		{
30		namespace Server
31		{
32
33		const quint32 EglStreamControllerInterface::Private::s_version = 1;
34
35		#ifndef DOXYGEN_SHOULD_SKIP_THIS
36		const struct wl_eglstream_controller_interface EglStreamControllerInterface::Private::s_interface = {
37		attachStreamConsumer,
38		attachStreamConsumerAttribs
39		};
40		#endif
41
42		void EglStreamControllerInterface::Private::attachStreamConsumer(wl_client *client,
43		wl_resource *resource,
44		wl_resource *surface,
45		wl_resource *eglStream)
46		{
47		wl_array noAttribs = { 0, 0, nullptr };
48		attachStreamConsumerAttribs(client, resource, surface, eglStream, &noAttribs);
49		}
50
51		void EglStreamControllerInterface::Private::attachStreamConsumerAttribs(wl_client *client,
52		wl_resource *resource,
53		wl_resource *surface,
54		wl_resource *eglStream,
	romanggUnsubmitted Done Why is attribs unused in this implementation? romangg: Why is attribs unused in this implementation?
55		wl_array *attribs)
	romanggUnsubmitted Done Use `Global::Private::cast`. romangg: Use `Global::Private::cast`.
56		{
57		Q_UNUSED(client);
58		Private p = reinterpret_cast<Private >(wl_resource_get_user_data(resource));
59		emit p->q->streamConsumerAttached(SurfaceInterface::get(surface), eglStream, attribs);
	romanggUnsubmitted Done Rename `controller` and `m_controller` below to `q` for enhanced pimpl street cred. romangg: Rename `controller` and `m_controller` below to `q` for enhanced pimpl street cred.
	zzagUnsubmitted Done Please don't use c style casts. zzag: Please don't use c style casts.
60		}
61
62		EglStreamControllerInterface::Private::Private(EglStreamControllerInterface q, Display display)
63		// libnvidia-egl-wayland.so.1 may not be present on all systems, so we load it dynamically
64		: Global::Private(display,
65		(wl_interface *)QLibrary::resolve(QLatin1String("libnvidia-egl-wayland.so.1"),
66		"wl_eglstream_controller_interface"),
67		s_version)
68		, q(q)
69		{
70		}
71
72		void EglStreamControllerInterface::Private::create()
73		{
74		// bail out early if we were unable to load the interface
75		if (m_interface == nullptr) {
76		qCWarning(KWAYLAND_SERVER) << "failed to resolve wl_eglstream_controller_interface";
77		return;
78		}
79
80		Global::Private::create();
81		}
82
83		void EglStreamControllerInterface::Private::bind(wl_client *client, uint32_t version, uint32_t id)
84		{
85		wl_resource *r = display->getConnection(client)->createResource(m_interface, version, id);
86		if (r == nullptr) {
87		wl_client_post_no_memory(client);
88		return;
89		}
90
91		wl_resource_set_implementation(r, &s_interface, this, nullptr);
92		}
93
94		EglStreamControllerInterface::~EglStreamControllerInterface() = default;
95
96		EglStreamControllerInterface::EglStreamControllerInterface(Display display, QObject parent)
97		: Global(new Private(this, display), parent)
98		{
99		}
100
101		void EglStreamControllerInterface::create()
102		{
103		static_cast<Private &>(*d).create();
104		}
	zzagUnsubmitted Done Can we avoid dynamic casting a reference? Is it possible to use static_cast instead? zzag: Can we avoid dynamic casting a reference? Is it possible to use static_cast instead?
105
106		}
107		}