summaryrefslogtreecommitdiffstats
path: root/src/hardwareintegration/client/libhybris-egl-server/libhybriseglserverbufferintegration.h
blob: 588366aa745639e07c95e21a90bd15d44e919757 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/****************************************************************************
**
** Copyright (C) 2016 Jolla Ltd, author: <giulio.camuffo@jollamobile.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef LIBHYBRISEGLSERVERBUFFERINTEGRATION_H
#define LIBHYBRISEGLSERVERBUFFERINTEGRATION_H

#include <QtWaylandClient/private/qwayland-wayland.h>
#include "qwayland-libhybris-egl-server-buffer.h"
#include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h>
#include <QtWaylandClient/private/qwaylanddisplay_p.h>
#include <QtCore/QTextStream>
#include <QtCore/QVector>

#include <EGL/egl.h>
#include <EGL/eglext.h>
#ifndef EGL_KHR_image
typedef void *EGLImageKHR;
typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image);
#endif

#ifndef GL_OES_EGL_image
typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image);
#endif

#ifndef EGL_HYBRIS_native_buffer
typedef EGLBoolean (EGLAPIENTRYP PFNEGLHYBRISCREATEREMOTEBUFFERPROC)(EGLint width, EGLint height, EGLint usage, EGLint format, EGLint stride,
                                                                     int num_ints, int *ints, int num_fds, int *fds, EGLClientBuffer *buffer);
#endif

QT_BEGIN_NAMESPACE

namespace QtWaylandClient {

class LibHybrisEglServerBufferIntegration;

class LibHybrisServerBuffer : public QWaylandServerBuffer, public QtWayland::qt_libhybris_buffer
{
public:
    LibHybrisServerBuffer(LibHybrisEglServerBufferIntegration *integration, int32_t numFds, wl_array *ints, int32_t name, int32_t width, int32_t height, int32_t stride, int32_t format);
    ~LibHybrisServerBuffer();
    QOpenGLTexture* toOpenGlTexture() override;

protected:
    void libhybris_buffer_add_fd(int32_t fd) override;

private:
    LibHybrisEglServerBufferIntegration *m_integration = nullptr;
    EGLImageKHR m_image;
    QOpenGLTexture *m_texture = nullptr;
    int m_numFds;
    QVector<int32_t> m_ints;
    QVector<int32_t> m_fds;
    int32_t m_stride;
    int32_t m_hybrisFormat;
};

class LibHybrisEglServerBufferIntegration
    : public QWaylandServerBufferIntegration
    , public QtWayland::qt_libhybris_egl_server_buffer
{
public:
    void initialize(QWaylandDisplay *display) override;

    virtual QWaylandServerBuffer *serverBuffer(struct qt_server_buffer *buffer) override;

    inline EGLImageKHR eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
    inline EGLBoolean eglDestroyImageKHR (EGLImageKHR image);
    inline void glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image);
    inline EGLBoolean eglHybrisCreateRemoteBuffer(EGLint width, EGLint height, EGLint usage, EGLint format, EGLint stride, int num_ints, int *ints, int num_fds, int *fds, EGLClientBuffer *buffer);

protected:
    void libhybris_egl_server_buffer_server_buffer_created(struct ::qt_libhybris_buffer *id, struct ::qt_server_buffer *qid,
                                                           int32_t numFds, wl_array *ints, int32_t name, int32_t width, int32_t height, int32_t stride, int32_t format) override;
private:
    static void wlDisplayHandleGlobal(void *data, struct ::wl_registry *registry, uint32_t id,
                                      const QString &interface, uint32_t version);
    void initializeEgl();

    PFNEGLCREATEIMAGEKHRPROC m_egl_create_image;
    PFNEGLDESTROYIMAGEKHRPROC m_egl_destroy_image;
    PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_gl_egl_image_target_texture;
    PFNEGLHYBRISCREATEREMOTEBUFFERPROC m_egl_create_buffer;
    QWaylandDisplay *m_display = nullptr;
    EGLDisplay m_egl_display = EGL_NO_DISPLAY;
    bool m_egl_initialized = false;
};

EGLImageKHR LibHybrisEglServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
{
    if (!m_egl_initialized)
        initializeEgl();

    if (!m_egl_create_image) {
        qWarning("LibHybrisEglServerBufferIntegration: Trying to used unresolved function eglCreateImageKHR");
        return EGL_NO_IMAGE_KHR;
    }
    return m_egl_create_image(m_egl_display, ctx, target, buffer,attrib_list);
}

EGLBoolean LibHybrisEglServerBufferIntegration::eglDestroyImageKHR (EGLImageKHR image)
{
    if (!m_egl_destroy_image) {
        qWarning("LibHybrisEglServerBufferIntegration: Trying to use unresolved function eglDestroyImageKHR");
        return false;
    }
    return m_egl_destroy_image(m_egl_display, image);
}

void LibHybrisEglServerBufferIntegration::glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
{
    if (!m_gl_egl_image_target_texture) {
        qWarning("LibHybrisEglServerBufferIntegration: Trying to use unresolved function glEGLImageTargetRenderbufferStorageOES");
        return;
    }
    m_gl_egl_image_target_texture(target,image);
}

EGLBoolean LibHybrisEglServerBufferIntegration::eglHybrisCreateRemoteBuffer(EGLint width, EGLint height, EGLint usage, EGLint format, EGLint stride,
                                                                            int num_ints, int *ints, int num_fds, int *fds, EGLClientBuffer *buffer)
{
    if (!m_egl_create_buffer) {
        qWarning("LibHybrisEglServerBufferIntegration: Trying to use unresolved function eglHybrisCreateRemoteBuffer");
        return false;
    }
    return m_egl_create_buffer(width, height, usage, format, stride, num_ints, ints, num_fds, fds, buffer);
}

}

QT_END_NAMESPACE

#endif