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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** 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 DRMEGLSERVERBUFFERINTEGRATION_H
#define DRMEGLSERVERBUFFERINTEGRATION_H
#include <QtWaylandClient/private/qwayland-wayland.h>
#include "qwayland-drm-egl-server-buffer.h"
#include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h>
#include "drmeglserverbufferintegration.h"
#include <QtWaylandClient/private/qwaylanddisplay_p.h>
#include <QtCore/QTextStream>
#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
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
class DrmEglServerBufferIntegration;
class DrmServerBuffer : public QWaylandServerBuffer
{
public:
DrmServerBuffer(DrmEglServerBufferIntegration *integration, int32_t name, int32_t width, int32_t height, int32_t stride, int32_t format);
~DrmServerBuffer() override;
QOpenGLTexture* toOpenGlTexture() override;
private:
DrmEglServerBufferIntegration *m_integration = nullptr;
EGLImageKHR m_image;
QOpenGLTexture *m_texture = nullptr;
};
class DrmEglServerBufferIntegration
: public QWaylandServerBufferIntegration
, public QtWayland::qt_drm_egl_server_buffer
{
public:
void initialize(QWaylandDisplay *display) override;
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);
protected:
void drm_egl_server_buffer_server_buffer_created(struct ::qt_server_buffer *id, 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;
QWaylandDisplay *m_display = nullptr;
EGLDisplay m_egl_display = EGL_NO_DISPLAY;
bool m_egl_initialized = false;
};
EGLImageKHR DrmEglServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
{
if (!m_egl_initialized)
initializeEgl();
if (!m_egl_create_image) {
qWarning("DrmEglServerBufferIntegration: 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 DrmEglServerBufferIntegration::eglDestroyImageKHR (EGLImageKHR image)
{
if (!m_egl_destroy_image) {
qWarning("DrmEglServerBufferIntegration: Trying to use unresolved function eglDestroyImageKHR");
return false;
}
return m_egl_destroy_image(m_egl_display, image);
}
void DrmEglServerBufferIntegration::glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
{
if (!m_gl_egl_image_target_texture) {
qWarning("DrmEglServerBufferIntegration: Trying to use unresolved function glEGLImageTargetRenderbufferStorageOES");
return;
}
m_gl_egl_image_target_texture(target,image);
}
}
QT_END_NAMESPACE
#endif
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