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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DRMEGLSERVERBUFFERINTEGRATION_H
#define DRMEGLSERVERBUFFERINTEGRATION_H
#include <QtWaylandCompositor/private/qwlserverbufferintegration_p.h>
#include "qwayland-server-drm-egl-server-buffer.h"
#include <QtGui/QWindow>
#include <QtGui/qpa/qplatformnativeinterface.h>
#include <QtGui/QGuiApplication>
#include <QtWaylandCompositor/qwaylandcompositor.h>
#include <QtWaylandCompositor/private/qwayland-server-server-buffer-extension.h>
#include <QtCore/QDebug>
#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_MESA_drm_image
typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEDRMIMAGEMESAPROC) (EGLDisplay dpy, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDRMIMAGEMESAPROC) (EGLDisplay dpy, EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
#endif
QT_BEGIN_NAMESPACE
class DrmEglServerBufferIntegration;
class DrmEglServerBuffer : public QtWayland::ServerBuffer, public QtWaylandServer::qt_server_buffer
{
public:
DrmEglServerBuffer(DrmEglServerBufferIntegration *integration, const QSize &size, QtWayland::ServerBuffer::Format format);
struct ::wl_resource *resourceForClient(struct ::wl_client *) override;
void bindTextureToBuffer() override;
private:
DrmEglServerBufferIntegration *m_integration;
EGLImageKHR m_image;
int32_t m_name;
int32_t m_stride;
QtWaylandServer::qt_drm_egl_server_buffer::format m_drm_format;
};
class DrmEglServerBufferIntegration :
public QtWayland::ServerBufferIntegration,
public QtWaylandServer::qt_drm_egl_server_buffer
{
public:
DrmEglServerBufferIntegration();
~DrmEglServerBufferIntegration();
void initializeHardware(QWaylandCompositor *);
bool supportsFormat(QtWayland::ServerBuffer::Format format) const override;
QtWayland::ServerBuffer *createServerBuffer(const QSize &size, QtWayland::ServerBuffer::Format format) override;
EGLDisplay display() const { return m_egl_display; }
inline EGLImageKHR eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
inline EGLBoolean eglDestroyImageKHR (EGLImageKHR image);
inline EGLImageKHR eglCreateDRMImageMESA (const EGLint *attrib_list);
inline EGLBoolean eglExportDRMImageMESA (EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
inline void glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image);
private:
EGLDisplay m_egl_display;
PFNEGLCREATEDRMIMAGEMESAPROC m_egl_create_drm_image;
PFNEGLEXPORTDRMIMAGEMESAPROC m_egl_export_drm_image;
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_gl_egl_image_target_texture_2d;
PFNEGLCREATEIMAGEKHRPROC m_egl_create_image;
PFNEGLDESTROYIMAGEKHRPROC m_egl_destroy_image;
};
EGLImageKHR DrmEglServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
{
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);
}
EGLImageKHR DrmEglServerBufferIntegration::eglCreateDRMImageMESA (const EGLint *attrib_list)
{
if (m_egl_create_drm_image)
return m_egl_create_drm_image(m_egl_display, attrib_list);
else
qWarning("DrmEglServerBufferIntegration: Trying to use unresolved function eglCreateDRMImageMESA");
return EGL_NO_IMAGE_KHR;
}
EGLBoolean DrmEglServerBufferIntegration::eglExportDRMImageMESA (EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride)
{
if (m_egl_export_drm_image)
return m_egl_export_drm_image(m_egl_display, image, name, handle, stride);
else
qWarning("DrmEglServerBufferIntegration: Trying to use unresolved function eglExportDRMImageMESA");
return 0;
}
void DrmEglServerBufferIntegration::glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
{
if (m_gl_egl_image_target_texture_2d)
return m_gl_egl_image_target_texture_2d(target, image);
else
qWarning("DrmEglServerBufferIntegration: Trying to use unresolved function glEGLImageTargetTexture2DOES");
}
QT_END_NAMESPACE
#endif
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