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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module 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 DMABUFSERVERBUFFERINTEGRATION_H
#define DMABUFSERVERBUFFERINTEGRATION_H
#include <QtWaylandCompositor/private/qwlserverbufferintegration_p.h>
#include "qwayland-server-qt-dmabuf-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_image_dma_buf_export
typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC) (EGLDisplay dpy, EGLImageKHR image, int *fourcc, int *num_planes, EGLuint64KHR *modifiers);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDMABUFIMAGEMESAPROC) (EGLDisplay dpy, EGLImageKHR image, int *fds, EGLint *strides, EGLint *offsets);
#endif
QT_BEGIN_NAMESPACE
class DmaBufServerBufferIntegration;
class QImage;
class DmaBufServerBuffer : public QtWayland::ServerBuffer, public QtWaylandServer::qt_server_buffer
{
public:
DmaBufServerBuffer(DmaBufServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format);
~DmaBufServerBuffer() override;
struct ::wl_resource *resourceForClient(struct ::wl_client *) override;
QOpenGLTexture *toOpenGlTexture() override;
bool bufferInUse() override;
protected:
void server_buffer_release(Resource *resource) override;
private:
DmaBufServerBufferIntegration *m_integration = nullptr;
EGLImageKHR m_image;
int32_t m_offset;
int32_t m_stride;
QOpenGLTexture *m_texture = nullptr;
int m_fourcc_format;
int m_fd;
};
class DmaBufServerBufferIntegration :
public QtWayland::ServerBufferIntegration,
public QtWaylandServer::qt_dmabuf_server_buffer
{
public:
DmaBufServerBufferIntegration();
~DmaBufServerBufferIntegration() override;
void initializeHardware(QWaylandCompositor *) override;
bool supportsFormat(QtWayland::ServerBuffer::Format format) const override;
QtWayland::ServerBuffer *createServerBufferFromImage(const QImage &qimage, 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 EGLBoolean eglExportDMABUFImageQueryMESA(EGLImageKHR image,
int *fourcc,
int *num_planes,
EGLuint64KHR *modifiers);
inline EGLBoolean eglExportDMABUFImageMESA(EGLImageKHR image,
int *fds,
EGLint *strides,
EGLint *offsets);
inline void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image);
private:
EGLDisplay m_egl_display;
PFNEGLEXPORTDMABUFIMAGEMESAPROC m_egl_export_dmabuf_image = nullptr;
PFNEGLEXPORTDMABUFIMAGEQUERYMESAPROC m_egl_export_dmabuf_image_query = nullptr;
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_gl_egl_image_target_texture_2d = nullptr;
PFNEGLCREATEIMAGEKHRPROC m_egl_create_image = nullptr;
PFNEGLDESTROYIMAGEKHRPROC m_egl_destroy_image = nullptr;
};
EGLImageKHR DmaBufServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
{
if (!m_egl_create_image) {
qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglCreateImageKHR";
return EGL_NO_IMAGE_KHR;
}
return m_egl_create_image(m_egl_display, ctx, target, buffer, attrib_list);
}
EGLBoolean DmaBufServerBufferIntegration::eglDestroyImageKHR(EGLImageKHR image)
{
if (!m_egl_destroy_image) {
qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglDestroyImageKHR";
return false;
}
return m_egl_destroy_image(m_egl_display, image);
}
EGLBoolean DmaBufServerBufferIntegration::eglExportDMABUFImageQueryMESA(EGLImageKHR image,
int *fourcc,
int *num_planes,
EGLuint64KHR *modifiers)
{
if (m_egl_export_dmabuf_image_query)
return m_egl_export_dmabuf_image_query(m_egl_display, image, fourcc, num_planes, modifiers);
else
qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglExportDMABUFImageQueryMESA";
return false;
}
EGLBoolean DmaBufServerBufferIntegration::eglExportDMABUFImageMESA(EGLImageKHR image,
int *fds,
EGLint *strides,
EGLint *offsets)
{
if (m_egl_export_dmabuf_image)
return m_egl_export_dmabuf_image(m_egl_display, image, fds, strides, offsets);
else
qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglExportDMABUFImageMESA";
return false;
}
void DmaBufServerBufferIntegration::glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
{
if (m_gl_egl_image_target_texture_2d)
return m_gl_egl_image_target_texture_2d(target, image);
else
qCWarning(qLcWaylandCompositorHardwareIntegration) << "DmaBufServerBufferIntegration: Trying to use unresolved function glEGLImageTargetTexture2DOES";
}
QT_END_NAMESPACE
#endif
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