d3/de3/client_2dmabuf-server_2dmabufserverbufferintegration_8h_source.html

// Copyright (C) 2018 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only


#ifndef DMABUFSERVERBUFFERINTEGRATION_H

#define DMABUFSERVERBUFFERINTEGRATION_H


#include <QtCore/QVariant>

#include <QtWaylandClient/private/qwayland-wayland.h>

#include "qwayland-qt-dmabuf-server-buffer.h"

#include <QtWaylandClient/private/qwaylandserverbufferintegration_p.h>


#include "dmabufserverbufferintegration.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 DmaBufServerBufferIntegration;


class DmaBufServerBuffer : public QWaylandServerBuffer

{

public:

    DmaBufServerBuffer(DmaBufServerBufferIntegration *integration, struct ::qt_server_buffer *id, int32_t fd,

                       int32_t width, int32_t height, int32_t stride, int32_t offset, int32_t fourcc_format);

    ~DmaBufServerBuffer() override;

    QOpenGLTexture* toOpenGlTexture() override;

private:

    DmaBufServerBufferIntegration *m_integration = nullptr;

    EGLImageKHR m_image = EGL_NO_IMAGE_KHR;

    QOpenGLTexture *m_texture = nullptr;

    struct ::qt_server_buffer *m_server_buffer = nullptr;

};


class DmaBufServerBufferIntegration

    : public QWaylandServerBufferIntegration

    , public QtWayland::qt_dmabuf_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 dmabuf_server_buffer_server_buffer_created(struct ::qt_server_buffer *id, int32_t fd,

                                                    int32_t width, int32_t height, int32_t stride,

                                                    int32_t offset, int32_t fourcc_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 = nullptr;

    PFNEGLDESTROYIMAGEKHRPROC m_egl_destroy_image = nullptr;

    PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_gl_egl_image_target_texture = nullptr;

    QWaylandDisplay *m_display = nullptr;

    EGLDisplay m_egl_display = EGL_NO_DISPLAY;

    bool m_egl_initialized = false;

};


EGLImageKHR DmaBufServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)

{

    if (!m_egl_initialized)

        initializeEgl();

    if (!m_egl_create_image) {

        qCWarning(lcQpaWayland) << "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(lcQpaWayland) << "DmaBufServerBufferIntegration: Trying to use unresolved function eglDestroyImageKHR";

        return false;

    }

    return m_egl_destroy_image(m_egl_display, image);

}


void DmaBufServerBufferIntegration::glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)

{

    if (!m_gl_egl_image_target_texture) {

        qCWarning(lcQpaWayland) << "DmaBufServerBufferIntegration: Trying to use unresolved function glEGLImageTargetTexture2DOES";

        return;

    }

    m_gl_egl_image_target_texture(target, image);

}


}


QT_END_NAMESPACE


#endif

DmaBufServerBufferIntegration
Definition dmabufserverbufferintegration.h:71

QOpenGLTexture
\inmodule QtGui
Definition qopengltexture.h:22

QString
\macro QT_RESTRICTED_CAST_FROM_ASCII
Definition qstring.h:127

QtWaylandClient::DmaBufServerBufferIntegration
Definition dmabufserverbufferintegration.h:51

QtWaylandClient::DmaBufServerBufferIntegration::serverBuffer
QWaylandServerBuffer * serverBuffer(struct qt_server_buffer *buffer) override
Definition dmabufserverbufferintegration.cpp:125

QtWaylandClient::DmaBufServerBufferIntegration::glEGLImageTargetTexture2DOES
void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
Definition dmabufserverbufferintegration.h:98

QtWaylandClient::DmaBufServerBufferIntegration::eglCreateImageKHR
EGLImageKHR eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
Definition dmabufserverbufferintegration.h:78

QtWaylandClient::DmaBufServerBufferIntegration::eglDestroyImageKHR
EGLBoolean eglDestroyImageKHR(EGLImageKHR image)
Definition dmabufserverbufferintegration.h:89

QtWaylandClient::DmaBufServerBufferIntegration::dmabuf_server_buffer_server_buffer_created
void dmabuf_server_buffer_server_buffer_created(struct ::qt_server_buffer *id, int32_t fd, int32_t width, int32_t height, int32_t stride, int32_t offset, int32_t fourcc_format) override
Definition dmabufserverbufferintegration.cpp:139

QtWaylandClient::DmaBufServerBuffer
Definition dmabufserverbufferintegration.h:35

QtWaylandClient::DmaBufServerBuffer::toOpenGlTexture
QOpenGLTexture * toOpenGlTexture() override
Definition dmabufserverbufferintegration.cpp:65

QtWaylandClient::DmaBufServerBuffer::~DmaBufServerBuffer
~DmaBufServerBuffer() override
Definition dmabufserverbufferintegration.cpp:56

QtWaylandClient::QWaylandDisplay
Definition qwaylanddisplay_p.h:95

QtWaylandClient::QWaylandServerBufferIntegration
Definition qwaylandserverbufferintegration_p.h:62

QtWaylandClient::QWaylandServerBuffer
Definition qwaylandserverbufferintegration_p.h:34

image
EGLImageKHR image
Definition dmabufserverbufferintegration.h:21

ctx
EGLContext ctx
Definition dmabufserverbufferintegration.h:20

EGLImageKHR
void * EGLImageKHR
Definition dmabufserverbufferintegration.h:19

EGLBoolean
typedef EGLBoolean(EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC)(EGLDisplay dpy

attrib_list
EGLContext EGLenum EGLClientBuffer const EGLint * attrib_list
Definition dmabufserverbufferintegration.h:20

buffer
EGLContext EGLenum EGLClientBuffer buffer
Definition dmabufserverbufferintegration.h:20

target
EGLContext EGLenum target
Definition dmabufserverbufferintegration.h:20

dmabufserverbufferintegration.h

display
struct wl_display * display
Definition linuxdmabuf.h:41

QT_BEGIN_NAMESPACE
Combined button and popup list for selecting options.
Definition qstandardpaths_haiku.cpp:21

QT_END_NAMESPACE
Definition qsharedpointer.cpp:1545

QtWaylandClient
Definition qwaylandclientextension.h:15

image
Definition image.cpp:4

initialize
static bool initialize()
Definition qctf.cpp:67

void
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char const char return DBusMessage return DBusMessage const char return DBusMessage dbus_bool_t return DBusMessage dbus_uint32_t return DBusMessage void
Definition qdbus_symbols_p.h:401

interface
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char * interface
Definition qdbus_symbols_p.h:347

EGLBoolean
typedef EGLBoolean(EGLAPIENTRYP PFNEGLQUERYDEVICESEXTPROC)(EGLint max_devices

EGLDisplay
typedef EGLDisplay(EGLAPIENTRYP PFNEGLGETPLATFORMDISPLAYEXTPROC)(EGLenum platform

attrib_list
void const EGLint * attrib_list
Definition qeglstreamconvenience_p.h:30

qCWarning
#define qCWarning(category,...)
Definition qloggingcategory.h:125

height
GLint GLsizei GLsizei height
Definition qopengles2ext.h:206

stride
const void GLsizei GLsizei stride
Definition qopengles2ext.h:1595

buffer
GLenum GLuint buffer
Definition qopengles2ext.h:659

width
GLint GLsizei width
Definition qopengles2ext.h:206

GLenum
typedef GLenum(GL_APIENTRYP PFNGLGETGRAPHICSRESETSTATUSKHRPROC)(void)

target
GLenum target
Definition qopengles2ext.h:751

GL_APIENTRYP
#define GL_APIENTRYP
Definition qopengles2ext.h:57

data
GLint GLsizei GLsizei GLenum GLenum GLsizei void * data
Definition qopengles2ext.h:206

offset
GLenum GLuint GLintptr offset
Definition qopengles2ext.h:660

fd
GLuint64 GLenum GLint fd
Definition qopengles2ext.h:1558

GLeglImageOES
void * GLeglImageOES
Definition qopengles2ext.h:261