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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef LINUXDMABUFCLIENTBUFFERINTEGRATION_H
#define LINUXDMABUFCLIENTBUFFERINTEGRATION_H
#include "linuxdmabuf.h"
#include <QtWaylandCompositor/private/qwlclientbufferintegration_p.h>
#include <QtWaylandCompositor/private/qwlclientbuffer_p.h>
#include <QtWaylandCompositor/private/qwayland-server-wayland.h>
#include <QtCore/QMutex>
#include <drm_fourcc.h>
QT_BEGIN_NAMESPACE
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYWAYLANDBUFFERWL_compat) (EGLDisplay dpy, struct wl_resource *buffer, EGLint attribute, EGLint *value);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDMABUFFORMATSEXTPROC) (EGLDisplay dpy, EGLint max_formats, EGLint *formats, EGLint *num_formats);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYDMABUFMODIFIERSEXTPROC) (EGLDisplay dpy, EGLint format, EGLint max_modifiers, EGLuint64KHR *modifiers, EGLBoolean *external_only, EGLint *num_modifiers);
class LinuxDmabufClientBufferIntegrationPrivate;
class LinuxDmabufParams;
class LinuxDmabufClientBuffer;
// buffer conversion definitions to import YUV buffers
struct YuvPlaneConversion {
EGLint format = DRM_FORMAT_YUYV;
EGLint widthDivisor = 1;
EGLint heightDivisor = 1;
EGLint planeIndex = 0;
};
struct YuvFormatConversion {
uint32_t inputPlanes = 1;
uint32_t outputPlanes = 1;
struct YuvPlaneConversion plane[LinuxDmabufWlBuffer::MaxDmabufPlanes];
};
class LinuxDmabufClientBufferIntegration : public QtWayland::ClientBufferIntegration
{
public:
LinuxDmabufClientBufferIntegration(bool useLegacyVersion = false);
~LinuxDmabufClientBufferIntegration() override;
void initializeHardware(struct ::wl_display *display) override;
QtWayland::ClientBuffer *createBufferFor(wl_resource *resource) override;
bool importBuffer(wl_resource *resource, LinuxDmabufWlBuffer *linuxDmabufBuffer);
void removeBuffer(wl_resource *resource);
void deleteImage(EGLImageKHR image);
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC gl_egl_image_target_texture_2d = nullptr;
private:
Q_DISABLE_COPY(LinuxDmabufClientBufferIntegration)
bool m_useLegacyVersion;
PFNEGLBINDWAYLANDDISPLAYWL egl_bind_wayland_display = nullptr;
PFNEGLUNBINDWAYLANDDISPLAYWL egl_unbind_wayland_display = nullptr;
::wl_display *m_wlDisplay = nullptr;
bool m_displayBound = false;
PFNEGLQUERYDISPLAYATTRIBEXTPROC egl_query_display_attrib = nullptr;
PFNEGLQUERYDEVICESTRINGEXTPROC egl_query_device_string = nullptr;
PFNEGLCREATEIMAGEKHRPROC egl_create_image = nullptr;
PFNEGLDESTROYIMAGEKHRPROC egl_destroy_image = nullptr;
PFNEGLQUERYDMABUFMODIFIERSEXTPROC egl_query_dmabuf_modifiers_ext = nullptr;
PFNEGLQUERYDMABUFFORMATSEXTPROC egl_query_dmabuf_formats_ext = nullptr;
bool initSimpleTexture(LinuxDmabufWlBuffer *dmabufBuffer);
bool initYuvTexture(LinuxDmabufWlBuffer *dmabufBuffer);
QList<uint32_t> supportedDrmFormats();
QList<uint64_t> supportedDrmModifiers(uint32_t format);
const char *drmDevice() const;
EGLDisplay m_eglDisplay = EGL_NO_DISPLAY;
QHash<EGLint, YuvFormatConversion> m_yuvFormats;
bool m_supportsDmabufModifiers = false;
QHash<struct ::wl_resource *, LinuxDmabufWlBuffer *> m_importedBuffers;
QScopedPointer<LinuxDmabuf> m_linuxDmabuf;
};
class LinuxDmabufClientBuffer : public QtWayland::ClientBuffer
{
public:
~LinuxDmabufClientBuffer() override;
QWaylandBufferRef::BufferFormatEgl bufferFormatEgl() const override;
QSize size() const override;
QWaylandSurface::Origin origin() const override;
QOpenGLTexture *toOpenGlTexture(int plane) override;
protected:
void setDestroyed() override;
private:
friend class LinuxDmabufClientBufferIntegration;
friend class LinuxDmabufClientBufferIntegrationPrivate;
LinuxDmabufClientBuffer(LinuxDmabufClientBufferIntegration* integration, wl_resource *bufferResource, LinuxDmabufWlBuffer *dmabufBuffer);
LinuxDmabufWlBuffer *d = nullptr;
LinuxDmabufClientBufferIntegration *m_integration = nullptr;
};
QT_END_NAMESPACE
#endif // LINUXDMABUFCLIENTBUFFERINTEGRATION_H