linuxdmabufclientbufferintegration.h

++ // 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

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