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++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:critical reason:network-protocol
++
++ #ifndef DRMEGLSERVERBUFFERINTEGRATION_H
++ #define DRMEGLSERVERBUFFERINTEGRATION_H
++
++ #include <QtCore/QVariant>
++ #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 QImage;
++
++ class DrmEglServerBuffer : public QtWayland::ServerBuffer, public QtWaylandServer::qt_server_buffer
++ {
++ public:
++ DrmEglServerBuffer(DrmEglServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format);
++
++ struct ::wl_resource *resourceForClient(struct ::wl_client *) override;
++ bool bufferInUse() override;
++ QOpenGLTexture *toOpenGlTexture() override;
++
++ private:
++ DrmEglServerBufferIntegration *m_integration = nullptr;
++
++ EGLImageKHR m_image;
++
++ int32_t m_name;
++ int32_t m_stride;
++ QOpenGLTexture *m_texture = nullptr;
++ 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() override;
++
++ bool 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 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 = EGL_NO_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