Revision control
++ // Copyright (C) 2017 Jolla Ltd, author: <giulio.camuffo@jollamobile.com>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:critical reason:network-protocol
++
++ #include "libhybriseglserverbufferintegration.h"
++
++ #include <QtGui/QOpenGLContext>
++ #include <QtGui/QOpenGLTexture>
++ #include <hybris/eglplatformcommon/hybris_nativebufferext.h>
++ #include <wayland-server-core.h>
++
++ QT_BEGIN_NAMESPACE
++ LibHybrisEglServerBuffer::LibHybrisEglServerBuffer(LibHybrisEglServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format)
++ : QtWayland::ServerBuffer(qimage.size(),format)
++ , m_integration(integration)
++ {
++ m_format = format;
++
++ EGLint egl_format;
++ switch (m_format) {
++ case RGBA32:
++ m_hybris_format = QtWaylandServer::qt_libhybris_egl_server_buffer::format_RGBA32;
++ egl_format = HYBRIS_PIXEL_FORMAT_RGBA_8888;
++ break;
++ default:
++ qWarning("LibHybrisEglServerBuffer: unsupported format");
++ m_hybris_format = QtWaylandServer::qt_libhybris_egl_server_buffer::format_RGBA32;
++ egl_format = HYBRIS_PIXEL_FORMAT_RGBA_8888;
++ break;
++ }
++
++ if (!m_integration->eglHybrisCreateNativeBuffer(m_size.width(), m_size.height(), HYBRIS_USAGE_HW_TEXTURE, egl_format, &m_stride, &m_buffer)) {
++ qWarning("LibHybrisEglServerBuffer: Failed to create egl buffer");
++ return;
++ }
++
++ int numInts;
++ int numFds;
++ m_integration->eglHybrisGetNativeBufferInfo(m_buffer, &numInts, &numFds);
++ m_ints.resize(numInts);
++ m_fds.resize(numFds);
++ m_integration->eglHybrisSerializeNativeBuffer(m_buffer, m_ints.data(), m_fds.data());
++
++ m_image = m_integration->eglCreateImageKHR(EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID, m_buffer, 0);
++
++ if (!QOpenGLContext::currentContext()) {
++ qWarning("LibHybrisEglServerBuffer: No current context when creating buffer. Texture loading will fail");
++ return;
++ }
++
++ m_texture = new QOpenGLTexture(QOpenGLTexture::Target2D);
++ m_texture->create();
++
++ m_texture->bind();
++
++ m_integration->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_image);
++
++ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, qimage.width(), qimage.height(), GL_RGBA, GL_UNSIGNED_BYTE, qimage.constBits());
++
++ m_texture->release();
++ m_texture->setSize(m_size.width(), m_size.height());
++ }
++
++ struct ::wl_resource *LibHybrisEglServerBuffer::resourceForClient(struct ::wl_client *client)
++ {
++ auto *bufferResource = resourceMap().value(client);
++ if (!bufferResource) {
++ auto integrationResource = m_integration->resourceMap().value(client);
++ if (!integrationResource) {
++ qWarning("LibHybrisEglServerBuffer::resourceForClient: Trying to get resource for ServerBuffer. But client is not bound to the libhybris_egl interface");
++ return 0;
++ }
++ struct ::wl_resource *egl_integration_resource = integrationResource->handle;
++ Resource *resource = add(client, 1);
++ wl_resource *bufRes = wl_resource_create(client, &qt_libhybris_buffer_interface,-1, 0);
++
++ m_integration->send_server_buffer_created(egl_integration_resource, resource->handle, bufRes, m_fds.size(), QByteArray((char *)m_ints.data(), m_ints.size() * sizeof(int32_t)),
++ m_name, m_size.width(), m_size.height(), m_stride, m_format);
++
++ for (int i = 0; i < m_fds.size(); ++i) {
++ send_add_fd(resource->handle, m_fds.at(i));
++ }
++
++ return resource->handle;
++ }
++ return bufferResource->handle;
++ }
++
++ QOpenGLTexture *LibHybrisEglServerBuffer::toOpenGlTexture()
++ {
++ return m_texture;
++ }
++
++ LibHybrisEglServerBufferIntegration::LibHybrisEglServerBufferIntegration()
++ {
++ }
++
++ LibHybrisEglServerBufferIntegration::~LibHybrisEglServerBufferIntegration()
++ {
++ }
++
++ bool LibHybrisEglServerBufferIntegration::initializeHardware(QWaylandCompositor *compositor)
++ {
++ Q_ASSERT(QGuiApplication::platformNativeInterface());
++
++ m_egl_display = static_cast<EGLDisplay>(QGuiApplication::platformNativeInterface()->nativeResourceForIntegration("egldisplay"));
++ if (!m_egl_display) {
++ qWarning("Can't initialize libhybris egl server buffer integration. Missing egl display from platform plugin");
++ return false;
++ }
++
++ m_egl_create_buffer = reinterpret_cast<PFNEGLHYBRISCREATENATIVEBUFFERPROC>(eglGetProcAddress("eglHybrisCreateNativeBuffer"));
++ if (!m_egl_create_buffer) {
++ qWarning("Failed to initialize libhybris egl server buffer integration. Could not find eglHybrisCreateNativeBuffer.\n");
++ return false;
++ }
++ m_egl_get_buffer_info = reinterpret_cast<PFNEGLHYBRISGETNATIVEBUFFERINFOPROC>(eglGetProcAddress("eglHybrisGetNativeBufferInfo"));
++ if (!m_egl_get_buffer_info) {
++ qWarning("Failed to initialize libhybris egl server buffer integration. Could not find eglHybrisGetNativeBufferInfo.\n");
++ return false;
++ }
++ m_egl_serialize_buffer = reinterpret_cast<PFNEGLHYBRISSERIALIZENATIVEBUFFERPROC>(eglGetProcAddress("eglHybrisSerializeNativeBuffer"));
++ if (!m_egl_serialize_buffer) {
++ qWarning("Failed to initialize libhybris egl server buffer integration. Could not find eglHybrisSerializeNativeBuffer.\n");
++ return false;
++ }
++
++ const char *extensionString = eglQueryString(m_egl_display, EGL_EXTENSIONS);
++ if (!extensionString || !strstr(extensionString, "EGL_KHR_image")) {
++ qWarning("Failed to initialize libhybris egl server buffer integration. There is no EGL_KHR_image extension.\n");
++ return false;
++ }
++ m_egl_create_image = reinterpret_cast<PFNEGLCREATEIMAGEKHRPROC>(eglGetProcAddress("eglCreateImageKHR"));
++ m_egl_destroy_image = reinterpret_cast<PFNEGLDESTROYIMAGEKHRPROC>(eglGetProcAddress("eglDestroyImageKHR"));
++ if (!m_egl_create_image || !m_egl_destroy_image) {
++ qWarning("Failed to initialize libhybris egl server buffer integration. Could not resolve eglCreateImageKHR or eglDestroyImageKHR");
++ return false;
++ }
++
++ m_gl_egl_image_target_texture_2d = reinterpret_cast<PFNGLEGLIMAGETARGETTEXTURE2DOESPROC>(eglGetProcAddress("glEGLImageTargetTexture2DOES"));
++ if (!m_gl_egl_image_target_texture_2d) {
++ qWarning("Failed to initialize libhybris egl server buffer integration. Could not find glEGLImageTargetTexture2DOES.\n");
++ return false;
++ }
++
++ QtWaylandServer::qt_libhybris_egl_server_buffer::init(compositor->display(), 1);
++ return true;
++ }
++
++ bool LibHybrisEglServerBufferIntegration::supportsFormat(QtWayland::ServerBuffer::Format format) const
++ {
++ switch (format) {
++ case QtWayland::ServerBuffer::RGBA32:
++ return true;
++ case QtWayland::ServerBuffer::A8:
++ return false;
++ default:
++ return false;
++ }
++ }
++
++ QtWayland::ServerBuffer *LibHybrisEglServerBufferIntegration::createServerBufferFromImage(const QImage &qimage, QtWayland::ServerBuffer::Format format)
++ {
++ return new LibHybrisEglServerBuffer(this, qimage, format);
++ }
++
++ QT_END_NAMESPACE