Advance redbear-full Wayland, greeter, and Qt integration

Consolidate the active desktop path around redbear-full while landing the greeter/session stack and the runtime fixes needed to keep Wayland and KWin bring-up moving forward.

local/recipes/kde/kwin/source/src/core/syncobjtimeline.cpp

@@ -6,7 +6,45 @@
 #include "syncobjtimeline.h"
 
 #include <cerrno>
+#ifdef __redox__
+#include <fcntl.h>
+#include <unistd.h>
+
+#ifndef EFD_CLOEXEC
+#define EFD_CLOEXEC O_CLOEXEC
+#endif
+
+#ifndef EFD_NONBLOCK
+#define EFD_NONBLOCK O_NONBLOCK
+#endif
+
+#ifndef EFD_SEMAPHORE
+#define EFD_SEMAPHORE 0x1
+#endif
+
+static int eventfd(unsigned int initval, int flags)
+{
+    const int supported = EFD_CLOEXEC | EFD_NONBLOCK | EFD_SEMAPHORE;
+    int oflag = O_RDWR;
+    char path[64];
+
+    if ((flags & ~supported) != 0) {
+        errno = EINVAL;
+        return -1;
+    }
+    if (flags & EFD_CLOEXEC) {
+        oflag |= O_CLOEXEC;
+    }
+    if (flags & EFD_NONBLOCK) {
+        oflag |= O_NONBLOCK;
+    }
+
+    snprintf(path, sizeof(path), "/scheme/event/eventfd/%u/%d", initval, (flags & EFD_SEMAPHORE) ? 1 : 0);
+    return open(path, oflag);
+}
+#else
 #include <sys/eventfd.h>
+#endif
 #include <sys/ioctl.h>
 #include <xf86drm.h>
 

local/recipes/kde/kwin/source/src/plugins/CMakeLists.txt

@@ -45,6 +45,8 @@ function(kwin_add_script name source)
     file(COPY ${source}/contents ${source}/metadata.json DESTINATION ${CMAKE_BINARY_DIR}/bin/kwin/scripts/${name})
 endfunction()
 
+add_subdirectory(qpa)
+
 add_subdirectory(idletime)
 
 if (KWIN_BUILD_EFFECTS)

local/recipes/kde/kwin/source/src/plugins/qpa/CMakeLists.txt

@@ -1,5 +1,4 @@
-add_library(KWinQpaPlugin OBJECT)
-target_sources(KWinQpaPlugin PRIVATE
+add_library(KWinQpaPlugin MODULE
     backingstore.cpp
     clipboard.cpp
     eglhelpers.cpp
@@ -13,6 +12,13 @@ target_sources(KWinQpaPlugin PRIVATE
     window.cpp
 )
 
+set_target_properties(KWinQpaPlugin PROPERTIES
+    AUTOMOC ON
+    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/plugins/platforms"
+    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/plugins/platforms"
+    OUTPUT_NAME "qwayland-org.kde.kwin.qpa"
+)
+
 ecm_qt_declare_logging_category(KWinQpaPlugin
     HEADER logging.h
     IDENTIFIER KWIN_QPA
@@ -20,8 +26,6 @@ ecm_qt_declare_logging_category(KWinQpaPlugin
     DEFAULT_SEVERITY Critical
 )
 
-target_compile_definitions(KWinQpaPlugin PRIVATE QT_STATICPLUGIN)
-
 target_link_libraries(KWinQpaPlugin PRIVATE
     Qt::Concurrent
     Qt::CorePrivate
@@ -30,3 +34,5 @@ target_link_libraries(KWinQpaPlugin PRIVATE
     Fontconfig::Fontconfig
     kwin
 )
+
+install(TARGETS KWinQpaPlugin DESTINATION plugins/platforms)

local/recipes/kde/kwin/source/src/plugins/qpa/integration.cpp

@@ -137,7 +137,7 @@ QPlatformWindow *Integration::createPlatformWindow(QWindow *window) const
 
 QPlatformOffscreenSurface *Integration::createPlatformOffscreenSurface(QOffscreenSurface *surface) const
 {
-    return new OffscreenSurface(surface);
+    return new KWin::QPA::OffscreenSurface(surface);
 }
 
 QPlatformFontDatabase *Integration::fontDatabase() const