Compositor: Warn and clean up when server buffer integrations fail

Makes it consistent with how client buffer integrations work. Also doesn't
leave partially initialized integration around for the compositor to use.

Change-Id: I6ff898639b958f62330879a2eff1acbc7e5cdb1f
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>

2 files changed, 3 insertions, 2 deletions

diff --git a/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.cpp b/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.cpp
index 79dc6211..602e25f7 100644
--- a/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.cpp
+++ b/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.cpp
@@ -265,11 +265,12 @@ VulkanServerBufferIntegration::~VulkanServerBufferIntegration()
 {
 }
 
-void VulkanServerBufferIntegration::initializeHardware(QWaylandCompositor *compositor)
+bool VulkanServerBufferIntegration::initializeHardware(QWaylandCompositor *compositor)
 {
     Q_ASSERT(QGuiApplication::platformNativeInterface());
 
     QtWaylandServer::zqt_vulkan_server_buffer_v1::init(compositor->display(), 1);
+    return true;
 }
 
 bool VulkanServerBufferIntegration::supportsFormat(QtWayland::ServerBuffer::Format format) const
diff --git a/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h b/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h
index df020f8a..6e2c51dd 100644
--- a/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h
+++ b/src/hardwareintegration/compositor/vulkan-server/vulkanserverbufferintegration.h
@@ -86,7 +86,7 @@ public:
 
     VulkanWrapper *vulkanWrapper() const { return m_vulkanWrapper; }
 
-    void initializeHardware(QWaylandCompositor *) override;
+    bool initializeHardware(QWaylandCompositor *) override;
 
     bool supportsFormat(QtWayland::ServerBuffer::Format format) const override;
     QtWayland::ServerBuffer *createServerBufferFromImage(const QImage &qimage, QtWayland::ServerBuffer::Format format) override;