[plasma/kwin] /: autotests/integration: add another variant of the drm test

Git commit 79e348bc4004f9bd2c5707856b354b8ee91964a6 by Xaver Hugl.
Committed on 16/07/2026 at 19:21.
Pushed by zamundaaa into branch 'master'.

autotests/integration: add another variant of the drm test

This one runs without render nodes, to ensure the udmabuf code path works.

M  +2    -0    autotests/integration/CMakeLists.txt
M  +3    -0    autotests/integration/drm_test.cpp
M  +2    -2    autotests/integration/kwin_wayland_test.cpp
M  +1    -2    src/main_wayland.cpp

https://invent.kde.org/plasma/kwin/-/commit/79e348bc4004f9bd2c5707856b354b8ee91964a6

diff --git a/autotests/integration/CMakeLists.txt b/autotests/integration/CMakeLists.txt
index 9647d29e73b..1a14df6d40b 100644
--- a/autotests/integration/CMakeLists.txt
+++ b/autotests/integration/CMakeLists.txt
@@ -176,6 +176,8 @@ integrationTest(NAME testDrmLegacy SRCS drm_test.cpp PROPERTIES RESOURCE_LOCK "v
 target_compile_definitions(testDrmLegacy PRIVATE FORCE_DRM_LEGACY=1)
 integrationTest(NAME testDrmNoModifiers SRCS drm_test.cpp PROPERTIES RESOURCE_LOCK "vkms")
 target_compile_definitions(testDrmNoModifiers PRIVATE FORCE_NO_DRM_MODIFIERS=1)
+integrationTest(NAME testDrmNoRenderNodes SRCS drm_test.cpp PROPERTIES RESOURCE_LOCK "vkms")
+target_compile_definitions(testDrmNoRenderNodes PRIVATE FORCE_NO_RENDERNODES=1)
 
 integrationTest(NAME testSelection SRCS selection_test.cpp)
 integrationTest(NAME testToplevelDrag SRCS topleveldrag_test.cpp)
diff --git a/autotests/integration/drm_test.cpp b/autotests/integration/drm_test.cpp
index 9689e4b4a7d..8d7ab8275d3 100644
--- a/autotests/integration/drm_test.cpp
+++ b/autotests/integration/drm_test.cpp
@@ -392,6 +392,9 @@ void DrmTest::initTestCase()
 #endif
 #ifdef FORCE_NO_DRM_MODIFIERS
     qputenv("KWIN_DRM_USE_MODIFIERS", "0");
+#endif
+#ifdef FORCE_NO_RENDERNODES
+    qputenv("KWIN_RENDER_NODES", "");
 #endif
     // make sure overlays are allowed
     qputenv("KWIN_USE_OVERLAYS", "1");
diff --git a/autotests/integration/kwin_wayland_test.cpp b/autotests/integration/kwin_wayland_test.cpp
index 9b0204c1edb..154bd3eda6a 100644
--- a/autotests/integration/kwin_wayland_test.cpp
+++ b/autotests/integration/kwin_wayland_test.cpp
@@ -87,8 +87,6 @@ WaylandTestApplication::WaylandTestApplication(int &argc, char **argv, bool runO
     removeLibraryPath(ownPath);
     addLibraryPath(ownPath);
 
-    createGpuManager();
-
     if (runOnKMS) {
         // in order to allow running the test manually on a tty,
         // we need the real session. This doesn't work in CI though,
@@ -203,6 +201,8 @@ void WaylandTestApplication::performStartup()
 
     // first load options - done internally by a different thread
     createOptions();
+
+    createGpuManager();
     if (!outputBackend()->initialize()) {
         std::exit(1);
     }
diff --git a/src/main_wayland.cpp b/src/main_wayland.cpp
index 26c0550d784..848f43f5c5e 100644
--- a/src/main_wayland.cpp
+++ b/src/main_wayland.cpp
@@ -138,6 +138,7 @@ void ApplicationWayland::performStartup()
 {
     createOptions();
 
+    createGpuManager();
     if (!outputBackend()->initialize()) {
         std::exit(1);
     }
@@ -471,8 +472,6 @@ int main(int argc, char *argv[])
         a.setSessionArgument(parser.value(exitWithSessionOption));
     }
 
-    a.createGpuManager();
-
     enum class BackendType {
         Kms,
 #if KWIN_BUILD_X11