Changed: More verbose warnings messages for setScreenMode

code/nel/src/3d/driver/opengl/driver_opengl_window.cpp

@@ -1356,14 +1356,21 @@ bool CDriverGL::setScreenMode(const GfxMode &mode)
 				}
 			}
 
-			if (size > -1 && XRRSetScreenConfig(_dpy, screen_config, root, size, saved_rotation, CurrentTime) == RRSetConfigSuccess)
+			if (size > -1)
+			{
+				if (XRRSetScreenConfig(_dpy, screen_config, root, size, saved_rotation, CurrentTime) == RRSetConfigSuccess))
 				{
 					nlinfo("3D: Switching to XRandR mode %d: %dx%d", size, sizes[size].width, sizes[size].height);
 					found = true;
 				}
 				else
 				{
-				nlwarning("3D: No corresponding screen mode or XRRSetScreenConfig failed");
+					nlwarning("3D: XRRSetScreenConfig failed for mode %d: %dx%d", size, sizes[size].width, sizes[size].height);
+				}
+			}
+			else
+			{
+				nlwarning("3D: No corresponding screen mode");
 			}
 
 			XRRFreeScreenConfigInfo(screen_config);