Add debugging info for Wintab activated by argument `--debug-wintab`.

Bonus: Added docs for `--debug-ghost`.

Differential Revision: https://developer.blender.org/D14610

4 files changed, 25 insertions, 4 deletions

diff --git a/source/blender/blenkernel/BKE_global.h b/source/blender/blenkernel/BKE_global.h
index d82e7460071..2070584a8a0 100644
--- a/source/blender/blenkernel/BKE_global.h
+++ b/source/blender/blenkernel/BKE_global.h
@@ -195,12 +195,13 @@ enum {
   G_DEBUG_XR = (1 << 19),                    /* XR/OpenXR messages */
   G_DEBUG_XR_TIME = (1 << 20),               /* XR/OpenXR timing messages */
 
-  G_DEBUG_GHOST = (1 << 21), /* Debug GHOST module. */
+  G_DEBUG_GHOST = (1 << 21),                 /* Debug GHOST module. */
+  G_DEBUG_WINTAB = (1 << 22),                /* Debug Wintab. */
 };
 
 #define G_DEBUG_ALL \
   (G_DEBUG | G_DEBUG_FFMPEG | G_DEBUG_PYTHON | G_DEBUG_EVENTS | G_DEBUG_WM | G_DEBUG_JOBS | \
-   G_DEBUG_FREESTYLE | G_DEBUG_DEPSGRAPH | G_DEBUG_IO | G_DEBUG_GHOST)
+   G_DEBUG_FREESTYLE | G_DEBUG_DEPSGRAPH | G_DEBUG_IO | G_DEBUG_GHOST | G_DEBUG_WINTAB)
 
 /** #Global.fileflags */
 enum {
diff --git a/source/blender/windowmanager/intern/wm_window.c b/source/blender/windowmanager/intern/wm_window.c
index 89bb6906a22..382a37e09e5 100644
--- a/source/blender/windowmanager/intern/wm_window.c
+++ b/source/blender/windowmanager/intern/wm_window.c
@@ -1541,7 +1541,15 @@ void wm_ghost_init(bContext *C)
     }
 
     g_system = GHOST_CreateSystem();
-    GHOST_SystemInitDebug(g_system, G.debug & G_DEBUG_GHOST);
+
+    GHOST_Debug debug = {0};
+    if (G.debug & G_DEBUG_GHOST) {
+      debug.flags |= GHOST_kDebugDefault;
+    }
+    if (G.debug & G_DEBUG_WINTAB) {
+      debug.flags |= GHOST_kDebugWintab;
+    }
+    GHOST_SystemInitDebug(g_system, debug);
 
     if (C != NULL) {
       GHOST_AddEventConsumer(g_system, consumer);
diff --git a/source/creator/creator_args.c b/source/creator/creator_args.c
index 05b7f1bcb85..b3f5d24ee8c 100644
--- a/source/creator/creator_args.c
+++ b/source/creator/creator_args.c
@@ -576,6 +576,7 @@ static int arg_handle_print_help(int UNUSED(argc), const char **UNUSED(argv), vo
   BLI_args_print_arg_doc(ba, "--debug-depsgraph-pretty");
   BLI_args_print_arg_doc(ba, "--debug-depsgraph-uuid");
   BLI_args_print_arg_doc(ba, "--debug-ghost");
+  BLI_args_print_arg_doc(ba, "--debug-wintab");
   BLI_args_print_arg_doc(ba, "--debug-gpu");
   BLI_args_print_arg_doc(ba, "--debug-gpu-force-workarounds");
   BLI_args_print_arg_doc(ba, "--debug-wm");
@@ -943,6 +944,12 @@ static const char arg_handle_debug_mode_generic_set_doc_wm[] =
     "\n\t"
     "Enable debug messages for the window manager, shows all operators in search, shows "
     "keymap errors.";
+static const char arg_handle_debug_mode_generic_set_doc_ghost[] =
+    "\n\t"
+    "Enable debug messages for Ghost (Linux only).";
+static const char arg_handle_debug_mode_generic_set_doc_wintab[] =
+    "\n\t"
+    "Enable debug messages for Wintab.";
 #  ifdef WITH_XR_OPENXR
 static const char arg_handle_debug_mode_generic_set_doc_xr[] =
     "\n\t"
@@ -2130,8 +2137,13 @@ void main_args_setup(bContext *C, bArgs *ba)
   BLI_args_add(ba,
                NULL,
                "--debug-ghost",
-               CB_EX(arg_handle_debug_mode_generic_set, handlers),
+               CB_EX(arg_handle_debug_mode_generic_set, ghost),
                (void *)G_DEBUG_GHOST);
+  BLI_args_add(ba,
+               NULL,
+               "--debug-wintab",
+               CB_EX(arg_handle_debug_mode_generic_set, wintab),
+               (void *)G_DEBUG_WINTAB);
   BLI_args_add(ba, NULL, "--debug-all", CB(arg_handle_debug_mode_all), NULL);
 
   BLI_args_add(ba, NULL, "--debug-io", CB(arg_handle_debug_mode_io), NULL);
diff --git a/source/tools b/source/tools
-Subproject 1e658ca996f11e5ff3398d89bd81f5b719304a5
+Subproject 4c1e01e3e309282beb1af3b1eddb2c7f9a666b5