From a6d6e0168a0e2f08fe5dbaf0198f0a148be0765c Mon Sep 17 00:00:00 2001
From: Kelsi <kelsihates2fa@gmail.com>
Date: Wed, 6 May 2026 00:38:41 -0700
Subject: [PATCH] fix(editor): add filtered-out instance diagnostic in M2
 render path

---
 src/rendering/m2_renderer_render.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/rendering/m2_renderer_render.cpp b/src/rendering/m2_renderer_render.cpp
index db8d87a6..0ad1529f 100644
--- a/src/rendering/m2_renderer_render.cpp
+++ b/src/rendering/m2_renderer_render.cpp
@@ -1010,7 +1010,13 @@ void M2Renderer::render(VkCommandBuffer cmd, VkDescriptorSet perFrameSet, const
                 pending.push_back({entry.index, instanceFadeAlpha, needsBones, targetLOD});
             }
 
-            if (pending.empty()) { visStart = groupEnd; continue; }
+            if (pending.empty()) {
+                if (forceNoCull_) {
+                    LOG_WARNING("M2 render: model '", model.name, "' all ",
+                                (groupEnd - visStart), " instances filtered out (bones?)");
+                }
+                visStart = groupEnd; continue;
+            }
 
             // Sort by targetLOD so each sub-group occupies a contiguous SSBO range
             std::sort(pending.begin(), pending.end(),