From 63a75bc0eaa36e0cd0f928f4710ebe1ef6ffe90f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Tue, 30 Jun 2026 22:31:36 -0700
Subject: [PATCH] Fixed s_renderFrameCalled cleanup. (#3804)

---
 src/bgfx.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/bgfx.cpp b/src/bgfx.cpp
index ee1fd33cb..502e2be30 100644
--- a/src/bgfx.cpp
+++ b/src/bgfx.cpp
@@ -2518,14 +2518,26 @@ namespace bgfx
 #if BGFX_CONFIG_MULTITHREADED
 		// Render thread shutdown sequence.
 		renderSemWait(); // Wait for previous frame.
-		apiSemPost();   // OK to set context to NULL.
+		apiSemPost();    // OK to set context to NULL.
 		// s_ctx is NULL here.
 		renderSemWait(); // In RenderFrame::Exiting state.
 
 		if (m_thread.isRunning() )
 		{
-			s_renderFrameCalled = false;
 			m_thread.shutdown();
+
+			// Internal render thread was created it owns the latch, clear it as the thread exits.
+			s_renderFrameCalled = false;
+		}
+		else if (m_singleThreaded)
+		{
+			// bgfx::renderFrame() was latched on API thread.
+			s_renderFrameCalled = false;
+		}
+		else
+		{
+			// Otherwise bgfx::renderFrame() was called manually, and latched on different thread.
+			// So we don't control it...
 		}
 
 		m_render->destroy();