From f3cab4d2d81034f7252483f314f925a20eaf6b3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Thu, 23 Oct 2025 10:06:24 -0700
Subject: [PATCH] Detect nVidia Nsight debugger presence.

---
 src/debug_renderdoc.h  | 1 +
 src/renderer_d3d11.cpp | 5 +++++
 src/renderer_d3d12.cpp | 6 +++++-
 src/renderer_gl.cpp    | 5 ++++-
 src/renderer_vk.cpp    | 5 ++++-
 5 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/debug_renderdoc.h b/src/debug_renderdoc.h
index 025d72bcf..522bba034 100644
--- a/src/debug_renderdoc.h
+++ b/src/debug_renderdoc.h
@@ -8,6 +8,7 @@
 
 namespace bgfx
 {
+	void* findModule(const char* _name);
 	void* loadRenderDoc();
 	void unloadRenderDoc(void*);
 	void renderDocTriggerCapture();
diff --git a/src/renderer_d3d11.cpp b/src/renderer_d3d11.cpp
index 66e5eb73c..c0db38e0a 100644
--- a/src/renderer_d3d11.cpp
+++ b/src/renderer_d3d11.cpp
@@ -1009,6 +1009,11 @@ namespace bgfx { namespace d3d11
 					}
 				}
 
+				if (NULL != findModule("Nvda.Graphics.Interception.dll") )
+				{
+					setGraphicsDebuggerPresent(true);
+				}
+
 				if (BGFX_PCI_ID_NVIDIA != m_dxgi.m_adapterDesc.VendorId)
 				{
 					m_nvapi.shutdown();
diff --git a/src/renderer_d3d12.cpp b/src/renderer_d3d12.cpp
index 6e6848764..3876bd801 100644
--- a/src/renderer_d3d12.cpp
+++ b/src/renderer_d3d12.cpp
@@ -733,7 +733,11 @@ namespace bgfx { namespace d3d12
 				m_renderDocDll = loadRenderDoc();
 			}
 
-			setGraphicsDebuggerPresent(NULL != m_renderDocDll || NULL != m_winPixEvent);
+			setGraphicsDebuggerPresent(false
+				|| NULL != m_renderDocDll
+				|| NULL != m_winPixEvent
+				|| NULL != findModule("Nvda.Graphics.Interception.dll")
+				);
 
 			m_fbh.idx = kInvalidHandle;
 			bx::memSet(m_uniforms, 0, sizeof(m_uniforms) );
diff --git a/src/renderer_gl.cpp b/src/renderer_gl.cpp
index 89b1038f6..27c354b2e 100644
--- a/src/renderer_gl.cpp
+++ b/src/renderer_gl.cpp
@@ -3168,7 +3168,10 @@ namespace bgfx { namespace gl
 
 				m_maxLabelLen = BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES >= 32) || BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL >= 43) || s_extension[Extension::KHR_debug].m_supported ? uint16_t(glGet(GL_MAX_LABEL_LENGTH) ) : 0;
 
-				setGraphicsDebuggerPresent(s_extension[Extension::EXT_debug_tool].m_supported);
+				setGraphicsDebuggerPresent(false
+					|| s_extension[Extension::EXT_debug_tool].m_supported
+					|| NULL != findModule("Nvda.Graphics.Interception.dll")
+					);
 
 				if (NULL == glObjectLabel)
 				{
diff --git a/src/renderer_vk.cpp b/src/renderer_vk.cpp
index 59120b8cb..1626f2545 100644
--- a/src/renderer_vk.cpp
+++ b/src/renderer_vk.cpp
@@ -1194,7 +1194,10 @@ VK_IMPORT_DEVICE
 				m_renderDocDll = loadRenderDoc();
 			}
 
-			setGraphicsDebuggerPresent(NULL != m_renderDocDll);
+			setGraphicsDebuggerPresent(false
+				|| NULL != m_renderDocDll
+				|| NULL != findModule("Nvda.Graphics.Interception.dll")
+				);
 
 			m_vulkan1Dll = bx::dlopen(
 #if BX_PLATFORM_WINDOWS