From 281b91cc3f9fa4e29e15e4e53a8f4423b9dea93f Mon Sep 17 00:00:00 2001
From: Heinrich <heinrich.fink@daqri.com>
Date: Fri, 9 Aug 2019 18:01:06 +0200
Subject: [PATCH] Opts: Add option to use high-prec vblank timestamps

Disabled by default
---
 src/gpuvis.cpp | 3 +++
 src/gpuvis.h   | 1 +
 2 files changed, 4 insertions(+)

diff --git a/src/gpuvis.cpp b/src/gpuvis.cpp
index 549b7d58..38d22861 100644
--- a/src/gpuvis.cpp
+++ b/src/gpuvis.cpp
@@ -306,6 +306,9 @@ void Opts::init()
 
         init_opt_bool( i, desc.c_str(), inikey.c_str(), true );
     }
+
+    init_opt_bool( OPT_VBlankHighPrecTimestamps, "Use high-precision HW vblank timestamps (if available)", "vblank_high_prec_timestamps", false );
+
     init_opt_bool( OPT_RenderFrameMarkers, "Show render frame markers", "render_framemarkers", true );
 
     // Set up action mappings so we can display hotkeys in render_imgui_opt().
diff --git a/src/gpuvis.h b/src/gpuvis.h
index c3b4735d..799a342f 100644
--- a/src/gpuvis.h
+++ b/src/gpuvis.h
@@ -945,6 +945,7 @@ enum : uint32_t
     OPT_RenderCrtc7,
     OPT_RenderCrtc8,
     OPT_RenderCrtc9,
+    OPT_VBlankHighPrecTimestamps,
     OPT_RenderFrameMarkers,
     OPT_GraphHeight,
     OPT_GraphHeightZoomed,