From e170e64f9cfe17a39a5b46f311933af85c2caf12 Mon Sep 17 00:00:00 2001
From: FlightlessMango <flightlessmangoyt@gmail.com>
Date: Sat, 2 May 2020 18:39:39 +0200
Subject: [PATCH] [Params] Version option

---
 meson.build          | 5 +++++
 src/overlay.cpp      | 6 +++++-
 src/overlay_params.h | 1 +
 version.h.in         | 3 +++
 4 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 version.h.in

diff --git a/meson.build b/meson.build
index c5f316c1..34e9710f 100644
--- a/meson.build
+++ b/meson.build
@@ -10,6 +10,11 @@ cpp = meson.get_compiler('cpp')
 prog_python = import('python').find_installation('python3')
 null_dep = dependency('', required : false)
 
+mangohud_version = vcs_tag(
+  command: ['git', 'describe', '--tags', '--dirty=+'],
+  input:  'version.h.in',
+  output: 'version.h')
+
 pre_args = [
   '-D__STDC_CONSTANT_MACROS',
   '-D__STDC_FORMAT_MACROS',
diff --git a/src/overlay.cpp b/src/overlay.cpp
index 91d0e1cc..88ba0402 100644
--- a/src/overlay.cpp
+++ b/src/overlay.cpp
@@ -58,6 +58,7 @@
 #include "memory.h"
 #include "notify.h"
 #include "blacklist.h"
+#include "version.h"
 
 #ifdef HAVE_DBUS
 #include "dbus_info.h"
@@ -1135,9 +1136,12 @@ void render_imgui(swapchain_stats& data, struct overlay_params& params, ImVec2&
    window_size = ImVec2(params.width, params.height);
    unsigned width = ImGui::GetIO().DisplaySize.x;
    unsigned height = ImGui::GetIO().DisplaySize.y;
-   
+      
    if (!params.no_display){
       ImGui::Begin("Main", &open, ImGuiWindowFlags_NoDecoration);
+      if (params.enabled[OVERLAY_PARAM_ENABLED_version])
+         ImGui::Text("%s", MANGOHUD_VERSION);
+         ImGui::Dummy(ImVec2(0, 8.0f));
       if (params.enabled[OVERLAY_PARAM_ENABLED_time]){
          ImGui::TextColored(ImVec4(1.0f, 1.0f, 1.0f, 1.00f), "%s", data.time.c_str());
       }
diff --git a/src/overlay_params.h b/src/overlay_params.h
index 6ad1225c..38dbada3 100644
--- a/src/overlay_params.h
+++ b/src/overlay_params.h
@@ -42,6 +42,7 @@ typedef unsigned long KeySym;
    OVERLAY_PARAM_BOOL(gpu_core_clock)                \
    OVERLAY_PARAM_BOOL(arch)                          \
    OVERLAY_PARAM_BOOL(media_player)                  \
+   OVERLAY_PARAM_BOOL(version)                       \
    OVERLAY_PARAM_CUSTOM(fps_sampling_period)         \
    OVERLAY_PARAM_CUSTOM(output_file)                 \
    OVERLAY_PARAM_CUSTOM(font_file)                   \
diff --git a/version.h.in b/version.h.in
new file mode 100644
index 00000000..86032798
--- /dev/null
+++ b/version.h.in
@@ -0,0 +1,3 @@
+#pragma once
+
+#define MANGOHUD_VERSION "@VCS_TAG@"