From 2fce0a768592a11c949baad52ebeb45079b3966d Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Wed, 11 Jul 2018 17:24:30 +0200
Subject: [PATCH] [build] Extract version number from git if available

Logs the version number and game executable name as well.
---
 meson.build                | 6 +++++-
 src/dxvk/dxvk_instance.cpp | 5 +++++
 src/dxvk/meson.build       | 2 +-
 version.h.in               | 3 +++
 4 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 version.h.in

diff --git a/meson.build b/meson.build
index 81f1543b..f0a01e7a 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,4 @@
-project('dxvk', ['c', 'cpp'])
+project('dxvk', ['c', 'cpp'], version : 'v0.61')
 
 cpu_family = target_machine.cpu_family()
 
@@ -35,6 +35,10 @@ glsl_generator = generator(glsl_compiler,
   output    : [ '@BASENAME@.h' ],
   arguments : [ '-V', '--vn', '@BASENAME@', '@INPUT@', '-o', '@OUTPUT@' ])
 
+dxvk_version = vcs_tag(['git', 'describe'],
+  input:  'version.h.in',
+  output: 'version.h')
+
 subdir('src')
 
 enable_tests = get_option('enable_tests')
diff --git a/src/dxvk/dxvk_instance.cpp b/src/dxvk/dxvk_instance.cpp
index 4b3e7532..9b10b9a2 100644
--- a/src/dxvk/dxvk_instance.cpp
+++ b/src/dxvk/dxvk_instance.cpp
@@ -1,3 +1,5 @@
+#include <version.h>
+
 #include "dxvk_instance.h"
 #include "dxvk_openvr.h"
 
@@ -6,6 +8,9 @@
 namespace dxvk {
   
   DxvkInstance::DxvkInstance() {
+    Logger::info(str::format("Game: ", env::getExeName()));
+    Logger::info(str::format("DXVK: ", DXVK_VERSION));
+
     g_vrInstance.initInstanceExtensions();
 
     m_vkl = new vk::LibraryFn();
diff --git a/src/dxvk/meson.build b/src/dxvk/meson.build
index 0c435327..1892febc 100644
--- a/src/dxvk/meson.build
+++ b/src/dxvk/meson.build
@@ -92,7 +92,7 @@ dxvk_src = files([
 
 thread_dep = dependency('threads')
 
-dxvk_lib = static_library('dxvk', dxvk_src, glsl_generator.process(dxvk_shaders),
+dxvk_lib = static_library('dxvk', dxvk_src, glsl_generator.process(dxvk_shaders), dxvk_version,
   link_with           : [ util_lib, spirv_lib ],
   dependencies        : [ thread_dep, lib_vulkan ],
   include_directories : [ dxvk_include_path ],
diff --git a/version.h.in b/version.h.in
new file mode 100644
index 00000000..e9cc1c3a
--- /dev/null
+++ b/version.h.in
@@ -0,0 +1,3 @@
+#pragma once
+
+#define DXVK_VERSION "@VCS_TAG@"