From 16c4304ab4a0fabfed55037b6bd9a30f1891ec4b Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Thu, 25 Jun 2026 08:56:21 +0200
Subject: [PATCH] Add `FLAXENGINE_VERSION_MAJOR`/`FLAXENGINE_VERSION_MINOR`
 macros to shaders compilation

---
 Source/Engine/ShadersCompilation/ShaderCompiler.cpp | 5 +++++
 Source/Engine/ShadersCompilation/ShaderCompiler.h   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/Source/Engine/ShadersCompilation/ShaderCompiler.cpp b/Source/Engine/ShadersCompilation/ShaderCompiler.cpp
index 4b46a960f..0e35b1e5c 100644
--- a/Source/Engine/ShadersCompilation/ShaderCompiler.cpp
+++ b/Source/Engine/ShadersCompilation/ShaderCompiler.cpp
@@ -253,6 +253,11 @@ bool ShaderCompiler::OnCompileBegin()
     _globalMacros.Add({ "REVERSE_Z", "1"});
 #endif
 
+    // Setup version macros
+    _macroVersionMinor = StringAnsi::Format("{}", FLAXENGINE_VERSION_MINOR);
+    _globalMacros.Add({ "FLAXENGINE_VERSION_MAJOR", Numbers[FLAXENGINE_VERSION_MAJOR] });
+    _globalMacros.Add({ "FLAXENGINE_VERSION_MINOR", _macroVersionMinor.Get() });
+
     return false;
 }
 
diff --git a/Source/Engine/ShadersCompilation/ShaderCompiler.h b/Source/Engine/ShadersCompilation/ShaderCompiler.h
index 9666d8f13..5f559a13f 100644
--- a/Source/Engine/ShadersCompilation/ShaderCompiler.h
+++ b/Source/Engine/ShadersCompilation/ShaderCompiler.h
@@ -26,6 +26,7 @@ private:
     ShaderProfile _profile;
     PlatformType _platform;
     Array<char> _funcNameDefineBuffer;
+    StringAnsi _macroVersionMinor;
 
 protected:
     ShaderCompilationContext* _context = nullptr;