From ae27daf8340a6f00512ed9378094940309536d5e Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brecht@blender.org>
Date: Wed, 24 Jan 2024 18:30:26 +0100
Subject: [PATCH] Fix: only use preserveInvariance for Z fighting when
 supported by macOS

Pull Request: https://projects.blender.org/blender/blender/pulls/117484
---
 source/blender/gpu/metal/mtl_shader.mm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/blender/gpu/metal/mtl_shader.mm b/source/blender/gpu/metal/mtl_shader.mm
index 91a950c88f8..efdb075e332 100644
--- a/source/blender/gpu/metal/mtl_shader.mm
+++ b/source/blender/gpu/metal/mtl_shader.mm
@@ -314,9 +314,10 @@ bool MTLShader::finalize(const shader::ShaderCreateInfo *info)
     MTLCompileOptions *options = [[[MTLCompileOptions alloc] init] autorelease];
     options.languageVersion = MTLLanguageVersion2_2;
     options.fastMathEnabled = YES;
-    options.preserveInvariance = YES;
 
     if (@available(macOS 11.00, *)) {
+      options.preserveInvariance = YES;
+
       /* Raster order groups for tile data in struct require Metal 2.3.
        * Retaining Metal 2.2. for old shaders to maintain backwards
        * compatibility for existing features. */