From 968ff4879a4e7dd98e998de4d04e3a7029f4fe60 Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Sat, 16 Jun 2018 00:08:24 +0300
Subject: [PATCH] Enable fast math

---
 Cocoa/GBViewMetal.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Cocoa/GBViewMetal.m b/Cocoa/GBViewMetal.m
index 4d2bac3..0678d9f 100644
--- a/Cocoa/GBViewMetal.m
+++ b/Cocoa/GBViewMetal.m
@@ -89,8 +89,10 @@ static const vector_float2 rect[] =
     shader_source = [shader_source stringByReplacingOccurrencesOfString:@"{filter}"
                                                              withString:scaler_source];
 
+    MTLCompileOptions *options = [[MTLCompileOptions alloc] init];
+    options.fastMathEnabled = YES;
     id<MTLLibrary> library = [device newLibraryWithSource:shader_source
-                                                   options:nil
+                                                   options:options
                                                      error:&error];
     if (error) {
         NSLog(@"Error: %@", error);