From b3b5c4736644ae6b1ff935cf7283fe2a0a1ac6ff Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Tue, 2 Jan 2018 14:32:15 -0800
Subject: [PATCH] Fixed direction of y adjustment for new orthographic
 projection in the metal renderer

---
 src/render/metal/SDL_render_metal.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/render/metal/SDL_render_metal.m b/src/render/metal/SDL_render_metal.m
index cc0e4a2032dcb..39c893484a60a 100644
--- a/src/render/metal/SDL_render_metal.m
+++ b/src/render/metal/SDL_render_metal.m
@@ -825,7 +825,7 @@ - (void)dealloc
 static inline float
 adjusty(const float val)
 {
-	return (val - 0.5f);
+	return (val + 0.5f);
 }
 
 // normalize a value from 0.0f to len into 0.0f to 1.0f.