From d2ea92d254cbe26ee0017dbfcaaa68db697007f2 Mon Sep 17 00:00:00 2001
From: zeromus <zeromus@zeromus.org>
Date: Thu, 12 Jun 2014 08:10:14 +0000
Subject: [PATCH] support filter_linear in retroshaders

---
 BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs b/BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs
index b528d36836..bd929f01af 100644
--- a/BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs
+++ b/BizHawk.Client.EmuHawk/DisplayManager/Filters/Retro.cs
@@ -266,7 +266,14 @@ namespace BizHawk.Client.EmuHawk.Filters
 
 			var outDisposition = FindOutput().SurfaceDisposition;
 			var input = InputTexture;
+			if (SP.InputFilterLinear)
+				InputTexture.SetFilterLinear();
+			else
+				InputTexture.SetFilterNearest();
 			RSC.Shaders[RSI].Run(input, input.Size, OutputSize, InputTexture.IsUpsideDown);
+
+			//maintain invariant.. i think.
+			InputTexture.SetFilterNearest();
 		}
 	}