From 8395193aee982cf968654ce4b4f0b81d04b09110 Mon Sep 17 00:00:00 2001
From: upthorn <upthorn@gmail.com>
Date: Fri, 21 Dec 2018 22:38:03 -0800
Subject: [PATCH] Allow alpha to matter in screenshots.

---
 Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs      | 2 +-
 Bizware/BizHawk.Bizware.BizwareGL.SlimDX/IGL_SlimDX9.cs | 2 +-
 Bizware/BizHawk.Bizware.BizwareGL/BitmapBuffer.cs       | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs b/Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs
index 349bc67819..7a8f02bc9d 100644
--- a/Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs
+++ b/Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs
@@ -860,7 +860,7 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.OpenTK
 			_rsBlendNormal = new CacheBlendState(
 				true,
 				BlendingFactorSrc.SrcAlpha, BlendEquationMode.FuncAdd, BlendingFactorDest.OneMinusSrcAlpha,
-				BlendingFactorSrc.One, BlendEquationMode.FuncAdd, BlendingFactorDest.Zero);
+				BlendingFactorSrc.One, BlendEquationMode.Max, BlendingFactorDest.One);
 		}
 
 		CacheBlendState _rsBlendNoneVerbatim, _rsBlendNoneOpaque, _rsBlendNormal;
diff --git a/Bizware/BizHawk.Bizware.BizwareGL.SlimDX/IGL_SlimDX9.cs b/Bizware/BizHawk.Bizware.BizwareGL.SlimDX/IGL_SlimDX9.cs
index e437875303..5d97323759 100644
--- a/Bizware/BizHawk.Bizware.BizwareGL.SlimDX/IGL_SlimDX9.cs
+++ b/Bizware/BizHawk.Bizware.BizwareGL.SlimDX/IGL_SlimDX9.cs
@@ -368,7 +368,7 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.SlimDX
 			_rsBlendNormal = new CacheBlendState(
 				true,
 				gl.BlendingFactorSrc.SrcAlpha, gl.BlendEquationMode.FuncAdd, gl.BlendingFactorDest.OneMinusSrcAlpha,
-				gl.BlendingFactorSrc.One, gl.BlendEquationMode.FuncAdd, gl.BlendingFactorDest.Zero);
+				gl.BlendingFactorSrc.One, gl.BlendEquationMode.Max, gl.BlendingFactorDest.One);
 		}
 
 		CacheBlendState _rsBlendNoneVerbatim, _rsBlendNoneOpaque, _rsBlendNormal;
diff --git a/Bizware/BizHawk.Bizware.BizwareGL/BitmapBuffer.cs b/Bizware/BizHawk.Bizware.BizwareGL/BitmapBuffer.cs
index df5fc3591a..6bfb577f7b 100644
--- a/Bizware/BizHawk.Bizware.BizwareGL/BitmapBuffer.cs
+++ b/Bizware/BizHawk.Bizware.BizwareGL/BitmapBuffer.cs
@@ -287,7 +287,7 @@ namespace BizHawk.Bizware.BizwareGL
 		/// </summary>
 		public void DiscardAlpha()
 		{
-			HasAlpha = false;
+			//HasAlpha = false;
 		}
 
 		void LoadInternal(Stream stream, sd.Bitmap bitmap, BitmapLoadOptions options)