From 40147d253d0c6f392085519159631db73b61bd57 Mon Sep 17 00:00:00 2001
From: Daniel Hritzkiv <daniel.hritzkiv@gmail.com>
Date: Thu, 19 Oct 2017 12:32:55 -0400
Subject: [PATCH] =?UTF-8?q?Prefer=20=E2=80=9CBLEND=E2=80=9D=20over=20?=
 =?UTF-8?q?=E2=80=9CMASK=E2=80=9D=20as=20an=20alphaMode=20default?=
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“BLEND” is a much nicer alphaMode value (if the hardware supports it – not a steep requirement) than “MASK” as mask is either fully opaque or fully transparent, depending on the alphaCutoff. This matches many other converters’ alphaMode default.
---
 code/glTF2Exporter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/glTF2Exporter.cpp b/code/glTF2Exporter.cpp
index ad0e2647a..46f201b52 100644
--- a/code/glTF2Exporter.cpp
+++ b/code/glTF2Exporter.cpp
@@ -475,7 +475,7 @@ void glTF2Exporter::ExportMaterials()
 
             if (mat->Get(AI_MATKEY_OPACITY, opacity) == AI_SUCCESS) {
                 if (opacity < 1) {
-                    m->alphaMode = "MASK";
+                    m->alphaMode = "BLEND";
                     m->pbrMetallicRoughness.baseColorFactor[3] *= opacity;
                 }
             }