From 34869f1736acb578e04c2d2a96d5c326e7b1837f Mon Sep 17 00:00:00 2001
From: Mathieu Schroeter <mathieu@schroetersa.ch>
Date: Mon, 11 Jun 2018 18:18:07 +0200
Subject: [PATCH] Fix black backgrounds with opengles2

---
 src/pixmap.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/pixmap.cxx b/src/pixmap.cxx
index d23181c..58a766a 100644
--- a/src/pixmap.cxx
+++ b/src/pixmap.cxx
@@ -254,8 +254,9 @@ CPixmap::Cache (
       return false;
     }
 
-    SDL_SetTextureBlendMode (
-      m_SDLTextureInfo[channel].texture, SDL_BLENDMODE_BLEND);
+    if (channel != CHBACK)
+      SDL_SetTextureBlendMode (
+        m_SDLTextureInfo[channel].texture, SDL_BLENDMODE_BLEND);
   }
 
   SDL_SetRenderTarget (g_renderer, m_SDLTextureInfo[channel].texture);