From c064f738ea55502a6aa2babf8e56ce915cffb80e Mon Sep 17 00:00:00 2001
From: Arisotura <thetotalworm@gmail.com>
Date: Sun, 3 Nov 2019 09:55:52 +0100
Subject: [PATCH] OpenGL: fix bug when rendering translucent polygons coming
 after shadow polygons, against a zero-alpha clear-plane (would use wrong
 shader, resulting in broken transparency)

---
 src/GPU3D_OpenGL.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/GPU3D_OpenGL.cpp b/src/GPU3D_OpenGL.cpp
index d616e1c7..6abb1abc 100644
--- a/src/GPU3D_OpenGL.cpp
+++ b/src/GPU3D_OpenGL.cpp
@@ -807,7 +807,6 @@ void RenderSceneChunk(int y, int h)
     else
         glBlendFuncSeparate(GL_ONE, GL_ZERO, GL_ONE, GL_ONE);
 
-    UseRenderShader(flags | RenderFlag_Trans);
     glLineWidth(1.0);
 
     if (NumOpaqueFinalPolys > -1)
@@ -843,6 +842,8 @@ void RenderSceneChunk(int y, int h)
                 }
                 else if (rp->PolyData->Translucent)
                 {
+                    UseRenderShader(flags | RenderFlag_Trans);
+
                     // zorp
                     glDepthFunc(GL_LESS);