From 58f9b82c1e71518693283a35ef1444eadf2f87f4 Mon Sep 17 00:00:00 2001
From: Alex <dudesuchamazing@gmail.com>
Date: Thu, 9 Jun 2022 18:03:50 +0300
Subject: [PATCH] 3D viewer: Fix GL_INVALID_ENUM error.

---
 3d-viewer/3d_rendering/opengl/render_3d_opengl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/3d-viewer/3d_rendering/opengl/render_3d_opengl.cpp b/3d-viewer/3d_rendering/opengl/render_3d_opengl.cpp
index be0306c372..12c3518fe8 100644
--- a/3d-viewer/3d_rendering/opengl/render_3d_opengl.cpp
+++ b/3d-viewer/3d_rendering/opengl/render_3d_opengl.cpp
@@ -919,7 +919,7 @@ bool RENDER_3D_OPENGL::Redraw( bool aIsMoving, REPORTER* aStatusReporter,
     glTexEnvi( GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PRIMARY_COLOR );
     glTexEnvi( GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA );
     glTexEnvi( GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_CONSTANT );
-    glTexEnvi( GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_CONSTANT );
+    glTexEnvi( GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_ALPHA );
 
     render3dModels( false, true );
     render3dModels( true, true );