From 71885e5ae44ba4155b7716fecee82f39ea65c673 Mon Sep 17 00:00:00 2001
From: Ben Hickling <ben.hickling@aria-networks.com>
Date: Mon, 26 Mar 2018 14:12:23 +0100
Subject: [PATCH] multiply blend mode fix for spatial materials

(cherry picked from commit 314a41951105bc6c37c570e5a9664d28a40ce985)
---
 drivers/gles3/rasterizer_scene_gles3.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 02d851288a9..5b6b3d44f28 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -2085,9 +2085,9 @@ void RasterizerSceneGLES3::_render_list(RenderList::Element **p_elements, int p_
 						case RasterizerStorageGLES3::Shader::Spatial::BLEND_MODE_MUL: {
 							glBlendEquation(GL_FUNC_ADD);
 							if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) {
-								glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+								glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_DST_ALPHA, GL_ZERO);
 							} else {
-								glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+								glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_ZERO, GL_ONE);
 							}
 
 						} break;