From 46a1e28aa2b3004265fddb65ae1598a953406820 Mon Sep 17 00:00:00 2001
From: Leon Styhre <leon@leonstyhre.com>
Date: Mon, 12 Dec 2022 20:42:54 +0100
Subject: [PATCH] Fixed an issue where the shader postprocessing function did
 not set the shader premultiplied flag.

---
 es-core/src/renderers/RendererOpenGL.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/es-core/src/renderers/RendererOpenGL.cpp b/es-core/src/renderers/RendererOpenGL.cpp
index 8907cc1f5..cb7d611d7 100644
--- a/es-core/src/renderers/RendererOpenGL.cpp
+++ b/es-core/src/renderers/RendererOpenGL.cpp
@@ -548,7 +548,7 @@ void RendererOpenGL::shaderPostprocessing(unsigned int shaders,
     vertices->opacity = parameters.opacity;
     vertices->saturation = parameters.saturation;
     vertices->dimming = parameters.dimming;
-    vertices->shaderFlags = ShaderFlags::POST_PROCESSING;
+    vertices->shaderFlags = ShaderFlags::POST_PROCESSING | ShaderFlags::PREMULTIPLIED;
 
     if (shaders & Shader::CORE)
         shaderList.push_back(Shader::CORE);