From b1c825af4a9075074927f0a6fe909379f1faad66 Mon Sep 17 00:00:00 2001
From: Aiekick <1434736+aiekick@users.noreply.github.com>
Date: Fri, 26 Jul 2019 12:40:29 +0200
Subject: [PATCH] transparant ui fix

Related to this topic : https://discourse.dearimgui.org/t/imgui-with-transparent-window-glfw/299
---
 examples/imgui_impl_opengl3.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/imgui_impl_opengl3.cpp b/examples/imgui_impl_opengl3.cpp
index 9585215c41f0..ac83874c6fa2 100644
--- a/examples/imgui_impl_opengl3.cpp
+++ b/examples/imgui_impl_opengl3.cpp
@@ -173,7 +173,7 @@ static void ImGui_ImplOpenGL3_SetupRenderState(ImDrawData* draw_data, int fb_wid
     // Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, polygon fill
     glEnable(GL_BLEND);
     glBlendEquation(GL_FUNC_ADD);
-    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
     glDisable(GL_CULL_FACE);
     glDisable(GL_DEPTH_TEST);
     glEnable(GL_SCISSOR_TEST);