From d098087b06729011e5cc625a9f157c016167dd2e Mon Sep 17 00:00:00 2001
From: jp9000 <obs.jim@gmail.com>
Date: Sun, 29 Jun 2014 11:43:52 -0700
Subject: [PATCH] Set default blend function to srcalpa/invsrcalpha

---
 libobs/graphics/graphics.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libobs/graphics/graphics.c b/libobs/graphics/graphics.c
index a6e607f04..a67ac5f57 100644
--- a/libobs/graphics/graphics.c
+++ b/libobs/graphics/graphics.c
@@ -104,6 +104,8 @@ static bool graphics_init(struct graphics_subsystem *graphics)
 	if (pthread_mutex_init(&graphics->mutex, NULL) != 0)
 		return false;
 
+	graphics->exports.device_blendfunction(graphics->device,
+			GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA);
 	graphics->exports.device_leavecontext(graphics->device);
 
 	gs_init_image_deps();