From a0519f1d188e3d3be8f0e78a71868d7cbf1cc11d Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sat, 19 Dec 2015 13:12:51 +0100
Subject: vo_opengl: cocoa: output premultiplied alpha

Which is apparently what is expected here. (I'm pretty sure X11
compositors want stright alpha, so 2 code paths are needed.)
---
 video/out/opengl/common.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'video/out/opengl/common.h')

diff --git a/video/out/opengl/common.h b/video/out/opengl/common.h
index c2eb0e9c2e..b57c698d85 100644
--- a/video/out/opengl/common.h
+++ b/video/out/opengl/common.h
@@ -92,6 +92,7 @@ struct GL {
     int mpgl_caps;              // Bitfield of MPGL_CAP_* constants
     bool debug_context;         // use of e.g. GLX_CONTEXT_DEBUG_BIT_ARB
     int fb_r, fb_g, fb_b;       // frame buffer bit depth (0 if unknown)
+    bool fb_premultiplied;      // assumption about FB alpha compositor usage
 
     void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
     void (GLAPIENTRY *Clear)(GLbitfield);
-- 
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