vo_opengl: always premultiply alpha

Until now, we've let the windowing backend decide. But since they
usually require premultiplied alpha, and premultiplied alpha is easier
to handle, hardcode it.

1 files changed, 1 insertions, 2 deletions

diff --git a/video/out/opengl/video.c b/video/out/opengl/video.c
index de9fdd2814..6b46c1fb42 100644
--- a/video/out/opengl/video.c
+++ b/video/out/opengl/video.c
@@ -1736,8 +1736,7 @@ static void pass_convert_yuv(struct gl_video *p)
         GLSL(color.rgb = color.rgb * color.a + background * (1.0 - color.a);)
     } else { // alpha present in image
         p->components = 4;
-        if (p->gl->fb_premultiplied)
-            GLSL(color = vec4(color.rgb * color.a, color.a);)
+        GLSL(color = vec4(color.rgb * color.a, color.a);)
     }
 }