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, 0 insertions, 1 deletions

diff --git a/video/out/opengl/common.h b/video/out/opengl/common.h
index 9236ce1d6f..f790dcb166 100644
--- a/video/out/opengl/common.h
+++ b/video/out/opengl/common.h
@@ -89,7 +89,6 @@ 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);