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vo_opengl: insert a magical glFlush call 

Helps a little bit with stuttering with pans and "heavy" subtitles
covering the screen.
This commit is contained in:
wm4 2013-03-11 00:44:27 +01:00
parent 89aae59e89
commit b1be668b9d
1 changed files with 6 additions and 0 deletions
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6
video/out/vo_opengl.c
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@ -1388,9 +1388,15 @@ static void draw_osd_cb(void *ctx, struct sub_bitmaps *imgs)
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
struct gl_priv *p = vo->priv;
GL *gl = p->gl;
assert(p->osd);
osd_draw(osd, p->osd_rect, osd->vo_pts, 0, p->osd->formats, draw_osd_cb, p);
// The playloop calls this last before waiting some time until it decides
// to call flip_page(). Tell OpenGL to start execution of the GPU commands
// while we sleep (this happens asynchronously).
gl->Flush();
}
// Disable features that are not supported with the current OpenGL version.