diff options
| author | Niklas Haas <git@haasn.xyz> | 2017-07-25 06:11:57 +0200 |
|---|---|---|
| committer | Niklas Haas <git@haasn.xyz> | 2017-07-25 06:11:57 +0200 |
| commit | d099e037efa2ceaff96c775f5c6f8d1e74650b76 (patch) | |
| tree | fbb93b8c17ccd461d3a36527c27449def975fa9e /video/out | |
| parent | 6c06e7e2a03f90310afc079bb812e9e26b49ed38 (diff) | |
| download | mpv-d099e037efa2ceaff96c775f5c6f8d1e74650b76.tar.bz2 mpv-d099e037efa2ceaff96c775f5c6f8d1e74650b76.tar.xz | |
vo_opengl: fix incoherent SSBO usage
According to the OpenGL spec, atomic access to SSBO variables is *not*
guaranteed to be coherent, even when reusing the same SSBO attached to
the same shader across different frames. So we actually need a
glMemoryBarrier here, at least in theory.
Diffstat (limited to 'video/out')
| -rw-r--r-- | video/out/opengl/video.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/video/out/opengl/video.c b/video/out/opengl/video.c index 5d94a62b2f..d1edfa02fb 100644 --- a/video/out/opengl/video.c +++ b/video/out/opengl/video.c @@ -2476,6 +2476,7 @@ static void pass_colormanage(struct gl_video *p, struct mp_colorspace src, bool gl->BindBuffer(GL_SHADER_STORAGE_BUFFER, 0); } + gl->MemoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT); gl_sc_ssbo(p->sc, "PeakDetect", p->hdr_peak_ssbo, "uint sig_peak_raw;" "uint index;" |