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author | Bin Jin <bjin@ctrl-d.org> | 2016-06-11 23:42:59 +0000 |
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committer | wm4 <wm4@nowhere> | 2016-06-12 17:51:50 +0200 |
commit | 3d844cddf8179c0a6d1d65ed9c2b13b15f70180e (patch) | |
tree | d8862aa13ee69b2b7fcf566deaac1f06a44bcf0d /video | |
parent | 0b082b2086d69019edf116bb162a46d3932aefcb (diff) | |
download | mpv-3d844cddf8179c0a6d1d65ed9c2b13b15f70180e.tar.bz2 mpv-3d844cddf8179c0a6d1d65ed9c2b13b15f70180e.tar.xz |
vo_opengl: make size of OUTPUT available to user shaders
Diffstat (limited to 'video')
-rw-r--r-- | video/out/opengl/video.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/video/out/opengl/video.c b/video/out/opengl/video.c index 21eda6bc7d..c9179c7800 100644 --- a/video/out/opengl/video.c +++ b/video/out/opengl/video.c @@ -1688,6 +1688,15 @@ static bool eval_szexpr(struct gl_video *p, struct img_tex tex, struct bstr name = expr[i].val.varname; struct img_tex var_tex; + // The size of OUTPUT is determined. It could be useful for certain + // user shaders to skip passes. + if (bstr_equals0(name, "OUTPUT")) { + int vp_w = p->dst_rect.x1 - p->dst_rect.x0; + int vp_h = p->dst_rect.y1 - p->dst_rect.y0; + stack[idx++] = (expr[i].tag == SZEXP_VAR_W) ? vp_w : vp_h; + continue; + } + // HOOKED is a special case if (bstr_equals0(name, "HOOKED")) { var_tex = tex; |