PR #20466 opened by Niklas Haas (haasn)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20466
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20466.patch
Required to clear textures to a background color.
>From 1f2de0f61888e4d16b9e124fc4b4728dd3642981 Mon Sep 17 00:00:00 2001
From: Niklas Haas <g...@haasn.dev>
Date: Mon, 8 Sep 2025 15:42:01 +0200
Subject: [PATCH] avfilter/vf_libplacebo: ensure linear tex is blittable
Required to clear textures to a background color.
---
libavfilter/vf_libplacebo.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c
index f4b5ac6b03..5e0a678ff2 100644
--- a/libavfilter/vf_libplacebo.c
+++ b/libavfilter/vf_libplacebo.c
@@ -1423,13 +1423,15 @@ static int libplacebo_config_output(AVFilterLink
*outlink)
if (s->nb_inputs > 1 && !s->disable_fbos) {
/* Create a separate renderer and composition texture */
- pl_fmt fmt = pl_find_fmt(s->gpu, PL_FMT_FLOAT, 4, 16, 0,
PL_FMT_CAP_BLENDABLE);
+ const enum pl_fmt_caps caps = PL_FMT_CAP_BLENDABLE |
PL_FMT_CAP_BLITTABLE;
+ pl_fmt fmt = pl_find_fmt(s->gpu, PL_FMT_FLOAT, 4, 16, 0, caps);
bool ok = !!fmt;
if (ok) {
ok = pl_tex_recreate(s->gpu, &s->linear_tex, pl_tex_params(
.format = fmt,
.w = outlink->w,
.h = outlink->h,
+ .blit_dst = true,
.renderable = true,
.sampleable = true,
.storable = fmt->caps & PL_FMT_CAP_STORABLE,
--
2.49.1
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