From f6b844e239c780aac439c0e877af3e14a5493484 Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Mon, 21 Jul 2025 18:10:49 +0200
Subject: [PATCH] rusticl/gl: only flush objects on import if we get a valid fd

If no context is current we might not get anything to wait on.

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36249>
---
 src/gallium/frontends/rusticl/core/gl.rs | 30 ++++++++++++++----------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/src/gallium/frontends/rusticl/core/gl.rs b/src/gallium/frontends/rusticl/core/gl.rs
index 5c632a34430..f06e8394366 100644
--- a/src/gallium/frontends/rusticl/core/gl.rs
+++ b/src/gallium/frontends/rusticl/core/gl.rs
@@ -255,16 +255,19 @@ impl GLCtxManager {
                         &mut export_in,
                         &mut flush_out,
                     );
-                    // TODO: use fence_server_sync in ctx inside the queue thread
-                    let fence_fd = FenceFd { fd };
-                    cl_ctx.devs.iter().for_each(|dev| {
-                        let fence = dev.helper_ctx().import_fence(&fence_fd);
-                        fence.wait();
-                    });
 
                     if err_flush != 0 {
                         err_flush
                     } else {
+                        if fd != -1 {
+                            // TODO: use fence_server_sync in ctx inside the queue thread
+                            let fence_fd = FenceFd { fd };
+                            cl_ctx.devs.iter().for_each(|dev| {
+                                let fence = dev.helper_ctx().import_fence(&fence_fd);
+                                fence.wait();
+                            });
+                        }
+
                         egl_export_object_func(
                             disp.cast(),
                             ctx.cast(),
@@ -289,16 +292,19 @@ impl GLCtxManager {
                         &mut export_in,
                         &mut flush_out,
                     );
-                    // TODO: use fence_server_sync in ctx inside the queue thread
-                    let fence_fd = FenceFd { fd };
-                    cl_ctx.devs.iter().for_each(|dev| {
-                        let fence = dev.helper_ctx().import_fence(&fence_fd);
-                        fence.wait();
-                    });
 
                     if err_flush != 0 {
                         err_flush
                     } else {
+                        if fd != -1 {
+                            // TODO: use fence_server_sync in ctx inside the queue thread
+                            let fence_fd = FenceFd { fd };
+                            cl_ctx.devs.iter().for_each(|dev| {
+                                let fence = dev.helper_ctx().import_fence(&fence_fd);
+                                fence.wait();
+                            });
+                        }
+
                         glx_export_object_func(
                             disp.cast(),
                             ctx.cast(),