54 lines
1.9 KiB
Diff
54 lines
1.9 KiB
Diff
From 95224f0f92bc516983038a6326fba041cdef6e75 Mon Sep 17 00:00:00 2001
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From: Olivier Fourdan <ofourdan@redhat.com>
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Date: Mon, 29 Mar 2021 14:22:56 +0200
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Subject: [PATCH xserver 06/27] xwayland/eglstream: Check buffer creation
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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EGLStream wl_eglstream_display_create_stream() may fail, yet Xwayland
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would try to attach the buffer which may cause a fatal Wayland protocol
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error raised by the compositor.
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Check if the buffer creation worked, and fail gracefully otherwise (like
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wayland-eglsurface does).
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Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
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Reviewed-by: Martin Peres <martin.peres@mupuf.org>
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Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
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https://gitlab.freedesktop.org/xorg/xserver/-/issues/1156
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(cherry picked from commit 4f0889e98306d30a37aba0fadb1fd3790c13205a)
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---
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hw/xwayland/xwayland-glamor-eglstream.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/hw/xwayland/xwayland-glamor-eglstream.c b/hw/xwayland/xwayland-glamor-eglstream.c
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index 17295f3bd..c6e17bf8b 100644
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--- a/hw/xwayland/xwayland-glamor-eglstream.c
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+++ b/hw/xwayland/xwayland-glamor-eglstream.c
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@@ -548,6 +548,10 @@ xwl_eglstream_create_pending_stream(struct xwl_screen *xwl_screen,
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stream_fd,
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WL_EGLSTREAM_HANDLE_TYPE_FD,
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&stream_attribs);
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+ if (!xwl_pixmap->buffer) {
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+ ErrorF("eglstream: Failed to create buffer\n");
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+ goto fail;
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+ }
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wl_buffer_add_listener(xwl_pixmap->buffer,
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&xwl_eglstream_buffer_release_listener,
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@@ -562,7 +566,9 @@ xwl_eglstream_create_pending_stream(struct xwl_screen *xwl_screen,
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xwl_eglstream_queue_pending_stream(xwl_screen, window, pixmap);
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- close(stream_fd);
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+fail:
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+ if (stream_fd >= 0)
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+ close(stream_fd);
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}
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static Bool
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--
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2.31.1
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