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Tsirkin" , Paolo Bonzini , Yiwei Zhang , Sergio Lopez Pascual Cc: Gert Wollny , qemu-devel@nongnu.org, Gurchetan Singh , Alyssa Ross , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Alex Deucher , Stefano Stabellini , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xenia Ragiadakou , Honglei Huang , Julia Zhang , Chen Jiqian , Rob Clark , Robert Beckett Subject: [PATCH v19 01/20] ui/gdk: Restore original context after new context creation Date: Fri, 20 Feb 2026 03:16:15 +0300 Message-ID: <20260220001634.3579257-2-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260220001634.3579257-1-dmitry.osipenko@collabora.com> References: <20260220001634.3579257-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=136.143.188.112; envelope-from=dmitry.osipenko@collabora.com; helo=sender4-pp-f112.zoho.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity dmitry.osipenko@collabora.com) X-ZM-MESSAGEID: 1771546870815154100 Content-Type: text/plain; charset="utf-8" Get currently bound GL context when creating new GL context and restore it after the creation for consistency. In particular, if there was no GL context bound when gd_gl_area_create_context() invoked, then GL context will be unbound, which is important GL housekeeping detail because GL may be performed by different QEMU process threads. Signed-off-by: Dmitry Osipenko --- ui/gtk-gl-area.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c index cd86022d264a..fb783db3042d 100644 --- a/ui/gtk-gl-area.c +++ b/ui/gtk-gl-area.c @@ -251,11 +251,13 @@ QEMUGLContext gd_gl_area_create_context(DisplayGLCtx = *dgc, QEMUGLParams *params) { VirtualConsole *vc =3D container_of(dgc, VirtualConsole, gfx.dgc); + GdkGLContext *ctx, *current_ctx; GdkWindow *window; - GdkGLContext *ctx; GError *err =3D NULL; int major, minor; =20 + current_ctx =3D gdk_gl_context_get_current(); + window =3D gtk_widget_get_window(vc->gfx.drawing_area); ctx =3D gdk_window_create_gl_context(window, &err); if (err) { @@ -284,6 +286,12 @@ QEMUGLContext gd_gl_area_create_context(DisplayGLCtx *= dgc, g_clear_object(&ctx); } =20 + if (current_ctx) { + gdk_gl_context_make_current(current_ctx); + } else { + gdk_gl_context_clear_current(); + } + trace_gd_gl_area_create_context(ctx, params->major_ver, params->minor_= ver); return ctx; } --=20 2.52.0