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Tsirkin" , Paolo Bonzini 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 , Pierre-Eric Pelloux-Prayer , Honglei Huang , Julia Zhang , Chen Jiqian , Rob Clark Subject: [PATCH v1 1/6] ui/sdl2: Restore original context after new context creation Date: Mon, 7 Oct 2024 02:23:43 +0300 Message-ID: <20241006232350.3198759-2-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20241006232350.3198759-1-dmitry.osipenko@collabora.com> References: <20241006232350.3198759-1-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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: 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: 1728257241340116600 Content-Type: text/plain; charset="utf-8" SDL API changes GL context to a newly created GL context, which differs from other GL providers that don't switch context. Change SDL backend to restore the original GL context. This allows Qemu's virtio-gpu to support new virglrenderer async-fencing feature for Virgl context, otherwise it's impossible for virglrenderer to switch GL context from a thread that waits for async-fences. Signed-off-by: Dmitry Osipenko --- ui/sdl2-gl.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/ui/sdl2-gl.c b/ui/sdl2-gl.c index e01d9ab0c7bf..b1fe96d6af22 100644 --- a/ui/sdl2-gl.c +++ b/ui/sdl2-gl.c @@ -168,6 +168,9 @@ QEMUGLContext sdl2_gl_create_context(DisplayGLCtx *dgc, SDL_GL_CONTEXT_PROFILE_ES); ctx =3D SDL_GL_CreateContext(scon->real_window); } + + SDL_GL_MakeCurrent(scon->real_window, scon->winctx); + return (QEMUGLContext)ctx; } =20 --=20 2.46.0