From nobody Mon Feb 9 20:11:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1623109376; cv=none; d=zohomail.com; s=zohoarc; b=lKStWatgAS0eCNDGCEiahr69vGW+E0UWmlhrOD8N+hq/fcHnZ2Y5iBBd5GijxXyvfw+5SI/PtwpUyTAsBts5aTHIHfTKmUdkmneHyuIgpiGLmJnBL3LOIykIkgDolLj1VpgrP7YaJiitAK1bR/MVmYhiivUditXAZxwebA0i9rA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623109376; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=bs24PoaZTCEgHne+VWXO0yd7aInrQFeOPEzRNt2SFds=; b=nQxGkSbdgBuS6mfEXMJgr343TlTdI81FO0PzvIzCL3jnIiU0R7nOuXxcjwVOm1gGWq2529HTed/RX+HTeul6j/f/ziowstlIpXAVXuZ5QwvO7lq/VQhHH1Zp8E3i7iqQpw5/WaMXZ60pR4wCrZFHMVhXSK6en2/m6bUW2W3LpXc= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1623109376205953.6182311230258; Mon, 7 Jun 2021 16:42:56 -0700 (PDT) Received: from localhost ([::1]:43942 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lqOtS-00082W-8g for importer@patchew.org; Mon, 07 Jun 2021 19:42:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39030) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqOoy-0001ab-6z for qemu-devel@nongnu.org; Mon, 07 Jun 2021 19:38:16 -0400 Received: from mga06.intel.com ([134.134.136.31]:2292) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqOow-00075e-Bn for qemu-devel@nongnu.org; Mon, 07 Jun 2021 19:38:15 -0400 Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2021 16:38:03 -0700 Received: from vkasired-desk2.fm.intel.com ([10.105.128.127]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2021 16:38:02 -0700 IronPort-SDR: V4OVUNgfnE0sL6pwcv0oNYJYCAb6y2sCwOsdDmSaRhTGzQ21re41cMlbofo3oqDHjhWAwE/2uA sL6fgh5uiGuA== X-IronPort-AV: E=McAfee;i="6200,9189,10008"; a="265889549" X-IronPort-AV: E=Sophos;i="5.83,256,1616482800"; d="scan'208";a="265889549" IronPort-SDR: rZmKqcmORWucPaYKyMe0yxkV78qcjGZTgGB/rYcYSQCWmAbAXNHk4r6xyIvTZ8J/KfApezK0oR QTxHoYYozgfw== X-IronPort-AV: E=Sophos;i="5.83,256,1616482800"; d="scan'208";a="551403355" From: Vivek Kasireddy To: qemu-devel@nongnu.org Subject: [PATCH v1 3/5] ui/egl: Add egl helpers to help with synchronization Date: Mon, 7 Jun 2021 16:25:28 -0700 Message-Id: <20210607232530.454435-4-vivek.kasireddy@intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210607232530.454435-1-vivek.kasireddy@intel.com> References: <20210607232530.454435-1-vivek.kasireddy@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=134.134.136.31; envelope-from=vivek.kasireddy@intel.com; helo=mga06.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vivek Kasireddy , Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" These egl helpers would be used for creating and waiting on a sync object. Cc: Gerd Hoffmann Signed-off-by: Vivek Kasireddy --- include/ui/console.h | 2 ++ include/ui/egl-helpers.h | 3 +++ ui/egl-helpers.c | 44 ++++++++++++++++++++++++++++++++++++++++ ui/gtk.c | 15 ++++++++++++++ 4 files changed, 64 insertions(+) diff --git a/include/ui/console.h b/include/ui/console.h index c3dca61c31..a89f739f10 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -168,6 +168,8 @@ typedef struct QemuDmaBuf { uint64_t modifier; uint32_t texture; bool y0_top; + void *sync; + int fence_fd; } QemuDmaBuf; =20 typedef struct DisplayState DisplayState; diff --git a/include/ui/egl-helpers.h b/include/ui/egl-helpers.h index f1bf8f97fc..5a7575dc13 100644 --- a/include/ui/egl-helpers.h +++ b/include/ui/egl-helpers.h @@ -45,6 +45,9 @@ int egl_get_fd_for_texture(uint32_t tex_id, EGLint *strid= e, EGLint *fourcc, =20 void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf); void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf); +void egl_dmabuf_create_sync(QemuDmaBuf *dmabuf); +void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf); +void egl_dmabuf_wait_sync(QemuDmaBuf *dmabuf); =20 #endif =20 diff --git a/ui/egl-helpers.c b/ui/egl-helpers.c index 6d0cb2b5cb..47220b66e0 100644 --- a/ui/egl-helpers.c +++ b/ui/egl-helpers.c @@ -76,6 +76,50 @@ void egl_fb_setup_for_tex(egl_fb *fb, int width, int hei= ght, GL_TEXTURE_2D, fb->texture, 0); } =20 +void egl_dmabuf_create_sync(QemuDmaBuf *dmabuf) +{ + EGLSyncKHR sync; + + if (epoxy_has_egl_extension(qemu_egl_display, + "EGL_KHR_fence_sync") && + epoxy_has_egl_extension(qemu_egl_display, + "EGL_ANDROID_native_fence_sync")) { + sync =3D eglCreateSyncKHR(qemu_egl_display, + EGL_SYNC_NATIVE_FENCE_ANDROID, NULL); + if (sync !=3D EGL_NO_SYNC_KHR) { + dmabuf->sync =3D sync; + } + } +} + +void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf) +{ + if (dmabuf->sync) { + dmabuf->fence_fd =3D eglDupNativeFenceFDANDROID(qemu_egl_display, + dmabuf->sync); + eglDestroySyncKHR(qemu_egl_display, dmabuf->sync); + dmabuf->sync =3D NULL; + } +} + +void egl_dmabuf_wait_sync(QemuDmaBuf *dmabuf) +{ + EGLSyncKHR sync; + EGLint attrib_list[] =3D { + EGL_SYNC_NATIVE_FENCE_FD_ANDROID, dmabuf->fence_fd, + EGL_NONE, + }; + + sync =3D eglCreateSyncKHR(qemu_egl_display, + EGL_SYNC_NATIVE_FENCE_ANDROID, attrib_list); + if (sync !=3D EGL_NO_SYNC_KHR) { + eglClientWaitSyncKHR(qemu_egl_display, sync, + 0, EGL_FOREVER_KHR); + eglDestroySyncKHR(qemu_egl_display, sync); + dmabuf->fence_fd =3D -1; + } +} + void egl_fb_setup_new_tex(egl_fb *fb, int width, int height) { GLuint texture; diff --git a/ui/gtk.c b/ui/gtk.c index 6132bab52f..cd884ca26c 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -583,6 +583,19 @@ static void gd_gl_release_dmabuf(DisplayChangeListener= *dcl, #endif } =20 +static void gd_gl_wait_dmabuf(DisplayChangeListener *dcl, + QemuDmaBuf *dmabuf) +{ +#ifdef CONFIG_GBM + egl_dmabuf_create_fence(dmabuf); + if (dmabuf->fence_fd <=3D 0) { + return; + } + + egl_dmabuf_wait_sync(dmabuf); +#endif +} + /** DisplayState Callbacks (opengl version) **/ =20 static const DisplayChangeListenerOps dcl_gl_area_ops =3D { @@ -602,6 +615,7 @@ static const DisplayChangeListenerOps dcl_gl_area_ops = =3D { .dpy_gl_update =3D gd_gl_area_scanout_flush, .dpy_gl_scanout_dmabuf =3D gd_gl_area_scanout_dmabuf, .dpy_gl_release_dmabuf =3D gd_gl_release_dmabuf, + .dpy_gl_wait_dmabuf =3D gd_gl_wait_dmabuf, .dpy_has_dmabuf =3D gd_has_dmabuf, }; =20 @@ -626,6 +640,7 @@ static const DisplayChangeListenerOps dcl_egl_ops =3D { .dpy_gl_cursor_position =3D gd_egl_cursor_position, .dpy_gl_update =3D gd_egl_scanout_flush, .dpy_gl_release_dmabuf =3D gd_gl_release_dmabuf, + .dpy_gl_wait_dmabuf =3D gd_gl_wait_dmabuf, .dpy_has_dmabuf =3D gd_has_dmabuf, }; =20 --=20 2.30.2