From patchwork Mon Jan 19 14:29:06 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 5659021 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 419E2C058D for ; Mon, 19 Jan 2015 14:29:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 419BE202F8 for ; Mon, 19 Jan 2015 14:29:24 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id B4A5C20272 for ; Mon, 19 Jan 2015 14:29:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1637D6E2B1; Mon, 19 Jan 2015 06:29:20 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from relay.fireflyinternet.com (hostedrelay.fireflyinternet.com [109.228.30.76]) by gabe.freedesktop.org (Postfix) with ESMTP id 38F6F6E2B1 for ; Mon, 19 Jan 2015 06:29:18 -0800 (PST) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by relay.fireflyinternet.com (FireflyRelay1) with ESMTP id 12850767-1305619 for multiple; Mon, 19 Jan 2015 14:29:21 +0000 From: Chris Wilson To: xorg-devel@lists.x.org, dri-devel@lists.freedesktop.org, mesa-dev@lsits.freedesktop.org Subject: [PATCH v2] dri2: Reuse unused flags in GetBuffers protocol to pass last SBC Date: Mon, 19 Jan 2015 14:29:06 +0000 Message-Id: <1421677746-19622-1-git-send-email-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.1.4 In-Reply-To: <20150119141426.GH26577@nuc-i3427.alporthouse.com> References: <20150119141426.GH26577@nuc-i3427.alporthouse.com> X-Authenticated-User: chris.alporthouse@surfanytime.net X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Allow mesa/dri2 to implement GLX_EXT_buffer_age by reporting the sbc of when the current back buffer was defined. As this may require ddx support, only set the value if enabled by the ddx and report the new semantics via a DRI2GetParam request. Signed-off-by: Chris Wilson --- configure.ac | 2 +- hw/xfree86/dri2/dri2.c | 25 +++++++++++++++++++++---- hw/xfree86/dri2/dri2.h | 1 + 3 files changed, 23 insertions(+), 5 deletions(-) diff --git a/configure.ac b/configure.ac index b593fc7..e49c35e 100644 --- a/configure.ac +++ b/configure.ac @@ -768,7 +768,7 @@ RECORDPROTO="recordproto >= 1.13.99.1" SCRNSAVERPROTO="scrnsaverproto >= 1.1" RESOURCEPROTO="resourceproto >= 1.2.0" DRIPROTO="xf86driproto >= 2.1.0" -DRI2PROTO="dri2proto >= 2.8" +DRI2PROTO="dri2proto >= 2.9" DRI3PROTO="dri3proto >= 1.0" XINERAMAPROTO="xineramaproto" BIGFONTPROTO="xf86bigfontproto >= 1.2.0" diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c index 2c0367e..d70a632 100644 --- a/hw/xfree86/dri2/dri2.c +++ b/hw/xfree86/dri2/dri2.c @@ -49,6 +49,8 @@ #include "damage.h" #include "xf86.h" +#include /* for parameter names */ + CARD8 dri2_major; /* version of DRI2 supported by DDX */ CARD8 dri2_minor; @@ -115,6 +117,7 @@ typedef struct _DRI2Screen { unsigned int lastSequence; int prime_id; int scheduleSwap0; + int bufferAge; DRI2CreateBufferProcPtr CreateBuffer; DRI2DestroyBufferProcPtr DestroyBuffer; @@ -1117,6 +1120,9 @@ DRI2SwapBuffers(ClientPtr client, DrawablePtr pDraw, CARD64 target_msc, return BadDrawable; } + if (ds->bufferAge) + pSrcBuffer->flags = *swap_target; + /* Old DDX or PRIME, just blit */ if (!ds->scheduleSwap0 || pPriv->prime_id) { BoxRec box; @@ -1562,6 +1568,7 @@ DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info) if (info->version >= 10) { ds->scheduleSwap0 = info->scheduleSwap0; + ds->bufferAge = info->bufferAge; } /* @@ -1684,10 +1691,20 @@ DRI2GetParam(ClientPtr client, switch (high_byte) { case 0: - /* Parameter names whose high_byte is 0 are reserved for the X - * server. The server currently recognizes no parameters. - */ - goto not_recognized; + /* Parameter names whose high_byte is 0 are reserved for the X + * server. + */ + switch (param) { + case DRI2ParamXHasBufferAge: + *value = ds->bufferAge; + break; + default: + goto not_recognized; + } + + *is_param_recognized = TRUE; + return Success; + case 1: /* Parameter names whose high byte is 1 are reserved for the DDX. */ if (ds->GetParam) diff --git a/hw/xfree86/dri2/dri2.h b/hw/xfree86/dri2/dri2.h index 1cf4288..e76f7a8 100644 --- a/hw/xfree86/dri2/dri2.h +++ b/hw/xfree86/dri2/dri2.h @@ -255,6 +255,7 @@ typedef struct { /* added in version 10 */ int scheduleSwap0; + int bufferAge; } DRI2InfoRec, *DRI2InfoPtr; extern _X_EXPORT Bool DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info);