From patchwork Mon Jun 15 15:14:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 280512 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EEC5EC433E1 for ; Mon, 15 Jun 2020 15:16:52 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B9D212074D for ; Mon, 15 Jun 2020 15:16:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DJOi6ud+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B9D212074D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45104 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jkqqy-00082J-1A for qemu-devel@archiver.kernel.org; Mon, 15 Jun 2020 11:16:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38752) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jkqpH-0005oi-7C for qemu-devel@nongnu.org; Mon, 15 Jun 2020 11:15:07 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:45198 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jkqpE-0008Lb-Bx for qemu-devel@nongnu.org; Mon, 15 Jun 2020 11:15:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592234103; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type:in-reply-to:in-reply-to: references:references; bh=F/2U1gqJCq2Vp9VYdoKiwFyHD55DQl1YJBnEpskCPy0=; b=DJOi6ud+xqlcKAMO2aKwOLznbZ2+dYEW7V5oDhGRjcA9bMki9xAu1dIz8EQZMDEmiodsFl KZBZ6df0wVnJlcxQV6UPJbkA+p02FYD5i8oVrCSJqB7LEUOMcfiTb3+foswLmSQN2fAIZb 0v+WHB8l6WqHqvrvq8jD0ubYDOkK1Bs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-148-_ga6LpE2M4GzgyU2dcJNBQ-1; Mon, 15 Jun 2020 11:14:54 -0400 X-MC-Unique: _ga6LpE2M4GzgyU2dcJNBQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C5969100CCC3; Mon, 15 Jun 2020 15:14:53 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-67.ams2.redhat.com [10.36.112.67]) by smtp.corp.redhat.com (Postfix) with ESMTP id A1D6E60C47; Mon, 15 Jun 2020 15:14:51 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 99B0E9D8F; Mon, 15 Jun 2020 17:14:49 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 4/4] sm501: Optimise 1 pixel 2d ops Date: Mon, 15 Jun 2020 17:14:49 +0200 Message-Id: <20200615151449.19818-5-kraxel@redhat.com> In-Reply-To: <20200615151449.19818-1-kraxel@redhat.com> References: <20200615151449.19818-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.61; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/15 01:12:36 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: qemu-ppc@nongnu.org, Gerd Hoffmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: BALATON Zoltan Some guests do 1x1 blits which is faster to do directly than calling a function for it so avoid overhead in this case. Signed-off-by: BALATON Zoltan Message-id: 9fab4fe6513fe8b921ce86a57f4ff7e0d5a3c3f9.1591471056.git.balaton@eik.bme.hu Signed-off-by: Gerd Hoffmann --- hw/display/sm501.c | 40 +++++++++++++++++++++++++++++++++++++--- 1 file changed, 37 insertions(+), 3 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 3397ca9fbf4c..59693fbb5c17 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -793,6 +793,25 @@ static void sm501_2d_operation(SM501State *s) src_x == dst_x && src_y == dst_y) { break; } + /* Some clients also do 1 pixel blits, avoid overhead for these */ + if (width == 1 && height == 1) { + unsigned int si = (src_x + src_y * src_pitch) * (1 << format); + unsigned int di = (dst_x + dst_y * dst_pitch) * (1 << format); + switch (format) { + case 0: + s->local_mem[dst_base + di] = s->local_mem[src_base + si]; + break; + case 1: + *(uint16_t *)&s->local_mem[dst_base + di] = + *(uint16_t *)&s->local_mem[src_base + si]; + break; + case 2: + *(uint32_t *)&s->local_mem[dst_base + di] = + *(uint32_t *)&s->local_mem[src_base + si]; + break; + } + break; + } /* Check for overlaps, this could be made more exact */ uint32_t sb, se, db, de; sb = src_base + src_x + src_y * (width + src_pitch); @@ -841,9 +860,24 @@ static void sm501_2d_operation(SM501State *s) color = cpu_to_le16(color); } - pixman_fill((uint32_t *)&s->local_mem[dst_base], - dst_pitch * (1 << format) / sizeof(uint32_t), - 8 * (1 << format), dst_x, dst_y, width, height, color); + if (width == 1 && height == 1) { + unsigned int i = (dst_x + dst_y * dst_pitch) * (1 << format); + switch (format) { + case 0: + s->local_mem[dst_base + i] = color & 0xff; + break; + case 1: + *(uint16_t *)&s->local_mem[dst_base + i] = color & 0xffff; + break; + case 2: + *(uint32_t *)&s->local_mem[dst_base + i] = color; + break; + } + } else { + pixman_fill((uint32_t *)&s->local_mem[dst_base], + dst_pitch * (1 << format) / sizeof(uint32_t), + 8 * (1 << format), dst_x, dst_y, width, height, color); + } break; } default: