From patchwork Tue Jul 9 08:40:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jocelyn Falempe X-Patchwork-Id: 13727449 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0541DC2BD09 for ; Tue, 9 Jul 2024 08:45:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EAF2610E4CB; Tue, 9 Jul 2024 08:45:44 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="M7QHPq9l"; dkim-atps=neutral Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4312410E4C3 for ; Tue, 9 Jul 2024 08:45:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1720514740; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=0frVolVqICIByf5Si0QYc0zMajNKduQXQ0wYd9/EsUE=; b=M7QHPq9lcfOG4pMb78NwIEFp+XeuzoeImiRWlkyR3nCkNvoZ03a6Q8NR1oQ4lpWIWEMLwh Hket3JKELU5BVhAnheaogC+maZteS+3dQ4ejmygY7GHgYJ+FTHpXkIUambSsxNOnOO0//B daV5WO7VxvhDpIUrnHybHsxe9Z/vuT4= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-151-SWfmqhNzMxip0D90k3uomg-1; Tue, 09 Jul 2024 04:45:35 -0400 X-MC-Unique: SWfmqhNzMxip0D90k3uomg-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 61FF81955BD0; Tue, 9 Jul 2024 08:45:33 +0000 (UTC) Received: from hydra.redhat.com (unknown [10.39.193.246]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 36BED195605A; Tue, 9 Jul 2024 08:45:27 +0000 (UTC) From: Jocelyn Falempe To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Miguel Ojeda , Alex Gaynor , Wedson Almeida Filho , Boqun Feng , Gary Guo , "Bjorn Roy Baron" , Benno Lossin , Andreas Hindborg , Alice Ryhl , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, rust-for-linux@vger.kernel.org, Danilo Krummrich Cc: Jocelyn Falempe Subject: [PATCH v2 2/4] drm/rect: add drm_rect_overlap() Date: Tue, 9 Jul 2024 10:40:08 +0200 Message-ID: <20240709084458.158659-3-jfalempe@redhat.com> In-Reply-To: <20240709084458.158659-1-jfalempe@redhat.com> References: <20240709084458.158659-1-jfalempe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Check if two rectangles overlap. It's a bit similar to drm_rect_intersect() but this won't modify the rectangle. Simplifies a bit drm_panic. Signed-off-by: Jocelyn Falempe --- drivers/gpu/drm/drm_panic.c | 3 +-- include/drm/drm_rect.h | 15 +++++++++++++++ 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c index fb8c823b7c00..9e06609e1799 100644 --- a/drivers/gpu/drm/drm_panic.c +++ b/drivers/gpu/drm/drm_panic.c @@ -522,8 +522,7 @@ static void draw_panic_static_user(struct drm_scanout_buffer *sb) /* Fill with the background color, and draw text on top */ drm_panic_fill(sb, &r_screen, bg_color); - if ((r_msg.x1 >= logo_width || r_msg.y1 >= logo_height) && - logo_width <= sb->width && logo_height <= sb->height) { + if (!drm_rect_overlap(&r_logo, &r_msg)) { if (logo_mono) drm_panic_blit(sb, &r_logo, logo_mono->data, DIV_ROUND_UP(logo_width, 8), fg_color); diff --git a/include/drm/drm_rect.h b/include/drm/drm_rect.h index 73fcb899a01d..7bafde747d56 100644 --- a/include/drm/drm_rect.h +++ b/include/drm/drm_rect.h @@ -238,6 +238,21 @@ static inline void drm_rect_fp_to_int(struct drm_rect *dst, drm_rect_height(src) >> 16); } +/** + * drm_rect_overlap - Check if two rectangles overlap + * @r1: first rectangle + * @r2: second rectangle + * + * RETURNS: + * %true if the rectangles overlap, %false otherwise. + */ +static inline bool drm_rect_overlap(const struct drm_rect *r1, + const struct drm_rect *r2) +{ + return (r1->x2 > r2->x1 && r2->x2 > r1->x1 && + r1->y2 > r2->y1 && r2->y2 > r1->y1); +} + bool drm_rect_intersect(struct drm_rect *r, const struct drm_rect *clip); bool drm_rect_clip_scaled(struct drm_rect *src, struct drm_rect *dst, const struct drm_rect *clip);