From patchwork Wed Mar 6 20:03:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arthur Grillo X-Patchwork-Id: 13584610 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 836E2C5475B for ; Wed, 6 Mar 2024 20:04:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C581B1134FF; Wed, 6 Mar 2024 20:03:59 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; secure) header.d=riseup.net header.i=@riseup.net header.b="RlVxsnWt"; dkim-atps=neutral Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129]) by gabe.freedesktop.org (Postfix) with ESMTPS id 286EE1134FD for ; Wed, 6 Mar 2024 20:03:57 +0000 (UTC) Received: from fews02-sea.riseup.net (fews02-sea-pn.riseup.net [10.0.1.112]) (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 mx1.riseup.net (Postfix) with ESMTPS id 4Tqk0D1269zDqnY; Wed, 6 Mar 2024 20:03:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1709755436; bh=lxw3QxFzZobejKxKEX8+mofg4ioooTepWHtlSjpH3R0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=RlVxsnWte279ebXZibAtjR9pOGDVso/R7VgRzLkblD8VIL4niqiIjxvrqbEunxvGz sLWW0OIMdaMezuRqUcq3fB9BzUzLMXmZRzTIKTKJsihbp+NMW4ks27kZgeaOlPmaIS nkoLmtePaKtThw/RhDILptqtomD8EPXZW80muxV8= X-Riseup-User-ID: 4C9406F16155A317FE8B2D2AC996CC510B513A647C5017F16AE00E0AAB1FE21C Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews02-sea.riseup.net (Postfix) with ESMTPSA id 4Tqk065SYfzFvr9; Wed, 6 Mar 2024 20:03:50 +0000 (UTC) From: Arthur Grillo Date: Wed, 06 Mar 2024 17:03:12 -0300 Subject: [PATCH 5/7] drm/vkms: Add comments to format tests MIME-Version: 1.0 Message-Id: <20240306-louis-vkms-conv-v1-5-5bfe7d129fdd@riseup.net> References: <20240306-louis-vkms-conv-v1-0-5bfe7d129fdd@riseup.net> In-Reply-To: <20240306-louis-vkms-conv-v1-0-5bfe7d129fdd@riseup.net> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , arthurgrillo@riseup.net, Jonathan Corbet , pekka.paalanen@haloniitty.fi, Louis Chauvet Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, seanpaul@google.com, marcheu@google.com, nicolejadeyee@google.com 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" Signed-off-by: Arthur Grillo --- drivers/gpu/drm/vkms/tests/vkms_format_test.c | 67 +++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/drivers/gpu/drm/vkms/tests/vkms_format_test.c b/drivers/gpu/drm/vkms/tests/vkms_format_test.c index 3522ecee960f..66cdd83c3d25 100644 --- a/drivers/gpu/drm/vkms/tests/vkms_format_test.c +++ b/drivers/gpu/drm/vkms/tests/vkms_format_test.c @@ -24,7 +24,24 @@ struct yuv_u8_to_argb_u16_case { } colors[TEST_BUFF_SIZE]; }; +/* + * The YUV color representation were acquired via the colour python framework. + * Below are the function calls used for generating each case. + * + * for more information got to the docs: + * https://colour.readthedocs.io/en/master/generated/colour.RGB_to_YCbCr.html + */ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = { + /* + * colour.RGB_to_YCbCr(, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.601"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = False, + * out_int = True) + */ { .encoding = DRM_COLOR_YCBCR_BT601, .range = DRM_COLOR_YCBCR_FULL_RANGE, @@ -38,6 +55,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = { {"blue", {0x1d, 0xff, 0x6b}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.601"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = True, + * out_int = True) + */ { .encoding = DRM_COLOR_YCBCR_BT601, .range = DRM_COLOR_YCBCR_LIMITED_RANGE, @@ -51,6 +78,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = { {"blue", {0x29, 0xf0, 0x6e}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.709"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = False, + * out_int = True) + */ { .encoding = DRM_COLOR_YCBCR_BT709, .range = DRM_COLOR_YCBCR_FULL_RANGE, @@ -64,6 +101,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = { {"blue", {0x12, 0xff, 0x74}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.709"], + * in_bits = 16, + * int_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = True, + * out_int = True) + */ { .encoding = DRM_COLOR_YCBCR_BT709, .range = DRM_COLOR_YCBCR_LIMITED_RANGE, @@ -77,6 +124,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = { {"blue", {0x20, 0xf0, 0x76}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.2020"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = False, + * out_int = True) + */ { .encoding = DRM_COLOR_YCBCR_BT2020, .range = DRM_COLOR_YCBCR_FULL_RANGE, @@ -90,6 +147,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = { {"blue", {0x0f, 0xff, 0x76}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=colour.WEIGHTS_YCBCR["ITU-R BT.2020"], + * in_bits = 16, + * in_legal = False, + * in_int = True, + * out_bits = 8, + * out_legal = True, + * out_int = True) + */ { .encoding = DRM_COLOR_YCBCR_BT2020, .range = DRM_COLOR_YCBCR_LIMITED_RANGE,