From patchwork Wed Aug 14 08:19:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Louis Chauvet X-Patchwork-Id: 13763051 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 20B67C3DA4A for ; Wed, 14 Aug 2024 08:19:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 468A910E41F; Wed, 14 Aug 2024 08:19:57 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.b="fIQCuJVY"; dkim-atps=neutral Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0583110E422 for ; Wed, 14 Aug 2024 08:19:54 +0000 (UTC) Received: by mail.gandi.net (Postfix) with ESMTPSA id AD01CC000F; Wed, 14 Aug 2024 08:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1723623593; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+XLqR/82ccZGaCcoGlm+qk8KiKsKQqQDLhoRWrH/3Qw=; b=fIQCuJVYWFiym+vsfPj9/bh1x3x0I6iIQY2PaYQDdM0HkCGOXcPXj8juqukgl6X5aXKfgS reqeIvbrYRK0IML+I5qCr2TxSqRSPNAZ3uwvV+BqewlEUxCgavcPxTSLY9Du8/LkwboydO baRYASH3yyqKv0vHuqsoPmXu52oAkBVHkCYkoK+5sEwxHpluAAUjjZzCiC1znqNNWfm72G eURm1xmd/Qj6tSid0yzrm/Nkh7yosmKmZyDGI9ZmaIXx8B7Iv9JBdLweZ/F7T118prsPt7 qSA54erw94R1RU5slvREJ7yG/28le1RXiLkz6EE5qXexcydN0O0j//NoFTaQHw== From: Louis Chauvet Date: Wed, 14 Aug 2024 10:19:40 +0200 Subject: [PATCH v2 7/8] drm/vkms: Create helper macro for YUV formats MIME-Version: 1.0 Message-Id: <20240814-b4-new-color-formats-v2-7-8b3499cfe90e@bootlin.com> References: <20240814-b4-new-color-formats-v2-0-8b3499cfe90e@bootlin.com> In-Reply-To: <20240814-b4-new-color-formats-v2-0-8b3499cfe90e@bootlin.com> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie Cc: dri-devel@lists.freedesktop.org, arthurgrillo@riseup.net, 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, Louis Chauvet , 20240809-yuv-v10-0-1a7c764166f7@bootlin.com X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=5213; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=OgrIZaRglaW9lLIYFQvj2Tj4ljYg7ePzSg0Mkmo6f9o=; b=owEBbQKS/ZANAwAIASCtLsZbECziAcsmYgBmvGifM8NYxhUiKoSs23U/LpjvqGyqrDYoxHbj3 hJ7zOsBCgmJAjMEAAEIAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCZrxonwAKCRAgrS7GWxAs 4jf2EADIi8Dvo8G79mSzjEY5OGDg9gA4G5cjEl0QCIIoZLsaTjw2XYGIip37qcWZlk0+A2P9hw4 MA2+XAYPU1lKCSBA0iRiP6XXbiyq5tGUxsBsTSB/kc1biK6KwkqBCkBx52m0GuFOjzMxXvUB9kK Urzj1UYGAD3JJISTJo4h4ffS7IQQxnNCQFg0avDlKw37olEvhGAXy03WI1K5tDz+797UEwqsMOb 50oq3sRL7sggppy/lmgvF8Ywzi1jQnyRCgVPqA1rjffJQYKX9eKIxCzj2vijE5+nfLNo7MtemW3 Xceq/rnX/g5pP3Zu/v9AdQhT6xO5N4CHweS8As3CLfaGaQvvyYfqeaVqQtW+gy47RiGXeiKwYUV +afsyYzBId05zdreqlrkxOlHmeFKSGWFBD+i3NA1OnXu+dsdjrfhTqx38aODQVSH2/+FJy/KkFY LpEiWT2tLbUHOdsAaVcG45LpVJdD+IAF2ENylbSU5uN+W/L7Jb0piruF3wtCsx/GjxkaFPdFDdk 1UOhf1OxmelZdYJzNTmggFhfsuJeUIOrjpBn0g3Hb+BttgxWLXZVEqk74VvYNNlmlxhMFnWJQ40 +y53JkJQetkD1vYUnbPVpht1mXO9Rm1UInJuX/J37M13hHlqQc3F7Fzz584p936XT6fbpC/SkWo 3a9rPa9ufHETwDg== X-Developer-Key: i=louis.chauvet@bootlin.com; a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-GND-Sasl: louis.chauvet@bootlin.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" The callback functions for line conversion are almost identical for semi-planar formats. The generic READ_LINE_YUV_SEMIPLANAR macro generate all the required boilerplate to process a line from a semi-planar format. Signed-off-by: Louis Chauvet --- drivers/gpu/drm/vkms/vkms_formats.c | 75 ++++++++++++++++++++++++------------- 1 file changed, 48 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c index 71aae2397c5f..129672a555ce 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -484,35 +484,56 @@ READ_LINE(R8_read_line, px, u8, argb_u16_from_gray8, *px) * - Convert YUV and YVU with the same function (a column swap is needed when setting up * plane->conversion_matrix) */ -static void semi_planar_yuv_read_line(const struct vkms_plane_state *plane, int x_start, - int y_start, enum pixel_read_direction direction, int count, - struct pixel_argb_u16 out_pixel[]) -{ - u8 *y_plane; - u8 *uv_plane; - - packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, - &y_plane); - packed_pixels_addr_1x1(plane->frame_info, - x_start / plane->frame_info->fb->format->hsub, - y_start / plane->frame_info->fb->format->vsub, 1, - &uv_plane); - int step_y = get_block_step_bytes(plane->frame_info->fb, direction, 0); - int step_uv = get_block_step_bytes(plane->frame_info->fb, direction, 1); - int subsampling = get_subsampling(plane->frame_info->fb->format, direction); - int subsampling_offset = get_subsampling_offset(direction, x_start, y_start); - const struct conversion_matrix *conversion_matrix = &plane->conversion_matrix; - for (int i = 0; i < count; i++) { - *out_pixel = argb_u16_from_yuv161616(conversion_matrix, y_plane[0] * 257, - uv_plane[0] * 257, uv_plane[1] * 257); - out_pixel += 1; - y_plane += step_y; - if ((i + subsampling_offset + 1) % subsampling == 0) - uv_plane += step_uv; - } +/** + * READ_LINE_YUV_SEMIPLANAR() - Generic generator for a read_line function which can be used for yuv + * formats with two planes and block_w == block_h == 1. + * + * @function_name: Function name to generate + * @pixel_1_name: temporary pixel name for the first plane used in the @__VA_ARGS__ parameters + * @pixel_2_name: temporary pixel name for the second plane used in the @__VA_ARGS__ parameters + * @pixel_1_type: Used to specify the type you want to cast the pixel pointer on the plane 1 + * @pixel_2_type: Used to specify the type you want to cast the pixel pointer on the plane 2 + * @callback: Callback to call for each pixels. This function should take + * (struct conversion_matrix*, @__VA_ARGS__) as parameter and return a pixel_argb_u16 + * @__VA_ARGS__: Argument to pass inside the callback. You can use @pixel_1_name and @pixel_2_name + * to access current pixel values + */ +#define READ_LINE_YUV_SEMIPLANAR(function_name, pixel_1_name, pixel_2_name, pixel_1_type, \ + pixel_2_type, callback, ...) \ +static void function_name(const struct vkms_plane_state *plane, int x_start, \ + int y_start, enum pixel_read_direction direction, int count, \ + struct pixel_argb_u16 out_pixel[]) \ +{ \ + u8 *plane_1; \ + u8 *plane_2; \ + \ + packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, \ + &plane_1); \ + packed_pixels_addr_1x1(plane->frame_info, \ + x_start / plane->frame_info->fb->format->hsub, \ + y_start / plane->frame_info->fb->format->vsub, 1, \ + &plane_2); \ + int step_1 = get_block_step_bytes(plane->frame_info->fb, direction, 0); \ + int step_2 = get_block_step_bytes(plane->frame_info->fb, direction, 1); \ + int subsampling = get_subsampling(plane->frame_info->fb->format, direction); \ + int subsampling_offset = get_subsampling_offset(direction, x_start, y_start); \ + const struct conversion_matrix *conversion_matrix = &plane->conversion_matrix; \ + \ + for (int i = 0; i < count; i++) { \ + pixel_1_type *(pixel_1_name) = (pixel_1_type *)plane_1; \ + pixel_2_type *(pixel_2_name) = (pixel_2_type *)plane_2; \ + *out_pixel = (callback)(conversion_matrix, __VA_ARGS__); \ + out_pixel += 1; \ + plane_1 += step_1; \ + if ((i + subsampling_offset + 1) % subsampling == 0) \ + plane_2 += step_2; \ + } \ } +READ_LINE_YUV_SEMIPLANAR(YUV888_semiplanar_read_line, y, uv, u8, u8, argb_u16_from_yuv161616, + y[0] * 257, uv[0] * 257, uv[1] * 257) + /* * This callback can be used for YUV format where each color component is * stored in a different plane (often called planar formats). It will @@ -704,7 +725,7 @@ pixel_read_line_t get_pixel_read_line_function(u32 format) case DRM_FORMAT_NV21: case DRM_FORMAT_NV61: case DRM_FORMAT_NV42: - return &semi_planar_yuv_read_line; + return &YUV888_semiplanar_read_line; case DRM_FORMAT_YUV420: case DRM_FORMAT_YUV422: case DRM_FORMAT_YUV444: