From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 956A94EEDB for ; Wed, 14 May 2025 19:04:25 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 2DD5C68C2E6; Wed, 14 May 2025 22:03:13 +0300 (EEST) Received: from vidala.pars.ee (vidala.pars.ee [116.203.72.101]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id B56C268BF86 for ; Wed, 14 May 2025 22:02:56 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; s=202405r; d=lynne.ee; c=relaxed/relaxed; h=Message-ID:Date:Subject:To:From; t=1747249376; bh=C1gBiNsSXZHNgiO0fkArilU n0cY/lMxwNOmSTi607eQ=; b=M46kFAV1ZtGAonqHexaV+ikIHCIdVcA6cOdJwLZAIUUstaFliW sRiGamljhXikFJuYXzgsTAX8f+JBYv8jzRfmXyWboDqLSavB1RdSOTzEVfAMvbOadgAoiqOpKt3 8K7xiHkvuJoZ1K4N+baINbpMV9FNWNxePzJUl+A5ksACKi7V04BsR/iQaviSd5dqQy6HWx2dDLs eJWEle3Gd+dcGCP7voNP3XDbFFHvT6znw8l/o7a9B5Ju15HGAF7W2n6ctsxY0hC1TAnXSGdEiZk tzGWKGwUWxCyth0UfGmg58WvxVBElMgE/ew0hVTaDaTQfhaA1o9hiS39TgSZshBKmTw==; DKIM-Signature: v=1; a=ed25519-sha256; s=202405e; d=lynne.ee; c=relaxed/relaxed; h=Message-ID:Date:Subject:To:From; t=1747249376; bh=C1gBiNsSXZHNgiO0fkArilU n0cY/lMxwNOmSTi607eQ=; b=WBtlOYwMRjztH02bXTuulSyWYilk1qSi5ZIBSw1T9WmZ/dZmEV YMPVQ7fncYmrQGQz6TeZY8PShErzxJkjKhBw==; From: Lynne To: ffmpeg-devel@ffmpeg.org Date: Wed, 14 May 2025 21:02:36 +0200 Message-ID: <20250514190253.162819-7-dev@lynne.ee> X-Mailer: git-send-email 2.49.0.395.g12beb8f557c In-Reply-To: <20250514190253.162819-1-dev@lynne.ee> References: <20250514190253.162819-1-dev@lynne.ee> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 07/16] ffv1_common: minor RGB optimization X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Lynne Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: --- libavcodec/vulkan/ffv1_common.comp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavcodec/vulkan/ffv1_common.comp b/libavcodec/vulkan/ffv1_common.comp index 1f222bdc42..3d40592739 100644 --- a/libavcodec/vulkan/ffv1_common.comp +++ b/libavcodec/vulkan/ffv1_common.comp @@ -100,17 +100,17 @@ uint slice_coord(uint width, uint sx, uint num_h_slices, uint chroma_shift) ivec2 get_pred(readonly uimage2D pred, ivec2 sp, ivec2 off, int comp, int sw, uint8_t quant_table_idx, bool extend_lookup) { - const ivec2 yoff_border1 = expectEXT(off.x == 0, false) ? ivec2(1, -1) : ivec2(0, 0); + const ivec2 yoff_border1 = expectEXT(off.x == 0, false) ? off + ivec2(1, -1) : off; /* Thanks to the same coincidence as below, we can skip checking if off == 0, 1 */ - VTYPE3 top = VTYPE3(TYPE(imageLoad(pred, sp + LADDR(off + ivec2(-1, -1) + yoff_border1))[comp]), + VTYPE3 top = VTYPE3(TYPE(imageLoad(pred, sp + LADDR(yoff_border1 + ivec2(-1, -1)))[comp]), TYPE(imageLoad(pred, sp + LADDR(off + ivec2(0, -1)))[comp]), TYPE(imageLoad(pred, sp + LADDR(off + ivec2(min(1, sw - off.x - 1), -1)))[comp])); /* Normally, we'd need to check if off != ivec2(0, 0) here, since otherwise, we must * return zero. However, ivec2(-1, 0) + ivec2(1, -1) == ivec2(0, -1), e.g. previous * row, 0 offset, same slice, which is zero since we zero out the buffer for RGB */ - TYPE cur = TYPE(imageLoad(pred, sp + LADDR(off + ivec2(-1, 0) + yoff_border1))[comp]); + TYPE cur = TYPE(imageLoad(pred, sp + LADDR(yoff_border1 + ivec2(-1, 0)))[comp]); int base = quant_table[quant_table_idx][0][(cur - top[0]) & MAX_QUANT_TABLE_MASK] + quant_table[quant_table_idx][1][(top[0] - top[1]) & MAX_QUANT_TABLE_MASK] + -- 2.49.0.395.g12beb8f557c _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".