754495247b
Drawing the list of channels on the left side of VSE timeline was taking surprisingly long time (3.5ms in Sprite Fright Edit v135 on Mac M1 Max). This PR makes them draw in 0.4ms, i.e. 10x faster, by doing two things: - Stop "search through the whole timeline" work whenever we need to know which meta strip (if any) owns some VSE channel. Remember that info in the "sequence lookup" that already holds data to speedup similar queries (sequence by name, meta by sequence). I.e. this gains "channel owner by channel" query hashtable. - Stop alternating between "regular font glyph cache" and "svg icons glyph cache" on each channel row, which incurs a draw call / UI batch flush. Instead, draw all the lock/mute widgets first, then all the channel names. While at it, simplify code related to sequence lookup: - Use C++ mutex with lock_guard - Use BLI Map instead of GHash - Simplify SEQ_sequence_lookup_tag to just SEQ_sequence_lookup_invalidate - Remove unused SEQ_get_meta_by_seqbase and SEQ_query_all_meta_strips_recursive Pull Request: https://projects.blender.org/blender/blender/pulls/127913
118 lines
4.4 KiB
C++
118 lines
4.4 KiB
C++
/* SPDX-FileCopyrightText: 2004 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup sequencer
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*/
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#include "BLI_vector_set.hh"
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struct Sequence;
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/**
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* Callback format for the for_each function below.
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*/
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using SeqForEachFunc = bool (*)(Sequence *seq, void *user_data);
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/**
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* Utility function to recursively iterate through all sequence strips in a `seqbase` list.
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* Uses callback to do operations on each sequence element.
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* The callback can stop the iteration if needed.
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*
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* \param seqbase: #ListBase of sequences to be iterated over.
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* \param callback: query function callback, returns false if iteration should stop.
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* \param user_data: pointer to user data that can be used in the callback function.
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*/
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void SEQ_for_each_callback(ListBase *seqbase, SeqForEachFunc callback, void *user_data);
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/**
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* Expand set by running `seq_query_func()` for each strip, which will be used as reference.
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* Results of these queries will be merged into provided collection.
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*
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* \param seqbase: ListBase in which strips are queried
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* \param strips: set of strips to be expanded
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* \param seq_query_func: query function callback
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*/
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void SEQ_iterator_set_expand(const Scene *scene,
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ListBase *seqbase,
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blender::VectorSet<Sequence *> &strips,
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void seq_query_func(const Scene *scene,
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Sequence *seq_reference,
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ListBase *seqbase,
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blender::VectorSet<Sequence *> &strips));
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/**
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* Query strips from seqbase. seq_reference is used by query function as filter condition.
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*
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* \param seq_reference: reference strip for query function
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* \param seqbase: ListBase in which strips are queried
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* \param seq_query_func: query function callback
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* \return set of strips
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*/
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blender::VectorSet<Sequence *> SEQ_query_by_reference(
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Sequence *seq_reference,
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const Scene *scene,
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ListBase *seqbase,
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void seq_query_func(const Scene *scene,
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Sequence *seq_reference,
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ListBase *seqbase,
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blender::VectorSet<Sequence *> &strips));
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/**
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* Query all selected strips in seqbase.
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*
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* \param seqbase: ListBase in which strips are queried
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* \return set of strips
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*/
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blender::VectorSet<Sequence *> SEQ_query_selected_strips(ListBase *seqbase);
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/**
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* Query all unselected strips in seqbase.
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*
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* \param seqbase: ListBase in which strips are queried
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* \return set of strips
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*/
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blender::VectorSet<Sequence *> SEQ_query_unselected_strips(ListBase *seqbase);
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/**
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* Query all strips in seqbase. This does not include strips nested in meta strips.
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*
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* \param seqbase: ListBase in which strips are queried
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* \return set of strips
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*/
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blender::VectorSet<Sequence *> SEQ_query_all_strips(ListBase *seqbase);
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/**
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* Query all strips in seqbase and nested meta strips.
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*
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* \param seqbase: ListBase in which strips are queried
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* \return set of strips
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*/
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blender::VectorSet<Sequence *> SEQ_query_all_strips_recursive(const ListBase *seqbase);
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/**
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* Query all effect strips that are directly or indirectly connected to seq_reference.
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* This includes all effects of seq_reference, strips used by another inputs and their effects, so
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* that whole chain is fully independent of other strips.
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*
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* \param seq_reference: reference strip
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* \param seqbase: ListBase in which strips are queried
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* \param strips: set of strips to be filled
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*/
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void SEQ_query_strip_effect_chain(const Scene *scene,
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Sequence *seq_reference,
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ListBase *seqbase,
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blender::VectorSet<Sequence *> &strips);
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/**
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* Query strips that are rendered at \a timeline_frame when \a displayed channel is viewed
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*
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* \param seqbase: ListBase in which strips are queried
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* \param timeline_frame: viewed frame
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* \param displayed_channel: viewed channel. when set to 0, no channel filter is applied
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* \return set of strips
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*/
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blender::VectorSet<Sequence *> SEQ_query_rendered_strips(const Scene *scene,
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ListBase *channels,
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ListBase *seqbase,
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int timeline_frame,
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int displayed_channel);
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