dc063d8a80
If a strip mask was used several times in the same frame, and it needed to do byte->float conversion (e.g. mask is produced by a byte-color strip, but then used in both a byte-color strip, and later on in a float-color strip), then that byte->float mask image conversion was introducing two inconsistencies: - It was making mask alpha channel affect the result, which was not happening with regular byte mask images, and - It was converting float mask to scene linear space, which was resulting in different image than with a byte mask. Fix those issues by ensuring that all VSE modifiers can take either byte or float mask as-is, without extra conversions. Previously, some of the modifiers were done in a way where they only handled "(byte image + byte mask) or (float image + float mask)" cases. Pull Request: https://projects.blender.org/blender/blender/pulls/131355
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/* SPDX-FileCopyrightText: 2024 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_math_vector_types.hh"
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#include "BLI_vector.hh"
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struct ImBuf;
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struct LinkNode;
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struct ListBase;
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struct Scene;
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struct SeqEffectHandle;
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struct SeqRenderData;
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struct Sequence;
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/* mutable state for sequencer */
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struct SeqRenderState {
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LinkNode *scene_parents = nullptr;
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};
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/* Strip corner coordinates in screen pixel space. Note that they might not be
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* axis aligned when rotation is present. */
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struct StripScreenQuad {
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blender::float2 v0, v1, v2, v3;
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bool is_empty() const
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{
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return v0 == v1 && v2 == v3 && v0 == v2;
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}
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};
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ImBuf *seq_render_give_ibuf_seqbase(const SeqRenderData *context,
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float timeline_frame,
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int chan_shown,
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ListBase *channels,
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ListBase *seqbasep);
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ImBuf *seq_render_effect_execute_threaded(SeqEffectHandle *sh,
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const SeqRenderData *context,
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Sequence *seq,
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float timeline_frame,
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float fac,
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ImBuf *ibuf1,
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ImBuf *ibuf2);
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void seq_imbuf_to_sequencer_space(const Scene *scene, ImBuf *ibuf, bool make_float);
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blender::Vector<Sequence *> seq_get_shown_sequences(
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const Scene *scene, ListBase *channels, ListBase *seqbase, int timeline_frame, int chanshown);
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ImBuf *seq_render_strip(const SeqRenderData *context,
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SeqRenderState *state,
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Sequence *seq,
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float timeline_frame);
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/* Renders Mask into an image suitable for sequencer:
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* RGB channels contain mask intensity; alpha channel is opaque. */
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ImBuf *seq_render_mask(const SeqRenderData *context,
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Mask *mask,
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float frame_index,
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bool make_float);
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void seq_imbuf_assign_spaces(const Scene *scene, ImBuf *ibuf);
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StripScreenQuad get_strip_screen_quad(const SeqRenderData *context, const Sequence *seq);
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