112 lines
4.7 KiB
C++
112 lines
4.7 KiB
C++
#pragma once
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////////////////////////////////////////////////////////////////////////////////
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// The MIT License (MIT)
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//
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// Copyright (c) 2017 Nicholas Frechette & Animation Compression Library contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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////////////////////////////////////////////////////////////////////////////////
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#include "acl/core/iallocator.h"
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#include "acl/core/impl/compiler_utils.h"
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#include "acl/core/error.h"
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#include "acl/core/track_formats.h"
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#include "acl/compression/impl/clip_context.h"
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#include <rtm/quatf.h>
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#include <rtm/vector4f.h>
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#include <cstdint>
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ACL_IMPL_FILE_PRAGMA_PUSH
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namespace acl
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{
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namespace acl_impl
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{
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inline rtm::vector4f RTM_SIMD_CALL convert_rotation(rtm::vector4f_arg0 rotation, rotation_format8 from, rotation_format8 to)
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{
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ACL_ASSERT(from == rotation_format8::quatf_full, "Source rotation format must be a full precision quaternion");
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(void)from;
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const rotation_format8 high_precision_format = get_rotation_variant(to) == rotation_variant8::quat ? rotation_format8::quatf_full : rotation_format8::quatf_drop_w_full;
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switch (high_precision_format)
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{
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case rotation_format8::quatf_full:
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// Original format, nothing to do
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return rotation;
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case rotation_format8::quatf_drop_w_full:
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// Drop W, we just ensure it is positive and write it back, the W component can be ignored afterwards
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return rtm::quat_to_vector(rtm::quat_ensure_positive_w(rtm::vector_to_quat(rotation)));
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default:
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ACL_ASSERT(false, "Invalid or unsupported rotation format: %s", get_rotation_format_name(to));
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return rotation;
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}
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}
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inline void convert_rotation_streams(iallocator& allocator, SegmentContext& segment, rotation_format8 rotation_format)
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{
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const rotation_format8 high_precision_format = get_rotation_variant(rotation_format) == rotation_variant8::quat ? rotation_format8::quatf_full : rotation_format8::quatf_drop_w_full;
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for (BoneStreams& bone_stream : segment.bone_iterator())
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{
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// We convert our rotation stream in place. We assume that the original format is quatf_full stored as rtm::quatf
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// For all other formats, we keep the same sample size and either keep Quat_32 or use rtm::vector4f
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ACL_ASSERT(bone_stream.rotations.get_sample_size() == sizeof(rtm::quatf), "Unexpected rotation sample size. %u != %zu", bone_stream.rotations.get_sample_size(), sizeof(rtm::quatf));
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const uint32_t num_samples = bone_stream.rotations.get_num_samples();
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const float sample_rate = bone_stream.rotations.get_sample_rate();
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RotationTrackStream converted_stream(allocator, num_samples, sizeof(rtm::quatf), sample_rate, high_precision_format);
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for (uint32_t sample_index = 0; sample_index < num_samples; ++sample_index)
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{
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rtm::quatf rotation = bone_stream.rotations.get_raw_sample<rtm::quatf>(sample_index);
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switch (high_precision_format)
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{
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case rotation_format8::quatf_full:
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// Original format, nothing to do
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break;
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case rotation_format8::quatf_drop_w_full:
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// Drop W, we just ensure it is positive and write it back, the W component can be ignored afterwards
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rotation = rtm::quat_ensure_positive_w(rotation);
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break;
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default:
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ACL_ASSERT(false, "Invalid or unsupported rotation format: %s", get_rotation_format_name(high_precision_format));
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break;
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}
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converted_stream.set_raw_sample(sample_index, rotation);
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}
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bone_stream.rotations = std::move(converted_stream);
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}
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}
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inline void convert_rotation_streams(iallocator& allocator, clip_context& context, rotation_format8 rotation_format)
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{
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for (SegmentContext& segment : context.segment_iterator())
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convert_rotation_streams(allocator, segment, rotation_format);
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}
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}
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}
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ACL_IMPL_FILE_PRAGMA_POP
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