103 lines
3.8 KiB
C++
103 lines
3.8 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) 2019 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/impl/compiler_utils.h"
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#include "acl/compression/impl/track_list_context.h"
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#include <rtm/mask4i.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 void normalize_scalarf_track(track& mut_track, const scalarf_range& range)
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{
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using namespace rtm;
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const vector4f one = rtm::vector_set(1.0F);
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const vector4f zero = vector_zero();
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track_vector4f& typed_track = track_cast<track_vector4f>(mut_track);
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const uint32_t num_samples = mut_track.get_num_samples();
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const vector4f range_min = range.get_min();
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const vector4f range_extent = range.get_extent();
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const mask4f is_range_zero_mask = vector_less_than(range_extent, rtm::vector_set(0.000000001F));
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for (uint32_t sample_index = 0; sample_index < num_samples; ++sample_index)
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{
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// normalized value is between [0.0 .. 1.0]
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// value = (normalized value * range extent) + range min
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// normalized value = (value - range min) / range extent
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const vector4f sample = typed_track[sample_index];
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vector4f normalized_sample = vector_div(vector_sub(sample, range_min), range_extent);
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// Clamp because the division might be imprecise
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normalized_sample = vector_min(normalized_sample, one);
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normalized_sample = vector_select(is_range_zero_mask, zero, normalized_sample);
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ACL_ASSERT(vector_all_greater_equal(normalized_sample, zero) && vector_all_less_equal(normalized_sample, one), "Invalid normalized value. 0.0 <= [%f, %f, %f, %f] <= 1.0", (float)vector_get_x(normalized_sample), (float)vector_get_y(normalized_sample), (float)vector_get_z(normalized_sample), (float)vector_get_w(normalized_sample));
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typed_track[sample_index] = normalized_sample;
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}
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}
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inline void normalize_tracks(track_list_context& context)
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{
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ACL_ASSERT(context.is_valid(), "Invalid context");
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for (uint32_t track_index = 0; track_index < context.num_tracks; ++track_index)
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{
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const bool is_track_constant = context.is_constant(track_index);
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if (is_track_constant)
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continue; // Constant tracks don't need to be modified
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const track_range& range = context.range_list[track_index];
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track& mut_track = context.track_list[track_index];
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switch (range.category)
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{
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case track_category8::scalarf:
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normalize_scalarf_track(mut_track, range.range.scalarf);
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break;
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default:
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ACL_ASSERT(false, "Invalid track category");
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break;
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}
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}
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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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