82 lines
2.7 KiB
C++
82 lines
2.7 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) 2020 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 <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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template<typename cached_type>
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struct track_cache_v0
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{
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// Our cached type
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using type = typename cached_type::type;
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// Our cached values
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type cached_samples[8];
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// The index to write the next cache entry when we unpack
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// Effective index value is modulo 8 what is stored here, guaranteed to never wrap
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uint32_t cache_write_index = 0;
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// The index to read the next cache entry when we consume
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// Effective index value is modulo 8 what is stored here, guaranteed to never wrap
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uint32_t cache_read_index = 0;
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// How many we have left to unpack in total
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uint32_t num_left_to_unpack;
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uint32_t padding;
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// Returns the number of cached entries
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uint32_t get_num_cached() const { return cache_write_index - cache_read_index; }
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};
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// Type traits for the track_cache to avoid GCC warning about template argument attributes
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struct track_cache_quatf_trait
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{
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using type = rtm::quatf;
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};
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struct track_cache_vector4f_trait
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{
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using type = rtm::vector4f;
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};
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using track_cache_quatf_v0 = track_cache_v0<track_cache_quatf_trait>;
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using track_cache_vector4f_v0 = track_cache_v0<track_cache_vector4f_trait>;
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}
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}
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ACL_IMPL_FILE_PRAGMA_POP
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