cocos-engine-external/sources/acl/compression/impl/constant_track_impl.h

79 lines
2.8 KiB
C++

#pragma once
////////////////////////////////////////////////////////////////////////////////
// The MIT License (MIT)
//
// Copyright (c) 2019 Nicholas Frechette & Animation Compression Library contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
////////////////////////////////////////////////////////////////////////////////
#include "acl/core/bitset.h"
#include "acl/core/impl/compiler_utils.h"
#include "acl/core/iallocator.h"
#include "acl/core/track_desc.h"
#include "acl/compression/impl/track_list_context.h"
#include <cstdint>
ACL_IMPL_FILE_PRAGMA_PUSH
namespace acl
{
namespace acl_impl
{
inline bool is_scalarf_track_constant(const track& track_, const track_range& range)
{
const track_desc_scalarf& desc = track_.get_description<track_desc_scalarf>();
return range.is_constant(desc.precision);
}
inline void extract_constant_tracks(track_list_context& context)
{
ACL_ASSERT(context.is_valid(), "Invalid context");
const bitset_description bitset_desc = bitset_description::make_from_num_bits(context.num_tracks);
context.constant_tracks_bitset = allocate_type_array<uint32_t>(*context.allocator, bitset_desc.get_size());
bitset_reset(context.constant_tracks_bitset, bitset_desc, false);
for (uint32_t track_index = 0; track_index < context.num_tracks; ++track_index)
{
const track& mut_track = context.track_list[track_index];
const track_range& range = context.range_list[track_index];
bool is_constant = false;
switch (range.category)
{
case track_category8::scalarf:
is_constant = is_scalarf_track_constant(mut_track, range);
break;
default:
ACL_ASSERT(false, "Invalid track category");
break;
}
bitset_set(context.constant_tracks_bitset, bitset_desc, track_index, is_constant);
}
}
}
}
ACL_IMPL_FILE_PRAGMA_POP