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73bb3c8530
- Improved compression for triangular meshes (~10%) - Added WebAssembly decoder - Code cleanup + robustness fixes
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Copyright 2016 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "core/direct_bit_decoder.h"
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namespace draco {
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DirectBitDecoder::DirectBitDecoder() : pos_(bits_.end()), num_used_bits_(0) {}
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DirectBitDecoder::~DirectBitDecoder() { Clear(); }
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bool DirectBitDecoder::StartDecoding(DecoderBuffer *source_buffer) {
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Clear();
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uint32_t size_in_bytes;
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if (!source_buffer->Decode(&size_in_bytes))
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return false;
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if (size_in_bytes > source_buffer->remaining_size())
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return false;
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bits_.resize(size_in_bytes / 4);
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if (!source_buffer->Decode(bits_.data(), size_in_bytes))
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return false;
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pos_ = bits_.begin();
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num_used_bits_ = 0;
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return true;
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}
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void DirectBitDecoder::Clear() {
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bits_.clear();
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num_used_bits_ = 0;
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pos_ = bits_.end();
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}
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} // namespace draco
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