// basisu_basis_file.h // Copyright (C) 2019 Binomial LLC. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #pragma once #include "../transcoder/basisu_file_headers.h" #include "basisu_backend.h" namespace basisu { class basisu_file { BASISU_NO_EQUALS_OR_COPY_CONSTRUCT(basisu_file); public: basisu_file() { } void clear() { m_comp_data.clear(); clear_obj(m_header); m_images_descs.clear(); m_header_file_ofs = 0; m_slice_descs_file_ofs = 0; m_endpoint_cb_file_ofs = 0; m_selector_cb_file_ofs = 0; m_tables_file_ofs = 0; m_first_image_file_ofs = 0; m_total_file_size = 0; } bool init(const basisu_backend_output& encoder_output, basist::basis_texture_type tex_type, uint32_t userdata0, uint32_t userdata1, bool y_flipped, uint32_t us_per_frame); const uint8_vec &get_compressed_data() const { return m_comp_data; } private: basist::basis_file_header m_header; basisu::vector<basist::basis_slice_desc> m_images_descs; uint8_vec m_comp_data; uint32_t m_header_file_ofs; uint32_t m_slice_descs_file_ofs; uint32_t m_endpoint_cb_file_ofs; uint32_t m_selector_cb_file_ofs; uint32_t m_tables_file_ofs; uint32_t m_first_image_file_ofs; uint32_t m_total_file_size; void create_header(const basisu_backend_output& encoder_output, basist::basis_texture_type tex_type, uint32_t userdata0, uint32_t userdata1, bool y_flipped, uint32_t us_per_frame); bool create_image_descs(const basisu_backend_output& encoder_output); void create_comp_data(const basisu_backend_output& encoder_output); void fixup_crcs(); }; } // namespace basisu