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author | Rémi Verschelde <rverschelde@gmail.com> | 2021-05-07 17:00:41 +0200 |
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committer | Rémi Verschelde <rverschelde@gmail.com> | 2021-05-07 17:26:11 +0200 |
commit | 2d133177e979bd68eba1a241cae84a8215087993 (patch) | |
tree | 94fb2234bca62d156054b772802087ede2db01fd /thirdparty/basis_universal/basisu_basis_file.cpp | |
parent | 8976594f4b90edd42a926e483815c829a540d8d2 (diff) |
basis_universal: Update to upstream commit from Apr 16, 2021
BinomialLLC/basis_universal@ba1c3e40f1d434ebaf9a167b44e9b11d2bf0f765.
Diffstat (limited to 'thirdparty/basis_universal/basisu_basis_file.cpp')
-rw-r--r-- | thirdparty/basis_universal/basisu_basis_file.cpp | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/thirdparty/basis_universal/basisu_basis_file.cpp b/thirdparty/basis_universal/basisu_basis_file.cpp deleted file mode 100644 index 3e6b1906b9..0000000000 --- a/thirdparty/basis_universal/basisu_basis_file.cpp +++ /dev/null @@ -1,204 +0,0 @@ -// basisu_basis_file.cpp -// 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. -#include "basisu_basis_file.h" -#include "transcoder/basisu_transcoder.h" - -// The output file version. Keep in sync with BASISD_SUPPORTED_BASIS_VERSION. -#define BASIS_FILE_VERSION (0x13) - -namespace basisu -{ - void basisu_file::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) - { - m_header.m_header_size = sizeof(basist::basis_file_header); - - m_header.m_data_size = m_total_file_size - sizeof(basist::basis_file_header); - - m_header.m_total_slices = (uint32_t)encoder_output.m_slice_desc.size(); - - m_header.m_total_images = 0; - for (uint32_t i = 0; i < encoder_output.m_slice_desc.size(); i++) - m_header.m_total_images = maximum<uint32_t>(m_header.m_total_images, encoder_output.m_slice_desc[i].m_source_file_index + 1); - - m_header.m_format = 0;// basist::block_format::cETC1; - m_header.m_flags = 0; - - if (encoder_output.m_etc1s) - m_header.m_flags = m_header.m_flags | basist::cBASISHeaderFlagETC1S; - - if (y_flipped) - m_header.m_flags = m_header.m_flags | basist::cBASISHeaderFlagYFlipped; - - for (uint32_t i = 0; i < encoder_output.m_slice_desc.size(); i++) - { - if (encoder_output.m_slice_desc[i].m_alpha) - { - m_header.m_flags = m_header.m_flags | basist::cBASISHeaderFlagHasAlphaSlices; - break; - } - } - - m_header.m_tex_type = static_cast<uint8_t>(tex_type); - m_header.m_us_per_frame = clamp<uint32_t>(us_per_frame, 0, basist::cBASISMaxUSPerFrame); - - m_header.m_userdata0 = userdata0; - m_header.m_userdata1 = userdata1; - - m_header.m_total_endpoints = encoder_output.m_num_endpoints; - m_header.m_endpoint_cb_file_ofs = m_endpoint_cb_file_ofs; - m_header.m_endpoint_cb_file_size = (uint32_t)encoder_output.m_endpoint_palette.size(); - - m_header.m_total_selectors = encoder_output.m_num_selectors; - m_header.m_selector_cb_file_ofs = m_selector_cb_file_ofs; - m_header.m_selector_cb_file_size = (uint32_t)encoder_output.m_selector_palette.size(); - - m_header.m_tables_file_ofs = m_tables_file_ofs; - m_header.m_tables_file_size = (uint32_t)encoder_output.m_slice_image_tables.size(); - - m_header.m_slice_desc_file_ofs = m_slice_descs_file_ofs; - } - - bool basisu_file::create_image_descs(const basisu_backend_output &encoder_output) - { - const basisu_backend_slice_desc_vec &slice_descs = encoder_output.m_slice_desc; - - m_images_descs.resize(slice_descs.size()); - - uint64_t cur_slice_file_ofs = m_first_image_file_ofs; - for (uint32_t i = 0; i < slice_descs.size(); i++) - { - clear_obj(m_images_descs[i]); - - m_images_descs[i].m_image_index = slice_descs[i].m_source_file_index; - m_images_descs[i].m_level_index = slice_descs[i].m_mip_index; - - if (slice_descs[i].m_alpha) - m_images_descs[i].m_flags = m_images_descs[i].m_flags | basist::cSliceDescFlagsIsAlphaData; - if (slice_descs[i].m_iframe) - m_images_descs[i].m_flags = m_images_descs[i].m_flags | basist::cSliceDescFlagsFrameIsIFrame; - - m_images_descs[i].m_orig_width = slice_descs[i].m_orig_width; - m_images_descs[i].m_orig_height = slice_descs[i].m_orig_height; - m_images_descs[i].m_num_blocks_x = slice_descs[i].m_num_blocks_x; - m_images_descs[i].m_num_blocks_y = slice_descs[i].m_num_blocks_y; - m_images_descs[i].m_slice_data_crc16 = encoder_output.m_slice_image_crcs[i]; - - if (encoder_output.m_slice_image_data[i].size() > UINT32_MAX) - { - error_printf("basisu_file::create_image_descs: Basis file too large\n"); - return false; - } - - const uint32_t image_size = (uint32_t)encoder_output.m_slice_image_data[i].size(); - - m_images_descs[i].m_file_ofs = (uint32_t)cur_slice_file_ofs; - m_images_descs[i].m_file_size = image_size; - - cur_slice_file_ofs += image_size; - if (cur_slice_file_ofs > UINT32_MAX) - { - error_printf("basisu_file::create_image_descs: Basis file too large\n"); - return false; - } - } - - assert(cur_slice_file_ofs == m_total_file_size); - return true; - } - - void basisu_file::create_comp_data(const basisu_backend_output &encoder_output) - { - const basisu_backend_slice_desc_vec &slice_descs = encoder_output.m_slice_desc; - - append_vector(m_comp_data, reinterpret_cast<const uint8_t *>(&m_header), sizeof(m_header)); - - assert(m_comp_data.size() == m_slice_descs_file_ofs); - append_vector(m_comp_data, reinterpret_cast<const uint8_t*>(&m_images_descs[0]), m_images_descs.size() * sizeof(m_images_descs[0])); - - assert(m_comp_data.size() == m_endpoint_cb_file_ofs); - append_vector(m_comp_data, reinterpret_cast<const uint8_t*>(&encoder_output.m_endpoint_palette[0]), encoder_output.m_endpoint_palette.size()); - - assert(m_comp_data.size() == m_selector_cb_file_ofs); - append_vector(m_comp_data, reinterpret_cast<const uint8_t*>(&encoder_output.m_selector_palette[0]), encoder_output.m_selector_palette.size()); - - assert(m_comp_data.size() == m_tables_file_ofs); - append_vector(m_comp_data, reinterpret_cast<const uint8_t*>(&encoder_output.m_slice_image_tables[0]), encoder_output.m_slice_image_tables.size()); - - assert(m_comp_data.size() == m_first_image_file_ofs); - for (uint32_t i = 0; i < slice_descs.size(); i++) - append_vector(m_comp_data, &encoder_output.m_slice_image_data[i][0], encoder_output.m_slice_image_data[i].size()); - - assert(m_comp_data.size() == m_total_file_size); - } - - void basisu_file::fixup_crcs() - { - basist::basis_file_header *pHeader = reinterpret_cast<basist::basis_file_header *>(&m_comp_data[0]); - - pHeader->m_data_size = m_total_file_size - sizeof(basist::basis_file_header); - pHeader->m_data_crc16 = basist::crc16(&m_comp_data[0] + sizeof(basist::basis_file_header), m_total_file_size - sizeof(basist::basis_file_header), 0); - - pHeader->m_header_crc16 = basist::crc16(&pHeader->m_data_size, sizeof(basist::basis_file_header) - BASISU_OFFSETOF(basist::basis_file_header, m_data_size), 0); - - pHeader->m_sig = basist::basis_file_header::cBASISSigValue; - pHeader->m_ver = BASIS_FILE_VERSION;// basist::basis_file_header::cBASISFirstVersion; - } - - bool basisu_file::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) - { - clear(); - - const basisu_backend_slice_desc_vec &slice_descs = encoder_output.m_slice_desc; - - // The Basis file uses 32-bit fields for lots of stuff, so make sure it's not too large. - uint64_t check_size = (uint64_t)sizeof(basist::basis_file_header) + (uint64_t)sizeof(basist::basis_slice_desc) * slice_descs.size() + - (uint64_t)encoder_output.m_endpoint_palette.size() + (uint64_t)encoder_output.m_selector_palette.size() + (uint64_t)encoder_output.m_slice_image_tables.size(); - if (check_size >= 0xFFFF0000ULL) - { - error_printf("basisu_file::init: File is too large!\n"); - return false; - } - - m_header_file_ofs = 0; - m_slice_descs_file_ofs = sizeof(basist::basis_file_header); - m_endpoint_cb_file_ofs = m_slice_descs_file_ofs + sizeof(basist::basis_slice_desc) * (uint32_t)slice_descs.size(); - m_selector_cb_file_ofs = m_endpoint_cb_file_ofs + (uint32_t)encoder_output.m_endpoint_palette.size(); - m_tables_file_ofs = m_selector_cb_file_ofs + (uint32_t)encoder_output.m_selector_palette.size(); - m_first_image_file_ofs = m_tables_file_ofs + (uint32_t)encoder_output.m_slice_image_tables.size(); - - uint64_t total_file_size = m_first_image_file_ofs; - for (uint32_t i = 0; i < encoder_output.m_slice_image_data.size(); i++) - total_file_size += encoder_output.m_slice_image_data[i].size(); - if (total_file_size >= 0xFFFF0000ULL) - { - error_printf("basisu_file::init: File is too large!\n"); - return false; - } - - m_total_file_size = (uint32_t)total_file_size; - - create_header(encoder_output, tex_type, userdata0, userdata1, y_flipped, us_per_frame); - - if (!create_image_descs(encoder_output)) - return false; - - create_comp_data(encoder_output); - - fixup_crcs(); - - return true; - } - -} // namespace basisu |