44907db895
https://github.com/xonotic/netradiant/pull/1 https://gitlab.com/xonotic/netradiant/-/issues/5 This pull request adds support for Khronos Textures to NetRadiant and Q3Map2, with OpenGL ES 2.0 formats, Ericsson Texture Compression version 1, and BGR/BGRA. The patent-free Ericsson Texture Compression format will be used in the next version of Warsow to significantly reduce VRAM usage on mobile GPUs and the integrated GPU of Intel Broadwell.
156 lines
4.4 KiB
C++
156 lines
4.4 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined( INCLUDED_BYTESTREAMUTILS_H )
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#define INCLUDED_BYTESTREAMUTILS_H
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#if defined( __GNUC__ )
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#define _ISOC9X_SOURCE 1
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#define _ISOC99_SOURCE 1
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#define __USE_ISOC9X 1
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#define __USE_ISOC99 1
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#include <stdint.h>
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#endif
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#include <algorithm>
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// if C99 is unavailable, fall back to the types most likely to be the right sizes
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#if !defined( int16_t )
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typedef signed short int16_t;
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#endif
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#if !defined( uint16_t )
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typedef unsigned short uint16_t;
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#endif
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#if !defined( int32_t )
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typedef signed int int32_t;
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#endif
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#if !defined( uint32_t )
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typedef unsigned int uint32_t;
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#endif
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template<typename InputStreamType, typename Type>
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inline void istream_read_little_endian( InputStreamType& istream, Type& value ){
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istream.read( reinterpret_cast<typename InputStreamType::byte_type*>( &value ), sizeof( Type ) );
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#if defined( __BIG_ENDIAN__ )
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std::reverse( reinterpret_cast<typename InputStreamType::byte_type*>( &value ), reinterpret_cast<typename InputStreamType::byte_type*>( &value ) + sizeof( Type ) );
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#endif
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}
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template<typename InputStreamType, typename Type>
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inline void istream_read_big_endian( InputStreamType& istream, Type& value ){
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istream.read( reinterpret_cast<typename InputStreamType::byte_type*>( &value ), sizeof( Type ) );
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#if !defined( __BIG_ENDIAN__ )
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std::reverse( reinterpret_cast<typename InputStreamType::byte_type*>( &value ), reinterpret_cast<typename InputStreamType::byte_type*>( &value ) + sizeof( Type ) );
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#endif
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}
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template<typename InputStreamType>
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inline void istream_read_byte( InputStreamType& istream, typename InputStreamType::byte_type& b ){
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istream.read( &b, 1 );
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}
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template<typename InputStreamType>
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inline int16_t istream_read_int16_le( InputStreamType& istream ){
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int16_t value;
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istream_read_little_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline int16_t istream_read_int16_be( InputStreamType& istream ){
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int16_t value;
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istream_read_big_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline uint16_t istream_read_uint16_le( InputStreamType& istream ){
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uint16_t value;
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istream_read_little_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline uint16_t istream_read_uint16_be( InputStreamType& istream ){
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uint16_t value;
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istream_read_big_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline int32_t istream_read_int32_le( InputStreamType& istream ){
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int32_t value;
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istream_read_little_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline int32_t istream_read_int32_be( InputStreamType& istream ){
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int32_t value;
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istream_read_big_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline uint32_t istream_read_uint32_le( InputStreamType& istream ){
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uint32_t value;
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istream_read_little_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline uint32_t istream_read_uint32_be( InputStreamType& istream ){
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uint32_t value;
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istream_read_big_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline float istream_read_float32_le( InputStreamType& istream ){
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float value;
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istream_read_little_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline float istream_read_float32_be( InputStreamType& istream ){
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float value;
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istream_read_big_endian( istream, value );
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return value;
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}
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template<typename InputStreamType>
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inline typename InputStreamType::byte_type istream_read_byte( InputStreamType& istream ){
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typename InputStreamType::byte_type b;
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istream.read( &b, sizeof( typename InputStreamType::byte_type ) );
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return b;
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}
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#endif
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