/*************************************************************************/ /* pvrtc_compress.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */ /* */ /* 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 "pvrtc_compress.h" #include "editor_settings.h" #include "scene/resources/texture.h" #include "io/resource_saver.h" #include "io/resource_loader.h" #include "os/os.h" #include "os/file_access.h" static void (*_base_image_compress_pvrtc2_func)(Image *)=NULL; static void (*_base_image_compress_pvrtc4_func)(Image *)=NULL; static void _compress_image(Image::CompressMode p_mode,Image *p_image) { String ttpath = EditorSettings::get_singleton()->get("PVRTC/texture_tool"); if (ttpath.strip_edges()=="" || !FileAccess::exists(ttpath)) { switch(p_mode) { case Image::COMPRESS_PVRTC2: if (_base_image_compress_pvrtc2_func) _base_image_compress_pvrtc2_func(p_image); else if (_base_image_compress_pvrtc4_func) _base_image_compress_pvrtc4_func(p_image); break; case Image::COMPRESS_PVRTC4: if (_base_image_compress_pvrtc4_func) _base_image_compress_pvrtc4_func(p_image); break; default: ERR_FAIL(); } return; } String spath = EditorSettings::get_singleton()->get_settings_path(); List args; String src_img = spath+"/"+"_tmp_src_img.png"; String dst_img = spath+"/"+"_tmp_dst_img.pvr"; args.push_back("-i"); args.push_back(src_img); args.push_back("-o"); args.push_back(dst_img); args.push_back("-f"); switch(p_mode) { case Image::COMPRESS_PVRTC2: args.push_back("PVRTC2"); break; case Image::COMPRESS_PVRTC4: args.push_back("PVRTC4"); break; case Image::COMPRESS_ETC: args.push_back("ETC"); break; default: ERR_FAIL(); } if (EditorSettings::get_singleton()->get("PVRTC/fast_conversion").operator bool()) { args.push_back("-pvrtcfast"); } if (p_image->has_mipmaps()) args.push_back("-m"); Ref t = memnew( ImageTexture ); t->create_from_image(*p_image,0); ResourceSaver::save(src_img,t); Error err = OS::get_singleton()->execute(ttpath,args,true); ERR_EXPLAIN(TTR("Could not execute PVRTC tool:")+" "+ttpath); ERR_FAIL_COND(err!=OK); t=ResourceLoader::load(dst_img,"Texture"); ERR_EXPLAIN(TTR("Can't load back converted image using PVRTC tool:")+" "+dst_img); ERR_FAIL_COND(t.is_null()); *p_image=t->get_data(); } static void _compress_pvrtc2(Image *p_image) { _compress_image(Image::COMPRESS_PVRTC2,p_image); } static void _compress_pvrtc4(Image *p_image) { _compress_image(Image::COMPRESS_PVRTC4,p_image); } static void _compress_etc(Image *p_image) { _compress_image(Image::COMPRESS_ETC,p_image); } void _pvrtc_register_compressors() { _base_image_compress_pvrtc2_func=Image::_image_compress_pvrtc2_func; _base_image_compress_pvrtc4_func=Image::_image_compress_pvrtc4_func; Image::_image_compress_pvrtc2_func=_compress_pvrtc2; Image::_image_compress_pvrtc4_func=_compress_pvrtc4; //Image::_image_compress_etc_func=_compress_etc; //use the built in one for ETC }