2010-09-10 23:02:10 +02:00
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/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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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*
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* 0 A.D. 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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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "TextureConverter.h"
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#include "lib/regex.h"
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#include "lib/timer.h"
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#include "lib/allocators/shared_ptr.h"
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#include "lib/file/io/io.h"
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#include "lib/tex/tex.h"
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#include "maths/MD5.h"
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#include "ps/CLogger.h"
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#include "ps/CStr.h"
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#include "ps/XML/Xeromyces.h"
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#include "nvtt/nvtt.h"
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/**
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* Output handler to collect NVTT's output into a simplistic buffer.
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* WARNING: Used in the worker thread - must be thread-safe.
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*/
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struct BufferOutputHandler : public nvtt::OutputHandler
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{
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std::vector<u8> buffer;
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virtual void beginImage(int UNUSED(size), int UNUSED(width), int UNUSED(height), int UNUSED(depth), int UNUSED(face), int UNUSED(miplevel))
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{
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}
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virtual bool writeData(const void* data, int size)
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{
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size_t off = buffer.size();
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buffer.resize(off + size);
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memcpy(&buffer[off], data, size);
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return true;
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}
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};
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/**
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* Request for worker thread to process.
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*/
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struct CTextureConverter::ConversionRequest
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{
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VfsPath dest;
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CTexturePtr texture;
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nvtt::InputOptions inputOptions;
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nvtt::CompressionOptions compressionOptions;
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nvtt::OutputOptions outputOptions;
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bool isDXT1a; // see comment in RunThread
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};
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/**
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* Result from worker thread.
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*/
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struct CTextureConverter::ConversionResult
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{
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VfsPath dest;
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CTexturePtr texture;
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BufferOutputHandler output;
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bool ret; // true if the conversion succeeded
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};
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void CTextureConverter::Settings::Hash(MD5& hash)
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{
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hash.Update((const u8*)&format, sizeof(format));
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hash.Update((const u8*)&mipmap, sizeof(mipmap));
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hash.Update((const u8*)&normal, sizeof(normal));
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hash.Update((const u8*)&alpha, sizeof(alpha));
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hash.Update((const u8*)&filter, sizeof(filter));
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hash.Update((const u8*)&kaiserWidth, sizeof(kaiserWidth));
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hash.Update((const u8*)&kaiserAlpha, sizeof(kaiserAlpha));
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hash.Update((const u8*)&kaiserStretch, sizeof(kaiserStretch));
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}
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CTextureConverter::SettingsFile* CTextureConverter::LoadSettings(const VfsPath& path) const
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{
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CXeromyces XeroFile;
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if (XeroFile.Load(m_VFS, path) != PSRETURN_OK)
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return NULL;
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// Define all the elements used in the XML file
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#define EL(x) int el_##x = XeroFile.GetElementID(#x)
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#define AT(x) int at_##x = XeroFile.GetAttributeID(#x)
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EL(textures);
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EL(file);
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AT(pattern);
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AT(format);
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AT(mipmap);
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AT(normal);
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AT(alpha);
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AT(filter);
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AT(kaiserwidth);
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AT(kaiseralpha);
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AT(kaiserstretch);
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#undef AT
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#undef EL
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XMBElement root = XeroFile.GetRoot();
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if (root.GetNodeName() != el_textures)
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{
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2011-03-23 14:36:20 +01:00
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LOGERROR(L"Invalid texture settings file \"%ls\" (unrecognised root element)", path.string().c_str());
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2010-09-10 23:02:10 +02:00
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return NULL;
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}
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std::auto_ptr<SettingsFile> settings(new SettingsFile());
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XERO_ITER_EL(root, child)
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{
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if (child.GetNodeName() == el_file)
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{
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Match p;
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XERO_ITER_ATTR(child, attr)
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{
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if (attr.Name == at_pattern)
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{
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2011-02-17 21:08:20 +01:00
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p.pattern = attr.Value.FromUTF8();
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2010-09-10 23:02:10 +02:00
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}
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else if (attr.Name == at_format)
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{
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CStr v(attr.Value);
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if (v == "dxt1")
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p.settings.format = FMT_DXT1;
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else if (v == "dxt3")
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p.settings.format = FMT_DXT3;
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else if (v == "dxt5")
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p.settings.format = FMT_DXT5;
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else if (v == "rgba")
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p.settings.format = FMT_RGBA;
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else
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LOGERROR(L"Invalid attribute value <file format='%hs'>", v.c_str());
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}
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else if (attr.Name == at_mipmap)
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{
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CStr v(attr.Value);
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if (v == "true")
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p.settings.mipmap = MIP_TRUE;
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else if (v == "false")
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p.settings.mipmap = MIP_FALSE;
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else
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LOGERROR(L"Invalid attribute value <file mipmap='%hs'>", v.c_str());
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}
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else if (attr.Name == at_normal)
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{
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CStr v(attr.Value);
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if (v == "true")
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p.settings.normal = NORMAL_TRUE;
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else if (v == "false")
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p.settings.normal = NORMAL_FALSE;
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else
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LOGERROR(L"Invalid attribute value <file normal='%hs'>", v.c_str());
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}
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else if (attr.Name == at_alpha)
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{
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CStr v(attr.Value);
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if (v == "none")
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p.settings.alpha = ALPHA_NONE;
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else if (v == "player")
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p.settings.alpha = ALPHA_PLAYER;
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else if (v == "transparency")
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p.settings.alpha = ALPHA_TRANSPARENCY;
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else
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LOGERROR(L"Invalid attribute value <file alpha='%hs'>", v.c_str());
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}
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else if (attr.Name == at_filter)
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{
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CStr v(attr.Value);
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if (v == "box")
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p.settings.filter = FILTER_BOX;
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else if (v == "triangle")
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p.settings.filter = FILTER_TRIANGLE;
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else if (v == "kaiser")
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p.settings.filter = FILTER_KAISER;
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else
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LOGERROR(L"Invalid attribute value <file filter='%hs'>", v.c_str());
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}
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else if (attr.Name == at_kaiserwidth)
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{
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p.settings.kaiserWidth = CStr(attr.Value).ToFloat();
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}
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else if (attr.Name == at_kaiseralpha)
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{
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p.settings.kaiserAlpha = CStr(attr.Value).ToFloat();
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}
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else if (attr.Name == at_kaiserstretch)
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{
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p.settings.kaiserStretch = CStr(attr.Value).ToFloat();
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}
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else
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{
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LOGERROR(L"Invalid attribute name <file %hs='...'>", XeroFile.GetAttributeString(attr.Name).c_str());
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}
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}
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settings->patterns.push_back(p);
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}
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}
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return settings.release();
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}
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CTextureConverter::Settings CTextureConverter::ComputeSettings(const std::wstring& filename, const std::vector<SettingsFile*>& settingsFiles) const
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{
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// Set sensible defaults
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Settings settings;
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settings.format = FMT_DXT1;
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settings.mipmap = MIP_TRUE;
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settings.normal = NORMAL_FALSE;
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settings.alpha = ALPHA_NONE;
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settings.filter = FILTER_BOX;
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settings.kaiserWidth = 3.f;
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settings.kaiserAlpha = 4.f;
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settings.kaiserStretch = 1.f;
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for (size_t i = 0; i < settingsFiles.size(); ++i)
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{
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for (size_t j = 0; j < settingsFiles[i]->patterns.size(); ++j)
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{
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Match p = settingsFiles[i]->patterns[j];
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// Check that the pattern matches the texture file
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if (!match_wildcard(filename.c_str(), p.pattern.c_str()))
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continue;
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if (p.settings.format != FMT_UNSPECIFIED)
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settings.format = p.settings.format;
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if (p.settings.mipmap != MIP_UNSPECIFIED)
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settings.mipmap = p.settings.mipmap;
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if (p.settings.normal != NORMAL_UNSPECIFIED)
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settings.normal = p.settings.normal;
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if (p.settings.alpha != ALPHA_UNSPECIFIED)
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settings.alpha = p.settings.alpha;
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if (p.settings.filter != FILTER_UNSPECIFIED)
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settings.filter = p.settings.filter;
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if (p.settings.kaiserWidth != -1.f)
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settings.kaiserWidth = p.settings.kaiserWidth;
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if (p.settings.kaiserAlpha != -1.f)
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settings.kaiserAlpha = p.settings.kaiserAlpha;
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if (p.settings.kaiserStretch != -1.f)
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settings.kaiserStretch = p.settings.kaiserStretch;
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}
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}
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return settings;
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}
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2010-09-20 18:34:09 +02:00
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CTextureConverter::CTextureConverter(PIVFS vfs, bool highQuality) :
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m_VFS(vfs), m_HighQuality(highQuality), m_Shutdown(false)
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2010-09-10 23:02:10 +02:00
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{
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// Verify that we are running with at least the version we were compiled with,
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// to avoid bugs caused by ABI changes
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debug_assert(nvtt::version() >= NVTT_VERSION);
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2010-09-12 22:59:18 +02:00
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// Set up the worker thread:
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int ret;
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// Use SDL semaphores since OS X doesn't implement sem_init
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m_WorkerSem = SDL_CreateSemaphore(0);
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debug_assert(m_WorkerSem);
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ret = pthread_mutex_init(&m_WorkerMutex, NULL);
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debug_assert(ret == 0);
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ret = pthread_create(&m_WorkerThread, NULL, &RunThread, this);
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debug_assert(ret == 0);
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2010-09-10 23:02:10 +02:00
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// Maybe we should share some centralised pool of worker threads?
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// For now we'll just stick with a single thread for this specific use.
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}
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CTextureConverter::~CTextureConverter()
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{
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// Tell the thread to shut down
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pthread_mutex_lock(&m_WorkerMutex);
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m_Shutdown = true;
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pthread_mutex_unlock(&m_WorkerMutex);
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// Wake it up so it sees the notification
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2010-09-12 22:59:18 +02:00
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SDL_SemPost(m_WorkerSem);
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2010-09-10 23:02:10 +02:00
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// Wait for it to shut down cleanly
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pthread_join(m_WorkerThread, NULL);
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2010-09-12 22:59:18 +02:00
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// Clean up resources
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SDL_DestroySemaphore(m_WorkerSem);
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pthread_mutex_destroy(&m_WorkerMutex);
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2010-09-10 23:02:10 +02:00
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}
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bool CTextureConverter::ConvertTexture(const CTexturePtr& texture, const VfsPath& src, const VfsPath& dest, const Settings& settings)
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{
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shared_ptr<u8> file;
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size_t fileSize;
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if (m_VFS->LoadFile(src, file, fileSize) < 0)
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{
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2011-03-23 14:36:20 +01:00
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LOGERROR(L"Failed to load texture \"%ls\"", src.string().c_str());
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2010-09-10 23:02:10 +02:00
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return false;
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}
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Tex tex;
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if (tex_decode(file, fileSize, &tex) < 0)
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{
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2011-03-23 14:36:20 +01:00
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LOGERROR(L"Failed to decode texture \"%ls\"", src.string().c_str());
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2010-09-10 23:02:10 +02:00
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return false;
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}
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// Check whether there's any alpha channel
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bool hasAlpha = ((tex.flags & TEX_ALPHA) != 0);
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// Convert to uncompressed BGRA with no mipmaps
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if (tex_transform_to(&tex, (tex.flags | TEX_BGR | TEX_ALPHA) & ~(TEX_DXT | TEX_MIPMAPS)) < 0)
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{
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2011-03-23 14:36:20 +01:00
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LOGERROR(L"Failed to transform texture \"%ls\"", src.string().c_str());
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2010-09-10 23:02:10 +02:00
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tex_free(&tex);
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return false;
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}
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// Check if the texture has all alpha=255, so we can automatically
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// switch from DXT3/DXT5 to DXT1 with no loss
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if (hasAlpha)
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{
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hasAlpha = false;
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u8* data = tex_get_data(&tex);
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for (size_t i = 0; i < tex.w * tex.h; ++i)
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{
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if (data[i*4+3] != 0xFF)
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{
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hasAlpha = true;
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break;
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}
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}
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}
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shared_ptr<ConversionRequest> request(new ConversionRequest);
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request->dest = dest;
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request->texture = texture;
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// Apply the chosen settings:
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request->inputOptions.setMipmapGeneration(settings.mipmap == MIP_TRUE);
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|
|
|
|
|
|
|
if (settings.alpha == ALPHA_TRANSPARENCY)
|
|
|
|
request->inputOptions.setAlphaMode(nvtt::AlphaMode_Transparency);
|
|
|
|
else
|
|
|
|
request->inputOptions.setAlphaMode(nvtt::AlphaMode_None);
|
|
|
|
|
|
|
|
request->isDXT1a = false;
|
|
|
|
|
|
|
|
if (settings.format == FMT_RGBA)
|
|
|
|
{
|
|
|
|
request->compressionOptions.setFormat(nvtt::Format_RGBA);
|
|
|
|
// Change the default component order (see tex_dds.cpp decode_pf)
|
|
|
|
request->compressionOptions.setPixelFormat(32, 0xFF, 0xFF00, 0xFF0000, 0xFF000000u);
|
|
|
|
}
|
|
|
|
else if (!hasAlpha)
|
|
|
|
{
|
|
|
|
// if no alpha channel then there's no point using DXT3 or DXT5
|
|
|
|
request->compressionOptions.setFormat(nvtt::Format_DXT1);
|
|
|
|
}
|
|
|
|
else if (settings.format == FMT_DXT1)
|
|
|
|
{
|
|
|
|
request->compressionOptions.setFormat(nvtt::Format_DXT1a);
|
|
|
|
request->isDXT1a = true;
|
|
|
|
}
|
|
|
|
else if (settings.format == FMT_DXT3)
|
|
|
|
{
|
|
|
|
request->compressionOptions.setFormat(nvtt::Format_DXT3);
|
|
|
|
}
|
|
|
|
else if (settings.format == FMT_DXT5)
|
|
|
|
{
|
|
|
|
request->compressionOptions.setFormat(nvtt::Format_DXT5);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (settings.filter == FILTER_BOX)
|
|
|
|
request->inputOptions.setMipmapFilter(nvtt::MipmapFilter_Box);
|
|
|
|
else if (settings.filter == FILTER_TRIANGLE)
|
|
|
|
request->inputOptions.setMipmapFilter(nvtt::MipmapFilter_Triangle);
|
|
|
|
else if (settings.filter == FILTER_KAISER)
|
|
|
|
request->inputOptions.setMipmapFilter(nvtt::MipmapFilter_Kaiser);
|
|
|
|
|
|
|
|
if (settings.normal == NORMAL_TRUE)
|
|
|
|
request->inputOptions.setNormalMap(true);
|
|
|
|
|
|
|
|
request->inputOptions.setKaiserParameters(settings.kaiserWidth, settings.kaiserAlpha, settings.kaiserStretch);
|
|
|
|
|
|
|
|
request->inputOptions.setWrapMode(nvtt::WrapMode_Mirror); // TODO: should this be configurable?
|
|
|
|
|
2010-09-20 18:34:09 +02:00
|
|
|
request->compressionOptions.setQuality(m_HighQuality ? nvtt::Quality_Production : nvtt::Quality_Fastest);
|
2010-09-10 23:02:10 +02:00
|
|
|
|
|
|
|
// TODO: normal maps, gamma, etc
|
|
|
|
|
|
|
|
// Load the texture data
|
|
|
|
request->inputOptions.setTextureLayout(nvtt::TextureType_2D, tex.w, tex.h);
|
|
|
|
request->inputOptions.setMipmapData(tex_get_data(&tex), tex.w, tex.h);
|
|
|
|
|
|
|
|
// NVTT copies the texture data so we can free it now
|
|
|
|
tex_free(&tex);
|
|
|
|
|
|
|
|
pthread_mutex_lock(&m_WorkerMutex);
|
|
|
|
m_RequestQueue.push_back(request);
|
|
|
|
pthread_mutex_unlock(&m_WorkerMutex);
|
|
|
|
|
|
|
|
// Wake up the worker thread
|
2010-09-12 22:59:18 +02:00
|
|
|
SDL_SemPost(m_WorkerSem);
|
2010-09-10 23:02:10 +02:00
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool CTextureConverter::Poll(CTexturePtr& texture, VfsPath& dest, bool& ok)
|
|
|
|
{
|
|
|
|
shared_ptr<ConversionResult> result;
|
|
|
|
|
|
|
|
// Grab the first result (if any)
|
|
|
|
pthread_mutex_lock(&m_WorkerMutex);
|
|
|
|
if (!m_ResultQueue.empty())
|
|
|
|
{
|
|
|
|
result = m_ResultQueue.front();
|
|
|
|
m_ResultQueue.pop_front();
|
|
|
|
}
|
|
|
|
pthread_mutex_unlock(&m_WorkerMutex);
|
|
|
|
|
|
|
|
if (!result)
|
|
|
|
{
|
|
|
|
// no work to do
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!result->ret)
|
|
|
|
{
|
|
|
|
// conversion had failed
|
|
|
|
ok = false;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Move output into a correctly-aligned buffer
|
|
|
|
size_t size = result->output.buffer.size();
|
|
|
|
shared_ptr<u8> file = io_Allocate(size);
|
|
|
|
memcpy(file.get(), &result->output.buffer[0], size);
|
|
|
|
if (m_VFS->CreateFile(result->dest, file, size) < 0)
|
|
|
|
{
|
|
|
|
// error writing file
|
|
|
|
ok = false;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Succeeded in converting texture
|
|
|
|
texture = result->texture;
|
|
|
|
dest = result->dest;
|
|
|
|
ok = true;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool CTextureConverter::IsBusy()
|
|
|
|
{
|
|
|
|
pthread_mutex_lock(&m_WorkerMutex);
|
|
|
|
bool busy = !m_RequestQueue.empty();
|
|
|
|
pthread_mutex_unlock(&m_WorkerMutex);
|
|
|
|
|
|
|
|
return busy;
|
|
|
|
}
|
|
|
|
|
|
|
|
void* CTextureConverter::RunThread(void* data)
|
|
|
|
{
|
2010-09-18 20:56:06 +02:00
|
|
|
debug_SetThreadName("TextureConverter");
|
|
|
|
|
2010-09-10 23:02:10 +02:00
|
|
|
CTextureConverter* textureConverter = static_cast<CTextureConverter*>(data);
|
|
|
|
|
|
|
|
// Wait until the main thread wakes us up
|
2010-09-12 22:59:18 +02:00
|
|
|
while (SDL_SemWait(textureConverter->m_WorkerSem) == 0)
|
2010-09-10 23:02:10 +02:00
|
|
|
{
|
|
|
|
pthread_mutex_lock(&textureConverter->m_WorkerMutex);
|
|
|
|
if (textureConverter->m_Shutdown)
|
|
|
|
{
|
|
|
|
pthread_mutex_unlock(&textureConverter->m_WorkerMutex);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
// If we weren't woken up for shutdown, we must have been woken up for
|
|
|
|
// a new request, so grab it from the queue
|
|
|
|
shared_ptr<ConversionRequest> request = textureConverter->m_RequestQueue.front();
|
|
|
|
textureConverter->m_RequestQueue.pop_front();
|
|
|
|
pthread_mutex_unlock(&textureConverter->m_WorkerMutex);
|
|
|
|
|
|
|
|
// Set up the result object
|
|
|
|
shared_ptr<ConversionResult> result(new ConversionResult());
|
|
|
|
result->dest = request->dest;
|
|
|
|
result->texture = request->texture;
|
|
|
|
|
|
|
|
request->outputOptions.setOutputHandler(&result->output);
|
|
|
|
|
|
|
|
// TIMER(L"TextureConverter compress");
|
|
|
|
|
|
|
|
// Perform the compression
|
|
|
|
nvtt::Compressor compressor;
|
|
|
|
result->ret = compressor.process(request->inputOptions, request->compressionOptions, request->outputOptions);
|
|
|
|
|
|
|
|
// Ugly hack: NVTT 2.0 doesn't set DDPF_ALPHAPIXELS for DXT1a, so we can't
|
|
|
|
// distinguish it from DXT1. (It's fixed in trunk by
|
|
|
|
// http://code.google.com/p/nvidia-texture-tools/source/detail?r=924&path=/trunk).
|
|
|
|
// Rather than using a trunk NVTT (unstable, makes packaging harder)
|
|
|
|
// or patching our copy (makes packaging harder), we'll just manually
|
|
|
|
// set the flag here.
|
|
|
|
if (request->isDXT1a && result->ret && result->output.buffer.size() > 80)
|
|
|
|
result->output.buffer[80] |= 1; // DDPF_ALPHAPIXELS in DDS_PIXELFORMAT.dwFlags
|
|
|
|
|
|
|
|
// Push the result onto the queue
|
|
|
|
pthread_mutex_lock(&textureConverter->m_WorkerMutex);
|
|
|
|
textureConverter->m_ResultQueue.push_back(result);
|
|
|
|
pthread_mutex_unlock(&textureConverter->m_WorkerMutex);
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|