forked from dolphin-emu/dolphin
317 lines
8.6 KiB
C++
317 lines
8.6 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <cinttypes>
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#include <cstring>
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#include <string>
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#include <utility>
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#include <xxhash.h>
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#include <SOIL/SOIL.h>
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#include "Common/CommonPaths.h"
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#include "Common/FileSearch.h"
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#include "Common/FileUtil.h"
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#include "Common/StringUtil.h"
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#include "Core/ConfigManager.h"
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#include "VideoCommon/HiresTextures.h"
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#include "VideoCommon/OnScreenDisplay.h"
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#include "VideoCommon/VideoConfig.h"
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static std::unordered_map<std::string, std::string> s_textureMap;
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static bool s_check_native_format;
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static bool s_check_new_format;
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static const std::string s_format_prefix = "tex1_";
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void HiresTexture::Init(const std::string& gameCode)
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{
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s_textureMap.clear();
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s_check_native_format = false;
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s_check_new_format = false;
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CFileSearch::XStringVector Directories;
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std::string szDir = StringFromFormat("%s%s", File::GetUserPath(D_HIRESTEXTURES_IDX).c_str(), gameCode.c_str());
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Directories.push_back(szDir);
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for (u32 i = 0; i < Directories.size(); i++)
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{
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File::FSTEntry FST_Temp;
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File::ScanDirectoryTree(Directories[i], FST_Temp);
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for (auto& entry : FST_Temp.children)
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{
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if (entry.isDirectory)
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{
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bool duplicate = false;
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for (auto& Directory : Directories)
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{
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if (Directory == entry.physicalName)
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{
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duplicate = true;
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break;
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}
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}
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if (!duplicate)
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Directories.push_back(entry.physicalName);
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}
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}
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}
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CFileSearch::XStringVector Extensions = {
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"*.png",
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"*.bmp",
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"*.tga",
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"*.dds",
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"*.jpg" // Why not? Could be useful for large photo-like textures
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};
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CFileSearch FileSearch(Extensions, Directories);
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const CFileSearch::XStringVector& rFilenames = FileSearch.GetFileNames();
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const std::string code = StringFromFormat("%s_", gameCode.c_str());
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const std::string code2 = "";
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for (auto& rFilename : rFilenames)
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{
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std::string FileName;
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SplitPath(rFilename, nullptr, &FileName, nullptr);
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if (FileName.substr(0, code.length()) == code)
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{
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s_textureMap[FileName] = rFilename;
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s_check_native_format = true;
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}
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if (FileName.substr(0, s_format_prefix.length()) == s_format_prefix)
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{
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s_textureMap[FileName] = rFilename;
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s_check_new_format = true;
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}
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}
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}
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std::string HiresTexture::GenBaseName(const u8* texture, size_t texture_size, const u8* tlut, size_t tlut_size, u32 width, u32 height, int format, bool has_mipmaps, bool dump)
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{
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std::string name = "";
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bool convert = false;
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if (!dump && s_check_native_format)
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{
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// try to load the old format first
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u64 tex_hash = GetHashHiresTexture(texture, (int)texture_size, g_ActiveConfig.iSafeTextureCache_ColorSamples);
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u64 tlut_hash = tlut_size ? GetHashHiresTexture(tlut, (int)tlut_size, g_ActiveConfig.iSafeTextureCache_ColorSamples) : 0;
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name = StringFromFormat("%s_%08x_%i", SConfig::GetInstance().m_LocalCoreStartupParameter.m_strUniqueID.c_str(), (u32)(tex_hash ^ tlut_hash), (u16)format);
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if (s_textureMap.find(name) != s_textureMap.end())
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{
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if (g_ActiveConfig.bConvertHiresTextures)
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convert = true;
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else
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return name;
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}
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}
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if (dump || s_check_new_format || convert)
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{
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// checking for min/max on paletted textures
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u32 min = 0xffff;
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u32 max = 0;
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switch(tlut_size)
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{
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case 0: break;
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case 16 * 2:
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for (size_t i = 0; i < texture_size; i++)
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{
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min = std::min<u32>(min, texture[i] & 0xf);
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min = std::min<u32>(min, texture[i] >> 4);
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max = std::max<u32>(max, texture[i] & 0xf);
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max = std::max<u32>(max, texture[i] >> 4);
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}
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break;
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case 256 * 2:
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for (size_t i = 0; i < texture_size; i++)
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{
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min = std::min<u32>(min, texture[i]);
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max = std::max<u32>(max, texture[i]);
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}
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break;
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case 16384 * 2:
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for (size_t i = 0; i < texture_size/2; i++)
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{
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min = std::min<u32>(min, Common::swap16(((u16*)texture)[i]) & 0x3fff);
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max = std::max<u32>(max, Common::swap16(((u16*)texture)[i]) & 0x3fff);
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}
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break;
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}
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if (tlut_size > 0)
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{
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tlut_size = 2 * (max + 1 - min);
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tlut += 2 * min;
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}
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u64 tex_hash = XXH64(texture, texture_size, 0);
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u64 tlut_hash = tlut_size ? XXH64(tlut, tlut_size, 0) : 0;
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std::string basename = s_format_prefix + StringFromFormat("%dx%d%s_%016" PRIx64, width, height, has_mipmaps ? "_m" : "", tex_hash);
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std::string tlutname = tlut_size ? StringFromFormat("_%016" PRIx64, tlut_hash) : "";
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std::string formatname = StringFromFormat("_%d", format);
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std::string fullname = basename + tlutname + formatname;
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for (int level = 0; level < 10 && convert; level++)
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{
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std::string oldname = name;
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if (level)
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oldname += StringFromFormat("_mip%d", level);
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// skip not existing levels
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if (s_textureMap.find(oldname) == s_textureMap.end())
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continue;
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for (int i = 0;; i++)
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{
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// for hash collisions, padd with an integer
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std::string newname = fullname;
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if (level)
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newname += StringFromFormat("_mip%d", level);
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if (i)
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newname += StringFromFormat(".%d", i);
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// new texture
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if (s_textureMap.find(newname) == s_textureMap.end())
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{
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std::string src = s_textureMap[oldname];
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size_t postfix = src.find_last_of('.');
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std::string dst = src.substr(0, postfix - oldname.length()) + newname + src.substr(postfix, src.length() - postfix);
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if (File::Rename(src, dst))
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{
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s_textureMap.erase(oldname);
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s_textureMap[newname] = dst;
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s_check_new_format = true;
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OSD::AddMessage(StringFromFormat("Rename custom texture %s to %s", oldname.c_str(), newname.c_str()), 5000);
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}
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else
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{
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ERROR_LOG(VIDEO, "rename failed");
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}
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break;
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}
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else
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{
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// dst fail already exist, compare content
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std::string a, b;
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File::ReadFileToString(s_textureMap[oldname], a);
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File::ReadFileToString(s_textureMap[newname], b);
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if (a == b && a != "")
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{
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// equal, so remove
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if (File::Delete(s_textureMap[oldname]))
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{
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s_textureMap.erase(oldname);
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OSD::AddMessage(StringFromFormat("Delete double old custom texture %s", oldname.c_str()), 5000);
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}
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else
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{
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ERROR_LOG(VIDEO, "delete failed");
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}
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break;
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}
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// else continue in this loop with the next higher padding variable
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}
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}
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}
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// try to match a wildcard template
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if (!dump && s_textureMap.find(basename + "_*" + formatname) != s_textureMap.end())
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return basename + "_*" + formatname;
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// else generate the complete texture
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if (dump || s_textureMap.find(fullname) != s_textureMap.end())
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return fullname;
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}
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return name;
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}
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HiresTexture* HiresTexture::Search(const u8* texture, size_t texture_size, const u8* tlut, size_t tlut_size, u32 width, u32 height, int format, bool has_mipmaps)
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{
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std::string base_filename = GenBaseName(texture, texture_size, tlut, tlut_size, width, height, format, has_mipmaps);
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HiresTexture* ret = nullptr;
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for (int level = 0;; level++)
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{
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std::string filename = base_filename;
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if (level)
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{
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filename += StringFromFormat("_mip%u", level);
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}
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if (s_textureMap.find(filename) != s_textureMap.end())
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{
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Level l;
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File::IOFile file;
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file.Open(s_textureMap[filename], "rb");
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std::vector<u8> buffer(file.GetSize());
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file.ReadBytes(buffer.data(), file.GetSize());
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int channels;
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l.data = SOIL_load_image_from_memory(buffer.data(), (int)buffer.size(), (int*)&l.width, (int*)&l.height, &channels, SOIL_LOAD_RGBA);
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l.data_size = (size_t)l.width * l.height * 4;
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if (l.data == nullptr)
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{
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ERROR_LOG(VIDEO, "Custom texture %s failed to load", filename.c_str());
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break;
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}
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if (!level)
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{
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if (l.width * height != l.height * width)
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ERROR_LOG(VIDEO, "Invalid custom texture size %dx%d for texture %s. The aspect differs from the native size %dx%d.",
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l.width, l.height, filename.c_str(), width, height);
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if (l.width % width || l.height % height)
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WARN_LOG(VIDEO, "Invalid custom texture size %dx%d for texture %s. Please use an integer upscaling factor based on the native size %dx%d.",
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l.width, l.height, filename.c_str(), width, height);
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width = l.width;
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height = l.height;
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}
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else if (width != l.width || height != l.height)
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{
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ERROR_LOG(VIDEO, "Invalid custom texture size %dx%d for texture %s. This mipmap layer _must_ be %dx%d.",
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l.width, l.height, filename.c_str(), width, height);
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SOIL_free_image_data(l.data);
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break;
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}
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// calculate the size of the next mipmap
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width >>= 1;
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height >>= 1;
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if (!ret)
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ret = new HiresTexture();
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ret->m_levels.push_back(l);
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}
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else
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{
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break;
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}
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}
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return ret;
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}
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HiresTexture::~HiresTexture()
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{
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for (auto& l : m_levels)
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{
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SOIL_free_image_data(l.data);
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}
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}
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