dolphin/Source/Core/VideoCommon/HiresTextures.cpp

317 lines
8.6 KiB
C++

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