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VideoCommon: add logic to read a GraphicsMod from configuration

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iwubcode
2022-02-26 00:19:38 -06:00
parent f92beb611f
commit 254246b814
12 changed files with 1081 additions and 0 deletions
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254
Source/Core/VideoCommon/GraphicsModSystem/Config/GraphicsTarget.cpp Normal file
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// Copyright 2022 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/GraphicsModSystem/Config/GraphicsTarget.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "VideoCommon/TextureCacheBase.h"
namespace
{
template <typename T, std::enable_if_t<std::is_base_of_v<FBTarget, T>, int> = 0>
std::optional<T> DeserializeFBTargetFromConfig(const picojson::object& obj, std::string_view prefix)
{
T fb;
const auto texture_filename_iter = obj.find("texture_filename");
if (texture_filename_iter == obj.end())
{
ERROR_LOG_FMT(VIDEO,
"Failed to load mod configuration file, option 'texture_filename' not found");
return std::nullopt;
}
if (!texture_filename_iter->second.is<std::string>())
{
ERROR_LOG_FMT(
VIDEO,
"Failed to load mod configuration file, option 'texture_filename' is not a string type");
return std::nullopt;
}
const auto texture_filename = texture_filename_iter->second.get<std::string>();
const auto texture_filename_without_prefix = texture_filename.substr(prefix.size() + 1);
const auto split_str_values = SplitString(texture_filename_without_prefix, '_');
if (split_str_values.size() == 1)
{
ERROR_LOG_FMT(
VIDEO, "Failed to load mod configuration file, value in 'texture_filename' is not valid");
return std::nullopt;
}
const auto split_width_height_values = SplitString(texture_filename_without_prefix, 'x');
if (split_width_height_values.size() != 2)
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, value in 'texture_filename' is "
"not valid, width and height separator found more matches than expected");
return std::nullopt;
}
const std::size_t width_underscore_pos = split_width_height_values[0].find_last_of('_');
std::string width_str;
if (width_underscore_pos == std::string::npos)
{
width_str = split_width_height_values[0];
}
else
{
width_str = split_width_height_values[0].substr(width_underscore_pos + 1);
}
if (!TryParse(width_str, &fb.m_width))
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, value in 'texture_filename' is "
"not valid, width not a number");
return std::nullopt;
}
const std::size_t height_underscore_pos = split_width_height_values[1].find_first_of('_');
if (height_underscore_pos == std::string::npos ||
height_underscore_pos == split_width_height_values[1].size() - 1)
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, value in 'texture_filename' is "
"not valid, underscore after height is missing or incomplete");
return std::nullopt;
}
const std::string height_str = split_width_height_values[1].substr(0, height_underscore_pos);
if (!TryParse(height_str, &fb.m_height))
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, value in 'texture_filename' is "
"not valid, height not a number");
return std::nullopt;
}
const std::size_t format_underscore_pos =
split_width_height_values[1].find_first_of('_', height_underscore_pos + 1);
std::string format_str;
if (format_underscore_pos == std::string::npos)
{
format_str = split_width_height_values[1].substr(height_underscore_pos + 1);
}
else
{
format_str = split_width_height_values[1].substr(
height_underscore_pos + 1, (format_underscore_pos - height_underscore_pos) - 1);
}
u32 format;
if (!TryParse(format_str, &format))
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, value in 'texture_filename' is "
"not valid, texture format is not a number");
return std::nullopt;
}
if (!IsValidTextureFormat(static_cast<TextureFormat>(format)))
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, value in 'texture_filename' is "
"not valid, texture format is not valid");
return std::nullopt;
}
fb.m_texture_format = static_cast<TextureFormat>(format);
return fb;
}
std::optional<std::string> ExtractTextureFilenameForConfig(const picojson::object& obj)
{
const auto texture_filename_iter = obj.find("texture_filename");
if (texture_filename_iter == obj.end())
{
ERROR_LOG_FMT(VIDEO,
"Failed to load mod configuration file, option 'texture_filename' not found");
return std::nullopt;
}
if (!texture_filename_iter->second.is<std::string>())
{
ERROR_LOG_FMT(
VIDEO,
"Failed to load mod configuration file, option 'texture_filename' is not a string type");
return std::nullopt;
}
std::string texture_info = texture_filename_iter->second.get<std::string>();
if (texture_info.find(EFB_DUMP_PREFIX) != std::string::npos)
{
const auto letter_c_pos = texture_info.find_first_of('n');
if (letter_c_pos == std::string::npos)
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, value in 'texture_filename' "
"is an efb without a count");
return std::nullopt;
}
texture_info =
texture_info.substr(letter_c_pos - 1, texture_info.find_first_of("_", letter_c_pos));
}
else if (texture_info.find(XFB_DUMP_PREFIX) != std::string::npos)
{
const auto letter_c_pos = texture_info.find_first_of('n');
if (letter_c_pos == std::string::npos)
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, value in 'texture_filename' "
"is an xfb without a count");
return std::nullopt;
}
texture_info =
texture_info.substr(letter_c_pos - 1, texture_info.find_first_of("_", letter_c_pos));
}
return texture_info;
}
} // namespace
std::optional<GraphicsTargetConfig> DeserializeTargetFromConfig(const picojson::object& obj)
{
const auto type_iter = obj.find("type");
if (type_iter == obj.end())
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, option 'type' not found");
return std::nullopt;
}
if (!type_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO,
"Failed to load mod configuration file, option 'type' is not a string type");
return std::nullopt;
}
const std::string& type = type_iter->second.get<std::string>();
if (type == "draw_started")
{
std::optional<std::string> texture_info = ExtractTextureFilenameForConfig(obj);
if (!texture_info.has_value())
return std::nullopt;
DrawStartedTextureTarget target;
target.m_texture_info_string = texture_info.value();
return target;
}
else if (type == "load_texture")
{
std::optional<std::string> texture_info = ExtractTextureFilenameForConfig(obj);
if (!texture_info.has_value())
return std::nullopt;
LoadTextureTarget target;
target.m_texture_info_string = texture_info.value();
return target;
}
else if (type == "efb")
{
return DeserializeFBTargetFromConfig<EFBTarget>(obj, EFB_DUMP_PREFIX);
}
else if (type == "xfb")
{
return DeserializeFBTargetFromConfig<XFBTarget>(obj, EFB_DUMP_PREFIX);
}
else if (type == "projection")
{
ProjectionTarget target;
const auto texture_iter = obj.find("texture_filename");
if (texture_iter != obj.end())
{
std::optional<std::string> texture_info = ExtractTextureFilenameForConfig(obj);
if (!texture_info.has_value())
return std::nullopt;
target.m_texture_info_string = texture_info;
}
const auto value_iter = obj.find("value");
if (value_iter == obj.end())
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, option 'value' not found");
return std::nullopt;
}
if (!value_iter->second.is<std::string>())
{
ERROR_LOG_FMT(VIDEO,
"Failed to load mod configuration file, option 'value' is not a string type");
return std::nullopt;
}
const auto& value_str = value_iter->second.get<std::string>();
if (value_str == "2d")
{
target.m_projection_type = ProjectionType::Orthographic;
}
else if (value_str == "3d")
{
target.m_projection_type = ProjectionType::Perspective;
}
else
{
ERROR_LOG_FMT(VIDEO, "Failed to load mod configuration file, option 'value' is not a valid "
"value, valid values are: 2d, 3d");
return std::nullopt;
}
return target;
}
else
{
ERROR_LOG_FMT(VIDEO,
"Failed to load mod configuration file, option 'type' is not a valid value");
}
return std::nullopt;
}
void SerializeTargetToProfile(picojson::object*, const GraphicsTargetConfig&)
{
// Added for consistency, no functionality as of now
}
void DeserializeTargetFromProfile(const picojson::object&, GraphicsTargetConfig*)
{
// Added for consistency, no functionality as of now
}