dolphin/Source/Core/VideoCommon/PostProcessing.cpp

311 lines
8.3 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <string>
#include "Common/CommonPaths.h"
#include "Common/FileUtil.h"
#include "Common/IniFile.h"
#include "Common/StringUtil.h"
#include "VideoCommon/PostProcessing.h"
#include "VideoCommon/VideoConfig.h"
PostProcessingShaderImplementation::PostProcessingShaderImplementation()
{
m_timer.Start();
}
PostProcessingShaderImplementation::~PostProcessingShaderImplementation()
{
m_timer.Stop();
}
std::string PostProcessingShaderConfiguration::LoadShader(std::string shader)
{
// Load the shader from the configuration if there isn't one sent to us.
if (shader == "")
shader = g_ActiveConfig.sPostProcessingShader;
m_current_shader = shader;
// loading shader code
std::string code;
std::string path = File::GetUserPath(D_SHADERS_IDX) + shader + ".glsl";
if (!File::Exists(path))
{
// Fallback to shared user dir
path = File::GetSysDirectory() + SHADERS_DIR DIR_SEP + shader + ".glsl";
}
if (!File::ReadFileToString(path, code))
{
ERROR_LOG(VIDEO, "Post-processing shader not found: %s", path.c_str());
return "";
}
LoadOptions(code);
LoadOptionsConfiguration();
return code;
}
void PostProcessingShaderConfiguration::LoadOptions(const std::string& code)
{
const std::string config_start_delimiter = "[configuration]";
const std::string config_end_delimiter = "[/configuration]";
size_t configuration_start = code.find(config_start_delimiter);
size_t configuration_end = code.find(config_end_delimiter);
m_options.clear();
m_any_options_dirty = true;
if (configuration_start == std::string::npos ||
configuration_end == std::string::npos)
{
// Issue loading configuration or there isn't one.
return;
}
std::string configuration_string = code.substr(configuration_start + config_start_delimiter.size(),
configuration_end - configuration_start - config_start_delimiter.size());
std::istringstream in(configuration_string);
struct GLSLStringOption
{
std::string m_type;
std::vector<std::pair<std::string, std::string>> m_options;
};
std::vector<GLSLStringOption> option_strings;
GLSLStringOption* current_strings = nullptr;
while (!in.eof())
{
std::string line;
if (std::getline(in, line))
{
#ifndef _WIN32
// Check for CRLF eol and convert it to LF
if (!line.empty() && line.at(line.size()-1) == '\r')
{
line.erase(line.size()-1);
}
#endif
if (line.size() > 0)
{
if (line[0] == '[')
{
size_t endpos = line.find("]");
if (endpos != std::string::npos)
{
// New section!
std::string sub = line.substr(1, endpos - 1);
option_strings.push_back({ sub });
current_strings = &option_strings.back();
}
}
else
{
if (current_strings)
{
std::string key, value;
IniFile::ParseLine(line, &key, &value);
if (!(key == "" && value == ""))
current_strings->m_options.push_back(std::make_pair(key, value));
}
}
}
}
}
for (const auto& it : option_strings)
{
ConfigurationOption option;
option.m_dirty = true;
if (it.m_type == "OptionBool")
option.m_type = ConfigurationOption::OptionType::OPTION_BOOL;
else if (it.m_type == "OptionRangeFloat")
option.m_type = ConfigurationOption::OptionType::OPTION_FLOAT;
else if (it.m_type == "OptionRangeInteger")
option.m_type = ConfigurationOption::OptionType::OPTION_INTEGER;
for (const auto& string_option : it.m_options)
{
if (string_option.first == "GUIName")
{
option.m_gui_name = string_option.second;
}
else if (string_option.first == "OptionName")
{
option.m_option_name = string_option.second;
}
else if (string_option.first == "DependentOption")
{
option.m_dependent_option = string_option.second;
}
else if (string_option.first == "MinValue" ||
string_option.first == "MaxValue" ||
string_option.first == "DefaultValue" ||
string_option.first == "StepAmount")
{
std::vector<s32>* output_integer = nullptr;
std::vector<float>* output_float = nullptr;
if (string_option.first == "MinValue")
{
output_integer = &option.m_integer_min_values;
output_float = &option.m_float_min_values;
}
else if (string_option.first == "MaxValue")
{
output_integer = &option.m_integer_max_values;
output_float = &option.m_float_max_values;
}
else if (string_option.first == "DefaultValue")
{
output_integer = &option.m_integer_values;
output_float = &option.m_float_values;
}
else if (string_option.first == "StepAmount")
{
output_integer = &option.m_integer_step_values;
output_float = &option.m_float_step_values;
}
if (option.m_type == ConfigurationOption::OptionType::OPTION_BOOL)
{
TryParse(string_option.second, &option.m_bool_value);
}
else if (option.m_type == ConfigurationOption::OptionType::OPTION_INTEGER)
{
TryParseVector(string_option.second, output_integer);
if (output_integer->size() > 4)
output_integer->erase(output_integer->begin() + 4, output_integer->end());
}
else if (option.m_type == ConfigurationOption::OptionType::OPTION_FLOAT)
{
TryParseVector(string_option.second, output_float);
if (output_float->size() > 4)
output_float->erase(output_float->begin() + 4, output_float->end());
}
}
}
m_options[option.m_option_name] = option;
}
}
void PostProcessingShaderConfiguration::LoadOptionsConfiguration()
{
IniFile ini;
ini.Load(File::GetUserPath(F_DOLPHINCONFIG_IDX));
std::string section = m_current_shader + "-options";
for (auto& it : m_options)
{
switch (it.second.m_type)
{
case ConfigurationOption::OptionType::OPTION_BOOL:
ini.GetOrCreateSection(section)->Get(it.second.m_option_name, &it.second.m_bool_value, it.second.m_bool_value);
break;
case ConfigurationOption::OptionType::OPTION_INTEGER:
{
std::string value;
ini.GetOrCreateSection(section)->Get(it.second.m_option_name, &value);
if (value != "")
TryParseVector(value, &it.second.m_integer_values);
}
break;
case ConfigurationOption::OptionType::OPTION_FLOAT:
{
std::string value;
ini.GetOrCreateSection(section)->Get(it.second.m_option_name, &value);
if (value != "")
TryParseVector(value, &it.second.m_float_values);
}
break;
}
}
}
void PostProcessingShaderConfiguration::SaveOptionsConfiguration()
{
IniFile ini;
ini.Load(File::GetUserPath(F_DOLPHINCONFIG_IDX));
std::string section = m_current_shader + "-options";
for (auto& it : m_options)
{
switch (it.second.m_type)
{
case ConfigurationOption::OptionType::OPTION_BOOL:
{
ini.GetOrCreateSection(section)->Set(it.second.m_option_name, it.second.m_bool_value);
}
break;
case ConfigurationOption::OptionType::OPTION_INTEGER:
{
std::string value = "";
for (size_t i = 0; i < it.second.m_integer_values.size(); ++i)
value += StringFromFormat("%d%s", it.second.m_integer_values[i], i == (it.second.m_integer_values.size() - 1) ? "": ", ");
ini.GetOrCreateSection(section)->Set(it.second.m_option_name, value);
}
break;
case ConfigurationOption::OptionType::OPTION_FLOAT:
{
std::ostringstream value;
value.imbue(std::locale("C"));
for (size_t i = 0; i < it.second.m_float_values.size(); ++i)
{
value << it.second.m_float_values[i];
if (i != (it.second.m_float_values.size() - 1))
value << ", ";
}
ini.GetOrCreateSection(section)->Set(it.second.m_option_name, value.str());
}
break;
}
}
ini.Save(File::GetUserPath(F_DOLPHINCONFIG_IDX));
}
void PostProcessingShaderConfiguration::ReloadShader()
{
m_current_shader = "";
}
void PostProcessingShaderConfiguration::SetOptionf(std::string option, int index, float value)
{
auto it = m_options.find(option);
it->second.m_float_values[index] = value;
it->second.m_dirty = true;
m_any_options_dirty = true;
}
void PostProcessingShaderConfiguration::SetOptioni(std::string option, int index, s32 value)
{
auto it = m_options.find(option);
it->second.m_integer_values[index] = value;
it->second.m_dirty = true;
m_any_options_dirty = true;
}
void PostProcessingShaderConfiguration::SetOptionb(std::string option, bool value)
{
auto it = m_options.find(option);
it->second.m_bool_value = value;
it->second.m_dirty = true;
m_any_options_dirty = true;
}