mirror of
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27ae5b8d34
The backends don't use this list at all, and since more than one backend supports post-processing now, it's duplicate code.
360 lines
10 KiB
C++
360 lines
10 KiB
C++
// Copyright 2014 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 <sstream>
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#include <string>
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#include "Common/CommonPaths.h"
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#include "Common/CommonTypes.h"
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#include "Common/FileSearch.h"
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#include "Common/FileUtil.h"
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#include "Common/IniFile.h"
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#include "Common/Logging/Log.h"
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#include "Common/StringUtil.h"
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#include "VideoCommon/PostProcessing.h"
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#include "VideoCommon/VideoConfig.h"
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static const char s_default_shader[] = "void main() { SetOutput(Sample()); }\n";
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PostProcessingShaderImplementation::PostProcessingShaderImplementation()
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{
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m_timer.Start();
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}
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PostProcessingShaderImplementation::~PostProcessingShaderImplementation()
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{
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m_timer.Stop();
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}
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static std::vector<std::string> GetShaders(const std::string& sub_dir = "")
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{
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std::vector<std::string> paths =
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Common::DoFileSearch({".glsl"}, {File::GetUserPath(D_SHADERS_IDX) + sub_dir,
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File::GetSysDirectory() + SHADERS_DIR DIR_SEP + sub_dir});
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std::vector<std::string> result;
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for (std::string path : paths)
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{
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std::string name;
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SplitPath(path, nullptr, &name, nullptr);
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result.push_back(name);
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}
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return result;
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}
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std::vector<std::string> PostProcessingShaderImplementation::GetShaderList(APIType api_type)
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{
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// Currently there is no differentiation between API types and shader languages.
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// This could change in the future, hence the api_type parameter, but ideally,
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// shaders should be compatible across backends.
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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return GetShaders();
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return {};
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}
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std::vector<std::string> PostProcessingShaderImplementation::GetAnaglyphShaderList(APIType api_type)
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{
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if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
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return GetShaders(ANAGLYPH_DIR DIR_SEP);
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return {};
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}
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std::string PostProcessingShaderConfiguration::LoadShader(std::string shader)
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{
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// Load the shader from the configuration if there isn't one sent to us.
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if (shader == "")
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shader = g_ActiveConfig.sPostProcessingShader;
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m_current_shader = shader;
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const std::string sub_dir = (g_Config.iStereoMode == STEREO_ANAGLYPH) ? ANAGLYPH_DIR DIR_SEP : "";
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// loading shader code
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std::string code;
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std::string path = File::GetUserPath(D_SHADERS_IDX) + sub_dir + shader + ".glsl";
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if (shader == "")
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{
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code = s_default_shader;
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}
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else
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{
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if (!File::Exists(path))
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{
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// Fallback to shared user dir
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path = File::GetSysDirectory() + SHADERS_DIR DIR_SEP + sub_dir + shader + ".glsl";
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}
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if (!File::ReadFileToString(path, code))
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{
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ERROR_LOG(VIDEO, "Post-processing shader not found: %s", path.c_str());
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code = s_default_shader;
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}
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}
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LoadOptions(code);
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LoadOptionsConfiguration();
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return code;
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}
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void PostProcessingShaderConfiguration::LoadOptions(const std::string& code)
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{
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const std::string config_start_delimiter = "[configuration]";
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const std::string config_end_delimiter = "[/configuration]";
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size_t configuration_start = code.find(config_start_delimiter);
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size_t configuration_end = code.find(config_end_delimiter);
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m_options.clear();
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m_any_options_dirty = true;
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if (configuration_start == std::string::npos || configuration_end == std::string::npos)
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{
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// Issue loading configuration or there isn't one.
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return;
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}
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std::string configuration_string =
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code.substr(configuration_start + config_start_delimiter.size(),
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configuration_end - configuration_start - config_start_delimiter.size());
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std::istringstream in(configuration_string);
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struct GLSLStringOption
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{
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std::string m_type;
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std::vector<std::pair<std::string, std::string>> m_options;
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};
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std::vector<GLSLStringOption> option_strings;
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GLSLStringOption* current_strings = nullptr;
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while (!in.eof())
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{
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std::string line;
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if (std::getline(in, line))
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{
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#ifndef _WIN32
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// Check for CRLF eol and convert it to LF
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if (!line.empty() && line.at(line.size() - 1) == '\r')
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{
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line.erase(line.size() - 1);
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}
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#endif
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if (line.size() > 0)
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{
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if (line[0] == '[')
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{
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size_t endpos = line.find("]");
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if (endpos != std::string::npos)
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{
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// New section!
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std::string sub = line.substr(1, endpos - 1);
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option_strings.push_back({sub});
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current_strings = &option_strings.back();
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}
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}
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else
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{
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if (current_strings)
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{
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std::string key, value;
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IniFile::ParseLine(line, &key, &value);
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if (!(key == "" && value == ""))
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current_strings->m_options.emplace_back(key, value);
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}
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}
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}
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}
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}
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for (const auto& it : option_strings)
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{
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ConfigurationOption option;
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option.m_dirty = true;
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if (it.m_type == "OptionBool")
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option.m_type = ConfigurationOption::OptionType::OPTION_BOOL;
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else if (it.m_type == "OptionRangeFloat")
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option.m_type = ConfigurationOption::OptionType::OPTION_FLOAT;
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else if (it.m_type == "OptionRangeInteger")
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option.m_type = ConfigurationOption::OptionType::OPTION_INTEGER;
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for (const auto& string_option : it.m_options)
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{
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if (string_option.first == "GUIName")
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{
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option.m_gui_name = string_option.second;
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}
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else if (string_option.first == "OptionName")
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{
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option.m_option_name = string_option.second;
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}
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else if (string_option.first == "DependentOption")
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{
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option.m_dependent_option = string_option.second;
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}
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else if (string_option.first == "MinValue" || string_option.first == "MaxValue" ||
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string_option.first == "DefaultValue" || string_option.first == "StepAmount")
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{
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std::vector<s32>* output_integer = nullptr;
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std::vector<float>* output_float = nullptr;
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if (string_option.first == "MinValue")
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{
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output_integer = &option.m_integer_min_values;
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output_float = &option.m_float_min_values;
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}
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else if (string_option.first == "MaxValue")
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{
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output_integer = &option.m_integer_max_values;
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output_float = &option.m_float_max_values;
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}
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else if (string_option.first == "DefaultValue")
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{
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output_integer = &option.m_integer_values;
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output_float = &option.m_float_values;
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}
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else if (string_option.first == "StepAmount")
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{
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output_integer = &option.m_integer_step_values;
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output_float = &option.m_float_step_values;
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}
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if (option.m_type == ConfigurationOption::OptionType::OPTION_BOOL)
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{
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TryParse(string_option.second, &option.m_bool_value);
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}
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else if (option.m_type == ConfigurationOption::OptionType::OPTION_INTEGER)
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{
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TryParseVector(string_option.second, output_integer);
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if (output_integer->size() > 4)
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output_integer->erase(output_integer->begin() + 4, output_integer->end());
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}
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else if (option.m_type == ConfigurationOption::OptionType::OPTION_FLOAT)
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{
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TryParseVector(string_option.second, output_float);
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if (output_float->size() > 4)
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output_float->erase(output_float->begin() + 4, output_float->end());
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}
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}
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}
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m_options[option.m_option_name] = option;
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}
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}
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void PostProcessingShaderConfiguration::LoadOptionsConfiguration()
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{
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IniFile ini;
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ini.Load(File::GetUserPath(F_DOLPHINCONFIG_IDX));
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std::string section = m_current_shader + "-options";
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for (auto& it : m_options)
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{
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switch (it.second.m_type)
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{
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case ConfigurationOption::OptionType::OPTION_BOOL:
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ini.GetOrCreateSection(section)->Get(it.second.m_option_name, &it.second.m_bool_value,
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it.second.m_bool_value);
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break;
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case ConfigurationOption::OptionType::OPTION_INTEGER:
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{
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std::string value;
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ini.GetOrCreateSection(section)->Get(it.second.m_option_name, &value);
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if (value != "")
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TryParseVector(value, &it.second.m_integer_values);
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}
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break;
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case ConfigurationOption::OptionType::OPTION_FLOAT:
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{
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std::string value;
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ini.GetOrCreateSection(section)->Get(it.second.m_option_name, &value);
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if (value != "")
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TryParseVector(value, &it.second.m_float_values);
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}
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break;
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}
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}
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}
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void PostProcessingShaderConfiguration::SaveOptionsConfiguration()
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{
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IniFile ini;
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ini.Load(File::GetUserPath(F_DOLPHINCONFIG_IDX));
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std::string section = m_current_shader + "-options";
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for (auto& it : m_options)
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{
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switch (it.second.m_type)
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{
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case ConfigurationOption::OptionType::OPTION_BOOL:
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{
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ini.GetOrCreateSection(section)->Set(it.second.m_option_name, it.second.m_bool_value);
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}
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break;
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case ConfigurationOption::OptionType::OPTION_INTEGER:
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{
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std::string value = "";
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for (size_t i = 0; i < it.second.m_integer_values.size(); ++i)
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value += StringFromFormat("%d%s", it.second.m_integer_values[i],
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i == (it.second.m_integer_values.size() - 1) ? "" : ", ");
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ini.GetOrCreateSection(section)->Set(it.second.m_option_name, value);
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}
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break;
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case ConfigurationOption::OptionType::OPTION_FLOAT:
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{
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std::ostringstream value;
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value.imbue(std::locale("C"));
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for (size_t i = 0; i < it.second.m_float_values.size(); ++i)
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{
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value << it.second.m_float_values[i];
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if (i != (it.second.m_float_values.size() - 1))
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value << ", ";
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}
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ini.GetOrCreateSection(section)->Set(it.second.m_option_name, value.str());
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}
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break;
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}
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}
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ini.Save(File::GetUserPath(F_DOLPHINCONFIG_IDX));
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}
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void PostProcessingShaderConfiguration::ReloadShader()
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{
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m_current_shader = "";
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}
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void PostProcessingShaderConfiguration::SetOptionf(const std::string& option, int index,
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float value)
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{
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auto it = m_options.find(option);
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it->second.m_float_values[index] = value;
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it->second.m_dirty = true;
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m_any_options_dirty = true;
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}
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void PostProcessingShaderConfiguration::SetOptioni(const std::string& option, int index, s32 value)
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{
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auto it = m_options.find(option);
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it->second.m_integer_values[index] = value;
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it->second.m_dirty = true;
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m_any_options_dirty = true;
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}
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void PostProcessingShaderConfiguration::SetOptionb(const std::string& option, bool value)
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{
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auto it = m_options.find(option);
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it->second.m_bool_value = value;
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it->second.m_dirty = true;
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m_any_options_dirty = true;
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}
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