obs-StreamFX/source/gfx/shader/gfx-shader-param-basic.hpp

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// Modern effects for a modern Streamer
// Copyright (C) 2019 Michael Fabian Dirks
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#pragma once
#include "common.hpp"
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#include "gfx-shader-param.hpp"
#include "obs/gs/gs-effect-parameter.hpp"
#include "warning-disable.hpp"
#include <vector>
#include "warning-enable.hpp"
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namespace streamfx::gfx {
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namespace shader {
enum class basic_field_type {
Input,
Slider,
Enum,
};
basic_field_type get_field_type_from_string(std::string_view v);
struct basic_data {
union {
int32_t i32;
uint32_t ui32;
float_t f32;
};
};
struct basic_enum_data {
std::string name;
basic_data data;
};
class basic_parameter : public parameter {
// Descriptor
basic_field_type _field_type;
std::string _suffix;
std::vector<std::string> _keys;
std::vector<std::string> _names;
protected:
// Limits
std::vector<basic_data> _min;
std::vector<basic_data> _max;
std::vector<basic_data> _step;
std::vector<basic_data> _scale;
// Enumeration Information
std::list<basic_enum_data> _values;
public:
basic_parameter(streamfx::gfx::shader::shader* parent, streamfx::obs::gs::effect_parameter param,
std::string prefix);
virtual ~basic_parameter();
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virtual void load_parameter_data(streamfx::obs::gs::effect_parameter parameter, basic_data& data);
public:
inline basic_field_type field_type()
{
return _field_type;
}
inline std::string_view suffix()
{
return _suffix;
}
inline std::string_view key_at(std::size_t idx)
{
if (idx >= get_size())
throw std::out_of_range("Index out of range.");
return _keys[idx];
}
inline std::string_view name_at(std::size_t idx)
{
if (idx >= get_size())
throw std::out_of_range("Index out of range.");
return _names[idx];
}
};
struct bool_parameter : public basic_parameter {
// std::vector<bool> doesn't allow .data()
std::vector<int32_t> _data;
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public:
bool_parameter(streamfx::gfx::shader::shader* parent, streamfx::obs::gs::effect_parameter param,
std::string prefix);
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virtual ~bool_parameter();
void defaults(obs_data_t* settings) override;
void properties(obs_properties_t* props, obs_data_t* settings) override;
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void update(obs_data_t* settings) override;
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void assign() override;
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};
struct float_parameter : public basic_parameter {
std::vector<basic_data> _data;
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public:
float_parameter(streamfx::gfx::shader::shader* parent, streamfx::obs::gs::effect_parameter param,
std::string prefix);
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virtual ~float_parameter();
void defaults(obs_data_t* settings) override;
void properties(obs_properties_t* props, obs_data_t* settings) override;
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void update(obs_data_t* settings) override;
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void assign() override;
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};
struct int_parameter : public basic_parameter {
std::vector<basic_data> _data;
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public:
int_parameter(streamfx::gfx::shader::shader* parent, streamfx::obs::gs::effect_parameter param,
std::string prefix);
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virtual ~int_parameter();
void defaults(obs_data_t* settings) override;
void properties(obs_properties_t* props, obs_data_t* settings) override;
void update(obs_data_t* settings) override;
void assign() override;
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};
} // namespace shader
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} // namespace streamfx::gfx