obs-StreamFX/source/gfx/shader/gfx-shader-param.hpp
2020-04-09 00:17:25 +02:00

110 lines
2.9 KiB
C++

// 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 <list>
#include <string>
#include "obs/gs/gs-effect-parameter.hpp"
namespace gfx {
namespace shader {
enum class parameter_type {
// Unknown type, could be anything.
Unknown,
// Boolean, either false or true.
Boolean,
// Single Floating Point
Float,
// 32-Bit Integer
Integer,
// UTF-8 Character based String.
String,
// Texture with dimensions stored in size (1 = Texture1D, 2 = Texture2D, 3 = Texture3D, 6 = TextureCube).
Texture,
// Sampler for Textures.
Sampler
};
parameter_type get_type_from_effect_type(gs::effect_parameter::type type);
std::size_t get_length_from_effect_type(gs::effect_parameter::type type);
parameter_type get_type_from_string(std::string v);
class parameter {
// Parameter used for all functionality.
gs::effect_parameter _param;
// Real type of the parameter (libobs gets it wrong often).
parameter_type _type;
// Real size of the parameter (libobs gets it wrong often).
std::size_t _size;
// Order of the parameter in a list/map.
int32_t _order;
// Key for the parameter (group) in a list/map.
std::string _key;
// Visibility, name and description.
bool _visible;
bool _automatic;
std::string _name;
std::string _description;
protected:
parameter(gs::effect_parameter param, std::string key_prefix);
virtual ~parameter(){};
public:
virtual void defaults(obs_data_t* settings);
virtual void properties(obs_properties_t* props, obs_data_t* settings);
virtual void update(obs_data_t* settings);
virtual void assign();
public:
gs::effect_parameter get_parameter();
parameter_type get_type();
std::size_t get_size();
int32_t get_order();
const std::string& get_key();
bool is_visible();
bool is_automatic();
bool has_name();
const std::string& get_name();
bool has_description();
const std::string& get_description();
public:
static std::shared_ptr<parameter> make_parameter(gs::effect_parameter param, std::string prefix);
};
} // namespace shader
} // namespace gfx