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

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// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2019-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// Copyright (C) 2021 coolsoft.rf <coolsoft.rf@gmail.com>
// Copyright (C) 2022 lainon <GermanAizek@yandex.ru>
// AUTOGENERATED COPYRIGHT HEADER END
#pragma once
#include "common.hpp"
#include "gfx/gfx-util.hpp"
#include "gfx/shader/gfx-shader-param.hpp"
#include "obs/gs/gs-effect.hpp"
#include "obs/gs/gs-rendertarget.hpp"
#include "warning-disable.hpp"
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#include <filesystem>
#include <list>
#include <map>
#include <random>
#include "warning-enable.hpp"
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namespace streamfx::gfx {
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namespace shader {
enum class size_type {
Pixel,
Percent,
};
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enum class shader_mode {
Source,
Filter,
Transition,
};
typedef std::map<std::string_view, std::shared_ptr<parameter>> shader_param_map_t;
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class shader {
obs_source_t* _self;
std::shared_ptr<streamfx::gfx::util> _gfx_util;
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// Inputs
shader_mode _mode;
uint32_t _base_width;
uint32_t _base_height;
bool _active;
bool _visible;
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// Shader
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streamfx::obs::gs::effect _shader;
std::filesystem::path _shader_file;
std::string _shader_tech;
std::filesystem::file_time_type _shader_file_mt;
uintmax_t _shader_file_sz;
float_t _shader_file_tick;
shader_param_map_t _shader_params;
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// Options
size_type _width_type;
double_t _width_value;
size_type _height_type;
double_t _height_value;
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// Cache
bool _have_current_params;
float_t _time;
float_t _time_loop;
int32_t _loops;
std::mt19937_64 _random;
int32_t _random_seed;
float_t _random_values[16]; // 0..4 Per-Instance-Random, 4..8 Per-Activation-Random 9..15 Per-Frame-Random
// Rendering
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bool _rt_up_to_date;
std::shared_ptr<streamfx::obs::gs::rendertarget> _rt;
public:
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shader(obs_source_t* self, shader_mode mode);
~shader();
bool is_shader_different(const std::filesystem::path& file);
bool is_technique_different(std::string_view tech);
bool load_shader(const std::filesystem::path& file, std::string_view tech, bool& shader_dirty, bool& param_dirty);
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static void defaults(obs_data_t* data);
void properties(obs_properties_t* props);
bool on_refresh_properties(obs_properties_t* props, obs_property_t* prop);
bool on_shader_or_technique_modified(obs_properties_t* props, obs_property_t* prop, obs_data_t* data);
bool update_shader(obs_data_t* data, bool& shader_dirty, bool& param_dirty);
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void update(obs_data_t* data);
uint32_t width();
uint32_t height();
uint32_t base_width();
uint32_t base_height();
bool tick(float_t time);
void prepare_render();
void render(gs_effect* effect);
obs_source_t* get();
std::filesystem::path get_shader_file();
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public:
void set_size(uint32_t w, uint32_t h);
void set_input_a(std::shared_ptr<streamfx::obs::gs::texture> tex, bool srgb = false);
void set_input_b(std::shared_ptr<streamfx::obs::gs::texture> tex, bool srgb = false);
void set_transition_time(float_t t);
void set_transition_size(uint32_t w, uint32_t h);
void set_visible(bool visible);
void set_active(bool active);
};
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} // namespace shader
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} // namespace streamfx::gfx