obs-StreamFX/source/filters/filter-sdf-effects.hpp
2019-08-04 16:20:26 +02:00

173 lines
5.3 KiB
C++

/*
* Modern effects for a modern Streamer
* Copyright (C) 2017-2018 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 <memory>
#include "obs/gs/gs-effect.hpp"
#include "obs/gs/gs-rendertarget.hpp"
#include "obs/gs/gs-sampler.hpp"
#include "obs/gs/gs-texture.hpp"
#include "obs/gs/gs-vertexbuffer.hpp"
#include "plugin.hpp"
// OBS
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4201)
#endif
#include <obs.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
namespace filter {
namespace sdf_effects {
class sdf_effects_instance;
class sdf_effects_factory {
obs_source_info _source_info;
std::list<sdf_effects_instance*> _sources;
std::shared_ptr<gs::effect> _sdf_producer_effect;
std::shared_ptr<gs::effect> _sdf_consumer_effect;
public: // Singleton
static void initialize();
static void finalize();
static std::shared_ptr<sdf_effects_factory> get();
public:
sdf_effects_factory();
~sdf_effects_factory();
void on_list_fill();
void on_list_empty();
static void* create(obs_data_t* settings, obs_source_t* self);
static void destroy(void* source);
static void get_defaults(obs_data_t* settings);
static obs_properties_t* get_properties(void* source);
static void update(void* source, obs_data_t* settings);
static const char* get_name(void* source);
static uint32_t get_width(void* source);
static uint32_t get_height(void* source);
static void activate(void* source);
static void deactivate(void* source);
static void video_tick(void* source, float delta);
static void video_render(void* source, gs_effect_t* effect);
public:
std::shared_ptr<gs::effect> get_sdf_producer_effect();
std::shared_ptr<gs::effect> get_sdf_consumer_effect();
};
class sdf_effects_instance {
obs_source_t* _self;
// Input
std::shared_ptr<gs::rendertarget> _source_rt;
std::shared_ptr<gs::texture> _source_texture;
bool _source_rendered;
// Distance Field
std::shared_ptr<gs::rendertarget> _sdf_write;
std::shared_ptr<gs::rendertarget> _sdf_read;
std::shared_ptr<gs::texture> _sdf_texture;
double_t _sdf_scale;
float_t _sdf_threshold;
// Effects
bool _output_rendered;
std::shared_ptr<gs::texture> _output_texture;
std::shared_ptr<gs::rendertarget> _output_rt;
/// Inner Shadow
bool _inner_shadow;
vec4 _inner_shadow_color;
float_t _inner_shadow_range_min;
float_t _inner_shadow_range_max;
float_t _inner_shadow_offset_x;
float_t _inner_shadow_offset_y;
/// Outer Shadow
bool _outer_shadow;
vec4 _outer_shadow_color;
float_t _outer_shadow_range_min;
float_t _outer_shadow_range_max;
float_t _outer_shadow_offset_x;
float_t _outer_shadow_offset_y;
/// Inner Glow
bool _inner_glow;
vec4 _inner_glow_color;
float_t _inner_glow_width;
float_t _inner_glow_sharpness;
float_t _inner_glow_sharpness_inv;
/// Outer Glow
bool _outer_glow;
vec4 _outer_glow_color;
float_t _outer_glow_width;
float_t _outer_glow_sharpness;
float_t _outer_glow_sharpness_inv;
/// Outline
bool _outline;
vec4 _outline_color;
float_t _outline_width;
float_t _outline_offset;
float_t _outline_sharpness;
float_t _outline_sharpness_inv;
static bool cb_modified_shadow_inside(void* ptr, obs_properties_t* props, obs_property* prop,
obs_data_t* settings);
static bool cb_modified_shadow_outside(void* ptr, obs_properties_t* props, obs_property* prop,
obs_data_t* settings);
static bool cb_modified_glow_inside(void* ptr, obs_properties_t* props, obs_property* prop,
obs_data_t* settings);
static bool cb_modified_glow_outside(void* ptr, obs_properties_t* props, obs_property* prop,
obs_data_t* settings);
static bool cb_modified_outline(void* ptr, obs_properties_t* props, obs_property* prop,
obs_data_t* settings);
static bool cb_modified_advanced(void* ptr, obs_properties_t* props, obs_property* prop,
obs_data_t* settings);
public:
sdf_effects_instance(obs_data_t* settings, obs_source_t* self);
~sdf_effects_instance();
obs_properties_t* get_properties();
void update(obs_data_t*);
uint32_t get_width();
uint32_t get_height();
void activate();
void deactivate();
void video_tick(float);
void video_render(gs_effect_t*);
};
} // namespace sdf_effects
} // namespace filter