obs-StreamFX/source/filters/filter-shader.hpp

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/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 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 "gfx/gfx-effect-source.hpp"
#include "obs/gs/gs-rendertarget.hpp"
#include "plugin.hpp"
extern "C" {
#include <obs.h>
}
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namespace filter {
namespace shader {
class shader_factory {
obs_source_info _source_info;
public: // Singleton
static void initialize();
static void finalize();
static std::shared_ptr<shader_factory> get();
public:
shader_factory();
~shader_factory();
};
class shader_instance {
obs_source_t* _self;
bool _active;
uint32_t _width, _height;
std::shared_ptr<gs::rendertarget> _rt;
bool _rt_updated;
std::shared_ptr<gs::texture> _rt_tex;
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std::shared_ptr<gs::rendertarget> _rt2;
bool _rt2_updated;
std::shared_ptr<gs::texture> _rt2_tex;
std::shared_ptr<gfx::effect_source::effect_source> _fx;
public:
shader_instance(obs_data_t* data, obs_source_t* self);
~shader_instance();
uint32_t width();
uint32_t height();
void properties(obs_properties_t* props);
void update(obs_data_t* data);
void activate();
void deactivate();
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bool valid_param(std::shared_ptr<gs::effect_parameter> param);
void override_param(std::shared_ptr<gs::effect> effect);
void video_tick(float_t sec_since_last);
void video_render(gs_effect_t* effect);
};
} // namespace shader
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} // namespace filter