obs-StreamFX/source/sources/source-shader.cpp

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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
*/
#include "source-shader.hpp"
#include "strings.hpp"
#include <stdexcept>
#include "obs/gs/gs-helper.hpp"
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#include "utility.hpp"
#define ST "Source.Shader"
using namespace streamfx::source::shader;
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shader_instance::shader_instance(obs_data_t* data, obs_source_t* self) : obs::source_instance(data, self), _fx()
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{
_fx = std::make_shared<::gfx::shader::shader>(self, ::gfx::shader::shader_mode::Source);
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update(data);
}
shader_instance::~shader_instance() {}
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std::uint32_t shader_instance::get_width()
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{
return _fx->width();
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}
std::uint32_t shader_instance::get_height()
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{
return _fx->height();
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}
void shader_instance::properties(obs_properties_t* props)
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{
_fx->properties(props);
}
void shader_instance::load(obs_data_t* data)
{
_fx->update(data);
}
void shader_instance::update(obs_data_t* data)
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{
_fx->update(data);
}
void shader_instance::video_tick(float_t sec_since_last)
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{
if (_fx->tick(sec_since_last)) {
obs_data_t* data = obs_source_get_settings(_self);
_fx->update(data);
obs_data_release(data);
}
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obs_video_info ovi;
obs_get_video_info(&ovi);
_fx->set_size(ovi.base_width, ovi.base_height);
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}
void shader_instance::video_render(gs_effect_t* effect)
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{
if (!_fx) {
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return;
}
#ifdef ENABLE_PROFILING
gs::debug_marker gdmp{gs::debug_color_source, "Shader Source '%s'", obs_source_get_name(_self)};
#endif
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_fx->prepare_render();
_fx->render();
}
shader_factory::shader_factory()
{
_info.id = PREFIX "source-shader";
_info.type = OBS_SOURCE_TYPE_INPUT;
_info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW;
finish_setup();
register_proxy("obs-stream-effects-source-shader");
}
shader_factory::~shader_factory() {}
const char* shader_factory::get_name()
{
return D_TRANSLATE(ST);
}
void shader_factory::get_defaults2(obs_data_t* data)
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{
::gfx::shader::shader::defaults(data);
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}
obs_properties_t* shader_factory::get_properties2(shader_instance* data)
{
auto pr = obs_properties_create();
obs_properties_set_param(pr, data, nullptr);
if (data) {
reinterpret_cast<shader_instance*>(data)->properties(pr);
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}
return pr;
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}
std::shared_ptr<shader_factory> _source_shader_factory_instance = nullptr;
void streamfx::source::shader::shader_factory::initialize()
{
if (!_source_shader_factory_instance)
_source_shader_factory_instance = std::make_shared<shader_factory>();
}
void streamfx::source::shader::shader_factory::finalize()
{
_source_shader_factory_instance.reset();
}
std::shared_ptr<shader_factory> streamfx::source::shader::shader_factory::get()
{
return _source_shader_factory_instance;
}