obs-StreamFX/source/sources/source-shader.cpp
2020-01-13 22:40:15 +01:00

121 lines
3 KiB
C++

/*
* 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 <stdexcept>
#include "strings.hpp"
#include "utility.hpp"
#define ST "Source.Shader"
using namespace source;
shader::shader_instance::shader_instance(obs_data_t* data, obs_source_t* self)
: obs::source_instance(data, self), _is_main(false)
{
_fx = std::make_shared<gfx::shader::shader>(self, gfx::shader::shader_mode::Source);
update(data);
}
shader::shader_instance::~shader_instance() {}
uint32_t shader::shader_instance::get_width()
{
return _fx->width();
}
uint32_t shader::shader_instance::get_height()
{
return _fx->height();
}
void shader::shader_instance::properties(obs_properties_t* props)
{
_fx->properties(props);
}
void shader::shader_instance::load(obs_data_t* data)
{
_fx->update(data);
}
void shader::shader_instance::update(obs_data_t* data)
{
_fx->update(data);
}
void shader::shader_instance::video_tick(float_t sec_since_last)
{
if (_fx->tick(sec_since_last)) {
obs_data_t* data = obs_source_get_settings(_self);
_fx->update(data);
obs_data_release(data);
}
_is_main = true;
}
void shader::shader_instance::video_render(gs_effect_t* effect)
{
if (!_fx) {
return;
}
if (_is_main) { // Dirty hack to only take the value from the first render, which usually is the main view.
gs_rect vect;
gs_get_viewport(&vect);
_fx->set_size(static_cast<uint32_t>(vect.cx), static_cast<uint32_t>(vect.cy));
_is_main = false;
}
_fx->render();
}
std::shared_ptr<shader::shader_factory> shader::shader_factory::factory_instance = nullptr;
shader::shader_factory::shader_factory()
{
_info.id = "obs-stream-effects-source-shader";
_info.type = OBS_SOURCE_TYPE_INPUT;
_info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW;
finish_setup();
}
shader::shader_factory::~shader_factory() {}
const char* shader::shader_factory::get_name()
{
return D_TRANSLATE(ST);
}
void shader::shader_factory::get_defaults2(obs_data_t* data) {}
obs_properties_t* shader::shader_factory::get_properties2(shader::shader_instance* data)
{
auto pr = obs_properties_create();
obs_properties_set_param(pr, data, nullptr);
if (data) {
reinterpret_cast<shader_instance*>(data)->properties(pr);
}
return pr;
}