obs-StreamFX/source/sources/source-shader.cpp
2021-09-07 05:22:15 +02:00

195 lines
5.2 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 "strings.hpp"
#include <stdexcept>
#include "obs/gs/gs-helper.hpp"
#include "util/util-logging.hpp"
#ifdef _DEBUG
#define ST_PREFIX "<%s> "
#define D_LOG_ERROR(x, ...) P_LOG_ERROR(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_WARNING(x, ...) P_LOG_WARN(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_INFO(x, ...) P_LOG_INFO(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#define D_LOG_DEBUG(x, ...) P_LOG_DEBUG(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
#else
#define ST_PREFIX "<source::shader> "
#define D_LOG_ERROR(...) P_LOG_ERROR(ST_PREFIX __VA_ARGS__)
#define D_LOG_WARNING(...) P_LOG_WARN(ST_PREFIX __VA_ARGS__)
#define D_LOG_INFO(...) P_LOG_INFO(ST_PREFIX __VA_ARGS__)
#define D_LOG_DEBUG(...) P_LOG_DEBUG(ST_PREFIX __VA_ARGS__)
#endif
#define ST_I18N "Source.Shader"
using namespace streamfx::source::shader;
static constexpr std::string_view HELP_URL =
"https://github.com/Xaymar/obs-StreamFX/wiki/Source-Filter-Transition-Shader";
shader_instance::shader_instance(obs_data_t* data, obs_source_t* self) : obs::source_instance(data, self), _fx()
{
_fx = std::make_shared<::streamfx::gfx::shader::shader>(self, ::streamfx::gfx::shader::shader_mode::Source);
update(data);
}
shader_instance::~shader_instance() {}
uint32_t shader_instance::get_width()
{
return _fx->width();
}
uint32_t shader_instance::get_height()
{
return _fx->height();
}
void shader_instance::properties(obs_properties_t* props)
{
_fx->properties(props);
}
void shader_instance::load(obs_data_t* data)
{
_fx->update(data);
}
void shader_instance::update(obs_data_t* data)
{
_fx->update(data);
}
void 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);
}
obs_video_info ovi;
obs_get_video_info(&ovi);
_fx->set_size(ovi.base_width, ovi.base_height);
}
void shader_instance::video_render(gs_effect_t* effect)
{
if (!_fx) {
return;
}
#ifdef ENABLE_PROFILING
streamfx::obs::gs::debug_marker gdmp{streamfx::obs::gs::debug_color_source, "Shader Source '%s'",
obs_source_get_name(_self)};
#endif
_fx->prepare_render();
_fx->render(effect);
}
void streamfx::source::shader::shader_instance::activate()
{
_fx->set_active(true);
}
void streamfx::source::shader::shader_instance::deactivate()
{
_fx->set_active(false);
}
shader_factory::shader_factory()
{
_info.id = S_PREFIX "source-shader";
_info.type = OBS_SOURCE_TYPE_INPUT;
_info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW;
set_activity_tracking_enabled(true);
finish_setup();
register_proxy("obs-stream-effects-source-shader");
}
shader_factory::~shader_factory() {}
const char* shader_factory::get_name()
{
return D_TRANSLATE(ST_I18N);
}
void shader_factory::get_defaults2(obs_data_t* data)
{
::streamfx::gfx::shader::shader::defaults(data);
}
obs_properties_t* shader_factory::get_properties2(shader_instance* data)
{
auto pr = obs_properties_create();
obs_properties_set_param(pr, data, nullptr);
#ifdef ENABLE_FRONTEND
{
obs_properties_add_button2(pr, S_MANUAL_OPEN, D_TRANSLATE(S_MANUAL_OPEN),
streamfx::source::shader::shader_factory::on_manual_open, nullptr);
}
#endif
if (data) {
reinterpret_cast<shader_instance*>(data)->properties(pr);
}
return pr;
}
#ifdef ENABLE_FRONTEND
bool shader_factory::on_manual_open(obs_properties_t* props, obs_property_t* property, void* data)
try {
streamfx::open_url(HELP_URL);
return false;
} catch (const std::exception& ex) {
D_LOG_ERROR("Failed to open manual due to error: %s", ex.what());
return false;
} catch (...) {
D_LOG_ERROR("Failed to open manual due to unknown error.", "");
return false;
}
#endif
std::shared_ptr<shader_factory> _source_shader_factory_instance = nullptr;
void streamfx::source::shader::shader_factory::initialize()
try {
if (!_source_shader_factory_instance)
_source_shader_factory_instance = std::make_shared<shader_factory>();
} catch (const std::exception& ex) {
D_LOG_ERROR("Failed to initialize due to error: %s", ex.what());
} catch (...) {
D_LOG_ERROR("Failed to initialize due to unknown error.", "");
}
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;
}