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"
#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
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#define ST_I18N "Source.Shader"
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using namespace streamfx::source::shader;
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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()
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{
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_fx = std::make_shared<::streamfx::gfx::shader::shader>(self, ::streamfx::gfx::shader::shader_mode::Source);
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update(data);
}
shader_instance::~shader_instance() {}
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uint32_t shader_instance::get_width()
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{
return _fx->width();
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}
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
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streamfx::obs::gs::debug_marker gdmp{streamfx::obs::gs::debug_color_source, "Shader Source '%s'",
obs_source_get_name(_self)};
#endif
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_fx->prepare_render();
_fx->render(effect);
}
void streamfx::source::shader::shader_instance::show()
{
_fx->set_visible(true);
}
void streamfx::source::shader::shader_instance::hide()
{
_fx->set_visible(false);
}
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()
{
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_info.id = S_PREFIX "source-shader";
_info.type = OBS_SOURCE_TYPE_INPUT;
_info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW;
support_activity_tracking(true);
support_visibility_tracking(true);
finish_setup();
register_proxy("obs-stream-effects-source-shader");
}
shader_factory::~shader_factory() {}
const char* shader_factory::get_name()
{
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return D_TRANSLATE(ST_I18N);
}
void shader_factory::get_defaults2(obs_data_t* data)
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{
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::streamfx::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);
#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);
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}
return pr;
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}
#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;
}