mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-12-05 01:27:26 +00:00
178 lines
5.7 KiB
C++
178 lines
5.7 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2017 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "filter-displacement.hpp"
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#include "strings.hpp"
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#include <stdexcept>
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#include <sys/stat.h>
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#include "obs/gs/gs-helper.hpp"
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#define ST "Filter.Displacement"
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#define ST_FILE "Filter.Displacement.File"
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#define ST_SCALE "Filter.Displacement.Scale"
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#define ST_SCALE_TYPE "Filter.Displacement.Scale.Type"
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using namespace streamfx::filter::displacement;
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displacement_instance::displacement_instance(obs_data_t* data, obs_source_t* context)
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: obs::source_instance(data, context)
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{
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_effect = gs::effect::create(streamfx::data_file_path("effects/displace.effect").u8string());
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update(data);
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}
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displacement_instance::~displacement_instance()
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{
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_texture.reset();
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}
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void displacement_instance::load(obs_data_t* settings)
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{
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update(settings);
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}
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void displacement_instance::migrate(obs_data_t* data, uint64_t version)
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{
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switch (version & STREAMFX_MASK_COMPAT) {
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case 0:
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obs_data_set_double(data, ST_SCALE, obs_data_get_double(data, "Filter.Displacement.Scale") * 0.5);
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obs_data_set_double(data, ST_SCALE_TYPE, obs_data_get_double(data, "Filter.Displacement.Ratio") * 100.0);
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obs_data_unset_user_value(data, "Filter.Displacement.Ratio");
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case STREAMFX_MAKE_VERSION(0, 8, 0, 0):
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break;
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}
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}
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void displacement_instance::update(obs_data_t* settings)
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{
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_scale[0] = _scale[1] = static_cast<float_t>(obs_data_get_double(settings, ST_SCALE));
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_scale_type = static_cast<float_t>(obs_data_get_double(settings, ST_SCALE_TYPE) / 100.0);
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std::string new_file = obs_data_get_string(settings, ST_FILE);
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if (new_file != _texture_file) {
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try {
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_texture = std::make_shared<gs::texture>(new_file);
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_texture_file = new_file;
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} catch (...) {
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_texture.reset();
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}
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}
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}
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void displacement_instance::video_tick(float_t)
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{
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_width = obs_source_get_base_width(_self);
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_height = obs_source_get_base_height(_self);
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}
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void displacement_instance::video_render(gs_effect_t*)
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{
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if (!_texture) { // No displacement map, so just skip us for now.
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obs_source_skip_video_filter(_self);
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return;
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}
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#ifdef ENABLE_PROFILING
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gs::debug_marker gdmp{gs::debug_color_source, "Displacement Mapping '%s' on '%s'", obs_source_get_name(_self),
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obs_source_get_name(obs_filter_get_parent(_self))};
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#endif
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if (!obs_source_process_filter_begin(_self, GS_RGBA, OBS_ALLOW_DIRECT_RENDERING)) {
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obs_source_skip_video_filter(_self);
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return;
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}
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_effect.get_parameter("image_size").set_float2(static_cast<float_t>(_width), static_cast<float_t>(_height));
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_effect.get_parameter("image_inverse_size")
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.set_float2(static_cast<float_t>(1.0 / _width), static_cast<float_t>(1.0 / _height));
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_effect.get_parameter("normal").set_texture(_texture->get_object());
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_effect.get_parameter("scale").set_float2(_scale[0], _scale[1]);
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_effect.get_parameter("scale_type").set_float(_scale_type);
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obs_source_process_filter_end(_self, _effect.get_object(), _width, _height);
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}
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std::string displacement_instance::get_file()
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{
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return _texture_file;
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}
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displacement_factory::displacement_factory()
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{
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_info.id = PREFIX "filter-displacement";
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_info.type = OBS_SOURCE_TYPE_FILTER;
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_info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW | OBS_SOURCE_DEPRECATED | OBS_SOURCE_CAP_DISABLED;
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set_resolution_enabled(false);
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finish_setup();
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register_proxy("obs-stream-effects-filter-displacement");
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}
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displacement_factory::~displacement_factory() {}
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const char* displacement_factory::get_name()
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{
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return D_TRANSLATE(ST);
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}
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void displacement_factory::get_defaults2(obs_data_t* data)
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{
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obs_data_set_default_string(data, ST_FILE,
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streamfx::data_file_path("examples/normal-maps/neutral.png").u8string().c_str());
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obs_data_set_default_double(data, ST_SCALE, 0.0);
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obs_data_set_default_double(data, ST_SCALE_TYPE, 0.0);
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}
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obs_properties_t* displacement_factory::get_properties2(displacement_instance* data)
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{
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obs_properties_t* pr = obs_properties_create();
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std::string path = "";
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if (data) {
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path = data->get_file();
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} else {
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path = streamfx::data_file_path("examples/normal-maps/neutral.png").u8string();
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}
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obs_properties_add_path(pr, ST_FILE, D_TRANSLATE(ST_FILE), obs_path_type::OBS_PATH_FILE,
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D_TRANSLATE(S_FILEFILTERS_TEXTURE), path.c_str());
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obs_properties_add_float(pr, ST_SCALE, D_TRANSLATE(ST_SCALE), -10000000.0, 10000000.0, 0.01);
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obs_properties_add_float_slider(pr, ST_SCALE_TYPE, D_TRANSLATE(ST_SCALE_TYPE), 0.0, 100.0, 0.01);
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return pr;
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}
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std::shared_ptr<displacement_factory> _filter_displacement_factory_instance = nullptr;
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void streamfx::filter::displacement::displacement_factory::initialize()
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{
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if (!_filter_displacement_factory_instance)
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_filter_displacement_factory_instance = std::make_shared<displacement_factory>();
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}
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void streamfx::filter::displacement::displacement_factory::finalize()
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{
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_filter_displacement_factory_instance.reset();
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}
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std::shared_ptr<displacement_factory> streamfx::filter::displacement::displacement_factory::get()
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{
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return _filter_displacement_factory_instance;
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}
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