obs-StreamFX/source/filters/filter-shader.cpp

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// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2019-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// Copyright (C) 2021 coolsoft.rf <coolsoft.rf@gmail.com>
// AUTOGENERATED COPYRIGHT HEADER END
#include "filter-shader.hpp"
#include "strings.hpp"
#include "obs/gs/gs-helper.hpp"
#include "util/util-logging.hpp"
#include "warning-disable.hpp"
#include <stdexcept>
#include "warning-enable.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 "<filter::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 "Filter.Shader"
using namespace streamfx::filter::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)
{
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_fx = std::make_shared<streamfx::gfx::shader::shader>(self, streamfx::gfx::shader::shader_mode::Filter);
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_rt = std::make_shared<streamfx::obs::gs::rendertarget>(GS_RGBA, GS_ZS_NONE);
update(data);
}
shader_instance::~shader_instance() {}
uint32_t shader_instance::get_width()
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{
return _fx->width();
}
uint32_t shader_instance::get_height()
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{
return _fx->height();
}
void shader_instance::properties(obs_properties_t* props)
{
_fx->properties(props);
}
void shader_instance::load(obs_data_t* data)
{
update(data);
}
void shader_instance::migrate(obs_data_t* data, uint64_t version) {}
void shader_instance::update(obs_data_t* data)
{
_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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if (obs_source_t* tgt = obs_filter_get_target(_self); tgt != nullptr) {
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_fx->set_size(obs_source_get_base_width(tgt), obs_source_get_base_height(tgt));
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} else if (obs_source* src = obs_filter_get_parent(_self); src != nullptr) {
_fx->set_size(obs_source_get_base_width(src), obs_source_get_base_height(src));
}
}
void shader_instance::video_render(gs_effect_t* effect)
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{
try {
if (!_fx || !_fx->base_width() || !_fx->base_height()) {
throw std::runtime_error("No effect, or invalid base size.");
}
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
streamfx::obs::gs::debug_marker gdmp{streamfx::obs::gs::debug_color_source, "Shader Filter '%s' on '%s'", obs_source_get_name(_self), obs_source_get_name(obs_filter_get_parent(_self))};
#endif
{
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
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streamfx::obs::gs::debug_marker gdm{streamfx::obs::gs::debug_color_source, "Cache"};
#endif
auto op = _rt->render(_fx->base_width(), _fx->base_height());
gs_ortho(0, 1, 0, 1, -1, 1);
/// Render original source
if (obs_source_process_filter_begin(_self, GS_RGBA, OBS_NO_DIRECT_RENDERING)) {
gs_blend_state_push();
gs_reset_blend_state();
gs_blend_function_separate(GS_BLEND_ONE, GS_BLEND_ZERO, GS_BLEND_SRCALPHA, GS_BLEND_ZERO);
gs_enable_blending(false);
gs_enable_depth_test(false);
gs_enable_stencil_test(false);
gs_enable_stencil_write(false);
gs_enable_color(true, true, true, true);
gs_set_cull_mode(GS_NEITHER);
obs_source_process_filter_end(_self, obs_get_base_effect(OBS_EFFECT_DEFAULT), 1, 1);
gs_blend_state_pop();
} else {
throw std::runtime_error("Failed to render previous source.");
}
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}
{
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
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streamfx::obs::gs::debug_marker gdm{streamfx::obs::gs::debug_color_render, "Render"};
#endif
_fx->prepare_render();
_fx->set_input_a(_rt->get_texture());
_fx->render(effect);
}
} catch (const std::exception& ex) {
obs_source_skip_video_filter(_self);
throw ex;
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}
}
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void streamfx::filter::shader::shader_instance::show()
{
_fx->set_visible(true);
}
void streamfx::filter::shader::shader_instance::hide()
{
_fx->set_visible(false);
}
void streamfx::filter::shader::shader_instance::activate()
{
_fx->set_active(true);
}
void streamfx::filter::shader::shader_instance::deactivate()
{
_fx->set_active(false);
}
shader_factory::shader_factory()
{
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_info.id = S_PREFIX "filter-shader";
_info.type = OBS_SOURCE_TYPE_FILTER;
_info.output_flags = OBS_SOURCE_VIDEO;
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support_activity_tracking(true);
support_visibility_tracking(true);
finish_setup();
register_proxy("obs-stream-effects-filter-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::shader_instance* data)
{
auto pr = obs_properties_create();
obs_properties_set_param(pr, data, nullptr);
#ifdef ENABLE_FRONTEND
{
auto p = obs_properties_add_button2(pr, S_MANUAL_OPEN, D_TRANSLATE(S_MANUAL_OPEN), streamfx::filter::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> _filter_shader_factory_instance = nullptr;
void streamfx::filter::shader::shader_factory::initialize()
{
try {
if (!_filter_shader_factory_instance)
_filter_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::filter::shader::shader_factory::finalize()
{
_filter_shader_factory_instance.reset();
}
std::shared_ptr<shader_factory> streamfx::filter::shader::shader_factory::get()
{
return _filter_shader_factory_instance;
}