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obs-StreamFX/source/filters/filter-sdf-effects.cpp
Michael Fabian 'Xaymar' Dirks c59ec2511b filter-sdf-effects: Refactor to include Glow and Stroke (#2, #4) 
This refactors the SDF Effects to use a normal blend function instead of doing the blend in the effect itself, improving quality and reducing problematic sampling issues. In addition to this, the effect files have been cleaned up slightly and renamed to their proper names. Glow and Stroke are now supported, which solves both #2 and #4 in one go.

The caching optimization has also now been implemented, reducing the number of renders for this filter to 1 for each tick.
2019-04-14 14:19:59 +02:00

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/*
* Modern effects for a modern Streamer
* Copyright (C) 2017-2018 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 "filter-sdf-effects.hpp"
#include "obs/gs/gs-helper.hpp"
#include "strings.hpp"
#define LOG_PREFIX "<filter-sdf-effects> "
// Translation Strings
#define SOURCE_NAME "Filter.SDFEffects"
#define P_SHADOW_INNER "Filter.SDFEffects.Shadow.Inner"
#define P_SHADOW_INNER_RANGE_MINIMUM "Filter.SDFEffects.Shadow.Inner.Range.Minimum"
#define P_SHADOW_INNER_RANGE_MAXIMUM "Filter.SDFEffects.Shadow.Inner.Range.Maximum"
#define P_SHADOW_INNER_OFFSET_X "Filter.SDFEffects.Shadow.Inner.Offset.X"
#define P_SHADOW_INNER_OFFSET_Y "Filter.SDFEffects.Shadow.Inner.Offset.Y"
#define P_SHADOW_INNER_COLOR "Filter.SDFEffects.Shadow.Inner.Color"
#define P_SHADOW_INNER_ALPHA "Filter.SDFEffects.Shadow.Inner.Alpha"
#define P_SHADOW_OUTER "Filter.SDFEffects.Shadow.Outer"
#define P_SHADOW_OUTER_RANGE_MINIMUM "Filter.SDFEffects.Shadow.Outer.Range.Minimum"
#define P_SHADOW_OUTER_RANGE_MAXIMUM "Filter.SDFEffects.Shadow.Outer.Range.Maximum"
#define P_SHADOW_OUTER_OFFSET_X "Filter.SDFEffects.Shadow.Outer.Offset.X"
#define P_SHADOW_OUTER_OFFSET_Y "Filter.SDFEffects.Shadow.Outer.Offset.Y"
#define P_SHADOW_OUTER_COLOR "Filter.SDFEffects.Shadow.Outer.Color"
#define P_SHADOW_OUTER_ALPHA "Filter.SDFEffects.Shadow.Outer.Alpha"
#define P_GLOW_INNER "Filter.SDFEffects.Glow.Inner"
#define P_GLOW_INNER_COLOR "Filter.SDFEffects.Glow.Inner.Color"
#define P_GLOW_INNER_ALPHA "Filter.SDFEffects.Glow.Inner.Alpha"
#define P_GLOW_INNER_WIDTH "Filter.SDFEffects.Glow.Inner.Width"
#define P_GLOW_INNER_SHARPNESS "Filter.SDFEffects.Glow.Inner.Sharpness"
#define P_GLOW_OUTER "Filter.SDFEffects.Glow.Outer"
#define P_GLOW_OUTER_COLOR "Filter.SDFEffects.Glow.Outer.Color"
#define P_GLOW_OUTER_ALPHA "Filter.SDFEffects.Glow.Outer.Alpha"
#define P_GLOW_OUTER_WIDTH "Filter.SDFEffects.Glow.Outer.Width"
#define P_GLOW_OUTER_SHARPNESS "Filter.SDFEffects.Glow.Outer.Sharpness"
#define P_OUTLINE "Filter.SDFEffects.Outline"
#define P_OUTLINE_COLOR "Filter.SDFEffects.Outline.Color"
#define P_OUTLINE_ALPHA "Filter.SDFEffects.Outline.Alpha"
#define P_OUTLINE_WIDTH "Filter.SDFEffects.Outline.Width"
#define P_OUTLINE_OFFSET "Filter.SDFEffects.Outline.Offset"
#define P_OUTLINE_SHARPNESS "Filter.SDFEffects.Outline.Sharpness"
#define P_SDF_SCALE "Filter.SDFEffects.SDF.Scale"
#define P_SDF_THRESHOLD "Filter.SDFEffects.SDF.Threshold"
// Initializer & Finalizer
INITIALIZER(filterShadowFactoryInitializer)
{
initializerFunctions.push_back([] { filter::sdf_effects::sdf_effects_factory::initialize(); });
finalizerFunctions.push_back([] { filter::sdf_effects::sdf_effects_factory::finalize(); });
}
static std::shared_ptr<filter::sdf_effects::sdf_effects_factory> factory_instance = nullptr;
void filter::sdf_effects::sdf_effects_factory::initialize()
{
factory_instance = std::make_shared<filter::sdf_effects::sdf_effects_factory>();
}
void filter::sdf_effects::sdf_effects_factory::finalize()
{
factory_instance.reset();
}
std::shared_ptr<filter::sdf_effects::sdf_effects_factory> filter::sdf_effects::sdf_effects_factory::get()
{
return factory_instance;
}
filter::sdf_effects::sdf_effects_factory::sdf_effects_factory()
{
memset(&source_info, 0, sizeof(obs_source_info));
source_info.id = "obs-stream-effects-filter-sdf-effects";
source_info.type = OBS_SOURCE_TYPE_FILTER;
source_info.output_flags = OBS_SOURCE_VIDEO;
source_info.get_name = get_name;
source_info.get_defaults = get_defaults;
source_info.get_properties = get_properties;
source_info.create = create;
source_info.destroy = destroy;
source_info.update = update;
source_info.activate = activate;
source_info.deactivate = deactivate;
source_info.video_tick = video_tick;
source_info.video_render = video_render;
obs_register_source(&source_info);
}
filter::sdf_effects::sdf_effects_factory::~sdf_effects_factory() {}
void filter::sdf_effects::sdf_effects_factory::on_list_fill()
{
auto gctx = gs::context();
std::pair<const char*, std::shared_ptr<gs::effect>&> load_arr[] = {
{"effects/sdf/sdf-producer.effect", this->sdf_producer_effect},
{"effects/sdf/sdf-consumer.effect", this->sdf_consumer_effect},
};
for (auto& kv : load_arr) {
char* path = obs_module_file(kv.first);
if (!path) {
P_LOG_ERROR(LOG_PREFIX "Unable to load effect '%s' as file is missing or locked.", kv.first);
continue;
}
try {
kv.second = std::make_shared<gs::effect>(path);
} catch (std::exception ex) {
P_LOG_ERROR(LOG_PREFIX "Failed to load effect '%s' (located at '%s') with error(s): %s", kv.first, path,
ex.what());
}
bfree(path);
}
}
void filter::sdf_effects::sdf_effects_factory::on_list_empty()
{
this->sdf_producer_effect.reset();
this->sdf_consumer_effect.reset();
}
void* filter::sdf_effects::sdf_effects_factory::create(obs_data_t* data, obs_source_t* parent)
{
if (get()->sources.empty()) {
get()->on_list_fill();
}
filter::sdf_effects::sdf_effects_instance* ptr = new filter::sdf_effects::sdf_effects_instance(data, parent);
get()->sources.push_back(ptr);
return ptr;
}
void filter::sdf_effects::sdf_effects_factory::destroy(void* inptr)
{
filter::sdf_effects::sdf_effects_instance* ptr =
reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr);
get()->sources.remove(ptr);
if (get()->sources.empty()) {
get()->on_list_empty();
}
delete ptr;
}
void filter::sdf_effects::sdf_effects_factory::get_defaults(obs_data_t* data)
{
obs_data_set_default_bool(data, P_SHADOW_OUTER, false);
obs_data_set_default_int(data, P_SHADOW_OUTER_COLOR, 0x00000000);
obs_data_set_default_double(data, P_SHADOW_OUTER_ALPHA, 100.0);
obs_data_set_default_double(data, P_SHADOW_OUTER_RANGE_MINIMUM, 0.0);
obs_data_set_default_double(data, P_SHADOW_OUTER_RANGE_MAXIMUM, 4.0);
obs_data_set_default_double(data, P_SHADOW_OUTER_OFFSET_X, 0.0);
obs_data_set_default_double(data, P_SHADOW_OUTER_OFFSET_Y, 0.0);
obs_data_set_default_bool(data, P_SHADOW_INNER, false);
obs_data_set_default_int(data, P_SHADOW_INNER_COLOR, 0x00000000);
obs_data_set_default_double(data, P_SHADOW_INNER_ALPHA, 100.0);
obs_data_set_default_double(data, P_SHADOW_INNER_RANGE_MINIMUM, 0.0);
obs_data_set_default_double(data, P_SHADOW_INNER_RANGE_MAXIMUM, 4.0);
obs_data_set_default_double(data, P_SHADOW_INNER_OFFSET_X, 0.0);
obs_data_set_default_double(data, P_SHADOW_INNER_OFFSET_Y, 0.0);
obs_data_set_default_bool(data, P_GLOW_OUTER, false);
obs_data_set_default_int(data, P_GLOW_OUTER_COLOR, 0xFFFFFFFF);
obs_data_set_default_double(data, P_GLOW_OUTER_ALPHA, 100.0);
obs_data_set_default_double(data, P_GLOW_OUTER_WIDTH, 4.0);
obs_data_set_default_double(data, P_GLOW_OUTER_SHARPNESS, 50.0);
obs_data_set_default_bool(data, P_GLOW_INNER, false);
obs_data_set_default_int(data, P_GLOW_INNER_COLOR, 0xFFFFFFFF);
obs_data_set_default_double(data, P_GLOW_INNER_ALPHA, 100.0);
obs_data_set_default_double(data, P_GLOW_INNER_WIDTH, 4.0);
obs_data_set_default_double(data, P_GLOW_INNER_SHARPNESS, 50.0);
obs_data_set_default_bool(data, P_OUTLINE, false);
obs_data_set_default_int(data, P_OUTLINE_COLOR, 0x00000000);
obs_data_set_default_double(data, P_OUTLINE_ALPHA, 100.0);
obs_data_set_default_double(data, P_OUTLINE_WIDTH, 4.0);
obs_data_set_default_double(data, P_OUTLINE_OFFSET, 0.0);
obs_data_set_default_double(data, P_OUTLINE_SHARPNESS, 50.0);
obs_data_set_default_bool(data, S_ADVANCED, false);
obs_data_set_default_double(data, P_SDF_SCALE, 100.0);
obs_data_set_default_double(data, P_SDF_THRESHOLD, 50.0);
}
obs_properties_t* filter::sdf_effects::sdf_effects_factory::get_properties(void* inptr)
{
return reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr)->get_properties();
}
void filter::sdf_effects::sdf_effects_factory::update(void* inptr, obs_data_t* settings)
{
reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr)->update(settings);
}
const char* filter::sdf_effects::sdf_effects_factory::get_name(void*)
{
return P_TRANSLATE(SOURCE_NAME);
}
uint32_t filter::sdf_effects::sdf_effects_factory::get_width(void* inptr)
{
return reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr)->get_width();
}
uint32_t filter::sdf_effects::sdf_effects_factory::get_height(void* inptr)
{
return reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr)->get_height();
}
void filter::sdf_effects::sdf_effects_factory::activate(void* inptr)
{
reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr)->activate();
}
void filter::sdf_effects::sdf_effects_factory::deactivate(void* inptr)
{
reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr)->deactivate();
}
void filter::sdf_effects::sdf_effects_factory::video_tick(void* inptr, float delta)
{
reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr)->video_tick(delta);
}
void filter::sdf_effects::sdf_effects_factory::video_render(void* inptr, gs_effect_t* effect)
{
reinterpret_cast<filter::sdf_effects::sdf_effects_instance*>(inptr)->video_render(effect);
}
std::shared_ptr<gs::effect> filter::sdf_effects::sdf_effects_factory::get_sdf_producer_effect()
{
return this->sdf_producer_effect;
}
std::shared_ptr<gs::effect> filter::sdf_effects::sdf_effects_factory::get_sdf_consumer_effect()
{
return this->sdf_consumer_effect;
}
bool filter::sdf_effects::sdf_effects_instance::cb_modified_shadow_inside(void*, obs_properties_t* props, obs_property*,
obs_data_t* settings)
{
bool v = obs_data_get_bool(settings, P_SHADOW_INNER);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_INNER_RANGE_MINIMUM), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_INNER_RANGE_MAXIMUM), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_INNER_OFFSET_X), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_INNER_OFFSET_Y), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_INNER_COLOR), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_INNER_ALPHA), v);
return true;
}
bool filter::sdf_effects::sdf_effects_instance::cb_modified_shadow_outside(void*, obs_properties_t* props,
obs_property*, obs_data_t* settings)
{
bool v = obs_data_get_bool(settings, P_SHADOW_OUTER);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_OUTER_RANGE_MINIMUM), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_OUTER_RANGE_MAXIMUM), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_OUTER_OFFSET_X), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_OUTER_OFFSET_Y), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_OUTER_COLOR), v);
obs_property_set_visible(obs_properties_get(props, P_SHADOW_OUTER_ALPHA), v);
return true;
}
bool filter::sdf_effects::sdf_effects_instance::cb_modified_glow_inside(void*, obs_properties_t* props, obs_property*,
obs_data_t* settings)
{
bool v = obs_data_get_bool(settings, P_GLOW_INNER);
obs_property_set_visible(obs_properties_get(props, P_GLOW_INNER_COLOR), v);
obs_property_set_visible(obs_properties_get(props, P_GLOW_INNER_ALPHA), v);
obs_property_set_visible(obs_properties_get(props, P_GLOW_INNER_WIDTH), v);
obs_property_set_visible(obs_properties_get(props, P_GLOW_INNER_SHARPNESS), v);
return true;
}
bool filter::sdf_effects::sdf_effects_instance::cb_modified_glow_outside(void*, obs_properties_t* props, obs_property*,
obs_data_t* settings)
{
bool v = obs_data_get_bool(settings, P_GLOW_OUTER);
obs_property_set_visible(obs_properties_get(props, P_GLOW_OUTER_COLOR), v);
obs_property_set_visible(obs_properties_get(props, P_GLOW_OUTER_ALPHA), v);
obs_property_set_visible(obs_properties_get(props, P_GLOW_OUTER_WIDTH), v);
obs_property_set_visible(obs_properties_get(props, P_GLOW_OUTER_SHARPNESS), v);
return true;
}
bool filter::sdf_effects::sdf_effects_instance::cb_modified_outline(void*, obs_properties_t* props, obs_property*,
obs_data_t* settings)
{
bool v = obs_data_get_bool(settings, P_OUTLINE);
obs_property_set_visible(obs_properties_get(props, P_OUTLINE_COLOR), v);
obs_property_set_visible(obs_properties_get(props, P_OUTLINE_ALPHA), v);
obs_property_set_visible(obs_properties_get(props, P_OUTLINE_WIDTH), v);
obs_property_set_visible(obs_properties_get(props, P_OUTLINE_OFFSET), v);
obs_property_set_visible(obs_properties_get(props, P_OUTLINE_SHARPNESS), v);
return true;
}
bool filter::sdf_effects::sdf_effects_instance::cb_modified_advanced(void*, obs_properties_t* props, obs_property*,
obs_data_t* settings)
{
bool show_advanced = obs_data_get_bool(settings, S_ADVANCED);
obs_property_set_visible(obs_properties_get(props, P_SDF_SCALE), show_advanced);
obs_property_set_visible(obs_properties_get(props, P_SDF_THRESHOLD), show_advanced);
return true;
}
filter::sdf_effects::sdf_effects_instance::sdf_effects_instance(obs_data_t* settings, obs_source_t* self)
: m_self(self), m_source_rendered(false), m_sdf_scale(1.0)
{
{
auto gctx = gs::context();
vec4 transparent = {0, 0, 0, 0};
this->m_source_rt = std::make_shared<gs::rendertarget>(GS_RGBA, GS_ZS_NONE);
this->m_sdf_write = std::make_shared<gs::rendertarget>(GS_RGBA32F, GS_ZS_NONE);
this->m_sdf_read = std::make_shared<gs::rendertarget>(GS_RGBA32F, GS_ZS_NONE);
this->m_output_rt = std::make_shared<gs::rendertarget>(GS_RGBA, GS_ZS_NONE);
std::shared_ptr<gs::rendertarget> initialize_rts[] = {this->m_source_rt, this->m_sdf_write, this->m_sdf_read,
this->m_output_rt};
for (auto rt : initialize_rts) {
auto op = rt->render(1, 1);
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &transparent, 0, 0);
}
}
update(settings);
}
filter::sdf_effects::sdf_effects_instance::~sdf_effects_instance() {}
obs_properties_t* filter::sdf_effects::sdf_effects_instance::get_properties()
{
obs_properties_t* props = obs_properties_create();
obs_property_t* p = nullptr;
{
p = obs_properties_add_bool(props, P_SHADOW_OUTER, P_TRANSLATE(P_SHADOW_OUTER));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_OUTER)));
obs_property_set_modified_callback2(p, cb_modified_shadow_outside, this);
p = obs_properties_add_float_slider(props, P_SHADOW_OUTER_RANGE_MINIMUM,
P_TRANSLATE(P_SHADOW_OUTER_RANGE_MINIMUM), -16.0, 16.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_OUTER_RANGE_MINIMUM)));
p = obs_properties_add_float_slider(props, P_SHADOW_OUTER_RANGE_MAXIMUM,
P_TRANSLATE(P_SHADOW_OUTER_RANGE_MAXIMUM), -16.0, 16.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_OUTER_RANGE_MAXIMUM)));
p = obs_properties_add_float_slider(props, P_SHADOW_OUTER_OFFSET_X, P_TRANSLATE(P_SHADOW_OUTER_OFFSET_X),
-100.0, 100.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_OUTER_OFFSET_X)));
p = obs_properties_add_float_slider(props, P_SHADOW_OUTER_OFFSET_Y, P_TRANSLATE(P_SHADOW_OUTER_OFFSET_Y),
-100.0, 100.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_OUTER_OFFSET_Y)));
p = obs_properties_add_color(props, P_SHADOW_OUTER_COLOR, P_TRANSLATE(P_SHADOW_OUTER_COLOR));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_OUTER_COLOR)));
p = obs_properties_add_float_slider(props, P_SHADOW_OUTER_ALPHA, P_TRANSLATE(P_SHADOW_OUTER_ALPHA), 0.0, 100.0,
0.1);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_OUTER_ALPHA)));
}
{
p = obs_properties_add_bool(props, P_SHADOW_INNER, P_TRANSLATE(P_SHADOW_INNER));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_INNER)));
obs_property_set_modified_callback2(p, cb_modified_shadow_inside, this);
p = obs_properties_add_float_slider(props, P_SHADOW_INNER_RANGE_MINIMUM,
P_TRANSLATE(P_SHADOW_INNER_RANGE_MINIMUM), -16.0, 16.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_INNER_RANGE_MINIMUM)));
p = obs_properties_add_float_slider(props, P_SHADOW_INNER_RANGE_MAXIMUM,
P_TRANSLATE(P_SHADOW_INNER_RANGE_MAXIMUM), -16.0, 16.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_INNER_RANGE_MAXIMUM)));
p = obs_properties_add_float_slider(props, P_SHADOW_INNER_OFFSET_X, P_TRANSLATE(P_SHADOW_INNER_OFFSET_X),
-100.0, 100.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_INNER_OFFSET_X)));
p = obs_properties_add_float_slider(props, P_SHADOW_INNER_OFFSET_Y, P_TRANSLATE(P_SHADOW_INNER_OFFSET_Y),
-100.0, 100.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_INNER_OFFSET_Y)));
p = obs_properties_add_color(props, P_SHADOW_INNER_COLOR, P_TRANSLATE(P_SHADOW_INNER_COLOR));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_INNER_COLOR)));
p = obs_properties_add_float_slider(props, P_SHADOW_INNER_ALPHA, P_TRANSLATE(P_SHADOW_INNER_ALPHA), 0.0, 100.0,
0.1);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SHADOW_INNER_ALPHA)));
}
{
p = obs_properties_add_bool(props, P_GLOW_OUTER, P_TRANSLATE(P_GLOW_OUTER));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_OUTER)));
obs_property_set_modified_callback2(p, cb_modified_glow_outside, this);
p = obs_properties_add_color(props, P_GLOW_OUTER_COLOR, P_TRANSLATE(P_GLOW_OUTER_COLOR));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_OUTER_COLOR)));
p = obs_properties_add_float_slider(props, P_GLOW_OUTER_ALPHA, P_TRANSLATE(P_GLOW_OUTER_ALPHA), 0.0, 100.0,
0.1);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_OUTER_ALPHA)));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_OUTER_WIDTH)));
p = obs_properties_add_float_slider(props, P_GLOW_OUTER_WIDTH, P_TRANSLATE(P_GLOW_OUTER_WIDTH), 0.0, 16.0,
0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_OUTER_SHARPNESS)));
p = obs_properties_add_float_slider(props, P_GLOW_OUTER_SHARPNESS, P_TRANSLATE(P_GLOW_OUTER_SHARPNESS), 0.00,
100.0, 0.01);
}
{
p = obs_properties_add_bool(props, P_GLOW_INNER, P_TRANSLATE(P_GLOW_INNER));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_INNER)));
obs_property_set_modified_callback2(p, cb_modified_glow_inside, this);
p = obs_properties_add_color(props, P_GLOW_INNER_COLOR, P_TRANSLATE(P_GLOW_INNER_COLOR));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_INNER_COLOR)));
p = obs_properties_add_float_slider(props, P_GLOW_INNER_ALPHA, P_TRANSLATE(P_GLOW_INNER_ALPHA), 0.0, 100.0,
0.1);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_INNER_ALPHA)));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_INNER_WIDTH)));
p = obs_properties_add_float_slider(props, P_GLOW_INNER_WIDTH, P_TRANSLATE(P_GLOW_INNER_WIDTH), 0.0, 16.0,
0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_GLOW_INNER_SHARPNESS)));
p = obs_properties_add_float_slider(props, P_GLOW_INNER_SHARPNESS, P_TRANSLATE(P_GLOW_INNER_SHARPNESS), 0.00,
100.0, 0.01);
}
{
p = obs_properties_add_bool(props, P_OUTLINE, P_TRANSLATE(P_OUTLINE));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_OUTLINE)));
obs_property_set_modified_callback2(p, cb_modified_outline, this);
p = obs_properties_add_color(props, P_OUTLINE_COLOR, P_TRANSLATE(P_OUTLINE_COLOR));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_OUTLINE_COLOR)));
p = obs_properties_add_float_slider(props, P_OUTLINE_ALPHA, P_TRANSLATE(P_OUTLINE_ALPHA), 0.0, 100.0, 0.1);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_OUTLINE_ALPHA)));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_OUTLINE_WIDTH)));
p = obs_properties_add_float_slider(props, P_OUTLINE_WIDTH, P_TRANSLATE(P_OUTLINE_WIDTH), 0.0, 16.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_OUTLINE_OFFSET)));
p = obs_properties_add_float_slider(props, P_OUTLINE_OFFSET, P_TRANSLATE(P_OUTLINE_OFFSET), -16.0, 16.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_OUTLINE_SHARPNESS)));
p = obs_properties_add_float_slider(props, P_OUTLINE_SHARPNESS, P_TRANSLATE(P_OUTLINE_SHARPNESS), 0.00, 100.0,
0.01);
}
{
p = obs_properties_add_bool(props, S_ADVANCED, P_TRANSLATE(S_ADVANCED));
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(S_ADVANCED)));
obs_property_set_modified_callback2(p, cb_modified_advanced, this);
p = obs_properties_add_float_slider(props, P_SDF_SCALE, P_TRANSLATE(P_SDF_SCALE), 0.1, 500.0, 0.1);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SDF_SCALE)));
p = obs_properties_add_float_slider(props, P_SDF_THRESHOLD, P_TRANSLATE(P_SDF_THRESHOLD), 0.0, 100.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_SDF_THRESHOLD)));
}
return props;
}
void filter::sdf_effects::sdf_effects_instance::update(obs_data_t* data)
{
{
this->m_outer_shadow =
obs_data_get_bool(data, P_SHADOW_OUTER) && (obs_data_get_double(data, P_SHADOW_OUTER_ALPHA) >= FLT_EPSILON);
{
union {
uint32_t color;
uint8_t channel[4];
struct c {
uint8_t r, g, b, a;
} c;
};
color = uint32_t(obs_data_get_int(data, P_SHADOW_OUTER_COLOR));
this->m_outer_shadow_color.x = float_t(c.r / 255.0);
this->m_outer_shadow_color.y = float_t(c.g / 255.0);
this->m_outer_shadow_color.z = float_t(c.b / 255.0);
this->m_outer_shadow_color.w = float_t(obs_data_get_double(data, P_SHADOW_OUTER_ALPHA) / 100.0);
}
this->m_outer_shadow_range_min = float_t(obs_data_get_double(data, P_SHADOW_OUTER_RANGE_MINIMUM));
this->m_outer_shadow_range_max = float_t(obs_data_get_double(data, P_SHADOW_OUTER_RANGE_MAXIMUM));
this->m_outer_shadow_offset_x = float_t(obs_data_get_double(data, P_SHADOW_OUTER_OFFSET_X));
this->m_outer_shadow_offset_y = float_t(obs_data_get_double(data, P_SHADOW_OUTER_OFFSET_Y));
}
{
this->m_inner_shadow =
obs_data_get_bool(data, P_SHADOW_INNER) && (obs_data_get_double(data, P_SHADOW_INNER_ALPHA) >= FLT_EPSILON);
{
union {
uint32_t color;
uint8_t channel[4];
struct c {
uint8_t r, g, b, a;
} c;
};
color = uint32_t(obs_data_get_int(data, P_SHADOW_INNER_COLOR));
this->m_inner_shadow_color.x = float_t(c.r / 255.0);
this->m_inner_shadow_color.y = float_t(c.g / 255.0);
this->m_inner_shadow_color.z = float_t(c.b / 255.0);
this->m_inner_shadow_color.w = float_t(obs_data_get_double(data, P_SHADOW_INNER_ALPHA) / 100.0);
}
this->m_inner_shadow_range_min = float_t(obs_data_get_double(data, P_SHADOW_INNER_RANGE_MINIMUM));
this->m_inner_shadow_range_max = float_t(obs_data_get_double(data, P_SHADOW_INNER_RANGE_MAXIMUM));
this->m_inner_shadow_offset_x = float_t(obs_data_get_double(data, P_SHADOW_INNER_OFFSET_X));
this->m_inner_shadow_offset_y = float_t(obs_data_get_double(data, P_SHADOW_INNER_OFFSET_Y));
}
{
this->m_outer_glow =
obs_data_get_bool(data, P_GLOW_OUTER) && (obs_data_get_double(data, P_GLOW_OUTER_ALPHA) >= FLT_EPSILON);
{
union {
uint32_t color;
uint8_t channel[4];
struct c {
uint8_t r, g, b, a;
} c;
};
color = uint32_t(obs_data_get_int(data, P_GLOW_OUTER_COLOR));
this->m_outer_glow_color.x = float_t(c.r / 255.0);
this->m_outer_glow_color.y = float_t(c.g / 255.0);
this->m_outer_glow_color.z = float_t(c.b / 255.0);
this->m_outer_glow_color.w = float_t(obs_data_get_double(data, P_GLOW_OUTER_ALPHA) / 100.0);
}
this->m_outer_glow_width = float_t(obs_data_get_double(data, P_GLOW_OUTER_WIDTH));
this->m_outer_glow_sharpness = float_t(obs_data_get_double(data, P_GLOW_OUTER_SHARPNESS) / 100.0);
this->m_outer_glow_sharpness_inv = float_t(1.0f / (1.0 - this->m_outer_glow_sharpness));
if (this->m_outer_glow_sharpness >= (1.0 - FLT_EPSILON)) {
this->m_outer_glow_sharpness = 1.0 - FLT_EPSILON;
}
}
{
this->m_inner_glow =
obs_data_get_bool(data, P_GLOW_INNER) && (obs_data_get_double(data, P_GLOW_INNER_ALPHA) >= FLT_EPSILON);
{
union {
uint32_t color;
uint8_t channel[4];
struct c {
uint8_t r, g, b, a;
} c;
};
color = uint32_t(obs_data_get_int(data, P_GLOW_INNER_COLOR));
this->m_inner_glow_color.x = float_t(c.r / 255.0);
this->m_inner_glow_color.y = float_t(c.g / 255.0);
this->m_inner_glow_color.z = float_t(c.b / 255.0);
this->m_inner_glow_color.w = float_t(obs_data_get_double(data, P_GLOW_INNER_ALPHA) / 100.0);
}
this->m_inner_glow_width = float_t(obs_data_get_double(data, P_GLOW_INNER_WIDTH));
this->m_inner_glow_sharpness = float_t(obs_data_get_double(data, P_GLOW_INNER_SHARPNESS) / 100.0);
this->m_inner_glow_sharpness_inv = float_t(1.0f / (1.0 - this->m_inner_glow_sharpness));
if (this->m_inner_glow_sharpness >= (1.0 - FLT_EPSILON)) {
this->m_inner_glow_sharpness = 1.0 - FLT_EPSILON;
}
}
{
this->m_outline =
obs_data_get_bool(data, P_OUTLINE) && (obs_data_get_double(data, P_OUTLINE_ALPHA) >= FLT_EPSILON);
{
union {
uint32_t color;
uint8_t channel[4];
struct c {
uint8_t r, g, b, a;
} c;
};
color = uint32_t(obs_data_get_int(data, P_OUTLINE_COLOR));
this->m_outline_color.x = float_t(c.r / 255.0);
this->m_outline_color.y = float_t(c.g / 255.0);
this->m_outline_color.z = float_t(c.b / 255.0);
this->m_outline_color.w = float_t(obs_data_get_double(data, P_OUTLINE_ALPHA) / 100.0);
}
this->m_outline_width = float_t(obs_data_get_double(data, P_OUTLINE_WIDTH));
this->m_outline_offset = float_t(obs_data_get_double(data, P_OUTLINE_OFFSET));
this->m_outline_sharpness = float_t(obs_data_get_double(data, P_OUTLINE_SHARPNESS) / 100.0);
this->m_outline_sharpness_inv = float_t(1.0f / (1.0 - this->m_outline_sharpness));
if (this->m_outline_sharpness >= (1.0 - FLT_EPSILON)) {
this->m_outline_sharpness = 1.0 - FLT_EPSILON;
}
}
this->m_sdf_scale = double_t(obs_data_get_double(data, P_SDF_SCALE) / 100.0);
this->m_sdf_threshold = float_t(obs_data_get_double(data, P_SDF_THRESHOLD) / 100.0);
}
uint32_t filter::sdf_effects::sdf_effects_instance::get_width()
{
return uint32_t(0);
}
uint32_t filter::sdf_effects::sdf_effects_instance::get_height()
{
return uint32_t(0);
}
void filter::sdf_effects::sdf_effects_instance::activate() {}
void filter::sdf_effects::sdf_effects_instance::deactivate() {}
void filter::sdf_effects::sdf_effects_instance::video_tick(float)
{
uint32_t width = 1;
uint32_t height = 1;
// Figure out the actual source size.
do {
obs_source_t* target = obs_filter_get_target(this->m_self);
if (target == nullptr) {
break;
}
// Grab width an height of the target source (child filter or source).
width = obs_source_get_width(target);
height = obs_source_get_height(target);
} while (false);
this->m_source_rendered = false;
this->m_output_rendered = false;
}
void filter::sdf_effects::sdf_effects_instance::video_render(gs_effect_t* effect)
{
obs_source_t* parent = obs_filter_get_parent(this->m_self);
obs_source_t* target = obs_filter_get_target(this->m_self);
uint32_t baseW = obs_source_get_base_width(target);
uint32_t baseH = obs_source_get_base_height(target);
gs_effect_t* final_effect = effect ? effect : obs_get_base_effect(obs_base_effect::OBS_EFFECT_DEFAULT);
gs_effect_t* default_effect = obs_get_base_effect(obs_base_effect::OBS_EFFECT_DEFAULT);
if (!this->m_self || !parent || !target || !baseW || !baseH || !final_effect) {
obs_source_skip_video_filter(this->m_self);
return;
}
auto gctx = gs::context();
vec4 color_transparent = {0};
vec4_zero(&color_transparent);
try {
gs_blend_state_push();
gs_reset_blend_state();
gs_enable_blending(false);
gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
gs_set_cull_mode(GS_NEITHER);
gs_enable_color(true, true, true, true);
gs_enable_depth_test(false);
gs_depth_function(GS_ALWAYS);
gs_enable_stencil_test(false);
gs_enable_stencil_write(false);
gs_stencil_function(GS_STENCIL_BOTH, GS_ALWAYS);
gs_stencil_op(GS_STENCIL_BOTH, GS_ZERO, GS_ZERO, GS_ZERO);
if (!this->m_source_rendered) {
// Store input texture.
{
auto op = m_source_rt->render(baseW, baseH);
gs_ortho(0, (float)baseW, 0, (float)baseH, -1, 1);
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &color_transparent, 0, 0);
if (obs_source_process_filter_begin(this->m_self, GS_RGBA, OBS_ALLOW_DIRECT_RENDERING)) {
obs_source_process_filter_end(this->m_self, final_effect, baseW, baseH);
} else {
throw std::runtime_error("failed to process source");
}
}
this->m_source_rt->get_texture(this->m_source_texture);
if (!this->m_source_texture) {
throw std::runtime_error("failed to draw source");
}
// Generate SDF Buffers
{
this->m_sdf_read->get_texture(this->m_sdf_texture);
if (!this->m_sdf_texture) {
throw std::runtime_error("SDF Backbuffer empty");
}
std::shared_ptr<gs::effect> sdf_effect =
filter::sdf_effects::sdf_effects_factory::get()->get_sdf_producer_effect();
if (!sdf_effect) {
throw std::runtime_error("SDF Effect no loaded");
}
// Scale SDF Size
double_t sdfW, sdfH;
sdfW = baseW * m_sdf_scale;
sdfH = baseH * m_sdf_scale;
if (sdfW <= 1) {
sdfW = 1.0;
}
if (sdfH <= 1) {
sdfH = 1.0;
}
{
auto op = this->m_sdf_write->render(uint32_t(sdfW), uint32_t(sdfH));
gs_ortho(0, (float)sdfW, 0, (float)sdfH, -1, 1);
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &color_transparent, 0, 0);
sdf_effect->get_parameter("_image").set_texture(this->m_source_texture);
sdf_effect->get_parameter("_size").set_float2(float_t(sdfW), float_t(sdfH));
sdf_effect->get_parameter("_sdf").set_texture(this->m_sdf_texture);
sdf_effect->get_parameter("_threshold").set_float(this->m_sdf_threshold);
while (gs_effect_loop(sdf_effect->get_object(), "Draw")) {
gs_draw_sprite(this->m_sdf_texture->get_object(), 0, uint32_t(sdfW), uint32_t(sdfH));
}
}
std::swap(this->m_sdf_read, this->m_sdf_write);
this->m_sdf_read->get_texture(this->m_sdf_texture);
if (!this->m_sdf_texture) {
throw std::runtime_error("SDF Backbuffer empty");
}
}
this->m_source_rendered = true;
}
gs_blend_state_pop();
} catch (...) {
gs_blend_state_pop();
obs_source_skip_video_filter(this->m_self);
return;
}
if (!this->m_output_rendered) {
this->m_output_texture = this->m_source_texture;
std::shared_ptr<gs::effect> consumer_effect =
filter::sdf_effects::sdf_effects_factory::get()->get_sdf_consumer_effect();
if (!consumer_effect) {
obs_source_skip_video_filter(this->m_self);
return;
}
gs_blend_state_push();
gs_reset_blend_state();
gs_enable_color(true, true, true, true);
gs_enable_depth_test(false);
gs_set_cull_mode(GS_NEITHER);
// SDF Effects Stack:
// Normal Source
// Outer Shadow
// Inner Shadow
// Outer Glow
// Inner Glow
// Outline
{ // Normal Source
gs_enable_blending(false);
gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
auto param = gs_effect_get_param_by_name(default_effect, "image");
if (param) {
gs_effect_set_texture(param, this->m_output_texture->get_object());
}
{
auto op = this->m_output_rt->render(baseW, baseH);
gs_ortho(0, 1, 0, 1, 0, 1);
while (gs_effect_loop(default_effect, "Draw")) {
gs_draw_sprite(0, 0, 1, 1);
}
}
// Flip Buffers
m_output_rt->get_texture(this->m_output_texture);
}
if (m_outer_shadow) {
try {
gs_enable_blending(true);
gs_blend_function_separate(GS_BLEND_SRCALPHA, GS_BLEND_DSTALPHA, GS_BLEND_ONE, GS_BLEND_ONE);
consumer_effect->get_parameter("pSDFTexture").set_texture(this->m_sdf_texture);
consumer_effect->get_parameter("pSDFThreshold").set_float(this->m_sdf_threshold);
consumer_effect->get_parameter("pImageTexture").set_texture(this->m_source_texture->get_object());
consumer_effect->get_parameter("pShadowColor").set_float4(this->m_outer_shadow_color);
consumer_effect->get_parameter("pShadowMin").set_float(this->m_outer_shadow_range_min);
consumer_effect->get_parameter("pShadowMax").set_float(this->m_outer_shadow_range_max);
consumer_effect->get_parameter("pShadowOffset")
.set_float2(this->m_outer_shadow_offset_x / float_t(baseW),
this->m_outer_shadow_offset_y / float_t(baseH));
{
auto op = this->m_output_rt->render(baseW, baseH);
gs_ortho(0, 1, 0, 1, 0, 1);
while (gs_effect_loop(consumer_effect->get_object(), "ShadowOuter")) {
gs_draw_sprite(0, 0, 1, 1);
}
}
// Flip Buffers
m_output_rt->get_texture(this->m_output_texture);
} catch (...) {
}
}
if (m_inner_shadow) {
try {
gs_enable_blending(true);
gs_blend_function_separate(GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA, GS_BLEND_ONE, GS_BLEND_ONE);
consumer_effect->get_parameter("pSDFTexture").set_texture(this->m_sdf_texture);
consumer_effect->get_parameter("pSDFThreshold").set_float(this->m_sdf_threshold);
consumer_effect->get_parameter("pImageTexture").set_texture(this->m_source_texture->get_object());
consumer_effect->get_parameter("pShadowColor").set_float4(this->m_inner_shadow_color);
consumer_effect->get_parameter("pShadowMin").set_float(this->m_inner_shadow_range_min);
consumer_effect->get_parameter("pShadowMax").set_float(this->m_inner_shadow_range_max);
consumer_effect->get_parameter("pShadowOffset")
.set_float2(this->m_inner_shadow_offset_x / float_t(baseW),
this->m_inner_shadow_offset_y / float_t(baseH));
{
auto op = this->m_output_rt->render(baseW, baseH);
gs_ortho(0, 1, 0, 1, 0, 1);
while (gs_effect_loop(consumer_effect->get_object(), "ShadowInner")) {
gs_draw_sprite(0, 0, 1, 1);
}
}
// Flip Buffers
m_output_rt->get_texture(this->m_output_texture);
} catch (...) {
}
}
if (m_outer_glow) {
try {
gs_enable_blending(true);
gs_blend_function_separate(GS_BLEND_SRCALPHA, GS_BLEND_DSTALPHA, GS_BLEND_ONE, GS_BLEND_ONE);
consumer_effect->get_parameter("pSDFTexture").set_texture(this->m_sdf_texture);
consumer_effect->get_parameter("pSDFThreshold").set_float(this->m_sdf_threshold);
consumer_effect->get_parameter("pImageTexture").set_texture(this->m_source_texture->get_object());
consumer_effect->get_parameter("pGlowColor").set_float4(this->m_outer_glow_color);
consumer_effect->get_parameter("pGlowWidth").set_float(this->m_outer_glow_width);
consumer_effect->get_parameter("pGlowSharpness").set_float(this->m_outer_glow_sharpness);
consumer_effect->get_parameter("pGlowSharpnessInverse").set_float(this->m_outer_glow_sharpness_inv);
{
auto op = this->m_output_rt->render(baseW, baseH);
gs_ortho(0, 1, 0, 1, 0, 1);
while (gs_effect_loop(consumer_effect->get_object(), "GlowOuter")) {
gs_draw_sprite(0, 0, 1, 1);
}
}
// Flip Buffers
m_output_rt->get_texture(this->m_output_texture);
} catch (...) {
}
}
if (m_inner_glow) {
try {
gs_enable_blending(true);
gs_blend_function_separate(GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA, GS_BLEND_ONE, GS_BLEND_ONE);
consumer_effect->get_parameter("pSDFTexture").set_texture(this->m_sdf_texture);
consumer_effect->get_parameter("pSDFThreshold").set_float(this->m_sdf_threshold);
consumer_effect->get_parameter("pImageTexture").set_texture(this->m_source_texture->get_object());
consumer_effect->get_parameter("pGlowColor").set_float4(this->m_inner_glow_color);
consumer_effect->get_parameter("pGlowWidth").set_float(this->m_inner_glow_width);
consumer_effect->get_parameter("pGlowSharpness").set_float(this->m_inner_glow_sharpness);
consumer_effect->get_parameter("pGlowSharpnessInverse").set_float(this->m_inner_glow_sharpness_inv);
{
auto op = this->m_output_rt->render(baseW, baseH);
gs_ortho(0, 1, 0, 1, 0, 1);
while (gs_effect_loop(consumer_effect->get_object(), "GlowInner")) {
gs_draw_sprite(0, 0, 1, 1);
}
}
// Flip Buffers
m_output_rt->get_texture(this->m_output_texture);
} catch (...) {
}
}
if (m_outline) {
try {
gs_enable_blending(true);
gs_blend_function_separate(GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA, GS_BLEND_ONE, GS_BLEND_ONE);
consumer_effect->get_parameter("pSDFTexture").set_texture(this->m_sdf_texture);
consumer_effect->get_parameter("pSDFThreshold").set_float(this->m_sdf_threshold);
consumer_effect->get_parameter("pImageTexture").set_texture(this->m_source_texture->get_object());
consumer_effect->get_parameter("pOutlineColor").set_float4(this->m_outline_color);
consumer_effect->get_parameter("pOutlineWidth").set_float(this->m_outline_width);
consumer_effect->get_parameter("pOutlineOffset").set_float(this->m_outline_offset);
consumer_effect->get_parameter("pOutlineSharpness").set_float(this->m_outline_sharpness);
consumer_effect->get_parameter("pOutlineSharpnessInverse").set_float(this->m_outline_sharpness_inv);
{
auto op = this->m_output_rt->render(baseW, baseH);
gs_ortho(0, 1, 0, 1, 0, 1);
while (gs_effect_loop(consumer_effect->get_object(), "Outline")) {
gs_draw_sprite(0, 0, 1, 1);
}
}
// Flip Buffers
m_output_rt->get_texture(this->m_output_texture);
} catch (...) {
}
}
gs_blend_state_pop();
this->m_output_rendered = true;
}
gs_eparam_t* ep = gs_effect_get_param_by_name(final_effect, "image");
if (ep) {
gs_effect_set_texture(ep, this->m_output_texture->get_object());
}
while (gs_effect_loop(final_effect, "Draw")) {
gs_draw_sprite(0, 0, baseW, baseH);
}
}
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