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https://github.com/Xaymar/obs-StreamFX
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68a8fb9224
Box Blur is a prime candidate for Linear optimizations, and as such reducing the total necessary samples by about half. However due to the reduction in samples, only Area and Directional Blur are supported. Related: #45, #6
129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
// Modern effects for a modern Streamer
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// Copyright (C) 2019 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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#pragma once
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#include <cinttypes>
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#include <memory>
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#include <mutex>
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#include "gfx-blur-base.hpp"
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#include "obs/gs/gs-effect.hpp"
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#include "obs/gs/gs-rendertarget.hpp"
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#include "obs/gs/gs-texture.hpp"
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namespace gfx {
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namespace blur {
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class box_linear_data {
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std::shared_ptr<::gs::effect> m_effect;
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public:
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box_linear_data();
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~box_linear_data();
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std::shared_ptr<::gs::effect> get_effect();
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};
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class box_linear_factory : public ::gfx::blur::ifactory {
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std::mutex m_data_lock;
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std::weak_ptr<::gfx::blur::box_linear_data> m_data;
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public:
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box_linear_factory();
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virtual ~box_linear_factory();
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virtual bool is_type_supported(::gfx::blur::type type) override;
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virtual std::shared_ptr<::gfx::blur::ibase> create(::gfx::blur::type type) override;
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virtual double_t get_min_size(::gfx::blur::type type) override;
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virtual double_t get_step_size(::gfx::blur::type type) override;
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virtual double_t get_max_size(::gfx::blur::type type) override;
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virtual double_t get_min_angle(::gfx::blur::type type) override;
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virtual double_t get_step_angle(::gfx::blur::type type) override;
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virtual double_t get_max_angle(::gfx::blur::type type) override;
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virtual bool is_step_scale_supported(::gfx::blur::type type) override;
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virtual double_t get_min_step_scale_x(::gfx::blur::type type) override;
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virtual double_t get_step_step_scale_x(::gfx::blur::type type) override;
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virtual double_t get_max_step_scale_x(::gfx::blur::type type) override;
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virtual double_t get_min_step_scale_y(::gfx::blur::type type) override;
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virtual double_t get_step_step_scale_y(::gfx::blur::type type) override;
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virtual double_t get_max_step_scale_y(::gfx::blur::type type) override;
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std::shared_ptr<::gfx::blur::box_linear_data> data();
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public: // Singleton
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static ::gfx::blur::box_linear_factory& get();
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};
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class box_linear : public ::gfx::blur::ibase {
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protected:
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std::shared_ptr<::gfx::blur::box_linear_data> m_data;
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double_t m_size;
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std::pair<double_t, double_t> m_step_scale;
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std::shared_ptr<::gs::texture> m_input_texture;
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std::shared_ptr<::gs::rendertarget> m_rendertarget;
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private:
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std::shared_ptr<::gs::rendertarget> m_rendertarget2;
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public:
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box_linear();
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~box_linear();
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virtual void set_input(std::shared_ptr<::gs::texture> texture) override;
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virtual ::gfx::blur::type get_type() override;
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virtual double_t get_size() override;
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virtual void set_size(double_t width) override;
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virtual void set_step_scale(double_t x, double_t y) override;
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virtual void get_step_scale(double_t& x, double_t& y) override;
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virtual double_t get_step_scale_x() override;
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virtual double_t get_step_scale_y() override;
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virtual std::shared_ptr<::gs::texture> render() override;
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virtual std::shared_ptr<::gs::texture> get() override;
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};
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class box_linear_directional : public ::gfx::blur::box_linear, public ::gfx::blur::ibase_angle {
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double_t m_angle;
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public:
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box_linear_directional();
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virtual ::gfx::blur::type get_type() override;
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virtual double_t get_angle() override;
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virtual void set_angle(double_t angle) override;
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virtual std::shared_ptr<::gs::texture> render() override;
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};
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} // namespace blur
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} // namespace gfx
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