mirror of
https://github.com/Xaymar/obs-StreamFX
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6ae9904e13
Due to render logic required for transitions, some of the render logic is split into an additional function called 'prepare_render'. Additionally the storage for some temporary objects has been removed as it these objects usually do not outlive their rendering time anyway. Related: #96 #95 #94 #5
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
// 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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#pragma once
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#include <filesystem>
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#include <list>
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#include <map>
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#include <random>
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#include <string>
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#include "gfx/shader/gfx-shader-param.hpp"
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#include "obs/gs/gs-effect.hpp"
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// OBS
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extern "C" {
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4201)
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#endif
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#include <obs.h>
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#include <util/platform.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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}
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namespace gfx {
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namespace shader {
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enum class size_type {
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Pixel,
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Percent,
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};
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enum class shader_mode {
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Source,
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Filter,
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Transition,
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};
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typedef std::map<std::string, std::shared_ptr<parameter>> shader_param_map_t;
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class shader {
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obs_source_t* _self;
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// Inputs
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shader_mode _mode;
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uint32_t _base_width;
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uint32_t _base_height;
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// Shader
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gs::effect _shader;
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std::filesystem::path _shader_file;
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std::string _shader_tech;
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std::filesystem::file_time_type _shader_file_mt;
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uintmax_t _shader_file_sz;
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float_t _shader_file_tick;
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shader_param_map_t _shader_params;
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// Options
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size_type _width_type;
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double_t _width_value;
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size_type _height_type;
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double_t _height_value;
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// Cache
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float_t _time;
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std::mt19937_64 _random;
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bool _have_current_params;
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public:
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shader(obs_source_t* self, shader_mode mode);
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~shader();
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bool is_shader_different(const std::filesystem::path& file);
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bool is_technique_different(const std::string& tech);
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bool load_shader(const std::filesystem::path& file, const std::string& tech, bool& shader_dirty,
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bool& param_dirty);
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void properties(obs_properties_t* props);
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bool on_properties_modified(obs_properties_t* props, obs_property_t* prop, obs_data_t* data);
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bool update_shader(obs_data_t* data, bool& shader_dirty, bool& param_dirty);
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void update(obs_data_t* data);
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uint32_t width();
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uint32_t height();
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bool tick(float_t time);
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void prepare_render();
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void render();
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public:
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void set_size(uint32_t w, uint32_t h);
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void set_input_a(std::shared_ptr<gs::texture> tex);
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void set_input_b(std::shared_ptr<gs::texture> tex);
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void set_transition_time(float_t t);
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void set_transition_size(uint32_t w, uint32_t h);
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};
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} // namespace shader
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} // namespace gfx
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