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https://github.com/Xaymar/obs-StreamFX
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gfx-shader: Initial code
This commit is contained in:
Michael Fabian 'Xaymar' Dirks
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2 changed files with 336 additions and 1365 deletions
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@ -16,19 +16,13 @@
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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 <limits>
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#include <filesystem>
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#include <list>
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#include <map>
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#include <memory>
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#include <random>
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#include <string>
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#include <utility>
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#include <vector>
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#include "gfx-source-texture.hpp"
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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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#include "obs/gs/gs-mipmapper.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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#include "obs/gs/gs-vertexbuffer.hpp"
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// OBS
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extern "C" {
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@ -43,281 +37,82 @@ extern "C" {
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#endif
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}
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#define S_SHADER_FILE "Shader.File"
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#define S_SHADER_TECHNIQUE "Shader.Technique"
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namespace gfx {
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namespace effect_source {
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/* enum class value_mode {
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INPUT,
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SLIDER,
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};
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enum class string_mode {
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TEXT,
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MULTILINE,
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PASSWORD,
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};
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enum class texture_mode {
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FILE,
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SOURCE,
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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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class effect_source;
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class parameter {
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protected:
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std::weak_ptr<gfx::effect_source::effect_source> _parent;
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std::shared_ptr<gs::effect> _effect;
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std::shared_ptr<gs::effect_parameter> _param;
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std::string _name;
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std::string _visible_name;
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std::string _description;
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std::string _formulae;
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bool _visible;
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public:
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parameter(std::shared_ptr<gfx::effect_source::effect_source> parent, std::shared_ptr<gs::effect> effect,
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std::shared_ptr<gs::effect_parameter> param);
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virtual ~parameter();
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virtual void defaults(obs_properties_t* props, obs_data_t* data) = 0;
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virtual void properties(obs_properties_t* props) = 0;
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virtual void remove_properties(obs_properties_t* props) = 0;
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virtual void update(obs_data_t* data) = 0;
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virtual void tick(float_t time) = 0;
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virtual void prepare() = 0;
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virtual void assign() = 0;
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std::shared_ptr<gs::effect_parameter> get_param();
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virtual void enum_active_sources(obs_source_enum_proc_t, void*){};
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public:
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static std::shared_ptr<gfx::effect_source::parameter>
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create(std::shared_ptr<gfx::effect_source::effect_source> parent, std::shared_ptr<gs::effect> effect,
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std::shared_ptr<gs::effect_parameter> param);
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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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class bool_parameter : public parameter {
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bool _value;
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class shader {
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obs_source_t* _self;
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public:
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bool_parameter(std::shared_ptr<gfx::effect_source::effect_source> parent,
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std::shared_ptr<gs::effect> effect, std::shared_ptr<gs::effect_parameter> param);
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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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std::shared_ptr<gs::texture> _input_a;
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std::shared_ptr<gs::texture> _input_b;
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virtual void defaults(obs_properties_t* props, obs_data_t* data) override;
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virtual void properties(obs_properties_t* props) override;
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virtual void remove_properties(obs_properties_t* props) override;
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virtual void update(obs_data_t* data) override;
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virtual void tick(float_t time) override;
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virtual void prepare() override;
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virtual void assign() override;
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};
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class value_parameter : public parameter {
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union {
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float_t f[4];
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int32_t i[4];
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} _value;
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union {
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float_t f[4];
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int32_t i[4];
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} _minimum;
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union {
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float_t f[4];
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int32_t i[4];
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} _maximum;
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union {
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float_t f[4];
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int32_t i[4];
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} _step;
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value_mode _mode = value_mode::INPUT;
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struct {
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std::string name[4];
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std::string visible_name[4];
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} _cache;
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public:
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value_parameter(std::shared_ptr<gfx::effect_source::effect_source> parent,
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std::shared_ptr<gs::effect> effect, std::shared_ptr<gs::effect_parameter> param);
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virtual void defaults(obs_properties_t* props, obs_data_t* data) override;
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virtual void properties(obs_properties_t* props) override;
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virtual void remove_properties(obs_properties_t* props) override;
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virtual void update(obs_data_t* data) override;
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virtual void tick(float_t time) override;
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virtual void prepare() override;
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virtual void assign() override;
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};
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class matrix_parameter : public parameter {
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matrix4 _value;
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matrix4 _minimum;
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matrix4 _maximum;
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matrix4 _step;
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value_mode _mode = value_mode::INPUT;
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struct {
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std::string name[16];
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std::string visible_name[16];
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} _cache;
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public:
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matrix_parameter(std::shared_ptr<gfx::effect_source::effect_source> parent,
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std::shared_ptr<gs::effect> effect, std::shared_ptr<gs::effect_parameter> param);
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virtual void defaults(obs_properties_t* props, obs_data_t* data) override;
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virtual void properties(obs_properties_t* props) override;
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virtual void remove_properties(obs_properties_t* props) override;
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virtual void update(obs_data_t* data) override;
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virtual void tick(float_t time) override;
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virtual void prepare() override;
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virtual void assign() override;
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};
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class string_parameter : public parameter {
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std::string _value;
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string_mode _mode = string_mode::TEXT;
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public:
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string_parameter(std::shared_ptr<gfx::effect_source::effect_source> parent,
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std::shared_ptr<gs::effect> effect, std::shared_ptr<gs::effect_parameter> param);
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virtual void defaults(obs_properties_t* props, obs_data_t* data) override;
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virtual void properties(obs_properties_t* props) override;
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virtual void remove_properties(obs_properties_t* props) override;
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virtual void update(obs_data_t* data) override;
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virtual void tick(float_t time) override;
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virtual void prepare() override;
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virtual void assign() override;
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};
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class texture_parameter : public parameter {
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std::string _file_name;
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std::shared_ptr<gs::texture> _file;
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float_t _last_check;
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size_t _last_size;
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time_t _last_modify_time;
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time_t _last_create_time;
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std::string _source_name;
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std::shared_ptr<obs::source> _source;
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std::shared_ptr<gfx::source_texture> _source_renderer;
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std::shared_ptr<gs::texture> _source_tex;
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texture_mode _mode = texture_mode::FILE;
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struct {
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std::string name[4];
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std::string visible_name[4];
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} _cache;
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void load_texture(std::string file);
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public:
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texture_parameter(std::shared_ptr<gfx::effect_source::effect_source> parent,
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std::shared_ptr<gs::effect> effect, std::shared_ptr<gs::effect_parameter> param);
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bool modified2(obs_properties_t* props, obs_property_t* property, obs_data_t* settings);
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virtual void defaults(obs_properties_t* props, obs_data_t* data) override;
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virtual void properties(obs_properties_t* props) override;
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virtual void remove_properties(obs_properties_t* props) override;
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virtual void update(obs_data_t* data) override;
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virtual void tick(float_t time) override;
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virtual void prepare() override;
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virtual void assign() override;
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virtual void enum_active_sources(obs_source_enum_proc_t, void*) override;
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};
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typedef std::pair<gs::effect_parameter::type, std::string> param_ident_t;
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typedef std::function<bool(std::shared_ptr<gs::effect_parameter> param)> valid_property_cb_t;
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typedef std::function<void(std::shared_ptr<gs::effect> effect)> param_override_cb_t;
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*/
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class effect_source {
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// Shader
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std::string _source_file;
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std::shared_ptr<gs::effect> _effect;
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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::string _file;
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std::shared_ptr<gs::effect> _effect;
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std::string _tech;
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std::map<param_ident_t, std::shared_ptr<parameter>> _params;
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// Shader Params
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std::map<std::string, std::shared_ptr<parameter>> _shader_params;
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std::shared_ptr<gs::vertex_buffer> _tri;
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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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float_t _last_check;
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size_t _last_size;
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time_t _last_modify_time;
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time_t _last_create_time;
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float_t _time;
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float_t _time_active;
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float_t _time_since_last_tick;
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std::uniform_real_distribution<float_t> _random_dist{0.f, 1.f};
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std::default_random_engine _random_generator;
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void load_file(std::string file);
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// Cache
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float_t _time;
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std::mt19937_64 _random;
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std::list<std::string> _string_cache;
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public:
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effect_source(obs_source_t* self);
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~effect_source();
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shader(obs_source_t* self, shader_mode mode);
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~shader();
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void load_shader(std::filesystem::path file);
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void load_shader_params();
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void properties(obs_properties_t* props);
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bool on_shader_changed(obs_properties_t* props, obs_property_t* prop, obs_data_t* data);
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bool on_technique_changed(obs_properties_t* props, obs_property_t* prop, obs_data_t* data);
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void update_shader(obs_data_t* data);
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void update_technique(obs_data_t* data);
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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 render(bool is_matrix_valid = false);
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void render();
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obs_source_t* get_self();
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public:
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void set_size(uint32_t w, uint32_t h);
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void enum_active_sources(obs_source_enum_proc_t, void*);
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void set_input_a(std::shared_ptr<gs::texture> tex);
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bool modified2(obs_properties_t* props, obs_property_t* property, obs_data_t* settings);
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void set_input_b(std::shared_ptr<gs::texture> tex);
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};
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} // namespace effect_source
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} // namespace shader
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} // namespace gfx
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