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filter-blur: Refactor and formatting

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* Now using a Factory and Instance approach to simplify and beautify the code at the same time.
* Additionally we now keep track of created filters and only load data if there is a filter active, and unload data if there are no more filters. This reduces memory and GPU overhead when no filter is active, but adds a first time filter creation overhead.
* Variables and functions now use snake_case.
This commit is contained in:
Michael Fabian 'Xaymar' Dirks 2018-09-30 20:50:00 +02:00
parent 354445bc81
commit 3135214a03
2 changed files with 622 additions and 543 deletions
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source/filter-blur.cpp
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@ -18,101 +18,127 @@
*/
#pragma once
#include "plugin.h"
#include "gs-helper.h"
#include "gs-effect.h"
#include "gs-texture.h"
#include <memory>
#include <list>
#include <map>
#include <memory>
#include "gs-effect.h"
#include "gs-helper.h"
#include "gs-texture.h"
#include "plugin.h"
namespace filter {
class Blur {
public:
Blur();
~Blur();
void generate_gaussian_kernels();
void generate_kernel_textures();
public:
enum Type : int64_t {
namespace blur {
enum type : int64_t {
Box,
Gaussian,
Bilateral,
};
std::shared_ptr<gs::texture> m_gaussianKernelTexture;
std::map<std::string, std::shared_ptr<gs::effect>> m_effects;
class instance {
obs_source_t* m_source;
gs_texrender_t* primary_rendertarget;
gs_texrender_t* secondary_rendertarget;
gs_texrender_t* horizontal_rendertarget;
gs_texrender_t* vertical_rendertarget;
private:
obs_source_info m_sourceInfo;
// blur
std::shared_ptr<gs::effect> blur_effect;
filter::blur::type type;
uint64_t size;
static const size_t max_kernel_size = 25;
public /*static*/:
static const char *get_name(void *);
static void get_defaults(obs_data_t *);
static obs_properties_t *get_properties(void *);
static bool modified_properties(obs_properties_t *, obs_property_t *, obs_data_t *);
static void *create(obs_data_t *, obs_source_t *);
static void destroy(void *);
static uint32_t get_width(void *);
static uint32_t get_height(void *);
static void update(void *, obs_data_t *);
static void activate(void *);
static void deactivate(void *);
static void video_tick(void *, float);
static void video_render(void *, gs_effect_t *);
private:
class Instance {
public:
Instance(obs_data_t*, obs_source_t*);
~Instance();
void update(obs_data_t*);
uint32_t get_width();
uint32_t get_height();
void activate();
void deactivate();
void show();
void hide();
void video_tick(float);
void video_render(gs_effect_t*);
bool apply_shared_param(gs_texture_t* input,
float texelX, float texelY);
bool apply_bilateral_param();
bool apply_gaussian_param();
private:
obs_source_t *m_source;
gs_texrender_t *m_primaryRT, *m_secondaryRT;
gs_texrender_t *m_rtHorizontal, *m_rtVertical;
std::shared_ptr<gs::effect> m_effect;
// Blur
Type m_type;
uint64_t m_size;
// Bilateral
double_t m_bilateralSmoothing;
double_t m_bilateralSharpness;
// bilateral
double_t bilateral_smoothing;
double_t bilateral_sharpness;
// Regional
struct Region {
bool enabled;
bool enabled;
float_t left;
float_t top;
float_t right;
float_t bottom;
float_t feather;
float_t feather_shift;
bool invert;
} m_region;
bool invert;
} region;
// Advanced
bool m_errorLogged = false;
uint64_t m_colorFormat;
// advanced
bool have_logged_error = false;
uint64_t color_format;
bool apply_shared_param(gs_texture_t* input, float texelX, float texelY);
bool apply_bilateral_param();
bool apply_gaussian_param();
static bool modified_properties(void* ptr, obs_properties_t* props, obs_property* prop,
obs_data_t* settings);
public:
instance(obs_data_t* settings, obs_source_t* parent);
~instance();
obs_properties_t* get_properties();
void update(obs_data_t*);
uint32_t get_width();
uint32_t get_height();
void activate();
void deactivate();
void video_tick(float);
void video_render(gs_effect_t*);
};
};
}
class factory {
obs_source_info source_info;
std::list<instance*> sources;
std::shared_ptr<gs::effect> color_converter_effect;
std::map<filter::blur::type, std::shared_ptr<gs::effect>> effects;
std::map<filter::blur::type, std::shared_ptr<gs::texture>> kernels;
private:
factory();
~factory();
void on_list_fill();
void on_list_empty();
void generate_gaussian_kernels();
void generate_kernel_textures();
protected:
static void* create(obs_data_t* settings, obs_source_t* parent);
static void destroy(void* source);
static void get_defaults(obs_data_t* settings);
static obs_properties_t* get_properties(void* source);
static void update(void* source, obs_data_t* settings);
static const char* get_name(void* source);
static uint32_t get_width(void* source);
static uint32_t get_height(void* source);
static void activate(void* source);
static void deactivate(void* source);
static void video_tick(void* source, float delta);
static void video_render(void* source, gs_effect_t* effect);
public:
std::shared_ptr<gs::effect> get_effect(filter::blur::type type);
std::shared_ptr<gs::effect> get_color_converter_effect();
std::shared_ptr<gs::texture> get_kernel(filter::blur::type type);
public: // Singleton
static void initialize();
static void finalize();
static factory* get();
};
} // namespace blur
} // namespace filter