obs-StreamFX/source/filter-transform.hpp

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/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 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
*/
#pragma once
#include <memory>
#include <vector>
#include "gs-mipmapper.hpp"
#include "gs-rendertarget.hpp"
#include "gs-texture.hpp"
#include "gs-vertexbuffer.hpp"
#include "plugin.hpp"
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namespace filter {
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namespace transform {
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class transform_factory {
friend class std::_Ptr_base<filter::transform::transform_factory>;
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obs_source_info sourceInfo;
public: // Singleton
static void initialize();
static void finalize();
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static std::shared_ptr<transform_factory> get();
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public:
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transform_factory();
~transform_factory();
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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 show(void*);
static void hide(void*);
static void video_tick(void*, float);
static void video_render(void*, gs_effect_t*);
};
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class transform_instance {
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bool m_active;
obs_source_t* m_self;
// Input
std::shared_ptr<gs::rendertarget> m_source_rendertarget;
std::shared_ptr<gs::texture> m_source_texture;
bool m_source_rendered;
// Mipmapping
bool m_mipmap_enabled;
double_t m_mipmap_strength;
gs::mipmapper::generator m_mipmap_generator;
gs::mipmapper m_mipmapper;
// Rendering
std::shared_ptr<gs::rendertarget> m_shape_rendertarget;
std::shared_ptr<gs::texture> m_shape_texture;
// Mesh
bool m_update_mesh;
std::shared_ptr<gs::vertex_buffer> m_vertex_buffer;
uint32_t m_rotation_order;
std::unique_ptr<util::vec3a> m_position;
std::unique_ptr<util::vec3a> m_rotation;
std::unique_ptr<util::vec3a> m_scale;
std::unique_ptr<util::vec3a> m_shear;
// Camera
bool m_camera_orthographic;
float_t m_camera_fov;
public:
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~transform_instance();
transform_instance(obs_data_t*, obs_source_t*);
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uint32_t get_width();
uint32_t get_height();
void update(obs_data_t*);
void activate();
void deactivate();
void video_tick(float);
void video_render(gs_effect_t*);
};
} // namespace transform
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} // namespace filter