obs-StreamFX/source/filters/filter-shape.hpp

/*
 * 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 "obs/gs/gs-vertexbuffer.hpp"
#include "plugin.hpp"

#define P_SHAPE "Shape"
#define P_SHAPE_LOOP "Shape.Loop"
#define P_SHAPE_MODE "Shape.Mode"
#define P_SHAPE_MODE_TRIS "Shape.Mode.Tris"
#define P_SHAPE_MODE_TRISTRIP "Shape.Mode.TriStrip"
#define P_SHAPE_MODE "Shape.Mode"
#define P_SHAPE_POINTS "Shape.Points"
#define P_SHAPE_POINT_X "Shape.Point.X"
#define P_SHAPE_POINT_Y "Shape.Point.Y"
#define P_SHAPE_POINT_U "Shape.Point.U"
#define P_SHAPE_POINT_V "Shape.Point.V"

namespace filter {
	class Shape {
		public:
		Shape();
		~Shape();

		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*);

		private:
		obs_source_info sourceInfo;

		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*);

			private:
			obs_source_t*      context;
			gs::vertex_buffer* m_vertexHelper;
			gs_vertbuffer_t*   m_vertexBuffer;
			gs_draw_mode       drawmode;
			gs_texrender_t*    m_texRender;
		};
	};
} // namespace filter