obs-StreamFX/source/obs/gs/gs-vertexbuffer.hpp
2019-08-04 16:20:26 +02:00

180 lines
4.1 KiB
C++

/*
* 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 <cinttypes>
#include "gs-limits.hpp"
#include "gs-vertex.hpp"
#include "util-math.hpp"
#include "util-memory.hpp"
// OBS
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4201)
#endif
#include <graphics/graphics.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
namespace gs {
class vertex_buffer {
uint32_t _size;
uint32_t _capacity;
uint32_t _layers;
// Memory Storage
vec3* _positions;
vec3* _normals;
vec3* _tangents;
uint32_t* _colors;
vec4* _uvs[MAXIMUM_UVW_LAYERS];
// OBS GS Data
gs_vb_data* _data;
gs_vertbuffer_t* _buffer;
gs_tvertarray* _layer_data;
public:
virtual ~vertex_buffer();
/*!
* \brief Create a Vertex Buffer with the default number of Vertices.
*/
vertex_buffer();
/*!
* \brief Create a Vertex Buffer with a specific number of Vertices.
*
* \param vertices Number of vertices to store.
*/
vertex_buffer(uint32_t vertices);
/*!
* \brief Create a Vertex Buffer with a specific number of Vertices and uv layers.
*
* \param vertices Number of vertices to store.
* \param layers Number of uv layers to store.
*/
vertex_buffer(uint32_t vertices, uint8_t layers);
/*!
* \brief Create a copy of a Vertex Buffer
* Full Description below
*
* \param other The Vertex Buffer to copy
*/
vertex_buffer(gs_vertbuffer_t* other);
// Copy Constructor & Assignments
/*!
* \brief Copy Constructor
*
*
* \param other
*/
vertex_buffer(vertex_buffer const& other);
/*!
* \brief Copy Assignment
* Unsafe operation and as such marked as deleted.
*
* \param other
*/
void operator=(vertex_buffer const& other) = delete;
// Move Constructor & Assignments
/*!
* \brief Move Constructor
*
*
* \param other
*/
vertex_buffer(vertex_buffer const&& other);
/*!
* \brief Move Assignment
*
*
* \param other
*/
void operator=(vertex_buffer const&& other);
void resize(uint32_t new_size);
uint32_t size();
bool empty();
const gs::vertex at(uint32_t idx);
const gs::vertex operator[](uint32_t const pos);
void set_uv_layers(uint32_t layers);
uint32_t get_uv_layers();
/*!
* \brief Directly access the positions buffer
* Returns the internal memory that is assigned to hold all vertex positions.
*
* \return A <vec3*> that points at the first vertex's position.
*/
vec3* get_positions();
/*!
* \brief Directly access the normals buffer
* Returns the internal memory that is assigned to hold all vertex normals.
*
* \return A <vec3*> that points at the first vertex's normal.
*/
vec3* get_normals();
/*!
* \brief Directly access the tangents buffer
* Returns the internal memory that is assigned to hold all vertex tangents.
*
* \return A <vec3*> that points at the first vertex's tangent.
*/
vec3* get_tangents();
/*!
* \brief Directly access the colors buffer
* Returns the internal memory that is assigned to hold all vertex colors.
*
* \return A <uint32_t*> that points at the first vertex's color.
*/
uint32_t* get_colors();
/*!
* \brief Directly access the uv buffer
* Returns the internal memory that is assigned to hold all vertex uvs.
*
* \return A <vec4*> that points at the first vertex's uv.
*/
vec4* get_uv_layer(size_t idx);
gs_vertbuffer_t* update();
gs_vertbuffer_t* update(bool refreshGPU);
};
} // namespace gs