💿🐜 Antkeeper source code
https://antkeeper.com
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62 lines
2.1 KiB
62 lines
2.1 KiB
/*
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* Copyright (C) 2021 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_GL_BUFFER_USAGE_HPP
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#define ANTKEEPER_GL_BUFFER_USAGE_HPP
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namespace gl {
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/**
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* Usage hints for vertex buffers.
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*
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* @see gl::vertex_buffer
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*/
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enum class buffer_usage
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{
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/// Data will be modified once, by the application, and used at most a few times, for drawing commands.
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stream_draw,
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/// Data will be modified once, by reading data from the GL, and used at most a few times, to return that data to the application.
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stream_read,
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/// Data will be modified once, by reading data from the GL, and used at most a few times, for drawing commands.
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stream_copy,
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/// Data will be modified once, by the application, and used many times, for drawing commands.
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static_draw,
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/// Data will be modified once, by reading data from the GL, and used many times, to return that data to the application.
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static_read,
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/// Data will be modified once, by reading data from the GL, and many times, for drawing commands.
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static_copy,
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/// Data will be modified repeatedly, by the application, and used many times, for drawing commands.
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dynamic_draw,
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/// Data will be modified repeatedly, by reading data from the GL, and used many times, to return that data to the application.
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dynamic_read,
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/// Data will be modified repeatedly, by reading data from the GL, and used many times, for drawing commands.
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dynamic_copy
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};
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} // namespace gl
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#endif // ANTKEEPER_GL_BUFFER_USAGE_HPP
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