💿🐜 Antkeeper source code https://antkeeper.com
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

57 lines
1.6 KiB

/*
* Copyright (C) 2023 Christopher J. Howard
*
* This file is part of Antkeeper source code.
*
* Antkeeper source code 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 3 of the License, or
* (at your option) any later version.
*
* Antkeeper source code 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 Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ANTKEEPER_GL_STENCIL_OP_HPP
#define ANTKEEPER_GL_STENCIL_OP_HPP
#include <cstdint>
namespace gl {
/// Stencil comparison functions.
enum class stencil_op: std::uint8_t
{
/// Keeps the current value.
keep,
/// Sets the value to `0`.
zero,
/// Sets the value to `reference`.
replace,
/// Increments the current value and clamps to the maximum representable unsigned value.
increment_and_clamp,
/// Decrements the current value and clamps to `0`.
decrement_and_clamp,
/// Bitwise-inverts the current value.
invert,
/// Increments the current value and wraps to `0` when the maximum value would have been exceeded.
increment_and_wrap,
/// Decrements the current value and wraps to the maximum possible value when the value would go below `0`.
decrement_and_wrap
};
} // namespace gl
#endif // ANTKEEPER_GL_STENCIL_OP_HPP