💿🐜 Antkeeper source code https://antkeeper.com
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/*
* 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_PIPELINE_COLOR_BLEND_STATE_HPP
#define ANTKEEPER_GL_PIPELINE_COLOR_BLEND_STATE_HPP
#include <engine/gl/logic-op.hpp>
#include <engine/gl/color-blend-equation.hpp>
#include <array>
#include <cstdlib>
namespace gl {
/// Pipeline color blend state.
struct pipeline_color_blend_state
{
/// Controls whether to apply logical operations.
bool logic_op_enabled{false};
/// Selects which logical operation to apply.
gl::logic_op logic_op{gl::logic_op::bitwise_copy};
/// Controls whether blending is enabled for the corresponding color attachment.
bool blend_enabled{false};
/// Color blend factors and operations.
gl::color_blend_equation color_blend_equation
{
blend_factor::one,
blend_factor::zero,
blend_op::add,
blend_factor::one,
blend_factor::zero,
blend_op::add
};
/// Bitmask indicating which of the RGBA components are enabled for writing.
std::uint8_t color_write_mask{0b1111};
/// RGBA components of the blend constant that are used in blending, depending on the blend factor.
std::array<float, 4> blend_constants{0.0f, 0.0f, 0.0f, 0.0f};
};
} // namespace gl
#endif // ANTKEEPER_GL_PIPELINE_COLOR_BLEND_STATE_HPP