pipeline_box_vertex.hpp

// Copyright Take Vos 2020.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#pragma once
 
#include "../vspan.hpp"
#include "../geometry/axis_aligned_rectangle.hpp"
#include "../rapid/sfloat_rgba16.hpp"
#include "../rapid/sfloat_rgba32.hpp"
#include "../rapid/sfloat_rgb32.hpp"
#include "../rapid/int_abgr8_pack.hpp"
#include <vulkan/vulkan.hpp>
#include <span>
 
namespace hi::inline v1::pipeline_box {
 
struct alignas(16) vertex {
    sfloat_rgba32 position;
 
    sfloat_rgba32 clipping_rectangle;
 
    sfloat_rgba32 corner_coordinate;
 
    sfloat_rgba32 corner_radii;
 
    sfloat_rgba16 fill_color;
 
    sfloat_rgba16 line_color;
 
 
    float line_width;
 
    vertex(
        sfloat_rgba32 position,
        sfloat_rgba32 clipping_rectangle,
        sfloat_rgba32 corner_coordinate,
        sfloat_rgba32 corner_radii,
        sfloat_rgba16 fill_color,
        sfloat_rgba16 line_color,
        float line_width) noexcept :
        position(position),
        clipping_rectangle(clipping_rectangle),
        corner_coordinate(corner_coordinate),
        corner_radii(corner_radii),
        fill_color(fill_color),
        line_color(line_color),
        line_width(line_width)
    {
    }
 
    static vk::VertexInputBindingDescription inputBindingDescription()
    {
        return {0, sizeof(vertex), vk::VertexInputRate::eVertex};
    }
 
    static std::vector<vk::VertexInputAttributeDescription> inputAttributeDescriptions()
    {
        return {
            {0, 0, vk::Format::eR32G32B32A32Sfloat, offsetof(vertex, position)},
            {1, 0, vk::Format::eR32G32B32A32Sfloat, offsetof(vertex, clipping_rectangle)},
            {2, 0, vk::Format::eR32G32B32A32Sfloat, offsetof(vertex, corner_coordinate)},
            {3, 0, vk::Format::eR32G32B32A32Sfloat, offsetof(vertex, corner_radii)},
            {4, 0, vk::Format::eR16G16B16A16Sfloat, offsetof(vertex, fill_color)},
            {5, 0, vk::Format::eR16G16B16A16Sfloat, offsetof(vertex, line_color)},
            {6, 0, vk::Format::eR32Sfloat, offsetof(vertex, line_width)},
        };
    }
};
 
} // namespace hi::inline v1::pipeline_box