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 <vulkan/vulkan.hpp>
#include <span>
 
namespace tt::pipeline_box {
 
struct vertex {
    sfloat_rgb32 position;
 
    sfloat_rgba32 clipping_rectangle;
 
    sfloat_rgba32 corner_coordinate;
 
    sfloat_rgba16 fill_color;
 
    sfloat_rgba16 line_color;
 
    sfloat_rgba16 corner_shapes;
 
    float line_width;
 
    vertex(
        aarectangle clipping_rectangle,
        point3 position,
        f32x4 corner_coordinate,
        color fill_color,
        color line_color,
        float line_width,
        tt::corner_shapes corner_shapes
    ) noexcept :
        position(position),
        clipping_rectangle(clipping_rectangle),
        corner_coordinate(corner_coordinate),
        fill_color(fill_color),
        line_color(line_color),
        corner_shapes(corner_shapes),
        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::eR32G32B32Sfloat, 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::eR16G16B16A16Sfloat, offsetof(vertex, fill_color) },
            { 4, 0, vk::Format::eR16G16B16A16Sfloat, offsetof(vertex, line_color) },
            { 5, 0, vk::Format::eR16G16B16A16Sfloat, offsetof(vertex, corner_shapes) },
            { 6, 0, vk::Format::eR32Sfloat, offsetof(vertex, line_width) },
        };
    }
};
}