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 "../numeric_array.hpp"
#include "../aarect.hpp"
#include "../color/sfloat_rgba16.hpp"
#include "../color/sfloat_rgba32.hpp"
#include "../color/sfloat_rgb32.hpp"
#include <vulkan/vulkan.hpp>
#include <span>
 
namespace tt::pipeline_box {
 
struct vertex {
    sfloat_rgb32 position;
 
    sfloat_rgba32 clippingRectangle;
 
    sfloat_rgba32 cornerCoordinate;
 
    sfloat_rgba16 backgroundColor;
 
    sfloat_rgba16 borderColor;
 
    sfloat_rgba16 cornerShapes;
 
    float borderSize;
 
    vertex(
        f32x4 position,
        f32x4 cornerCoordinate,
        color backgroundColor,
        float borderSize,
        color borderColor,
        f32x4 cornerShapes,
        aarect clippingRectangle
    ) noexcept :
        position(position),
        clippingRectangle(clippingRectangle),
        cornerCoordinate(cornerCoordinate),
        backgroundColor(backgroundColor),
        borderColor(borderColor),
        cornerShapes(cornerShapes),
        borderSize(borderSize) {}
 
    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, clippingRectangle) },
            { 2, 0, vk::Format::eR32G32B32A32Sfloat, offsetof(vertex, cornerCoordinate) },
            { 3, 0, vk::Format::eR16G16B16A16Sfloat, offsetof(vertex, backgroundColor) },
            { 4, 0, vk::Format::eR16G16B16A16Sfloat, offsetof(vertex, borderColor) },
            { 5, 0, vk::Format::eR16G16B16A16Sfloat, offsetof(vertex, cornerShapes) },
            { 6, 0, vk::Format::eR32Sfloat, offsetof(vertex, borderSize) },
        };
    }
};
}