C_vertex.hpp

/*
 * Copyright 2024 Guillaume Guillet
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _FGE_VULKAN_C_VERTEX_HPP_INCLUDED
#define _FGE_VULKAN_C_VERTEX_HPP_INCLUDED
 
#include "volk.h"
#include <array>
 
#include "FastEngine/C_vector.hpp"
 
namespace fge::vulkan
{
 
struct Vertex
{
    glm::vec2 _position{0.0f, 0.0f};
    uint32_t _color{std::numeric_limits<uint32_t>::max()};
    glm::vec2 _texCoords{0.0f, 0.0f};
 
    static VkVertexInputBindingDescription getBindingDescription()
    {
        VkVertexInputBindingDescription bindingDescription{};
        bindingDescription.binding = 0;
        bindingDescription.stride = sizeof(Vertex);
        bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
 
        return bindingDescription;
    }
 
    static std::array<VkVertexInputAttributeDescription, 3> getAttributeDescriptions()
    {
        std::array<VkVertexInputAttributeDescription, 3> attributeDescriptions{};
 
        attributeDescriptions[0].binding = 0;
        attributeDescriptions[0].location = 0;
        attributeDescriptions[0].format = VK_FORMAT_R32G32_SFLOAT;
        attributeDescriptions[0].offset = offsetof(Vertex, _position);
 
        attributeDescriptions[1].binding = 0;
        attributeDescriptions[1].location = 1;
        attributeDescriptions[1].format = VK_FORMAT_R8G8B8A8_UINT;
        attributeDescriptions[1].offset = offsetof(Vertex, _color);
 
        attributeDescriptions[2].binding = 0;
        attributeDescriptions[2].location = 2;
        attributeDescriptions[2].format = VK_FORMAT_R32G32_SFLOAT;
        attributeDescriptions[2].offset = offsetof(Vertex, _texCoords);
 
        return attributeDescriptions;
    }
};
 
} // namespace fge::vulkan
 
#endif //_FGE_VULKAN_C_VERTEX_HPP_INCLUDED