quad_mesh.cpp

//
// Created by daily on 19-01-24.
//

#include "quad_mesh.hpp"

QuadMesh::QuadMesh(vk::Device logical_device, vk::PhysicalDevice physical_device)
{
    this->logical_device_ = logical_device;
    std::vector<float> vertices = {
//eTriangleStrip
            -0.5f, 0.5f, 0.0f, 1.0f, 0.0f, 0.0f,
            0.5f, 0.5f, 0.0f, 0.0f, 1.0f, 0.0f,
            0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 1.0f,
            -0.5f, -0.5f, 0.0f, 1.0f, 1.0f, 1.0f

//eTriangleList
//            -0.5f,  0.5f, 0.0f, 1.0f, 0.0f, 0.0f,
//            0.5f,  0.5f, 0.0f, 0.0f, 1.0f, 0.0f,
//            -0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 1.0f,
//
//            0.5f,  0.5f, 0.0f, 0.0f, 1.0f, 0.0f,
//            0.5f, -0.5f, 0.0f, 1.0f, 1.0f, 1.0f,
//            -0.5f, -0.5f, 0.0f, 0.0f, 0.0f, 1.0f
    };
    BufferInput inputChunk;
    inputChunk.logical_device = logical_device;
    inputChunk.physical_device = physical_device;
    inputChunk.size = sizeof(float) * vertices.size();
    inputChunk.usage = vk::BufferUsageFlagBits::eVertexBuffer;
    vertex_buffer = vkutil::createBuffer(inputChunk);
    void* memoryLocation = logical_device.mapMemory(vertex_buffer.buffer_memory, 0, inputChunk.size);
    memcpy(memoryLocation, vertices.data(), inputChunk.size);
    logical_device.unmapMemory(vertex_buffer.buffer_memory);
}

QuadMesh::~QuadMesh()
{
    logical_device_.destroyBuffer(vertex_buffer.buffer);
    logical_device_.freeMemory(vertex_buffer.buffer_memory);
}