get_usage_flags()

vk::BufferUsageFlags MayaFlux::Buffers::VKBuffer::get_usage_flags

(

)

const

Get appropriate VkBufferUsageFlags for creation based on Usage.

Returns

VkBufferUsageFlags to be used when creating VkBuffer.

Definition at line 220 of file VKBuffer.cpp.

{
    vk::BufferUsageFlags flags = vk::BufferUsageFlagBits::eTransferSrc | vk::BufferUsageFlagBits::eTransferDst;
 
    switch (m_usage) {
    case Usage::STAGING:
        break;
    case Usage::DEVICE:
    case Usage::COMPUTE:
        flags |= vk::BufferUsageFlagBits::eStorageBuffer;
        break;
    case Usage::VERTEX:
        flags |= vk::BufferUsageFlagBits::eVertexBuffer | vk::BufferUsageFlagBits::eStorageBuffer;
        break;
    case Usage::INDEX:
        flags |= vk::BufferUsageFlagBits::eIndexBuffer;
        break;
    case Usage::UNIFORM:
        flags |= vk::BufferUsageFlagBits::eUniformBuffer;
        break;
    case Usage::UNIFORM_BDA:
        flags |= vk::BufferUsageFlagBits::eUniformBuffer
            | vk::BufferUsageFlagBits::eShaderDeviceAddress;
        break;
    case Usage::STORAGE_BDA:
        flags |= vk::BufferUsageFlagBits::eStorageBuffer
            | vk::BufferUsageFlagBits::eShaderDeviceAddress;
        break;
    case Usage::HOST_STORAGE:
        flags |= vk::BufferUsageFlagBits::eStorageBuffer;
    }
 
    return flags;
}

References COMPUTE, DEVICE, HOST_STORAGE, INDEX, m_usage, STAGING, STORAGE_BDA, UNIFORM, UNIFORM_BDA, and VERTEX.