create_descriptor_buffer()

std::shared_ptr< VKBuffer > MayaFlux::Buffers::DescriptorBindingsProcessor::create_descriptor_buffer ( size_t  size, Portal::Graphics::DescriptorRole  role  )

private

Create GPU buffer for a descriptor binding.

Definition at line 672 of file DescriptorBindingsProcessor.cpp.

{
    VKBuffer::Usage usage {};
 
    if (role == Portal::Graphics::DescriptorRole::UNIFORM) {
        usage = VKBuffer::Usage::UNIFORM;
    } else { // SSBO
        usage = VKBuffer::Usage::COMPUTE;
    }
 
    auto buffer = std::make_shared<VKBuffer>(
        size,
        usage,
        Kakshya::DataModality::UNKNOWN);
 
    auto buffer_service = Registry::BackendRegistry::instance()
                              .get_service<Registry::Service::BufferService>();
 
    if (!buffer_service) {
        error<std::runtime_error>(
            Journal::Component::Buffers,
            Journal::Context::BufferProcessing,
            std::source_location::current(),
            "create_descriptor_buffer requires a valid BufferService");
    }
 
    buffer_service->initialize_buffer(buffer);
 
    return buffer;
}

References buffer, MayaFlux::Journal::BufferProcessing, MayaFlux::Journal::Buffers, MayaFlux::Registry::BackendRegistry::get_service(), MayaFlux::Registry::BackendRegistry::instance(), size, MayaFlux::Portal::Graphics::UNIFORM, MayaFlux::Kakshya::UNKNOWN, and usage.

Referenced by bind_audio_buffer(), bind_host_vk_buffer(), bind_matrix_node(), bind_network(), bind_scalar_node(), bind_structured_node(), and bind_vector_node().

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