ComputeOutNode()

MayaFlux::Nodes::GpuSync::ComputeOutNode::ComputeOutNode	(	const std::shared_ptr< Buffers::VKBuffer > &	buffer,
		size_t	element_count
	)

Construct with GPU buffer and element count.

Parameters

buffer	GPU buffer to read from
element_count	Number of double elements to read

Definition at line 8 of file ComputeOutNode.cpp.

    : m_gpu_buffer(buffer)
    , m_readback_data(element_count)
    , m_element_count(element_count)
{
    if (!m_gpu_buffer) {
        error<std::invalid_argument>(
            Journal::Component::Nodes,
            Journal::Context::NodeProcessing,
            std::source_location::current(),
            "Cannot create ComputeOutNode with null GPU buffer");
    }
 
    if (element_count == 0) {
        error<std::invalid_argument>(
            Journal::Component::Nodes,
            Journal::Context::NodeProcessing,
            std::source_location::current(),
            "Cannot create ComputeOutNode with zero element count");
    }
 
    size_t required_size = element_count * sizeof(double);
    if (m_gpu_buffer->get_size_bytes() < required_size) {
        MF_WARN(Journal::Component::Nodes, Journal::Context::NodeProcessing,
            "GPU buffer size ({} bytes) is smaller than requested element count ({} elements = {} bytes)",
            m_gpu_buffer->get_size_bytes(), element_count, required_size);
    }
}

References m_gpu_buffer, MF_WARN, MayaFlux::Journal::NodeProcessing, and MayaFlux::Journal::Nodes.