upload_to_gpu() [2/3]

MAYAFLUX_API void MayaFlux::Buffers::upload_to_gpu	(	const void *	data,
		size_t	size,
		const std::shared_ptr< VKBuffer > &	target,
		const std::shared_ptr< VKBuffer > &	staging = nullptr,
		size_t	dst_offset = 0
	)

Upload raw data to GPU buffer (auto-detects host-visible vs device-local)

Parameters

data	Source data pointer
size	Size in bytes
target	Target GPU buffer
staging	Optional staging buffer (created if needed for device-local)

Convenience wrapper over StagingUtils that:

• Converts raw pointer → DataVariant
• Auto-detects if buffer is host-visible or device-local
• Handles staging buffer creation if needed

Parameters

dst_offset

Byte offset into target to write at. The default 0 overwrites from the start; a nonzero value uploads a sub-range, leaving the rest of target as it was.

Definition at line 412 of file StagingUtils.cpp.

{
    if (!target) {
        error<std::invalid_argument>(
            Journal::Component::Buffers,
            Journal::Context::BufferProcessing,
            std::source_location::current(),
            "upload_to_gpu: target buffer is null");
    }
 
    if (size == 0) {
        return;
    }
 
    std::vector<uint8_t> raw_bytes(size);
    std::memcpy(raw_bytes.data(), data, size);
    Kakshya::DataVariant data_variant(raw_bytes);
 
    if (target->is_host_visible()) {
        upload_host_visible(target, data_variant, dst_offset);
    } else {
        std::shared_ptr<VKBuffer> staging_buf = staging;
 
        if (!staging_buf) {
            staging_buf = create_staging_buffer(size);
        }
 
        upload_device_local(target, staging_buf, data_variant, dst_offset);
    }
}

References MayaFlux::Journal::BufferProcessing, MayaFlux::Journal::Buffers, create_staging_buffer(), upload_device_local(), and upload_host_visible().

Referenced by MayaFlux::Buffers::FormaBindingsProcessor::flush_descriptor(), MayaFlux::Buffers::NodeTextureProcessor::initialize_gpu_resources(), MayaFlux::IO::ImageReader::load_into_buffer(), MayaFlux::Buffers::FormaProcessor::processing_function(), MayaFlux::Buffers::CompositeGeometryProcessor::processing_function(), MayaFlux::Buffers::NetworkGeometryProcessor::processing_function(), MayaFlux::Buffers::AggregateBindingsProcessor::processing_function(), MayaFlux::Buffers::NetworkGeometryProcessor::try_incremental_upload(), MayaFlux::Buffers::DescriptorBindingsProcessor::update_from_buffer(), MayaFlux::Buffers::DescriptorBindingsProcessor::update_from_network(), MayaFlux::Buffers::DescriptorBindingsProcessor::update_from_node(), MayaFlux::Buffers::TextureProcessor::update_geometry_if_dirty(), upload_audio_to_gpu(), MayaFlux::Buffers::MeshNetworkProcessor::upload_combined(), upload_from_view(), MayaFlux::Nexus::Emitter::upload_influence_ubo(), MayaFlux::Buffers::TextureProcessor::upload_initial_geometry(), MayaFlux::Buffers::DataWriteProcessor::upload_raw(), upload_resizing(), MayaFlux::Buffers::DataWriteProcessor::upload_secondary(), upload_structured_view(), upload_to_gpu(), upload_to_gpu(), and MayaFlux::Buffers::DataWriteProcessor::upload_vertex().

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