op_snapshot()

void MayaFlux::Yantra::VisionGpuExecutor::op_snapshot ( VisionGpuContexts &  contexts )

staticprivate

Copy the working image into this snapshot's own image and append it to VisionResult::snapshots.

The working image is unchanged.

Definition at line 411 of file VisionGpuDispatch.cpp.

{
    const auto& current = contexts.pass.current;
    if (!current)
        return;
 
    const size_t ordinal = contexts.pass.result.snapshots.size();
    while (contexts.snapshot_images.size() <= ordinal)
        contexts.snapshot_images.emplace_back(k_snapshot_cache_budget_bytes);
 
    const uint32_t w = current->get_width();
    const uint32_t h = current->get_height();
    auto& loom = Portal::Graphics::TextureLoom::instance();
    auto image = contexts.snapshot_images[ordinal].acquire(loom, {
                                                                     .width = w,
                                                                     .height = h,
                                                                     .format = Portal::Graphics::ImageFormat::RGBA32F,
                                                                     .kind = Portal::Graphics::ImageKey::Kind::STORAGE_2D,
                                                                 });
 
    constexpr auto filter = Portal::Graphics::FilterMode::NEAREST;
    if (!image || !loom.can_blit(current, image, filter) || !loom.blit_layer(current, image, { .filter = filter })) {
        MF_ERROR(Journal::Component::Yantra, Journal::Context::ComputeMatrix,
            "run_gpu: Snapshot {} could not copy the working image", ordinal);
        return;
    }
 
    contexts.pass.result.snapshots.push_back({
        .image = std::move(image),
        .w = w,
        .h = h,
        .channels = contexts.pass.channels,
    });
}

References MayaFlux::Kinesis::Vision::VisionPass< Handle >::channels, MayaFlux::Journal::ComputeMatrix, MayaFlux::Kinesis::Vision::VisionPass< Handle >::current, current, h, image, MayaFlux::Portal::Graphics::TextureLoom::instance(), MF_ERROR, MayaFlux::Portal::Graphics::NEAREST, MayaFlux::Yantra::VisionGpuContexts::pass, MayaFlux::Kinesis::Vision::VisionPass< Handle >::result, MayaFlux::Yantra::VisionGpuContexts::snapshot_images, MayaFlux::Kinesis::Vision::VisionResult::snapshots, MayaFlux::Portal::Graphics::ImageKey::STORAGE_2D, and MayaFlux::Journal::Yantra.

Here is the call graph for this function: