is_readback_available()

MAYAFLUX_API bool MayaFlux::Kakshya::is_readback_available

(

const std::shared_ptr< Core::Window > &

window

)

Check whether a completed frame is currently available for readback.

Returns false if the window has no registered swapchain or if the last in-flight fence has not yet signalled.

Parameters

window

Target window.

Returns

true if readback_region() can safely be called now.

Definition at line 207 of file SurfaceUtils.cpp.

{
    auto* svc = get_display_service();
    if (!svc)
        return false;
 
    uint32_t w = 0, h = 0;
    svc->get_swapchain_extent(std::static_pointer_cast<void>(window), w, h);
    return w > 0 && h > 0;
}

References h.

Referenced by MayaFlux::Kakshya::WindowAccessProcessor::process().

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