to_image() [2/2]

std::shared_ptr< Core::VKImage > MayaFlux::Kakshya::WindowContainer::to_image

(

const std::shared_ptr< Buffers::VKBuffer > &

staging

)

const

Refresh the full surface VKImage, reusing a caller-supplied persistent staging buffer.

The container retains the image. The supplied staging buffer is used for this upload.

Parameters

staging

Host-visible staging VKBuffer sized to at least width * height * bytes_per_pixel.

Returns

Cached VKImage, or nullptr on failure.

Definition at line 201 of file WindowContainer.cpp.

{
    auto pixels = snapshot_pixels();
    if (!pixels)
        return nullptr;
 
    const auto format = get_image_format();
    Memory::SerializedSeqlockWriteGuard image_guard(m_image_cache_lock);
    return Portal::Graphics::TextureLoom::instance().refresh_cached_image(
        m_surface_image, sampled_image_key(pixels->width, pixels->height, format),
        pixels->pixels, staging);
}

References format, get_image_format(), MayaFlux::Portal::Graphics::TextureLoom::instance(), m_image_cache_lock, m_surface_image, pixels, MayaFlux::Portal::Graphics::TextureLoom::refresh_cached_image(), and snapshot_pixels().

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