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extension.",{"type":1873,"tag":1874,"props":2101,"children":2102},{},[2103],{"type":1878,"value":2104},"Some exceptional situations exist, for example where an existing layout enum carries more information than just the layout itself:",{"type":1873,"tag":1931,"props":2106,"children":2107},{},[2108,2119,2179],{"type":1873,"tag":1935,"props":2109,"children":2110},{},[2111,2117],{"type":1873,"tag":1881,"props":2112,"children":2114},{"className":2113},[],[2115],{"type":1878,"value":2116},"VK_IMAGE_LAYOUT_UNDEFINED",{"type":1878,"value":2118}," when creating an image, and in image layout transitions away from it.\nThis \"image layout\" is necessary for the purpose of initializing the image metadata.\nAdditionally, it is useful for communicating that the previous contents of the memory bound to the image can be discarded.",{"type":1873,"tag":1935,"props":2120,"children":2121},{},[2122,2128,2130,2135,2137,2142,2144,2149,2151,2156,2158,2163,2165,2170,2172,2177],{"type":1873,"tag":1881,"props":2123,"children":2125},{"className":2124},[],[2126],{"type":1878,"value":2127},"VK_IMAGE_LAYOUT_PREINITIALIZED",{"type":1878,"value":2129}," when creating an image.\nThis image layout is identical to ",{"type":1873,"tag":1881,"props":2131,"children":2133},{"className":2132},[],[2134],{"type":1878,"value":1886},{"type":1878,"value":2136}," in this extension, but ",{"type":1873,"tag":1881,"props":2138,"children":2140},{"className":2139},[],[2141],{"type":1878,"value":1886},{"type":1878,"value":2143}," is ",{"type":1873,"tag":1907,"props":2145,"children":2146},{},[2147],{"type":1878,"value":2148},"not",{"type":1878,"value":2150}," allowed when creating an image.\nThis is to remove any chance of mistakes where ",{"type":1873,"tag":1881,"props":2152,"children":2154},{"className":2153},[],[2155],{"type":1878,"value":1886},{"type":1878,"value":2157}," is used in place of ",{"type":1873,"tag":1881,"props":2159,"children":2161},{"className":2160},[],[2162],{"type":1878,"value":2116},{"type":1878,"value":2164}," with no following layout transition (or equivalent), which would be invalid.\nFurthermore, it is expected that usage of ",{"type":1873,"tag":1881,"props":2166,"children":2168},{"className":2167},[],[2169],{"type":1878,"value":2127},{"type":1878,"value":2171}," is rare, and that ",{"type":1873,"tag":1881,"props":2173,"children":2175},{"className":2174},[],[2176],{"type":1878,"value":639},{"type":1878,"value":2178}," supersedes usage of that layout in most cases.",{"type":1873,"tag":1935,"props":2180,"children":2181},{},[2182,2188],{"type":1873,"tag":1881,"props":2183,"children":2185},{"className":2184},[],[2186],{"type":1878,"value":2187},"VK_IMAGE_LAYOUT_ATTACHMENT_FEEDBACK_LOOP_OPTIMAL_EXT",{"type":1878,"value":2189},".\nWhile hardware revisions are expected to make this layout obsolete, a special consideration for it allows some existing hardware to expose this extension.\nA render pass attachment flag to indicate feedback loop would also help simplify feedback loop rules and validation.",{"type":1873,"tag":1874,"props":2191,"children":2192},{},[2193],{"type":1878,"value":2194},"In some other cases, the layout enum signifies interactions with other non-Vulkan APIs and entities:",{"type":1873,"tag":1931,"props":2196,"children":2197},{},[2198,2231],{"type":1873,"tag":1935,"props":2199,"children":2200},{},[2201,2207,2209,2215,2217,2222,2224,2229],{"type":1873,"tag":1881,"props":2202,"children":2204},{"className":2203},[],[2205],{"type":1878,"value":2206},"VK_IMAGE_LAYOUT_PRESENT_SRC_KHR",{"type":1878,"value":2208}," and ",{"type":1873,"tag":1881,"props":2210,"children":2212},{"className":2211},[],[2213],{"type":1878,"value":2214},"VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR",{"type":1878,"value":2216},".\nThese layouts ",{"type":1873,"tag":1907,"props":2218,"children":2219},{},[2220],{"type":1878,"value":2221},"are",{"type":1878,"value":2223}," different from ",{"type":1873,"tag":1881,"props":2225,"children":2227},{"className":2226},[],[2228],{"type":1878,"value":1886},{"type":1878,"value":2230},", due to interaction with components outside of Vulkan, namely the operating system’s compositor.\nIn reality, transitions to and from this layout are better represented as queue family ownership transfer operations.",{"type":1873,"tag":1935,"props":2232,"children":2233},{},[2234,2236,2241,2243,2248],{"type":1878,"value":2235},"Certain Vulkan Video layouts.\nSimilarly to ",{"type":1873,"tag":1881,"props":2237,"children":2239},{"className":2238},[],[2240],{"type":1878,"value":2206},{"type":1878,"value":2242},", some of the Vulkan Video image layouts are internally different from ",{"type":1873,"tag":1881,"props":2244,"children":2246},{"className":2245},[],[2247],{"type":1878,"value":1886},{"type":1878,"value":2249}," because they interact with non-graphics components on the same chip or even outside of it.\nWhile future hardware revisions may be able to reconcile this difference, it would be ideal for drivers to be able to support this extension sooner rather than later.",{"type":1873,"tag":2251,"props":2252,"children":2254},"h3",{"id":2253},"_replacing_transition_out_of_vk_image_layout_undefined",[2255,2257],{"type":1878,"value":2256},"Replacing Transition Out Of ",{"type":1873,"tag":1881,"props":2258,"children":2260},{"className":2259},[],[2261],{"type":1878,"value":2116},{"type":1873,"tag":1874,"props":2263,"children":2264},{},[2265,2267,2272],{"type":1878,"value":2266},"An API can be conceived to initialize or reset the image metadata, to the same effect as transitioning out of ",{"type":1873,"tag":1881,"props":2268,"children":2270},{"className":2269},[],[2271],{"type":1878,"value":2116},{"type":1878,"value":2273},".\nThis is deferred to a future extension.",{"type":1873,"tag":1874,"props":2275,"children":2276},{},[2277,2279,2284],{"type":1878,"value":2278},"Applications are encouraged to still take advantage of ",{"type":1873,"tag":1881,"props":2280,"children":2282},{"className":2281},[],[2283],{"type":1878,"value":2116},{"type":1878,"value":2285}," as some drivers are able to further optimize memory transactions accordingly.",{"type":1873,"tag":2251,"props":2287,"children":2289},{"id":2288},"_replacing_vk_image_layout_preinitialized",[2290,2292],{"type":1878,"value":2291},"Replacing ",{"type":1873,"tag":1881,"props":2293,"children":2295},{"className":2294},[],[2296],{"type":1878,"value":2127},{"type":1873,"tag":1874,"props":2298,"children":2299},{},[2300,2302,2307,2309,2314,2316,2321],{"type":1878,"value":2301},"This extension does not in fact allow ",{"type":1873,"tag":1881,"props":2303,"children":2305},{"className":2304},[],[2306],{"type":1878,"value":1886},{"type":1878,"value":2308}," instead of this layout.\nRare applications that initialize the image memory and use this layout may continue to do so and issue an image layout transition afterwards to ",{"type":1873,"tag":1881,"props":2310,"children":2312},{"className":2311},[],[2313],{"type":1878,"value":1886},{"type":1878,"value":2315},".\nThe functionality of ",{"type":1873,"tag":1881,"props":2317,"children":2319},{"className":2318},[],[2320],{"type":1878,"value":639},{"type":1878,"value":2322}," should be used instead to pre-initialize image memory more efficiently.",{"type":1873,"tag":2251,"props":2324,"children":2326},{"id":2325},"_replacing_vk_image_layout_attachment_feedback_loop_optimal_ext",[2327,2328],{"type":1878,"value":2291},{"type":1873,"tag":1881,"props":2329,"children":2331},{"className":2330},[],[2332],{"type":1878,"value":2187},{"type":1873,"tag":1874,"props":2334,"children":2335},{},[2336,2338,2343,2345,2350,2352,2358],{"type":1878,"value":2337},"This extension allows applications to use the ",{"type":1873,"tag":1881,"props":2339,"children":2341},{"className":2340},[],[2342],{"type":1878,"value":1886},{"type":1878,"value":2344}," layout in place of ",{"type":1873,"tag":1881,"props":2346,"children":2348},{"className":2347},[],[2349],{"type":1878,"value":2187},{"type":1878,"value":2351},", but chain the following to ",{"type":1873,"tag":1881,"props":2353,"children":2355},{"className":2354},[],[2356],{"type":1878,"value":2357},"VkRenderingAttachmentInfo",{"type":1878,"value":2359}," to provide the same information:",{"type":1873,"tag":1980,"props":2361,"children":2363},{"className":1982,"code":2362,"language":1984,"meta":1985,"style":1985},"typedef struct VkAttachmentFeedbackLoopInfoEXT {\n    VkStructureType    sType;\n    void*              pNext;\n    VkBool32           feedbackLoopEnable;\n} VkAttachmentFeedbackLoopInfoEXT;\n",[2364],{"type":1873,"tag":1881,"props":2365,"children":2366},{"__ignoreMap":1985},[2367,2383,2390,2401,2409],{"type":1873,"tag":1991,"props":2368,"children":2369},{"class":1993,"line":10},[2370,2374,2378],{"type":1873,"tag":1991,"props":2371,"children":2372},{"style":1997},[2373],{"type":1878,"value":2000},{"type":1873,"tag":1991,"props":2375,"children":2376},{"style":1997},[2377],{"type":1878,"value":2005},{"type":1873,"tag":1991,"props":2379,"children":2380},{"style":2008},[2381],{"type":1878,"value":2382}," VkAttachmentFeedbackLoopInfoEXT {\n",{"type":1873,"tag":1991,"props":2384,"children":2385},{"class":1993,"line":14},[2386],{"type":1873,"tag":1991,"props":2387,"children":2388},{"style":2008},[2389],{"type":1878,"value":2019},{"type":1873,"tag":1991,"props":2391,"children":2392},{"class":1993,"line":18},[2393,2397],{"type":1873,"tag":1991,"props":2394,"children":2395},{"style":1997},[2396],{"type":1878,"value":2027},{"type":1873,"tag":1991,"props":2398,"children":2399},{"style":2008},[2400],{"type":1878,"value":2032},{"type":1873,"tag":1991,"props":2402,"children":2403},{"class":1993,"line":22},[2404],{"type":1873,"tag":1991,"props":2405,"children":2406},{"style":2008},[2407],{"type":1878,"value":2408},"    VkBool32           feedbackLoopEnable;\n",{"type":1873,"tag":1991,"props":2410,"children":2411},{"class":1993,"line":26},[2412],{"type":1873,"tag":1991,"props":2413,"children":2414},{"style":2008},[2415],{"type":1878,"value":2416},"} VkAttachmentFeedbackLoopInfoEXT;\n",{"type":1873,"tag":2251,"props":2418,"children":2420},{"id":2419},"_replacing_vk_image_layout_present_src_khr_and_vk_image_layout_shared_present_khr",[2421,2422,2427,2428],{"type":1878,"value":2291},{"type":1873,"tag":1881,"props":2423,"children":2425},{"className":2424},[],[2426],{"type":1878,"value":2206},{"type":1878,"value":2208},{"type":1873,"tag":1881,"props":2429,"children":2431},{"className":2430},[],[2432],{"type":1878,"value":2214},{"type":1873,"tag":1874,"props":2434,"children":2435},{},[2436,2438,2444,2445,2451,2453,2462,2464,2468],{"type":1878,"value":2437},"The present engine is an entity external to Vulkan.\nThese layouts were added in Vulkan 1.0 to make images compatible with this entity.\nSince then however, ",{"type":1873,"tag":1881,"props":2439,"children":2441},{"className":2440},[],[2442],{"type":1878,"value":2443},"VK_QUEUE_FAMILY_EXTERNAL",{"type":1878,"value":2208},{"type":1873,"tag":1881,"props":2446,"children":2448},{"className":2447},[],[2449],{"type":1878,"value":2450},"VK_QUEUE_FAMILY_FOREIGN_EXT",{"type":1878,"value":2452}," in ",{"type":1873,"tag":2454,"props":2455,"children":2459},"a",{"href":2456,"rel":2457},"https://docs.vulkan.org/spec/latest/chapters/synchronization.html#synchronization-queue-transfers",[2458],"nofollow",[2460],{"type":1878,"value":2461},"queue family ownership transfers",{"type":1878,"value":2463}," provided a better mechanism to interact with such external entities.\nThis extension does ",{"type":1873,"tag":1907,"props":2465,"children":2466},{},[2467],{"type":1878,"value":2148},{"type":1878,"value":2469}," remove these layouts, and redesigning the API around the interaction with the present engine is deferred to a future extension.",{"type":1873,"tag":2251,"props":2471,"children":2473},{"id":2472},"_replacing_vulkan_video_layouts",[2474],{"type":1878,"value":2475},"Replacing Vulkan Video Layouts",{"type":1873,"tag":1874,"props":2477,"children":2478},{},[2479,2481,2486,2488,2493],{"type":1878,"value":2480},"Vulkan Video’s encode and decode operations are often performed by hardware units that are not unified with graphics and compute.\nSupport for using ",{"type":1873,"tag":1881,"props":2482,"children":2484},{"className":2483},[],[2485],{"type":1878,"value":1886},{"type":1878,"value":2487}," for these layouts is indicated by the ",{"type":1873,"tag":1881,"props":2489,"children":2491},{"className":2490},[],[2492],{"type":1878,"value":2067},{"type":1878,"value":2494}," 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extension.",{"type":1873,"tag":2251,"props":2528,"children":2530},{"id":2529},"_should_vk_image_layout_preinitialized_be_replaced_by_vk_image_layout_general",[2531,2533,2538,2540,2545],{"type":1878,"value":2532},"Should ",{"type":1873,"tag":1881,"props":2534,"children":2536},{"className":2535},[],[2537],{"type":1878,"value":2127},{"type":1878,"value":2539}," be replaced by ",{"type":1873,"tag":1881,"props":2541,"children":2543},{"className":2542},[],[2544],{"type":1878,"value":1886},{"type":1878,"value":2546},"?",{"type":1873,"tag":1874,"props":2548,"children":2549},{},[2550,2552,2557,2559,2564,2566,2571,2573,2578,2580,2585,2587,2592],{"type":1878,"value":2551},"No.\nWhile ",{"type":1873,"tag":1907,"props":2553,"children":2554},{},[2555],{"type":1878,"value":2556},"technically",{"type":1878,"value":2558}," replacing ",{"type":1873,"tag":1881,"props":2560,"children":2562},{"className":2561},[],[2563],{"type":1878,"value":2127},{"type":1878,"value":2565}," with ",{"type":1873,"tag":1881,"props":2567,"children":2569},{"className":2568},[],[2570],{"type":1878,"value":1886},{"type":1878,"value":2572}," during image creation would have worked, mistakenly using ",{"type":1873,"tag":1881,"props":2574,"children":2576},{"className":2575},[],[2577],{"type":1878,"value":1886},{"type":1878,"value":2579}," instead of ",{"type":1873,"tag":1881,"props":2581,"children":2583},{"className":2582},[],[2584],{"type":1878,"value":2116},{"type":1878,"value":2586}," would have been hard to catch in validation layers.\nUltimately, it was decided that ",{"type":1873,"tag":1881,"props":2588,"children":2590},{"className":2589},[],[2591],{"type":1878,"value":2127},{"type":1878,"value":2593}," should practically be obsolete, and no provisions for it are needed in this extension.",{"type":1873,"tag":2251,"props":2595,"children":2597},{"id":2596},"_should_vk_image_layout_present_src_khr_be_replaced_by_vk_image_layout_general_and_a_queue_family_ownership_transfer",[2598,2599,2604,2605,2610],{"type":1878,"value":2532},{"type":1873,"tag":1881,"props":2600,"children":2602},{"className":2601},[],[2603],{"type":1878,"value":2206},{"type":1878,"value":2539},{"type":1873,"tag":1881,"props":2606,"children":2608},{"className":2607},[],[2609],{"type":1878,"value":1886},{"type":1878,"value":2611}," and a queue family ownership transfer?",{"type":1873,"tag":1874,"props":2613,"children":2614},{},[2615,2617,2623,2625,2630,2632,2638],{"type":1878,"value":2616},"No, not in this extension.\nThere are existing Vulkan layers that draw an overlay by intercepting the call to ",{"type":1873,"tag":1881,"props":2618,"children":2620},{"className":2619},[],[2621],{"type":1878,"value":2622},"vkQueuePresentKHR",{"type":1878,"value":2624},".\nFor these layers to continue to work, the queue family ownership transfer to a special family for present engine must be \"equivalent\" to doing an image layout transition.\nHowever, this can be very error-prone when multiple queues are involved, in particular because the layers cannot distinguish between an image that is in the ",{"type":1873,"tag":1881,"props":2626,"children":2628},{"className":2627},[],[2629],{"type":1878,"value":2206},{"type":1878,"value":2631}," layout and one that is transferred to a special queue family.\nA new ",{"type":1873,"tag":1881,"props":2633,"children":2635},{"className":2634},[],[2636],{"type":1878,"value":2637},"vkQueuePresent2KHR",{"type":1878,"value":2639}," entry point can resolve this, but it is needed for other work-in-progress extensions too.",{"type":1873,"tag":1874,"props":2641,"children":2642},{},[2643,2645,2650],{"type":1878,"value":2644},"It was ultimately decided that it is best to solve this problem in a separate extension.\nUsing the ",{"type":1873,"tag":1881,"props":2646,"children":2648},{"className":2647},[],[2649],{"type":1878,"value":2206},{"type":1878,"value":2651}," layout is typically less cumbersome than the other layouts as it is normally only used at the boundary of interactions with the present engine.",{"type":1873,"tag":2251,"props":2653,"children":2655},{"id":2654},"_can_vk_image_layout_shared_present_khr_be_replaced_by_vk_image_layout_general",[2656,2657,2662,2663,2668],{"type":1878,"value":2506},{"type":1873,"tag":1881,"props":2658,"children":2660},{"className":2659},[],[2661],{"type":1878,"value":2214},{"type":1878,"value":2539},{"type":1873,"tag":1881,"props":2664,"children":2666},{"className":2665},[],[2667],{"type":1878,"value":1886},{"type":1878,"value":2546},{"type":1873,"tag":1874,"props":2670,"children":2671},{},[2672,2674,2680,2682,2687,2689,2695,2696,2701],{"type":1878,"value":2673},"No, not in this extension.\nThe driver has enough information at Vulkan swapchain creation to determine if the image needs to use a layout that can be shared with the present engine.\nHowever, a complication involving ",{"type":1873,"tag":1881,"props":2675,"children":2677},{"className":2676},[],[2678],{"type":1878,"value":2679},"VkSurfacePresentModeCompatibilityEXT",{"type":1878,"value":2681}," from the ",{"type":1873,"tag":1881,"props":2683,"children":2685},{"className":2684},[],[2686],{"type":1878,"value":906},{"type":1878,"value":2688}," extension and ",{"type":1873,"tag":1881,"props":2690,"children":2692},{"className":2691},[],[2693],{"type":1878,"value":2694},"VkSwapchainPresentModesCreateInfoEXT",{"type":1878,"value":2681},{"type":1873,"tag":1881,"props":2697,"children":2699},{"className":2698},[],[2700],{"type":1878,"value":914},{"type":1878,"value":2702}," extension exists.\nIf any shared present modes and non-shared present modes are declared compatible by the driver and subsequently used to create a swapchain, the lack of an image layout transition makes it impossible for the driver to use an efficient internal layout when the application switches from a shared present mode to a non-shared present mode.",{"type":1873,"tag":1874,"props":2704,"children":2705},{},[2706,2708,2713,2715,2720],{"type":1878,"value":2707},"At the time this extension was developed, changing present modes between shared and non-shared present modes did not actually have well-defined semantics and no existing driver actually considered the two sets compatible, but Vulkan did not specifically forbid it.\nIt was deemed preferable allow this compatibility and eventually define compatibility between these modes, implying that ",{"type":1873,"tag":1881,"props":2709,"children":2711},{"className":2710},[],[2712],{"type":1878,"value":2214},{"type":1878,"value":2714}," cannot yet be replaced with ",{"type":1873,"tag":1881,"props":2716,"children":2718},{"className":2717},[],[2719],{"type":1878,"value":1886},{"type":1878,"value":2069},{"type":1873,"tag":2251,"props":2722,"children":2724},{"id":2723},"_can_the_vulkan_video_layouts_be_replaced_by_vk_image_layout_general",[2725,2727,2732],{"type":1878,"value":2726},"Can the Vulkan Video layouts be replaced by ",{"type":1873,"tag":1881,"props":2728,"children":2730},{"className":2729},[],[2731],{"type":1878,"value":1886},{"type":1878,"value":2546},{"type":1873,"tag":1874,"props":2734,"children":2735},{},[2736,2738,2743],{"type":1878,"value":2737},"Only optionally.\nIn the interest of alleviating developer pain sooner rather than later, and considering the fact that some significant classes of applications (such as video games) do not use Vulkan Video, it was decided to use an optional feature to indicate whether these layouts can be replaced with ",{"type":1873,"tag":1881,"props":2739,"children":2741},{"className":2740},[],[2742],{"type":1878,"value":1886},{"type":1878,"value":2069},{"type":1873,"tag":2251,"props":2745,"children":2747},{"id":2746},"_can_vk_image_layout_attachment_feedback_loop_optimal_ext_be_replaced_by_vk_image_layout_general",[2748,2749,2754,2755,2760],{"type":1878,"value":2506},{"type":1873,"tag":1881,"props":2750,"children":2752},{"className":2751},[],[2753],{"type":1878,"value":2187},{"type":1878,"value":2539},{"type":1873,"tag":1881,"props":2756,"children":2758},{"className":2757},[],[2759],{"type":1878,"value":1886},{"type":1878,"value":2546},{"type":1873,"tag":1874,"props":2762,"children":2763},{},[2764],{"type":1878,"value":2765},"Yes.\nHowever, the information provided by this layout is necessary for some existing hardware to be able to expose this extension.\nIn the interest of allowing this extension to be supported on as much hardware as early as possible, this extension adds a boolean flag to render pass attachments to indicate whether they are to be used in feedback loops.",{"type":1873,"tag":1874,"props":2767,"children":2768},{},[2769],{"type":1878,"value":2770},"The purpose of this layout is for emulation of legacy APIs and as such is supposed to only be used by API layers.\nGiven the limited scope, and knowledge of existing layers, it was deemed sufficient to only add the aforementioned flag for dynamic rendering.",{"type":1873,"tag":2251,"props":2772,"children":2774},{"id":2773},"_should_image_layouts_in_the_api_be_ignored_required_to_be_vk_image_layout_general_or_simply_provide_the_possibility_of_that_layout_and_a_guarantee_of_efficiency",[2775,2777,2782,2784,2789,2791,2796],{"type":1878,"value":2776},"Should image layouts in the API be ",{"type":1873,"tag":1907,"props":2778,"children":2779},{},[2780],{"type":1878,"value":2781},"ignored",{"type":1878,"value":2783},", ",{"type":1873,"tag":1907,"props":2785,"children":2786},{},[2787],{"type":1878,"value":2788},"required",{"type":1878,"value":2790}," to be ",{"type":1873,"tag":1881,"props":2792,"children":2794},{"className":2793},[],[2795],{"type":1878,"value":1886},{"type":1878,"value":2797},", or simply provide the possibility of that layout and a guarantee of efficiency?",{"type":1873,"tag":1874,"props":2799,"children":2800},{},[2801,2803,2808],{"type":1878,"value":2802},"Experience has shown that \"ignored\" parameters lead to complications and bugs in validation layers and implementations.\n\"Requiring\" ",{"type":1873,"tag":1881,"props":2804,"children":2806},{"className":2805},[],[2807],{"type":1878,"value":1886},{"type":1878,"value":2809}," has the downside that an existing library, unaware of this extension, can no longer be used if this extension is enabled.",{"type":1873,"tag":1874,"props":2811,"children":2812},{},[2813,2815,2820,2822,2827],{"type":1878,"value":2814},"Instead, this extensions adds the possibility for ",{"type":1873,"tag":1881,"props":2816,"children":2818},{"className":2817},[],[2819],{"type":1878,"value":1886},{"type":1878,"value":2821}," to be used where it previously could not be (if possible), e.g. for feedback loop or video layouts.\nAdditionally, it guarantees that using this layout throughout the lifetime of the image is just as efficient as using the other layouts where possible.\nOtherwise, this application functions in the existing synchronization framework of Vulkan, i.e. applications are free to use ",{"type":1873,"tag":1881,"props":2823,"children":2825},{"className":2824},[],[2826],{"type":1878,"value":1886},{"type":1878,"value":2828}," or not as they see fit.",{"type":1873,"tag":2830,"props":2831,"children":2832},"style",{},[2833],{"type":1878,"value":2834},"html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: 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var(--shiki-dark-text-decoration);}",{"title":1985,"searchDepth":14,"depth":14,"links":2836},[2837,2838,2839,2850],{"id":1892,"depth":14,"text":1895},{"id":1921,"depth":14,"text":1924},{"id":1952,"depth":14,"text":1955,"children":2840},[2841,2843,2845,2847,2849],{"id":2253,"depth":18,"text":2842},"Replacing Transition Out Of VK_IMAGE_LAYOUT_UNDEFINED",{"id":2288,"depth":18,"text":2844},"Replacing VK_IMAGE_LAYOUT_PREINITIALIZED",{"id":2325,"depth":18,"text":2846},"Replacing VK_IMAGE_LAYOUT_ATTACHMENT_FEEDBACK_LOOP_OPTIMAL_EXT",{"id":2419,"depth":18,"text":2848},"Replacing VK_IMAGE_LAYOUT_PRESENT_SRC_KHR and VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR",{"id":2472,"depth":18,"text":2475},{"id":2497,"depth":14,"text":2500,"children":2851},[2852,2854,2856,2858,2860,2862,2864],{"id":2503,"depth":18,"text":2853},"Can VK_IMAGE_LAYOUT_UNDEFINED be avoided in this extension?",{"id":2529,"depth":18,"text":2855},"Should VK_IMAGE_LAYOUT_PREINITIALIZED be replaced by VK_IMAGE_LAYOUT_GENERAL?",{"id":2596,"depth":18,"text":2857},"Should VK_IMAGE_LAYOUT_PRESENT_SRC_KHR be replaced by VK_IMAGE_LAYOUT_GENERAL and a queue family ownership transfer?",{"id":2654,"depth":18,"text":2859},"Can VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR be replaced by VK_IMAGE_LAYOUT_GENERAL?",{"id":2723,"depth":18,"text":2861},"Can the Vulkan Video layouts be replaced by VK_IMAGE_LAYOUT_GENERAL?",{"id":2746,"depth":18,"text":2863},"Can VK_IMAGE_LAYOUT_ATTACHMENT_FEEDBACK_LOOP_OPTIMAL_EXT be replaced by VK_IMAGE_LAYOUT_GENERAL?",{"id":2773,"depth":18,"text":2865},"Should image layouts in the API be ignored, required to be VK_IMAGE_LAYOUT_GENERAL, or simply provide the possibility of that layout and a guarantee of efficiency?","markdown",1773054860367]