rr: add FSR Ray Regeneration, exact RDNA3 inference and motion experiments
Add an experimental FSR Ray Regeneration backend for D3D12 RR requests: - Convert depth, motion, normals and albedos into AMD denoiser inputs. - Split and recompose diffuse/specular signals, then run Super Sampling. - Add stability/detail controls, demodulation guards and halo limiting. - Handle AMD provider discovery under NVIDIA GPU spoofing. - Add runtime probes, synthetic reference scenes and per-dispatch profiling. Add exact gfx11 DLSS-RR inference using f16 cooperative matrices: - Reproduce FP8 conversions, accumulation and camera reprojection arithmetic. - Widen model weights and avoid requiring VK_EXT_shader_float8. - Extend model building, replay tools and descriptor metadata. Expand motion preprocessing and experimental AW2 native-motion support: - Add tiled LDS dilation, padded allocation handling and thin-only sky fill. - Order dilation with input waits and NGX on the selected stream. - Add jitter-aligned native composition, hybrid routing and wire history repair. - Add prepared masks, sparse repair and independent motion/repair controls. Add optional fused R11G11B10 input/output conversion, sampled stage timings and profile summarization. Extend configuration, packaging, documentation, FidelityFX headers and CPU/GPU regression coverage.
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// This file is part of the FidelityFX SDK.
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//
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// Copyright (C) 2026 Advanced Micro Devices, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and /or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#if defined(__cplusplus)
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extern "C" {
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#endif // #if defined(__cplusplus)
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#define FFX_API_ENTRY __declspec(dllexport)
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#include <stdint.h>
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enum FfxApiReturnCodes
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{
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FFX_API_RETURN_OK = 0, ///< The oparation was successful.
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FFX_API_RETURN_ERROR = 1, ///< An error occurred that is not further specified.
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FFX_API_RETURN_ERROR_UNKNOWN_DESCTYPE = 2, ///< The structure type given was not recognized for the function or context with which it was used. This is likely a programming error.
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FFX_API_RETURN_ERROR_RUNTIME_ERROR = 3, ///< The underlying runtime (e.g. D3D12, Vulkan) or effect returned an error code.
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FFX_API_RETURN_NO_PROVIDER = 4, ///< No provider was found for the given structure type. This is likely a programming error.
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FFX_API_RETURN_ERROR_MEMORY = 5, ///< A memory allocation failed.
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FFX_API_RETURN_ERROR_PARAMETER = 6, ///< A parameter was invalid, e.g. a null pointer, empty resource or out-of-bounds enum value.
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FFX_API_RETURN_PROVIDER_NO_SUPPORT_NEW_DESCTYPE = 7, ///< The structure type given is new and not supported in the old provider. This is likely fixed with driver upgrade or effect DLL upgrade.
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};
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typedef void* ffxContext;
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typedef uint32_t ffxReturnCode_t;
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#define FFX_API_EFFECT_MASK 0x00ff0000u
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#define FFX_API_BACKEND_MASK 0xff000000u
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#define FFX_API_EFFECT_ID_GENERAL 0x00000000u
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// Base Descriptor types
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typedef uint64_t ffxStructType_t;
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typedef struct ffxApiHeader
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{
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ffxStructType_t type; ///< The structure type. Must always be set to the corresponding value for any structure (found nearby with a similar name).
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struct ffxApiHeader* pNext; ///< Pointer to next structure, used for optional parameters and extensions. Can be null.
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} ffxApiHeader;
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typedef ffxApiHeader ffxCreateContextDescHeader;
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typedef ffxApiHeader ffxConfigureDescHeader;
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typedef ffxApiHeader ffxQueryDescHeader;
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typedef ffxApiHeader ffxDispatchDescHeader;
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// Extensions for global debug
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#define FFX_API_CONFIGURE_GLOBALDEBUG_LEVEL_SILENCE 0x0000000u
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#define FFX_API_CONFIGURE_GLOBALDEBUG_LEVEL_ERRORS 0x0000001u
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#define FFX_API_CONFIGURE_GLOBALDEBUG_LEVEL_WARNINGS 0x0000002u
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#define FFX_API_CONFIGURE_GLOBALDEBUG_LEVEL_VERBOSE 0xfffffffu
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enum FfxApiMsgType
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{
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FFX_API_MESSAGE_TYPE_ERROR = 0,
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FFX_API_MESSAGE_TYPE_WARNING = 1,
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FFX_API_MESSAGE_TYPE_COUNT
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};
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typedef void (*ffxApiMessage)(uint32_t type, const wchar_t* message);
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#define FFX_API_CONFIGURE_DESC_TYPE_GLOBALDEBUG1 0x0000001u
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struct ffxConfigureDescGlobalDebug1
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{
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ffxConfigureDescHeader header;
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ffxApiMessage fpMessage;
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uint32_t debugLevel;
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};
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#define FFX_API_CONFIGURE_DESC_TYPE_GLOBALDEBUG 7u
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struct ffxConfigureDescGlobalDebug
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{
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ffxConfigureDescHeader header;
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uint64_t effectId;
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ffxApiMessage fpMessage; ///< A pointer to a function that can receive messages from the runtime. May be null.
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uint32_t debugLevel;
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};
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#define FFX_API_QUERY_DESC_TYPE_GET_VERSIONS 4u
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struct ffxQueryDescGetVersions
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{
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ffxQueryDescHeader header;
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uint64_t createDescType; ///< Create description for the effect whose versions should be enumerated.
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void* device; ///< For DX12: pointer to ID3D12Device.
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uint64_t *outputCount; ///< Input capacity of id and name arrays. Output number of returned versions. If initially zero, output is number of available versions.
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uint64_t *versionIds; ///< Output array of version ids to be used as version overrides. If null, only names and count are returned.
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const char** versionNames; ///< Output array of version names for display. If null, only ids and count are returned. If both this and versionIds are null, only count is returned.
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};
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#define FFX_API_DESC_TYPE_OVERRIDE_VERSION 5u
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struct ffxOverrideVersion
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{
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ffxApiHeader header;
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uint64_t versionId; ///< Id of version to use. Must be a value returned from a query in ffxQueryDescGetVersions.versionIds array.
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};
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#define FFX_API_QUERY_DESC_TYPE_GET_PROVIDER_VERSION 6u
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struct ffxQueryGetProviderVersion
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{
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ffxQueryDescHeader header;
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uint64_t versionId; ///< Id of provider being used for queried context. 0 if invalid.
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const char* versionName; ///< Version name for display. If nullptr, the query was invalid.
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};
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// Memory allocation function. Must return a valid pointer to at least size bytes of memory aligned to hold any type.
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// May return null to indicate failure. Standard library malloc fulfills this requirement.
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typedef void* (*ffxAlloc)(void* pUserData, uint64_t size);
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// Memory deallocation function. May be called with null pointer as second argument.
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typedef void (*ffxDealloc)(void* pUserData, void* pMem);
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typedef struct ffxAllocationCallbacks
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{
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void* pUserData;
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ffxAlloc alloc;
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ffxDealloc dealloc;
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} ffxAllocationCallbacks;
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// Creates a FFX object context.
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// Depending on the desc structures provided to this function, the context will be created with the desired version and attributes.
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// Non-zero return indicates error code.
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// Pointers passed in desc must remain live until ffxDestroyContext is called on the context.
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// MemCb may be null; the system allocator (malloc/free) will be used in this case.
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FFX_API_ENTRY ffxReturnCode_t ffxCreateContext(ffxContext* context, ffxCreateContextDescHeader* desc, const ffxAllocationCallbacks* memCb);
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typedef ffxReturnCode_t (*PfnFfxCreateContext)(ffxContext* context, ffxCreateContextDescHeader* desc, const ffxAllocationCallbacks* memCb);
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// Destroys an FFX object context.
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// Non-zero return indicates error code.
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// MemCb must be compatible with the callbacks passed into ffxCreateContext.
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FFX_API_ENTRY ffxReturnCode_t ffxDestroyContext(ffxContext* context, const ffxAllocationCallbacks* memCb);
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typedef ffxReturnCode_t (*PfnFfxDestroyContext)(ffxContext* context, const ffxAllocationCallbacks* memCb);
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// Configures the provided FFX object context.
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// If context is null, configure operates on any global state.
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// Non-zero return indicates error code.
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FFX_API_ENTRY ffxReturnCode_t ffxConfigure(ffxContext* context, const ffxConfigureDescHeader* desc);
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typedef ffxReturnCode_t (*PfnFfxConfigure)(ffxContext* context, const ffxConfigureDescHeader* desc);
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// Queries the provided FFX object context.
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// If context is null, query operates on any global state.
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// Non-zero return indicates error code.
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FFX_API_ENTRY ffxReturnCode_t ffxQuery(ffxContext* context, ffxQueryDescHeader* desc);
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typedef ffxReturnCode_t (*PfnFfxQuery)(ffxContext* context, ffxQueryDescHeader* desc);
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// Dispatches work on the given FFX object context defined by the dispatch descriptor.
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// Non-zero return indicates error code.
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FFX_API_ENTRY ffxReturnCode_t ffxDispatch(ffxContext* context, const ffxDispatchDescHeader* desc);
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typedef ffxReturnCode_t (*PfnFfxDispatch)(ffxContext* context, const ffxDispatchDescHeader* desc);
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// FFX_API_EFFECT_IDs
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#define FFX_API_EFFECT_ID_UPSCALE 0x00010000u
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#define FFX_API_EFFECT_ID_FRAMEGENERATION 0x00020000u
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#define FFX_API_EFFECT_ID_FRAMEGENERATIONSWAPCHAIN 0x00030000u
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// Need to keep this ID around for the deprecated VK frame gen swapchain
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#define FFX_API_EFFECT_ID_FRAMEGENERATIONSWAPCHAIN_VK 0x00040000u
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// Need to keep this ID around for the deprecated VK frame gen swapchain
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#define FFX_API_EFFECT_ID_DENOISER 0x00050000u
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#define FFX_API_EFFECT_ID_RADIANCECACHE 0x00060000u
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#define FFX_API_MAKE_EFFECT_SUB_ID(effectId, subversion) ((effectId & FFX_API_EFFECT_MASK) | (subversion & ~FFX_API_EFFECT_MASK))
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// FFX_APID_BACKEND_IDs
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#define FFX_API_BACKEND_ID_DX12 0x00000000u
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#define FFX_API_BACKEND_ID_XBOX 0x01000000u
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#define FFX_API_BACKEND_ID_VK 0x02000000u // For new effects going forward, please use this backend ID for vulkan specifics
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#define FFX_API_MAKE_BACKEND_SUB_ID(backendId, subversion) ((backendId & FFX_API_BACKEND_MASK) | (subversion & ~FFX_API_BACKEND_MASK))
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// Combiner for BACKEND-specific EFFECT sub-Ids
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#define FFX_API_MAKE_BACKEND_EFFECT_SUB_ID(backendId, effectId, subversion) ((subversion & ~FFX_API_EFFECT_MASK) | (effectId & FFX_API_EFFECT_MASK) | (backendId & FFX_API_BACKEND_MASK) | (subversion & ~(FFX_API_BACKEND_MASK | FFX_API_EFFECT_MASK)))
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// Pragma macros for controlling warnings so that deprecations take affect externally but can be suppressed internally.
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// This is so we can maintain the API/ABI until we are ready to make the breaking change.
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// These are sadly compiler specific.
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#if defined(_MSC_VER) && !defined(__clang__) && !defined(__GNUC__) && !defined(__INTEL_COMPILER)
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#define FFX_PRAGMA_WARNING_PUSH warning( push )
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#define FFX_PRAGMA_WARNING_POP warning( pop )
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#define FFX_PRAGMA_WARNING_DISABLE_DEPRECATIONS warning( disable: 4996 )
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#define FFX_PRAGMA_WARNING_WARN_DEPRECATIONS warning( default: 4996 )
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#elif defined(__clang__) || defined(__GNUC__)
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#define FFX_PRAGMA_WARNING_PUSH GCC diagnostic push
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#define FFX_PRAGMA_WARNING_POP GCC diagnostic pop
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#define FFX_PRAGMA_WARNING_DISABLE_DEPRECATIONS GCC diagnostic ignored "-Wdeprecated"
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#define FFX_PRAGMA_WARNING_WARN_DEPRECATIONS GCC diagnostic warning "-Wdeprecated"
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#else
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#define FFX_PRAGMA_WARNING_PUSH
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#define FFX_PRAGMA_WARNING_POP
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#define FFX_PRAGMA_WARNING_DISABLE_DEPRECATIONS
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#endif
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#define FFX_DEPRECATION(message) [[deprecated(message)]]
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#if defined(__cplusplus)
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}
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#endif // #if defined(__cplusplus)
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