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Some renaming
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273
betterRenderer/thirdparty/fsr2/include/FidelityFX/host/ffx_lpm.h
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betterRenderer/thirdparty/fsr2/include/FidelityFX/host/ffx_lpm.h
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// This file is part of the FidelityFX SDK.
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//
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// Copyright (C) 2024 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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// @defgroup LPM
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#pragma once
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// Include the interface for the backend of the LPM 1.0 API.
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#include <FidelityFX/host/ffx_interface.h>
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/// @defgroup FfxLpm FidelityFX LPM
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/// FidelityFX Luma Preserving Mapper runtime library
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///
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/// @ingroup SDKComponents
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/// FidelityFX Luma Preserving Mapper 1.3 major version.
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///
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/// @ingroup FfxLpm
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#define FFX_LPM_VERSION_MAJOR (1)
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/// FidelityFX Luma Preserving Mapper 1.3 minor version.
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///
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/// @ingroup FfxLpm
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#define FFX_LPM_VERSION_MINOR (4)
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/// FidelityFX Luma Preserving Mapper 1.3 patch version.
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///
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/// @ingroup FfxLpm
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#define FFX_LPM_VERSION_PATCH (0)
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/// FidelityFX Luma Preserving Mapper context count
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///
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/// Defines the number of internal effect contexts required by LPM
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///
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/// @ingroup FfxLpm
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#define FFX_LPM_CONTEXT_COUNT 1
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/// The size of the context specified in 32bit values.
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///
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/// @ingroup FfxLpm
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#define FFX_LPM_CONTEXT_SIZE (9300)
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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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/// An enumeration of all the passes which constitute the LPM algorithm.
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///
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/// LPM is implemented as a composite of several compute passes each
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/// computing a key part of the final result. Each call to the
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/// <c><i>FfxLPMScheduleGpuJobFunc</i></c> callback function will
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/// correspond to a single pass included in <c><i>FfxLPMPass</i></c>. For a
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/// more comprehensive description of each pass, please refer to the LPM
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/// reference documentation.
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///
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/// @ingroup FfxLpm
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typedef enum FfxLpmPass
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{
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FFX_LPM_PASS_FILTER = 0, ///< A pass which filters the color buffer using LPM's tone and gamut mapping solution.
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FFX_LPM_PASS_COUNT ///< The number of passes performed by LPM.
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} FfxLpmPass;
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/// An enumeration of monitor display modes supported by LPM
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/// FFX_LPM_DISPLAYMODE_LDR tagets low or standard dynamic range monitor using 8bit back buffer
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/// FFX_LPM_DISPLAYMODE_HDR10_2084 targets HDR10 perceptual quantizer (PQ) transfer function using 10bit backbuffer
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/// FFX_LPM_DISPLAYMODE_HDR10_SCRGB targets HDR10 linear output with no transfer function using 16bit backbuffer
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/// FFX_LPM_DISPLAYMODE_FSHDR_2084 targets freesync premium pro hdr thorugh PQ transfer function using 10bit backbuffer
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/// FFX_LPM_DISPLAYMODE_FSHDR_SCRGB targets linear output with no transfer function using 16bit backbuffer
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/// @ingroup LPM
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typedef enum class FfxLpmDisplayMode
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{
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FFX_LPM_DISPLAYMODE_LDR = 0,
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FFX_LPM_DISPLAYMODE_HDR10_2084 = 1,
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FFX_LPM_DISPLAYMODE_HDR10_SCRGB = 2,
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FFX_LPM_DISPLAYMODE_FSHDR_2084 = 3,
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FFX_LPM_DISPLAYMODE_FSHDR_SCRGB = 4
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} FfxLpmDisplayMode;
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/// An enumeration of colourspaces supported by LPM
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/// FFX_LPM_ColorSpace_REC709 uses rec709 colour primaries used for FFX_LPM_DISPLAYMODE_LDR, FFX_LPM_DISPLAYMODE_HDR10_SCRGB and FFX_LPM_DISPLAYMODE_FSHDR_SCRGB modes
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/// FFX_LPM_ColorSpace_P3 uses P3 colour primaries
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/// FFX_LPM_ColorSpace_REC2020 uses rec2020 colour primaries used for FFX_LPM_DISPLAYMODE_HDR10_2084 and FFX_LPM_DISPLAYMODE_FSHDR_2084 modes
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/// FFX_LPM_ColorSapce_Display uses custom primaries queried from display
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/// @ingroup LPM
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typedef enum class FfxLpmColorSpace
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{
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FFX_LPM_ColorSpace_REC709 = 0,
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FFX_LPM_ColorSpace_P3 = 1,
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FFX_LPM_ColorSpace_REC2020 = 2,
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FFX_LPM_ColorSapce_Display = 3,
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} FfxLpmColorSpace;
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/// An enumeration of bit flags used when creating a
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/// <c><i>FfxLpmContext</i></c>. See <c><i>FfxLpmContextDescription</i></c>.
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///
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/// @ingroup FfxLpm
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typedef enum FfxLpmInitializationFlagBits
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{
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} FfxLpmInitializationFlagBits;
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/// A structure encapsulating the parameters required to initialize FidelityFX
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/// Luma Preserving Mapper
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///
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/// @ingroup FfxLpm
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typedef struct FfxLpmContextDescription
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{
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uint32_t flags;
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FfxInterface backendInterface; ///< A set of pointers to the backend implementation for LPM.
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} FfxLpmContextDescription;
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/// A structure encapsulating the parameters for dispatching the various passes
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/// of FidelityFX Luma Preserving Mapper 1.0
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///
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/// @ingroup FfxLpm
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typedef struct FfxLpmDispatchDescription
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{
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FfxCommandList commandList; ///< The <c><i>FfxCommandList</i></c> to record LPM rendering commands into.
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FfxResource inputColor; ///< A <c><i>FfxResource</i></c> containing the color buffer for the current frame.
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FfxResource outputColor; ///< A <c><i>FfxResource</i></c> containing the tone and gamut mapped output color buffer for the current frame.
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bool shoulder;
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float softGap;
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float hdrMax;
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float lpmExposure;
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float contrast;
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float shoulderContrast;
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float saturation[3];
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float crosstalk[3];
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FfxLpmColorSpace colorSpace;
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FfxLpmDisplayMode displayMode;
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float displayRedPrimary[2];
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float displayGreenPrimary[2];
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float displayBluePrimary[2];
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float displayWhitePoint[2];
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float displayMinLuminance;
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float displayMaxLuminance;
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} FfxLpmDispatchDescription;
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/// A structure encapsulating the FidelityFX Luma Preserving 1.0 context.
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///
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/// This sets up an object which contains all persistent internal data and
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/// resources that are required by LPM.
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///
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/// The <c><i>FfxLpmContext</i></c> object should have a lifetime matching
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/// your use of LPM. Before destroying the LPM context care should be taken
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/// to ensure the GPU is not accessing the resources created or used by LPM.
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/// It is therefore recommended that the GPU is idle before destroying the
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/// LPM context.
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///
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/// @ingroup FfxLpm
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typedef struct FfxLpmContext
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{
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uint32_t data[FFX_LPM_CONTEXT_SIZE]; ///< An opaque set of <c>uint32_t</c> which contain the data for the context.
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} FfxLpmContext;
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/// Create a FidelityFX Luma Preserving 1.0 context from the parameters
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/// programmed to the <c><i>FfxLpmContextDescription</i></c> structure.
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///
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/// The context structure is the main object used to interact with the Luma Preserving
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/// Mapper 1.0 API, and is responsible for the management of the internal resources
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/// used by the LPM algorithm. When this API is called, multiple calls
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/// will be made via the pointers contained in the <c><i>callbacks</i></c>
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/// structure. These callbacks will attempt to retreive the device capabilities,
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/// and create the internal resources, and pipelines required by LPM
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/// frame-to-frame function. Depending on the precise configuration used when
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/// creating the <c><i>FfxLpmContext</i></c> a different set of resources and
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/// pipelines might be requested via the callback functions.
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///
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/// The <c><i>FfxLpmContext</i></c> should be destroyed when use of it is
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/// completed, typically when an application is unloaded or LPM
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/// tone and gamut mapping is disabled by a user. To destroy the LPM context you
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/// should call <c><i>ffxLpmContextDestroy</i></c>.
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///
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/// @param [out] pContext A pointer to a <c><i>FfxLpmContext</i></c> structure to populate.
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/// @param [in] pContextDescription A pointer to a <c><i>FfxLpmContextDescription</i></c> structure.
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///
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/// @retval
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/// FFX_OK The operation completed successfully.
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/// @retval
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/// FFX_ERROR_CODE_NULL_POINTER The operation failed because either <c><i>context</i></c> or <c><i>contextDescription</i></c> was <c><i>NULL</i></c>.
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/// @retval
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/// FFX_ERROR_INCOMPLETE_INTERFACE The operation failed because the <c><i>FfxLpmContextDescription.callbacks</i></c> was not fully specified.
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/// @retval
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/// FFX_ERROR_BACKEND_API_ERROR The operation failed because of an error returned from the backend.
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///
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/// @ingroup FfxLpm
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FFX_API FfxErrorCode ffxLpmContextCreate(FfxLpmContext* pContext, const FfxLpmContextDescription* pContextDescription);
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/// Dispatches work to the FidelityFX LPM context
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/// @param [out] pContext A pointer to a <c><i>FfxLpmContext</i></c> structure to populate.
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/// @param [in] pDispatchDescription A pointer to a <c><i>FfxLpmDispatchDescription</i></c> structure.
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///
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/// @retval
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/// FFX_OK The operation completed successfully.
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/// @retval
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/// FFX_ERROR_CODE_NULL_POINTER The operation failed because either <c><i>context</i></c> or <c><i>dispatchDescription</i></c> was <c><i>NULL</i></c>.
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/// @retval
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/// FFX_ERROR_BACKEND_API_ERROR The operation failed because of an error returned from the backend.
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///
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/// @ingroup FfxLpm
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FFX_API FfxErrorCode ffxLpmContextDispatch(FfxLpmContext* pContext, const FfxLpmDispatchDescription* pDispatchDescription);
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/// Destroy the FidelityFX LPM context.
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///
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/// @param [out] pContext A pointer to a <c><i>FfxLpmContext</i></c> structure to destroy.
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///
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/// @retval
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/// FFX_OK The operation completed successfully.
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/// @retval
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/// FFX_ERROR_CODE_NULL_POINTER The operation failed because either <c><i>context</i></c> was <c><i>NULL</i></c>.
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///
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/// @ingroup FfxLpm
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FFX_API FfxErrorCode ffxLpmContextDestroy(FfxLpmContext* pContext);
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/// Sets up the constant buffer data necessary for LPM compute
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///
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/// @param [in] incon
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/// @param [in] insoft
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/// @param [in] incon2
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/// @param [in] inclip
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/// @param [in] inscaleOnly
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/// @param [out] outcon
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/// @param [out] outsoft
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/// @param [out] outcon2
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/// @param [out] outclip
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/// @param [out] outscaleOnly
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///
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/// @retval
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/// FFX_OK The operation completed successfully.
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///
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/// @ingroup FfxLpm
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FFX_API FfxErrorCode FfxPopulateLpmConsts(bool incon,
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bool insoft,
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bool incon2,
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bool inclip,
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bool inscaleOnly,
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uint32_t& outcon,
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uint32_t& outsoft,
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uint32_t& outcon2,
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uint32_t& outclip,
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uint32_t& outscaleOnly);
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/// Queries the effect version number.
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///
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/// @returns
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/// The SDK version the effect was built with.
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///
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/// @ingroup FfxLpm
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FFX_API FfxVersionNumber ffxLpmGetEffectVersion();
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#if defined(__cplusplus)
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}
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#endif // #if defined(__cplusplus)
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