223 lines
9.0 KiB
C
223 lines
9.0 KiB
C
// This file is part of the FidelityFX SDK.
|
|
//
|
|
// Copyright (C) 2024 Advanced Micro Devices, Inc.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files(the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and /or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions :
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
// @defgroup FSR2
|
|
|
|
#pragma once
|
|
|
|
// Include the interface for the backend of the FSR2 API.
|
|
#include <FidelityFX/host/ffx_interface.h>
|
|
|
|
/// @defgroup FfxSpd FidelityFX SPD
|
|
/// FidelityFX Single Pass Downsampler runtime library
|
|
///
|
|
/// @ingroup SDKComponents
|
|
|
|
/// FidelityFX SPD major version.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
#define FFX_SPD_VERSION_MAJOR (2)
|
|
|
|
/// FidelityFX SPD minor version.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
#define FFX_SPD_VERSION_MINOR (2)
|
|
|
|
/// FidelityFX SPD patch version.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
#define FFX_SPD_VERSION_PATCH (0)
|
|
|
|
/// FidelityFX SPD context count
|
|
///
|
|
/// Defines the number of internal effect contexts required by SPD
|
|
///
|
|
/// @ingroup FfxSpd
|
|
#define FFX_SPD_CONTEXT_COUNT 1
|
|
|
|
/// The size of the context specified in 32bit values.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
#define FFX_SPD_CONTEXT_SIZE (9300)
|
|
|
|
/// If this ever changes, need to also reflect a change in number
|
|
/// of resources in ffx_spd_resources.h
|
|
///
|
|
/// @ingroup FfxSpd
|
|
#define SPD_MAX_MIP_LEVELS 12
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif // #if defined(__cplusplus)
|
|
|
|
/// An enumeration of the pass which constitutes the SPD algorithm.
|
|
///
|
|
/// SPD is implemented as a single pass algorithm. Each call to the
|
|
/// <c><i>FfxSPDScheduleGpuJobFunc</i></c> callback function will
|
|
/// correspond to a single downsample job. For a
|
|
/// more comprehensive description of SPD's inner workings, please
|
|
/// refer to the SPD reference documentation.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
typedef enum FfxSpdPass
|
|
{
|
|
|
|
FFX_SPD_PASS_DOWNSAMPLE = 0, ///< A pass which which downsamples all mips
|
|
|
|
FFX_SPD_PASS_COUNT ///< The number of passes in SPD
|
|
} FfxSpdPass;
|
|
|
|
typedef enum FfxSpdDownsampleFilter
|
|
{
|
|
FFX_SPD_DOWNSAMPLE_FILTER_MEAN = 0,
|
|
FFX_SPD_DOWNSAMPLE_FILTER_MIN,
|
|
FFX_SPD_DOWNSAMPLE_FILTER_MAX,
|
|
FFX_SPD_DOWNSAMPLE_FILTER_COUNT
|
|
} FfxSpdDownsampleFilter;
|
|
|
|
/// An enumeration of bit flags used when creating a
|
|
/// <c><i>FfxSpdContext</i></c>. See <c><i>FfxSpdContextDescription</i></c>.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
typedef enum FfxSpdInitializationFlagBits {
|
|
|
|
FFX_SPD_SAMPLER_LOAD = (1 << 0), ///< A bit indicating if we should use resource loads (favor loads over sampler)
|
|
FFX_SPD_SAMPLER_LINEAR = (1 << 1), ///< A bit indicating if we should use sampler to load resources.
|
|
FFX_SPD_WAVE_INTEROP_LDS = (1 << 2), ///< A bit indicating if we should use LDS
|
|
FFX_SPD_WAVE_INTEROP_WAVE_OPS = (1 << 3), ///< A bit indicating if we should use WAVE OPS (favor wave ops over LDS)
|
|
FFX_SPD_MATH_NONPACKED = (1 << 4), ///< A bit indicating if we should use floating point math
|
|
FFX_SPD_MATH_PACKED = (1 << 5) ///< A bit indicating if we should use 16-bit half precision floating point math (favored)
|
|
|
|
} FfxSpdInitializationFlagBits;
|
|
|
|
/// A structure encapsulating the parameters required to initialize FidelityFX
|
|
/// Single Pass Downsampler.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
typedef struct FfxSpdContextDescription {
|
|
|
|
uint32_t flags; ///< A collection of <c><i>FfxSpdInitializationFlagBits</i></c>
|
|
FfxSpdDownsampleFilter downsampleFilter;
|
|
FfxInterface backendInterface; ///< A set of pointers to the backend implementation for FidelityFX.
|
|
|
|
} FfxSpdContextDescription;
|
|
|
|
/// A structure encapsulating the parameters for dispatching
|
|
/// of FidelityFX Single Pass Downsampler
|
|
///
|
|
/// @ingroup FfxSpd
|
|
typedef struct FfxSpdDispatchDescription {
|
|
|
|
FfxCommandList commandList; ///< The <c><i>FfxCommandList</i></c> to record rendering commands into.
|
|
FfxResource resource; ///< The <c><i>FfxResource</i></c> to downsample
|
|
|
|
} FfxSpdDispatchDescription;
|
|
|
|
/// A structure encapsulating the FidelityFX single pass downsampler context.
|
|
///
|
|
/// This sets up an object which contains all persistent internal data and
|
|
/// resources that are required by SPD.
|
|
///
|
|
/// The <c><i>FfxSpdContext</i></c> object should have a lifetime matching
|
|
/// your use of FSR1. Before destroying the SPD context care should be taken
|
|
/// to ensure the GPU is not accessing the resources created or used by SPD.
|
|
/// It is therefore recommended that the GPU is idle before destroying the
|
|
/// SPD context.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
typedef struct FfxSpdContext {
|
|
|
|
uint32_t data[FFX_SPD_CONTEXT_SIZE]; ///< An opaque set of <c>uint32_t</c> which contain the data for the context.
|
|
} FfxSpdContext;
|
|
|
|
/// Create a FidelityFX Single Pass Downsampler context from the parameters
|
|
/// programmed to the <c><i>FfxSpdContextDescription</i></c> structure.
|
|
///
|
|
/// The context structure is the main object used to interact with the Single
|
|
/// Pass Downsampler API, and is responsible for the management of the internal resources
|
|
/// used by the SPD algorithm. When this API is called, multiple calls
|
|
/// will be made via the pointers contained in the <c><i>backendInterface</i></c>
|
|
/// structure. This backend will attempt to retrieve the device capabilities,
|
|
/// and create the internal resources, and pipelines required by SPD to function.
|
|
/// Depending on the precise configuration used when
|
|
/// creating the <c><i>FfxSpdContext</i></c> a different set of resources and
|
|
/// pipelines might be requested via the callback functions.
|
|
///
|
|
/// The <c><i>FfxSpdContext</i></c> should be destroyed when use of it is
|
|
/// completed, typically when an application is unloaded or SPD
|
|
/// upscaling is disabled by a user. To destroy the SPD context you
|
|
/// should call <c><i>ffxSpdContextDestroy</i></c>.
|
|
///
|
|
/// @param [out] pContext A pointer to a <c><i>FfxSpdContext</i></c> structure to populate.
|
|
/// @param [in] pContextDescription A pointer to a <c><i>FfxSpdContextDescription</i></c> structure.
|
|
///
|
|
/// @retval
|
|
/// FFX_OK The operation completed successfully.
|
|
/// @retval
|
|
/// 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>.
|
|
/// @retval
|
|
/// FFX_ERROR_INCOMPLETE_INTERFACE The operation failed because the <c><i>FfxSpdContextDescription.callbacks</i></c> was not fully specified.
|
|
/// @retval
|
|
/// FFX_ERROR_BACKEND_API_ERROR The operation failed because of an error returned from the backend.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
FFX_API FfxErrorCode ffxSpdContextCreate(FfxSpdContext* pContext, const FfxSpdContextDescription* pContextDescription);
|
|
|
|
/// Dispatches work to the FidelityFX SPD context
|
|
///
|
|
/// @param [out] pContext A pointer to a <c><i>FfxSpdContext</i></c> structure to populate.
|
|
/// @param [in] pDispatchDescription A pointer to a <c><i>FfxSpdDispatchDescription</i></c> structure.
|
|
///
|
|
/// @retval
|
|
/// FFX_OK The operation completed successfully.
|
|
/// @retval
|
|
/// 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>.
|
|
/// @retval
|
|
/// FFX_ERROR_BACKEND_API_ERROR The operation failed because of an error returned from the backend.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
FFX_API FfxErrorCode ffxSpdContextDispatch(FfxSpdContext* pContext, const FfxSpdDispatchDescription* pDispatchDescription);
|
|
|
|
/// Destroy the FidelityFX SPD context.
|
|
///
|
|
/// @param [out] pContext A pointer to a <c><i>FfxSpdContext</i></c> structure to destroy.
|
|
///
|
|
/// @retval
|
|
/// FFX_OK The operation completed successfully.
|
|
/// @retval
|
|
/// FFX_ERROR_CODE_NULL_POINTER The operation failed because either <c><i>context</i></c> was <c><i>NULL</i></c>.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
FFX_API FfxErrorCode ffxSpdContextDestroy(FfxSpdContext* pContext);
|
|
|
|
/// Queries the effect version number.
|
|
///
|
|
/// @returns
|
|
/// The SDK version the effect was built with.
|
|
///
|
|
/// @ingroup FfxSpd
|
|
FFX_API FfxVersionNumber ffxSpdGetEffectVersion();
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif // #if defined(__cplusplus)
|