// This file is part of the FidelityFX SDK. // // Copyright (c) 2022-2023 Advanced Micro Devices, Inc. All rights reserved. // // 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. #pragma once #include "ffx_types.h" /// The value of Pi. const float FFX_PI = …; /// An epsilon value for floating point numbers. const float FFX_EPSILON = …; /// Helper macro to create the version number. #define FFX_MAKE_VERSION(major, minor, patch) … ///< Use this to specify no version. #define FFX_UNSPECIFIED_VERSION … /// Helper macro to avoid warnings about unused variables. #define FFX_UNUSED(x) … /// Helper macro to align an integer to the specified power of 2 boundary #define FFX_ALIGN_UP(x, y) … /// Helper macro to check if a value is aligned. #define FFX_IS_ALIGNED(x) … /// Helper macro to stringify a value. #define FFX_STR(s) … #define FFX_XSTR(s) … /// Helper macro to forward declare a structure. #define FFX_FORWARD_DECLARE(x) … /// Helper macro to return the maximum of two values. #define FFX_MAXIMUM(x, y) … /// Helper macro to return the minimum of two values. #define FFX_MINIMUM(x, y) … /// Helper macro to do safe free on a pointer. #define FFX_SAFE_FREE(x) … /// Helper macro to return the abs of an integer value. #define FFX_ABSOLUTE(x) … /// Helper macro to return sign of a value. #define FFX_SIGN(x) … /// Helper macro to work out the number of elements in an array. #define FFX_ARRAY_ELEMENTS(x) … /// The maximum length of a path that can be specified to the FidelityFX API. #define FFX_MAXIMUM_PATH … /// Helper macro to check if the specified key is set in a bitfield. #define FFX_CONTAINS_FLAG(options, key) …