Update amdgpu-windows-interop with latest changes (#1718)
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@@ -1,226 +1,226 @@
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/*
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***********************************************************************************************************************
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*
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* Copyright (c) 2014-2025 Advanced Micro Devices, Inc. All Rights Reserved.
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*
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* 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.
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||||
*
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||||
* 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,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
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*
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**********************************************************************************************************************/
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/**
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***********************************************************************************************************************
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* @file palMath.h
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* @brief PAL utility collection function/constant declarations for the Math sub-namespace.
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***********************************************************************************************************************
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*/
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#pragma once
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#include "palSysMemory.h"
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#include <limits>
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namespace Util
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{
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/// Util sub-namespace defining several useful math routines and constants.
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namespace Math
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{
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/// Exponent mask of a single-precision IEEE float.
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constexpr uint32 FloatExponentMask = 0x7F800000;
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/// Exponent bias of a single-precision IEEE float.
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constexpr uint32 FloatExponentBias = 127;
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/// Number of bits in the mantissa of a single-precision IEEE float.
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constexpr uint32 FloatNumMantissaBits = 23;
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/// Mantissa mask of a single-precision IEEE float.
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constexpr uint32 FloatMantissaMask = 0x007FFFFF;
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/// Sign bit mask of a single precision IEEE float.
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constexpr uint32 FloatSignBitMask = 0x80000000;
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/// Mask of all non-sign bits of a single-precision IEEE float.
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constexpr uint32 FloatMaskOutSignBit = 0x7FFFFFFF;
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/// Minimum number of float bits in a normalized IEE float.
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constexpr uint32 MinNormalizedFloatBits = 0x00800000;
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/// Positive one.
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constexpr float FloatOne = 1.0f;
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/// Negative one.
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constexpr float FloatNegOne = -1.0f;
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/// Zero.
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constexpr float FloatZero = 0.0f;
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/// Positive infinity.
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constexpr float FloatInfinity = std::numeric_limits<float>::infinity();
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/// Fraction structure.
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struct Fraction
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{
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uint32 num; ///< Numerator
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uint32 den; ///< Denominator
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};
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/// Returns the bits of a floating point value as an unsigned integer.
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inline uint32 FloatToBits(float f)
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{
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return (*(reinterpret_cast<uint32*>(&f)));
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}
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/// Assigns the bits contained in an unsigned integer to the float pointer location
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inline void SetBitsToFloat(float* f, uint32 u)
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{
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*(reinterpret_cast<uint32*>(f)) = u;
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}
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/// Returns true if the specified float is denormalized.
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extern bool IsDenorm(float f);
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/// Returns true if the specified float is +/- infinity.
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extern bool IsInf(float f);
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/// Returns true if the specified float is a NaN.
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extern bool IsNaN(float f);
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/// Determines if a floating-point number is either +/-Infinity or NaN.
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inline bool IsInfOrNaN(float f)
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{
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return (IsInf(f) || IsNaN(f));
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}
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/// @brief Converts a floating point number to a signed fixed point number with the given integer and fractional bits.
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///
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/// If the number of integer bits is zero, the incoming value is treated as normalized, i.e. [-1.0, 1.0]. If the
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/// intBits is zero, the fracBits is assumed to include 1 sign bit, otherwise the sign bit is assumed to be part of the
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/// intBits. A typical use for enableRounding would be when converting SNORM/UNORM values to fixed point.
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///
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/// @param [in] f Floating point value to convert.
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/// @param [in] intBits Number of integer bits (including the sign bit) in the fixed point output.
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/// @param [in] fracBits Number of fractional bits in the fixed point output.
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/// @param [in] enableRounding Round before conversion.
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///
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/// @returns Fixed point number in a uint32.
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extern uint32 FloatToSFixed(float f, uint32 intBits, uint32 fracBits, bool enableRounding = false);
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/// @brief Converts a floating point number to an unsigned fixed point number with the given integer and
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/// fractional bits.
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///
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/// If the number of integer bits is zero, the incoming value is treated as normalized, i.e. [-1.0, 1.0]. A typical use
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/// for enableRounding would be when converting SNORM/UNORM values to fixed point.
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///
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/// @param [in] f Floating point value to convert.
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/// @param [in] intBits Number of integer bits (including the sign bit) in the fixed point output.
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/// @param [in] fracBits Number of fractional bits in the fixed point output.
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/// @param [in] enableRounding Round before conversion.
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///
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/// @returns Fixed point number in a uint32.
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extern uint32 FloatToUFixed(float f, uint32 intBits, uint32 fracBits, bool enableRounding = false);
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/// @brief Converts a signed fixed point number with the given integer and fractional bits to a floating point number.
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///
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/// If the number of integer bits is zero, the incoming value is treated as normalized, i.e. [-1.0, 1.0]. If numIntBits
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/// is 0, numFracBits is assumed to have 1 bit for the sign, otherwise the sign bit is assumed to be part of the integer
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/// bits.
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///
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/// @param [in] fixedPtNum Fixed point number to convert.
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/// @param [in] intBits Number of integer bits (including the sign bit).
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/// @param [in] fracBits Number of fractional bits.
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///
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/// @returns Converted floating point number.
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extern float SFixedToFloat(int32 fixedPtNum, uint32 intBits, uint32 fracBits);
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/// @brief Converts a unsigned fixed point number with the given integer and fractional bits to a floating point number.
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///
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/// If the number of integer bits is zero, the incoming value is treated as normalized, i.e. [0, 1.0].
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///
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/// @param [in] fixedPtNum Fixed point number to convert.
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/// @param [in] intBits Number of integer bits (including the sign bit).
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/// @param [in] fracBits Number of fractional bits.
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///
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/// @returns Converted floating point number.
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extern float UFixedToFloat(uint32 fixedPtNum, uint32 intBits, uint32 fracBits);
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/// Converts a 32-bit IEEE floating point number to a 16-bit signed floating point number.
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extern uint32 Float32ToFloat16(float f);
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/// Converts a 32-bit IEEE floating point number to an 11-bit signed floating point number.
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extern uint32 Float32ToFloat11(float f);
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/// Converts a 32-bit IEEE floating point number to a 10-bit signed floating point number.
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extern uint32 Float32ToFloat10(float f);
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/// Converts a 32-bit IEEE floating-point number to a 10-bit unsigned floating-point number.
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extern uint32 Float32ToFloat10_6e4(float f);
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/// Converts a 10-bit signed floating point number to a 32-bit IEEE floating point number.
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extern float Float10_6e4ToFloat32(uint32 fBits);
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/// Converts a 32-bit IEEE floating point number to a N-bit signed floating point number.
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extern uint32 Float32ToNumBits(float float32, uint32 numBits);
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/// Converts a 16-bit signed floating point number to a 32-bit IEEE floating point number.
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extern float Float16ToFloat32(uint32 fBits);
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/// Converts an 11-bit signed floating point number to a 32-bit IEEE floating point number.
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extern float Float11ToFloat32(uint32 fBits);
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/// Converts a 10-bit signed floating point number to a 32-bit IEEE floating point number.
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extern float Float10ToFloat32(uint32 fBits);
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/// Converts an N-bit signed floating point number to a 32-bit IEEE floating point number.
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extern float FloatNumBitsToFloat32(uint32 input, uint32 numBits);
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/// Converts a 32-bit IEEE floating point number to a fraction.
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extern Fraction Float32ToFraction(float float32);
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/// Returns the square root of the specified value.
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extern float Sqrt(float f);
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/// Returns the result of an exponent operation (base^exponent).
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extern float Pow(float base, float exponent);
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/// Returns the unsigned integer absolute value.
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extern uint32 Absu(int32 number);
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/// Return sign-preserved zero if input is denorm, otherwise input value
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extern float FlushDenormToZero(float input);
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/// Return value in 1.7 signed magnitude format. Valid input range is (-127, 127)
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extern uint8 IntToSignedMagnitude(int8 input);
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/// @brief Performs unsigned fixed-point rounding operation.
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///
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/// @param [in] value Fixed point number to convert in Qm.f format.
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/// @param [in] n Number of fractional bits.
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///
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/// @returns rounded fixed point number in Q0 format (unsigned integer).
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constexpr uint32 UFixedRoundToUint32(uint32 value, uint8 n)
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{
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PAL_CONSTEXPR_ASSERT((0 < n) && (n < 31));
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return ((value + (((1 << n) >> 1))) >> n);
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}
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/// @brief Performs signed fixed-point rounding operation.
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///
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/// @param [in] value Fixed point number to convert in Qm.f format.
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/// @param [in] n Number of fractional bits.
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///
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/// @returns rounded fixed point number in Q0 format (signed integer).
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constexpr int32 SFixedRoundToInt32(int32 value, uint8 n)
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{
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PAL_CONSTEXPR_ASSERT((0 < n) && (n < 30));
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return ((value + (((1 << n) >> 1))) >> n);
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}
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} // Math
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} // Util
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/*
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***********************************************************************************************************************
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*
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* Copyright (c) 2014-2025 Advanced Micro Devices, Inc. All Rights Reserved.
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||||
*
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* 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.
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*
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**********************************************************************************************************************/
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/**
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***********************************************************************************************************************
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* @file palMath.h
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* @brief PAL utility collection function/constant declarations for the Math sub-namespace.
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***********************************************************************************************************************
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*/
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#pragma once
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#include "palSysMemory.h"
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#include <limits>
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namespace Util
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{
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/// Util sub-namespace defining several useful math routines and constants.
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namespace Math
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{
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/// Exponent mask of a single-precision IEEE float.
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constexpr uint32 FloatExponentMask = 0x7F800000;
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/// Exponent bias of a single-precision IEEE float.
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constexpr uint32 FloatExponentBias = 127;
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/// Number of bits in the mantissa of a single-precision IEEE float.
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constexpr uint32 FloatNumMantissaBits = 23;
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/// Mantissa mask of a single-precision IEEE float.
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constexpr uint32 FloatMantissaMask = 0x007FFFFF;
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/// Sign bit mask of a single precision IEEE float.
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constexpr uint32 FloatSignBitMask = 0x80000000;
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/// Mask of all non-sign bits of a single-precision IEEE float.
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constexpr uint32 FloatMaskOutSignBit = 0x7FFFFFFF;
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/// Minimum number of float bits in a normalized IEE float.
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constexpr uint32 MinNormalizedFloatBits = 0x00800000;
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/// Positive one.
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constexpr float FloatOne = 1.0f;
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/// Negative one.
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constexpr float FloatNegOne = -1.0f;
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/// Zero.
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constexpr float FloatZero = 0.0f;
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/// Positive infinity.
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constexpr float FloatInfinity = std::numeric_limits<float>::infinity();
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/// Fraction structure.
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struct Fraction
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{
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uint32 num; ///< Numerator
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uint32 den; ///< Denominator
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};
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/// Returns the bits of a floating point value as an unsigned integer.
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inline uint32 FloatToBits(float f)
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{
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return (*(reinterpret_cast<uint32*>(&f)));
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}
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/// Assigns the bits contained in an unsigned integer to the float pointer location
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inline void SetBitsToFloat(float* f, uint32 u)
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{
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*(reinterpret_cast<uint32*>(f)) = u;
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}
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/// Returns true if the specified float is denormalized.
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extern bool IsDenorm(float f);
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/// Returns true if the specified float is +/- infinity.
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extern bool IsInf(float f);
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/// Returns true if the specified float is a NaN.
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extern bool IsNaN(float f);
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/// Determines if a floating-point number is either +/-Infinity or NaN.
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inline bool IsInfOrNaN(float f)
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{
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return (IsInf(f) || IsNaN(f));
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}
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/// @brief Converts a floating point number to a signed fixed point number with the given integer and fractional bits.
|
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///
|
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/// If the number of integer bits is zero, the incoming value is treated as normalized, i.e. [-1.0, 1.0]. If the
|
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/// intBits is zero, the fracBits is assumed to include 1 sign bit, otherwise the sign bit is assumed to be part of the
|
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/// intBits. A typical use for enableRounding would be when converting SNORM/UNORM values to fixed point.
|
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///
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/// @param [in] f Floating point value to convert.
|
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/// @param [in] intBits Number of integer bits (including the sign bit) in the fixed point output.
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/// @param [in] fracBits Number of fractional bits in the fixed point output.
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/// @param [in] enableRounding Round before conversion.
|
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///
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/// @returns Fixed point number in a uint32.
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extern uint32 FloatToSFixed(float f, uint32 intBits, uint32 fracBits, bool enableRounding = false);
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/// @brief Converts a floating point number to an unsigned fixed point number with the given integer and
|
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/// fractional bits.
|
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///
|
||||
/// If the number of integer bits is zero, the incoming value is treated as normalized, i.e. [-1.0, 1.0]. A typical use
|
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/// for enableRounding would be when converting SNORM/UNORM values to fixed point.
|
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///
|
||||
/// @param [in] f Floating point value to convert.
|
||||
/// @param [in] intBits Number of integer bits (including the sign bit) in the fixed point output.
|
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/// @param [in] fracBits Number of fractional bits in the fixed point output.
|
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/// @param [in] enableRounding Round before conversion.
|
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///
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/// @returns Fixed point number in a uint32.
|
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extern uint32 FloatToUFixed(float f, uint32 intBits, uint32 fracBits, bool enableRounding = false);
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/// @brief Converts a signed fixed point number with the given integer and fractional bits to a floating point number.
|
||||
///
|
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/// If the number of integer bits is zero, the incoming value is treated as normalized, i.e. [-1.0, 1.0]. If numIntBits
|
||||
/// is 0, numFracBits is assumed to have 1 bit for the sign, otherwise the sign bit is assumed to be part of the integer
|
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/// bits.
|
||||
///
|
||||
/// @param [in] fixedPtNum Fixed point number to convert.
|
||||
/// @param [in] intBits Number of integer bits (including the sign bit).
|
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/// @param [in] fracBits Number of fractional bits.
|
||||
///
|
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/// @returns Converted floating point number.
|
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extern float SFixedToFloat(int32 fixedPtNum, uint32 intBits, uint32 fracBits);
|
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|
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/// @brief Converts a unsigned fixed point number with the given integer and fractional bits to a floating point number.
|
||||
///
|
||||
/// If the number of integer bits is zero, the incoming value is treated as normalized, i.e. [0, 1.0].
|
||||
///
|
||||
/// @param [in] fixedPtNum Fixed point number to convert.
|
||||
/// @param [in] intBits Number of integer bits (including the sign bit).
|
||||
/// @param [in] fracBits Number of fractional bits.
|
||||
///
|
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/// @returns Converted floating point number.
|
||||
extern float UFixedToFloat(uint32 fixedPtNum, uint32 intBits, uint32 fracBits);
|
||||
|
||||
/// Converts a 32-bit IEEE floating point number to a 16-bit signed floating point number.
|
||||
extern uint32 Float32ToFloat16(float f);
|
||||
|
||||
/// Converts a 32-bit IEEE floating point number to an 11-bit signed floating point number.
|
||||
extern uint32 Float32ToFloat11(float f);
|
||||
|
||||
/// Converts a 32-bit IEEE floating point number to a 10-bit signed floating point number.
|
||||
extern uint32 Float32ToFloat10(float f);
|
||||
|
||||
/// Converts a 32-bit IEEE floating-point number to a 10-bit unsigned floating-point number.
|
||||
extern uint32 Float32ToFloat10_6e4(float f);
|
||||
|
||||
/// Converts a 10-bit signed floating point number to a 32-bit IEEE floating point number.
|
||||
extern float Float10_6e4ToFloat32(uint32 fBits);
|
||||
|
||||
/// Converts a 32-bit IEEE floating point number to a N-bit signed floating point number.
|
||||
extern uint32 Float32ToNumBits(float float32, uint32 numBits);
|
||||
|
||||
/// Converts a 16-bit signed floating point number to a 32-bit IEEE floating point number.
|
||||
extern float Float16ToFloat32(uint32 fBits);
|
||||
|
||||
/// Converts an 11-bit signed floating point number to a 32-bit IEEE floating point number.
|
||||
extern float Float11ToFloat32(uint32 fBits);
|
||||
|
||||
/// Converts a 10-bit signed floating point number to a 32-bit IEEE floating point number.
|
||||
extern float Float10ToFloat32(uint32 fBits);
|
||||
|
||||
/// Converts an N-bit signed floating point number to a 32-bit IEEE floating point number.
|
||||
extern float FloatNumBitsToFloat32(uint32 input, uint32 numBits);
|
||||
|
||||
/// Converts a 32-bit IEEE floating point number to a fraction.
|
||||
extern Fraction Float32ToFraction(float float32);
|
||||
|
||||
/// Returns the square root of the specified value.
|
||||
extern float Sqrt(float f);
|
||||
|
||||
/// Returns the result of an exponent operation (base^exponent).
|
||||
extern float Pow(float base, float exponent);
|
||||
|
||||
/// Returns the unsigned integer absolute value.
|
||||
extern uint32 Absu(int32 number);
|
||||
|
||||
/// Return sign-preserved zero if input is denorm, otherwise input value
|
||||
extern float FlushDenormToZero(float input);
|
||||
|
||||
/// Return value in 1.7 signed magnitude format. Valid input range is (-127, 127)
|
||||
extern uint8 IntToSignedMagnitude(int8 input);
|
||||
|
||||
/// @brief Performs unsigned fixed-point rounding operation.
|
||||
///
|
||||
/// @param [in] value Fixed point number to convert in Qm.f format.
|
||||
/// @param [in] n Number of fractional bits.
|
||||
///
|
||||
/// @returns rounded fixed point number in Q0 format (unsigned integer).
|
||||
constexpr uint32 UFixedRoundToUint32(uint32 value, uint8 n)
|
||||
{
|
||||
PAL_CONSTEXPR_ASSERT((0 < n) && (n < 31));
|
||||
return ((value + (((1 << n) >> 1))) >> n);
|
||||
}
|
||||
|
||||
/// @brief Performs signed fixed-point rounding operation.
|
||||
///
|
||||
/// @param [in] value Fixed point number to convert in Qm.f format.
|
||||
/// @param [in] n Number of fractional bits.
|
||||
///
|
||||
/// @returns rounded fixed point number in Q0 format (signed integer).
|
||||
constexpr int32 SFixedRoundToInt32(int32 value, uint8 n)
|
||||
{
|
||||
PAL_CONSTEXPR_ASSERT((0 < n) && (n < 30));
|
||||
return ((value + (((1 << n) >> 1))) >> n);
|
||||
}
|
||||
|
||||
} // Math
|
||||
} // Util
|
||||
|
||||
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