63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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#include "GPUSamplerDescription.h"
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#include "Engine/Core/Types/String.h"
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void GPUSamplerDescription::Clear()
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{
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Filter = GPUSamplerFilter::Point;
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AddressU = GPUSamplerAddressMode::Wrap;
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AddressV = GPUSamplerAddressMode::Wrap;
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AddressW = GPUSamplerAddressMode::Wrap;
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MipBias = 0;
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MaxAnisotropy = 0;
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MinMipLevel = 0;
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MaxMipLevel = MAX_float;
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BorderColor = GPUSamplerBorderColor::TransparentBlack;
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SamplerComparisonFunction = GPUSamplerCompareFunction::Never;
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}
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bool GPUSamplerDescription::Equals(const GPUSamplerDescription& other) const
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{
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return Filter == other.Filter
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&& AddressU == other.AddressU
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&& AddressV == other.AddressV
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&& AddressW == other.AddressW
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&& MipBias == other.MipBias
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&& MaxAnisotropy == other.MaxAnisotropy
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&& MinMipLevel == other.MinMipLevel
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&& MaxMipLevel == other.MaxMipLevel
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&& BorderColor == other.BorderColor
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&& SamplerComparisonFunction == other.SamplerComparisonFunction;
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}
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String GPUSamplerDescription::ToString() const
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{
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return String::Format(TEXT("Filter: {}, Address: {}x{}x{}, MipBias: {}, MaxAnisotropy: {}, MinMipLevel: {}, MaxMipLevel: {}, BorderColor: {}, SamplerComparisonFunction: {}"),
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(int32)Filter,
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(int32)AddressU,
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(int32)AddressV,
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(int32)AddressW,
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MipBias,
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MaxAnisotropy,
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MinMipLevel,
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MaxMipLevel,
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(int32)BorderColor,
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(int32)SamplerComparisonFunction);
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}
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uint32 GetHash(const GPUSamplerDescription& key)
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{
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uint32 hashCode = (uint32)key.Filter;
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hashCode = (hashCode * 397) ^ (uint32)key.AddressU;
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hashCode = (hashCode * 397) ^ (uint32)key.AddressV;
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hashCode = (hashCode * 397) ^ (uint32)key.AddressW;
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hashCode = (hashCode * 397) ^ (uint32)key.MipBias;
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hashCode = (hashCode * 397) ^ (uint32)key.MaxAnisotropy;
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hashCode = (hashCode * 397) ^ (uint32)key.MinMipLevel;
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hashCode = (hashCode * 397) ^ (uint32)key.MaxMipLevel;
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hashCode = (hashCode * 397) ^ (uint32)key.BorderColor;
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hashCode = (hashCode * 397) ^ (uint32)key.SamplerComparisonFunction;
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return hashCode;
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}
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