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Now using more VkSamplerCreateInfo for hash generation.

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This commit is contained in:
Kearwood Gilbert
2022-09-07 22:32:37 -07:00
parent 414ec8ca81
commit 0d848bd53b
1 changed files with 8 additions and 1 deletions
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9
kraken/KRSamplerManager.h
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@@ -54,7 +54,14 @@ struct SamplerInfoHasher
// Compute a hash using the most commonly used sampler fields
// Collisions are okay, but we need to balance cost of creating
// hashes with cost of resolving collisions.
return std::hash<uint32_t>{}(static_cast<uint32_t>((s.createInfo.flags)));
std::size_t h = std::hash<uint32_t>{}(static_cast<uint32_t>((s.createInfo.flags)));
h ^= std::hash<float>{}(s.createInfo.maxAnisotropy) << 1;
h ^= std::hash<float>{}(s.createInfo.minLod) << 1;
h ^= std::hash<float>{}(s.createInfo.maxLod) << 1;
h ^= std::hash<float>{}(s.createInfo.maxLod) << 1;
h ^= std::hash<uint32_t>{}(static_cast<uint32_t>((s.createInfo.minFilter))) << 1;
h ^= std::hash<uint32_t>{}(static_cast<uint32_t>((s.createInfo.magFilter))) << 1;
return h;
}
};