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sampler: clamp mipLodBias to not be greater than maxSamplerLodBias

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EmK530
2026-09-26 21:51:22 +02:00
parent 73615c31ff
commit 59a1760427
1 changed files with 5 additions and 2 deletions
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src/graphics/host_gpu/renderer/cache/samplerCache.cpp
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+5 -2
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@@ -123,8 +123,11 @@ vk::Sampler SamplerCache::GetSampler(const ShaderSamplerResource& r, bool intege
sampler_info.addressModeU = to_vk_address_mode(r.ClampX());
sampler_info.addressModeV = to_vk_address_mode(r.ClampY());
sampler_info.addressModeW = to_vk_address_mode(r.ClampZ());
sampler_info.mipLodBias =
static_cast<float>(static_cast<int16_t>((r.LodBias() ^ 0x2000u) - 0x2000u)) / 256.0f;
const auto max_lod_bias = m_graphics.GetPhysicalDeviceProperties().limits.maxSamplerLodBias;
sampler_info.mipLodBias = std::clamp(
static_cast<float>(static_cast<int16_t>((r.LodBias() ^ 0x2000u) - 0x2000u)) / 256.0f,
-max_lod_bias, max_lod_bias
);
sampler_info.anisotropyEnable = (aniso ? VK_TRUE : VK_FALSE);
sampler_info.maxAnisotropy = aniso_ratio;
sampler_info.compareEnable = (r.DepthCompareFunc() != 0 ? VK_TRUE : VK_FALSE);