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[Fix] (MG_Impl/Texture): support anisotropic sampler parameters

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swung0x48
2026-07-16 21:39:38 -04:00
parent 346cd417ca
commit 5d6b544021
11 changed files with 284 additions and 13 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VkSamplerManager.cpp
+5
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@@ -99,6 +99,9 @@ namespace MobileGL::MG_Backend::DirectVulkan {
XXHASH_VERIFY(XXH64_update(m_hashState, &maxLod, sizeof(maxLod)));
const auto lodBias = sampler.GetLodBias();
XXHASH_VERIFY(XXH64_update(m_hashState, &lodBias, sizeof(lodBias)));
// Anisotropy is currently an accepted frontend-only state on DirectVulkan.
// Keep it out of the key so changing this no-op does not manufacture duplicate
// VkSamplers while sampler versioning still exposes the new frontend value.
const auto compareMode = sampler.GetCompareMode();
XXHASH_VERIFY(XXH64_update(m_hashState, &compareMode, sizeof(compareMode)));
const auto compareFunc = ResolveCompareFunc(sampler, texture);
@@ -125,6 +128,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
samplerInfo.addressModeV = ToVkAddressMode(sampler.GetWrapT());
samplerInfo.addressModeW = ToVkAddressMode(sampler.GetWrapR());
samplerInfo.mipLodBias = sampler.GetLodBias();
// DirectVulkan does not yet plumb samplerAnisotropy feature/limit discovery;
// preserve the accepted frontend state without requesting an unsupported feature.
samplerInfo.anisotropyEnable = VK_FALSE;
samplerInfo.maxAnisotropy = 1.0f;
samplerInfo.compareEnable = sampler.GetCompareMode() == SamplerCompareMode::CompareToTexture ? VK_TRUE : VK_FALSE;