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Vulkan: Fix bug with fractional LOD bias and min/max LOD

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This commit is contained in:
Stenzek
2016-10-02 23:53:09 +10:00
parent 5e29508b8f
commit f595fe080f
4 changed files with 22 additions and 29 deletions
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24
Source/Core/VideoBackends/Vulkan/ObjectCache.cpp
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@ -784,11 +784,6 @@ VkSampler ObjectCache::GetSampler(const SamplerState& info)
if (iter != m_sampler_cache.end())
return iter->second;
// Cap anisotropy to device limits.
VkBool32 anisotropy_enable = (info.anisotropy != 0) ? VK_TRUE : VK_FALSE;
float max_anisotropy = std::min(static_cast<float>(1 << info.anisotropy),
g_vulkan_context->GetMaxSaxmplerAnisotropy());
VkSamplerCreateInfo create_info = {
VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, // VkStructureType sType
nullptr, // const void* pNext
@ -799,17 +794,26 @@ VkSampler ObjectCache::GetSampler(const SamplerState& info)
info.wrap_u, // VkSamplerAddressMode addressModeU
info.wrap_v, // VkSamplerAddressMode addressModeV
VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, // VkSamplerAddressMode addressModeW
static_cast<float>(info.lod_bias.Value()), // float mipLodBias
anisotropy_enable, // VkBool32 anisotropyEnable
max_anisotropy, // float maxAnisotropy
static_cast<float>(info.lod_bias / 32.0f), // float mipLodBias
VK_FALSE, // VkBool32 anisotropyEnable
0.0f, // float maxAnisotropy
VK_FALSE, // VkBool32 compareEnable
VK_COMPARE_OP_ALWAYS, // VkCompareOp compareOp
static_cast<float>(info.min_lod.Value()), // float minLod
static_cast<float>(info.max_lod.Value()), // float maxLod
static_cast<float>(info.min_lod / 16.0f), // float minLod
static_cast<float>(info.max_lod / 16.0f), // float maxLod
VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK, // VkBorderColor borderColor
VK_FALSE // VkBool32 unnormalizedCoordinates
};
// Can we use anisotropic filtering with this sampler?
if (info.enable_anisotropic_filtering && g_vulkan_context->SupportsAnisotropicFiltering())
{
// Cap anisotropy to device limits.
create_info.anisotropyEnable = VK_TRUE;
create_info.maxAnisotropy = std::min(static_cast<float>(1 << g_ActiveConfig.iMaxAnisotropy),
g_vulkan_context->GetMaxSamplerAnisotropy());
}
VkSampler sampler = VK_NULL_HANDLE;
VkResult res = vkCreateSampler(g_vulkan_context->GetDevice(), &create_info, nullptr, &sampler);
if (res != VK_SUCCESS)