118 lines
4 KiB
C#
118 lines
4 KiB
C#
using Ryujinx.Graphics.GAL;
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using Silk.NET.Vulkan;
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namespace Ryujinx.Graphics.Vulkan
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{
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class SamplerHolder : ISampler
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{
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private readonly VulkanRenderer _gd;
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private readonly Auto<DisposableSampler> _sampler;
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public unsafe SamplerHolder(VulkanRenderer gd, Device device, GAL.SamplerCreateInfo info)
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{
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_gd = gd;
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gd.Samplers.Add(this);
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(Filter minFilter, SamplerMipmapMode mipFilter) = EnumConversion.Convert(info.MinFilter);
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float minLod = info.MinLod;
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float maxLod = info.MaxLod;
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if (info.MinFilter == MinFilter.Nearest || info.MinFilter == MinFilter.Linear)
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{
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minLod = 0;
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maxLod = 0.25f;
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}
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var borderColor = GetConstrainedBorderColor(info.BorderColor, out var cantConstrain);
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var samplerCreateInfo = new Silk.NET.Vulkan.SamplerCreateInfo()
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{
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SType = StructureType.SamplerCreateInfo,
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MagFilter = info.MagFilter.Convert(),
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MinFilter = minFilter,
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MipmapMode = mipFilter,
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AddressModeU = info.AddressU.Convert(),
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AddressModeV = info.AddressV.Convert(),
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AddressModeW = info.AddressP.Convert(),
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MipLodBias = info.MipLodBias,
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AnisotropyEnable = info.MaxAnisotropy != 1f,
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MaxAnisotropy = info.MaxAnisotropy,
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CompareEnable = info.CompareMode == CompareMode.CompareRToTexture,
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CompareOp = info.CompareOp.Convert(),
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MinLod = minLod,
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MaxLod = maxLod,
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BorderColor = borderColor,
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UnnormalizedCoordinates = false // TODO: Use unnormalized coordinates.
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};
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SamplerCustomBorderColorCreateInfoEXT customBorderColor;
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if (cantConstrain && gd.Capabilities.SupportsCustomBorderColor)
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{
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var color = new ClearColorValue(
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info.BorderColor.Red,
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info.BorderColor.Green,
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info.BorderColor.Blue,
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info.BorderColor.Alpha);
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customBorderColor = new SamplerCustomBorderColorCreateInfoEXT()
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{
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SType = StructureType.SamplerCustomBorderColorCreateInfoExt,
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CustomBorderColor = color
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};
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samplerCreateInfo.PNext = &customBorderColor;
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samplerCreateInfo.BorderColor = BorderColor.FloatCustomExt;
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}
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gd.Api.CreateSampler(device, samplerCreateInfo, null, out var sampler).ThrowOnError();
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_sampler = new Auto<DisposableSampler>(new DisposableSampler(gd.Api, device, sampler));
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}
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private static BorderColor GetConstrainedBorderColor(ColorF arbitraryBorderColor, out bool cantConstrain)
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{
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float r = arbitraryBorderColor.Red;
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float g = arbitraryBorderColor.Green;
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float b = arbitraryBorderColor.Blue;
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float a = arbitraryBorderColor.Alpha;
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if (r == 0f && g == 0f && b == 0f)
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{
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if (a == 1f)
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{
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cantConstrain = false;
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return BorderColor.FloatOpaqueBlack;
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}
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else if (a == 0f)
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{
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cantConstrain = false;
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return BorderColor.FloatTransparentBlack;
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}
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}
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else if (r == 1f && g == 1f && b == 1f && a == 1f)
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{
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cantConstrain = false;
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return BorderColor.FloatOpaqueWhite;
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}
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cantConstrain = true;
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return BorderColor.FloatOpaqueBlack;
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}
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public Auto<DisposableSampler> GetSampler()
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{
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return _sampler;
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}
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public void Dispose()
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{
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if (_gd.Samplers.Remove(this))
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{
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_sampler.Dispose();
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}
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}
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}
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}
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