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using Ryujinx.Common.Logging;
using Ryujinx.Graphics.GAL;
using Silk.NET.Vulkan;
using System;
using VkFormat = Silk.NET.Vulkan.Format;
namespace Ryujinx.Graphics.Vulkan
{
class FormatCapabilities
{
private readonly FormatFeatureFlags[] _table;
private readonly Vk _api;
private readonly PhysicalDevice _physicalDevice;
public FormatCapabilities(Vk api, PhysicalDevice physicalDevice)
{
_api = api;
_physicalDevice = physicalDevice;
_table = new FormatFeatureFlags[Enum.GetNames(typeof(GAL.Format)).Length];
}
public bool FormatsSupports(FormatFeatureFlags flags, params GAL.Format[] formats)
{
foreach (GAL.Format format in formats)
{
if (!FormatSupports(flags, format))
{
return false;
}
}
return true;
}
public bool FormatSupports(FormatFeatureFlags flags, GAL.Format format)
{
var formatFeatureFlags = _table[(int)format];
if (formatFeatureFlags == 0)
{
_api.GetPhysicalDeviceFormatProperties(_physicalDevice, FormatTable.GetFormat(format), out var fp);
formatFeatureFlags = fp.OptimalTilingFeatures;
_table[(int)format] = formatFeatureFlags;
}
return (formatFeatureFlags & flags) == flags;
}
public VkFormat ConvertToVkFormat(GAL.Format srcFormat)
{
var format = FormatTable.GetFormat(srcFormat);
var requiredFeatures = FormatFeatureFlags.FormatFeatureSampledImageBit |
FormatFeatureFlags.FormatFeatureTransferSrcBit |
FormatFeatureFlags.FormatFeatureTransferDstBit;
if (srcFormat.IsDepthOrStencil())
{
requiredFeatures |= FormatFeatureFlags.FormatFeatureDepthStencilAttachmentBit;
}
else if (srcFormat.IsRtColorCompatible())
{
requiredFeatures |= FormatFeatureFlags.FormatFeatureColorAttachmentBit;
}
if (srcFormat.IsImageCompatible())
{
requiredFeatures |= FormatFeatureFlags.FormatFeatureStorageImageBit;
}
if (!FormatSupports(requiredFeatures, srcFormat) || (IsD24S8(srcFormat) && VulkanConfiguration.ForceD24S8Unsupported))
{
// The format is not supported. Can we convert it to a higher precision format?
if (IsD24S8(srcFormat))
{
format = VkFormat.D32SfloatS8Uint;
}
else
{
Logger.Error?.Print(LogClass.Gpu, $"Format {srcFormat} is not supported by the host.");
}
}
return format;
}
public static bool IsD24S8(GAL.Format format)
{
return format == GAL.Format.D24UnormS8Uint || format == GAL.Format.S8UintD24Unorm;
}
}
}
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