public VkFormat ConvertToVertexVkFormat(GAL.Format srcFormat)
{
var format = FormatTable.GetFormat(srcFormat);
if (!BufferFormatSupports(FormatFeatureFlags.FormatFeatureVertexBufferBit, srcFormat) ||
(IsRGB16IntFloat(srcFormat) && VulkanConfiguration.ForceRGB16IntFloatUnsupported))
{
// The format is not supported. Can we convert it to an alternative format?
switch (srcFormat)
{
case GAL.Format.R16G16B16Float:
format = VkFormat.R16G16B16A16Sfloat;
break;
case GAL.Format.R16G16B16Sint:
format = VkFormat.R16G16B16A16Sint;
break;
case GAL.Format.R16G16B16Uint:
format = VkFormat.R16G16B16A16Uint;
break;
default:
Logger.Error?.Print(LogClass.Gpu, $"Format {srcFormat} is not supported by the host.");
break;
}
}
return(format);
}
public TextureBuffer(VulkanRenderer gd, TextureCreateInfo info, float scale)
{
_gd = gd;
Width = info.Width;
Height = info.Height;
VkFormat = FormatTable.GetFormat(info.Format);
ScaleFactor = scale;
gd.Textures.Add(this);
}
public bool FormatSupports(GAL.Format format, FormatFeatureFlags flags)
{
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 bool BufferFormatSupports(FormatFeatureFlags flags, GAL.Format format)
{
var formatFeatureFlags = _bufferTable[(int)format];
if (formatFeatureFlags == 0)
{
_api.GetPhysicalDeviceFormatProperties(_physicalDevice, FormatTable.GetFormat(format), out var fp);
formatFeatureFlags = fp.BufferFeatures;
_bufferTable[(int)format] = formatFeatureFlags;
}
return((formatFeatureFlags & flags) == flags);
}
public BufferView GetBufferView(CommandBufferScoped cbs, GAL.Format format)
{
var vkFormat = FormatTable.GetFormat(format);
if (vkFormat == VkFormat)
{
return GetBufferView(cbs);
}
if (_selfManagedViews != null && _selfManagedViews.TryGetValue(format, out var bufferView))
{
return bufferView.Get(cbs, _offset, _size).Value;
}
bufferView = _gd.BufferManager.CreateView(_bufferHandle, vkFormat, _offset, _size);
if (bufferView != null)
{
(_selfManagedViews ??= new Dictionary<GAL.Format, Auto<DisposableBufferView>>()).Add(format, bufferView);
}
return bufferView?.Get(cbs, _offset, _size).Value ?? default;
}
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(srcFormat, requiredFeatures))
{
// The format is not supported. Can we convert it to a higher precision format?
if (srcFormat == GAL.Format.D24UnormS8Uint)
{
format = VkFormat.D32SfloatS8Uint;
}
else
{
Logger.Error?.Print(LogClass.Gpu, $"Format {srcFormat} is not supported by the host.");
}
}
return(format);
}
