42 lines
1.2 KiB
C#
42 lines
1.2 KiB
C#
namespace MoonWorks.Graphics
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{
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/// <summary>
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/// A convenience structure for pairing a vertex binding with its associated attributes.
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/// </summary>
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public struct VertexBindingAndAttributes
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{
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public VertexBinding VertexBinding { get; }
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public VertexAttribute[] VertexAttributes { get; }
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public VertexBindingAndAttributes(VertexBinding binding, VertexAttribute[] attributes)
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{
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VertexBinding = binding;
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VertexAttributes = attributes;
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}
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public static VertexBindingAndAttributes Create<T>(uint bindingIndex, uint locationOffset = 0, VertexInputRate inputRate = VertexInputRate.Vertex) where T : unmanaged, IVertexType
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{
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VertexBinding binding = VertexBinding.Create<T>(bindingIndex, inputRate);
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VertexAttribute[] attributes = new VertexAttribute[T.Formats.Length];
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uint offset = 0;
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for (uint i = 0; i < T.Formats.Length; i += 1)
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{
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var format = T.Formats[i];
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attributes[i] = new VertexAttribute
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{
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Binding = bindingIndex,
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Location = locationOffset + i,
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Format = format,
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Offset = offset
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};
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offset += Conversions.VertexElementFormatSize(format);
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}
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return new VertexBindingAndAttributes(binding, attributes);
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}
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}
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}
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