Ryujinx-git/Ryujinx.Graphics.Gpu/State/VertexAttribState.cs

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namespace Ryujinx.Graphics.Gpu.State
{
/// <summary>
/// Vertex buffer attribute state.
/// </summary>
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struct VertexAttribState
{
#pragma warning disable CS0649
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public uint Attribute;
#pragma warning restore CS0649
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/// <summary>
/// Unpacks the index of the vertex buffer this attribute belongs to.
/// </summary>
/// <returns>Vertex buffer index</returns>
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public int UnpackBufferIndex()
{
return (int)(Attribute & 0x1f);
}
/// <summary>
/// Unpacks the attribute constant flag.
/// </summary>
/// <returns>True if the attribute is constant, false otherwise</returns>
public bool UnpackIsConstant()
{
return (Attribute & 0x40) != 0;
}
/// <summary>
/// Unpacks the offset, in bytes, of the attribute on the vertex buffer.
/// </summary>
/// <returns>Attribute offset in bytes</returns>
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public int UnpackOffset()
{
return (int)((Attribute >> 7) & 0x3fff);
}
/// <summary>
/// Unpacks the Maxwell attribute format integer.
/// </summary>
/// <returns>Attribute format integer</returns>
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public uint UnpackFormat()
{
return Attribute & 0x3fe00000;
}
}
}