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namespace Ryujinx.Graphics.Gpu.Image
{
/// <summary>
/// Multisampled texture samples count.
/// </summary>
enum TextureMsaaMode
{
Ms1x1 = 0,
Ms2x2 = 2,
Ms4x2 = 4,
Ms2x1 = 5,
Ms4x4 = 6,
}
static class TextureMsaaModeConverter
{
/// <summary>
/// Returns the total number of samples from the MSAA mode.
/// </summary>
/// <param name="msaaMode">The MSAA mode</param>
/// <returns>The total number of samples</returns>
public static int SamplesCount(this TextureMsaaMode msaaMode)
{
return msaaMode switch
{
TextureMsaaMode.Ms2x1 => 2,
TextureMsaaMode.Ms2x2 => 4,
TextureMsaaMode.Ms4x2 => 8,
TextureMsaaMode.Ms4x4 => 16,
_ => 1,
};
}
/// <summary>
/// Returns the number of samples in the X direction from the MSAA mode.
/// </summary>
/// <param name="msaaMode">The MSAA mode</param>
/// <returns>The number of samples in the X direction</returns>
public static int SamplesInX(this TextureMsaaMode msaaMode)
{
return msaaMode switch
{
TextureMsaaMode.Ms2x1 => 2,
TextureMsaaMode.Ms2x2 => 2,
TextureMsaaMode.Ms4x2 => 4,
TextureMsaaMode.Ms4x4 => 4,
_ => 1,
};
}
/// <summary>
/// Returns the number of samples in the Y direction from the MSAA mode.
/// </summary>
/// <param name="msaaMode">The MSAA mode</param>
/// <returns>The number of samples in the Y direction</returns>
public static int SamplesInY(this TextureMsaaMode msaaMode)
{
return msaaMode switch
{
TextureMsaaMode.Ms2x1 => 1,
TextureMsaaMode.Ms2x2 => 2,
TextureMsaaMode.Ms4x2 => 2,
TextureMsaaMode.Ms4x4 => 4,
_ => 1,
};
}
}
}
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