R/Ryujinx.Graphics.Gpu/Image/TextureBindingInfo.cs

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using Ryujinx.Graphics.GAL;
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namespace Ryujinx.Graphics.Gpu.Image
{
/// <summary>
/// Texture binding information.
/// This is used for textures that needs to be accessed from shaders.
/// </summary>
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struct TextureBindingInfo
{
/// <summary>
/// Shader sampler target type.
/// </summary>
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public Target Target { get; }
/// <summary>
/// Shader texture handle.
/// This is an index into the texture constant buffer.
/// </summary>
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public int Handle { get; }
/// <summary>
/// Indicates if the texture is a bindless texture.
/// </summary>
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/// <remarks>
/// For those textures, Handle is ignored.
/// </remarks>
public bool IsBindless { get; }
/// <summary>
/// Constant buffer slot with the bindless texture handle, for bindless texture.
/// </summary>
public int CbufSlot { get; }
/// <summary>
/// Constant buffer offset of the bindless texture handle, for bindless texture.
/// </summary>
public int CbufOffset { get; }
/// <summary>
/// Constructs the texture binding information structure.
/// </summary>
/// <param name="target">The shader sampler target type</param>
/// <param name="handle">The shader texture handle (read index into the texture constant buffer)</param>
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public TextureBindingInfo(Target target, int handle)
{
Target = target;
Handle = handle;
IsBindless = false;
CbufSlot = 0;
CbufOffset = 0;
}
/// <summary>
/// Constructs the bindless texture binding information structure.
/// </summary>
/// <param name="target">The shader sampler target type</param>
/// <param name="cbufSlot">Constant buffer slot where the bindless texture handle is located</param>
/// <param name="cbufOffset">Constant buffer offset of the bindless texture handle</param>
public TextureBindingInfo(Target target, int cbufSlot, int cbufOffset)
{
Target = target;
Handle = 0;
IsBindless = true;
CbufSlot = cbufSlot;
CbufOffset = cbufOffset;
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}
}
}