forked from Misaki/GhostEngine
61 lines
2.3 KiB
C#
61 lines
2.3 KiB
C#
using Ghost.Graphics.Data;
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using Ghost.Graphics.RHI;
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using System.Runtime.CompilerServices;
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using Win32;
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using Win32.Graphics.Direct3D12;
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namespace Ghost.Graphics.D3D12;
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/// <summary>
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/// D3D12 implementation of render target interface
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/// Supports either color OR depth rendering, not both
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/// </summary>
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internal unsafe class D3D12RenderTarget : D3D12Texture, IRenderTarget
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{
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public RenderTargetType Type
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{
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get;
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}
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private D3D12RenderTarget(ComPtr<ID3D12Resource> resource, uint width, uint height, uint slice, TextureFormat format, RenderTargetType type, uint mipLevels = 1)
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: base(resource, width, height, slice, format, mipLevels)
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{
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Type = type;
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}
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private D3D12RenderTarget(TextureHandle handle, ref readonly RenderTargetDesc desc, ref readonly TextureDesc texDesc)
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: base(handle, in texDesc)
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{
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Type = desc.Type;
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}
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/// <summary>
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/// Create a new render target with its own texture
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/// </summary>
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/// <param name="handle">The handle to the texture resource</param>
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/// <param name="desc">The descriptor to describe the render target</param>
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/// <returns>New render target instance</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static D3D12RenderTarget Create(TextureHandle handle, ref readonly RenderTargetDesc desc)
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{
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var texDesc = RenderTargetDesc.ToTextureDescriptor(desc);
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return new D3D12RenderTarget(handle, in desc, in texDesc);
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}
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/// <summary>
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/// Create a new render target from an existing D3D12 resource
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/// </summary>
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/// <param name="resource">The existing D3D12 resource</param>
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/// <param name="width">The width of the render target</param>
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/// <param name="height">The height of the render target</param>
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/// <param name="format">The format of the render target</param>
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/// <param name="type">The type of the render target</param>
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/// <param name="mipLevels">The number of mip levels</param>
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/// <returns>New render target instance</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static D3D12RenderTarget Create(ComPtr<ID3D12Resource> resource, uint width, uint height, uint slice, TextureFormat format, RenderTargetType type, uint mipLevels = 1)
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{
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return new D3D12RenderTarget(resource, width, height, slice, format, type, mipLevels);
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}
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}
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