forked from Misaki/GhostEngine
316 lines
15 KiB
C#
316 lines
15 KiB
C#
using Ghost.Graphics.RHI;
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using TerraFX.Interop.DirectX;
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using static TerraFX.Aliases.D3D12_Alias;
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using static TerraFX.Aliases.DXGI_Alias;
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namespace Ghost.Graphics.D3D12.Utilities;
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internal unsafe static class D3D12Utility
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{
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public static void SetName<T>(ref this T obj, ReadOnlySpan<char> name)
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where T : unmanaged, ID3D12Object.Interface
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{
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if (name.IsEmpty)
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{
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return;
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}
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fixed (char* pName = name)
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{
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obj.SetName(pName);
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}
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}
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public static void SetName(ref this D3D12MA_Allocation obj, ReadOnlySpan<char> name)
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{
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if (name.IsEmpty)
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{
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return;
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}
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fixed (char* pName = name)
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{
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obj.SetName(pName);
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}
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}
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public static TextureDimension ToTextureDimension(this D3D12_RESOURCE_DIMENSION dimension)
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{
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return dimension switch
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{
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D3D12_RESOURCE_DIMENSION.D3D12_RESOURCE_DIMENSION_TEXTURE1D => TextureDimension.Texture2D,
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D3D12_RESOURCE_DIMENSION.D3D12_RESOURCE_DIMENSION_TEXTURE2D => TextureDimension.Texture2D,
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D3D12_RESOURCE_DIMENSION.D3D12_RESOURCE_DIMENSION_TEXTURE3D => TextureDimension.Texture3D,
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_ => TextureDimension.Unknown,
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};
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}
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public static DXGI_FORMAT ToDXGIFormat(this TextureFormat format)
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{
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return format switch
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{
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TextureFormat.Unknown => DXGI_FORMAT_UNKNOWN,
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TextureFormat.R8G8B8A8_UNorm => DXGI_FORMAT_R8G8B8A8_UNORM,
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TextureFormat.B8G8R8A8_UNorm => DXGI_FORMAT_B8G8R8A8_UNORM,
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TextureFormat.R16G16B16A16_Float => DXGI_FORMAT_R16G16B16A16_FLOAT,
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TextureFormat.R32G32B32A32_Float => DXGI_FORMAT_R32G32B32A32_FLOAT,
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TextureFormat.D24_UNorm_S8_UInt => DXGI_FORMAT_D24_UNORM_S8_UINT,
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TextureFormat.D32_Float => DXGI_FORMAT_D32_FLOAT,
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_ => throw new NotSupportedException($"Texture format {format} is not supported."),
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};
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}
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public static TextureFormat ToTextureFormat(this DXGI_FORMAT format)
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{
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return format switch
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{
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DXGI_FORMAT_R8G8B8A8_UNORM => TextureFormat.R8G8B8A8_UNorm,
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DXGI_FORMAT_B8G8R8A8_UNORM => TextureFormat.B8G8R8A8_UNorm,
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DXGI_FORMAT_R16G16B16A16_FLOAT => TextureFormat.R16G16B16A16_Float,
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DXGI_FORMAT_R32G32B32A32_FLOAT => TextureFormat.R32G32B32A32_Float,
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DXGI_FORMAT_D24_UNORM_S8_UINT => TextureFormat.D24_UNorm_S8_UInt,
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DXGI_FORMAT_D32_FLOAT => TextureFormat.D32_Float,
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_ => TextureFormat.Unknown,
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};
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}
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public static D3D12_RESOURCE_STATES ToD3D12States(this ResourceState state)
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{
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return state switch
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{
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ResourceState.Common or ResourceState.Present => D3D12_RESOURCE_STATE_COMMON,
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ResourceState.VertexAndConstantBuffer => D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER,
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ResourceState.IndexBuffer => D3D12_RESOURCE_STATE_INDEX_BUFFER,
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ResourceState.RenderTarget => D3D12_RESOURCE_STATE_RENDER_TARGET,
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ResourceState.UnorderedAccess => D3D12_RESOURCE_STATE_UNORDERED_ACCESS,
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ResourceState.DepthWrite => D3D12_RESOURCE_STATE_DEPTH_WRITE,
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ResourceState.DepthRead => D3D12_RESOURCE_STATE_DEPTH_READ,
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ResourceState.PixelShaderResource => D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE,
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ResourceState.CopyDest => D3D12_RESOURCE_STATE_COPY_DEST,
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ResourceState.CopySource => D3D12_RESOURCE_STATE_COPY_SOURCE,
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ResourceState.GenericRead => D3D12_RESOURCE_STATE_GENERIC_READ,
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ResourceState.IndirectArgument => D3D12_RESOURCE_STATE_INDIRECT_ARGUMENT,
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ResourceState.NonPixelShaderResource => D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE,
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_ => throw new ArgumentException($"Unknown resource state: {state}")
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};
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}
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public static ResourceState ToResourceState(this D3D12_RESOURCE_STATES states)
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{
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return states switch
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{
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D3D12_RESOURCE_STATE_COMMON => ResourceState.Common,
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D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER => ResourceState.VertexAndConstantBuffer,
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D3D12_RESOURCE_STATE_INDEX_BUFFER => ResourceState.IndexBuffer,
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D3D12_RESOURCE_STATE_RENDER_TARGET => ResourceState.RenderTarget,
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D3D12_RESOURCE_STATE_UNORDERED_ACCESS => ResourceState.UnorderedAccess,
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D3D12_RESOURCE_STATE_DEPTH_WRITE => ResourceState.DepthWrite,
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D3D12_RESOURCE_STATE_DEPTH_READ => ResourceState.DepthRead,
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D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE => ResourceState.PixelShaderResource,
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D3D12_RESOURCE_STATE_COPY_DEST => ResourceState.CopyDest,
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D3D12_RESOURCE_STATE_COPY_SOURCE => ResourceState.CopySource,
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_ => throw new ArgumentException($"Unknown D3D12 resource state: {states}")
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};
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}
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public static D3D12_FILTER ToD3D12Filter(this TextureFilterMode filterMode)
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{
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return filterMode switch
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{
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TextureFilterMode.Point => D3D12_FILTER_MIN_MAG_MIP_POINT,
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TextureFilterMode.Bilinear => D3D12_FILTER_MIN_MAG_LINEAR_MIP_POINT,
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TextureFilterMode.Trilinear => D3D12_FILTER_MIN_MAG_MIP_LINEAR,
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TextureFilterMode.Anisotropic => D3D12_FILTER_ANISOTROPIC,
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_ => throw new ArgumentException($"Unknown texture filter mode: {filterMode}")
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};
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}
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public static D3D12_TEXTURE_ADDRESS_MODE ToD3D12TextureAddressMode(this TextureAddressMode addressMode)
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{
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return addressMode switch
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{
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TextureAddressMode.Repeat => D3D12_TEXTURE_ADDRESS_MODE_WRAP,
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TextureAddressMode.Mirror => D3D12_TEXTURE_ADDRESS_MODE_MIRROR,
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TextureAddressMode.Clamp => D3D12_TEXTURE_ADDRESS_MODE_CLAMP,
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TextureAddressMode.Border => D3D12_TEXTURE_ADDRESS_MODE_BORDER,
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TextureAddressMode.MirrorOnce => D3D12_TEXTURE_ADDRESS_MODE_MIRROR_ONCE,
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_ => throw new ArgumentException($"Unknown texture address mode: {addressMode}")
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};
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}
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public static D3D12_COMPARISON_FUNC ToD3D12ComparisonFunc(this ComparisonFunction func)
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{
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return func switch
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{
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ComparisonFunction.Never => D3D12_COMPARISON_FUNC_NEVER,
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ComparisonFunction.Less => D3D12_COMPARISON_FUNC_LESS,
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ComparisonFunction.Equal => D3D12_COMPARISON_FUNC_EQUAL,
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ComparisonFunction.LessEqual => D3D12_COMPARISON_FUNC_LESS_EQUAL,
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ComparisonFunction.Greater => D3D12_COMPARISON_FUNC_GREATER,
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ComparisonFunction.NotEqual => D3D12_COMPARISON_FUNC_NOT_EQUAL,
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ComparisonFunction.GreaterEqual => D3D12_COMPARISON_FUNC_GREATER_EQUAL,
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ComparisonFunction.Always => D3D12_COMPARISON_FUNC_ALWAYS,
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_ => throw new ArgumentException($"Unknown comparison function: {func}")
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};
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}
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public static D3D12_COMMAND_LIST_TYPE ToCommandListType(CommandBufferType type)
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{
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return type switch
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{
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CommandBufferType.Graphics => D3D12_COMMAND_LIST_TYPE_DIRECT,
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CommandBufferType.Compute => D3D12_COMMAND_LIST_TYPE_COMPUTE,
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CommandBufferType.Copy => D3D12_COMMAND_LIST_TYPE_COPY,
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_ => throw new ArgumentException($"Unknown command buffer type: {type}")
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};
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}
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public static ResourceDesc ToResourceDesc(this D3D12_RESOURCE_DESC desc)
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{
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if (desc.Dimension == D3D12_RESOURCE_DIMENSION.D3D12_RESOURCE_DIMENSION_BUFFER)
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{
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return ResourceDesc.Buffer(new BufferDesc
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{
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Size = (uint)desc.Width,
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Stride = 0,
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Usage = BufferUsage.None,
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MemoryType = ResourceMemoryType.Default
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});
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}
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else
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{
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return ResourceDesc.Texture(new TextureDesc
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{
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Width = (uint)desc.Width,
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Height = desc.Height,
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Slice = desc.DepthOrArraySize,
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Format = desc.Format.ToTextureFormat(),
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Dimension = desc.Dimension.ToTextureDimension(),
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MipLevels = desc.MipLevels,
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Usage = TextureUsage.None,
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});
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}
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}
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public static D3D12_RASTERIZER_DESC D3D12_RASTERIZER_DESC_CREATE(
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D3D12_FILL_MODE fillMode,
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D3D12_CULL_MODE cullMode,
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bool frontCounterClockwise = false,
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int depthBias = D3D12_DEFAULT_DEPTH_BIAS,
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float depthBiasClamp = D3D12_DEFAULT_DEPTH_BIAS_CLAMP,
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float slopeScaledDepthBias = D3D12_DEFAULT_SLOPE_SCALED_DEPTH_BIAS,
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bool depthClipEnable = true,
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bool multisampleEnable = true,
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bool antialiasedLineEnable = false,
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uint forcedSampleCount = 0,
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D3D12_CONSERVATIVE_RASTERIZATION_MODE conservativeRaster = D3D12_CONSERVATIVE_RASTERIZATION_MODE_OFF)
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{
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return new D3D12_RASTERIZER_DESC
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{
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FillMode = fillMode,
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CullMode = cullMode,
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FrontCounterClockwise = frontCounterClockwise ? TRUE : FALSE,
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DepthBias = depthBias,
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DepthBiasClamp = depthBiasClamp,
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SlopeScaledDepthBias = slopeScaledDepthBias,
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DepthClipEnable = depthClipEnable ? TRUE : FALSE,
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MultisampleEnable = multisampleEnable ? TRUE : FALSE,
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AntialiasedLineEnable = antialiasedLineEnable ? TRUE : FALSE,
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ForcedSampleCount = forcedSampleCount,
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ConservativeRaster = conservativeRaster
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};
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}
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public static D3D12_RASTERIZER_DESC D3D12_RASTERIZER_DESC_CULL_NONE => D3D12_RASTERIZER_DESC_CREATE(D3D12_FILL_MODE_SOLID, D3D12_CULL_MODE_NONE);
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public static D3D12_RASTERIZER_DESC D3D12_RASTERIZER_DESC_CULL_CLOCKWISE => D3D12_RASTERIZER_DESC_CREATE(D3D12_FILL_MODE_SOLID, D3D12_CULL_MODE_FRONT);
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public static D3D12_RASTERIZER_DESC D3D12_RASTERIZER_DESC_CULL_COUNTER_CLOCKWISE => D3D12_RASTERIZER_DESC_CREATE(D3D12_FILL_MODE_SOLID, D3D12_CULL_MODE_BACK);
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public static D3D12_RASTERIZER_DESC D3D12_RASTERIZER_DESC_WIREFRAME => D3D12_RASTERIZER_DESC_CREATE(D3D12_FILL_MODE_WIREFRAME, D3D12_CULL_MODE_NONE);
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public static D3D12_BLEND_DESC D3D12_BLEND_DESC_CREATE(D3D12_BLEND srcBlend, D3D12_BLEND destBlend)
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{
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var blendDesc = new D3D12_BLEND_DESC
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{
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AlphaToCoverageEnable = false,
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IndependentBlendEnable = false
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};
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for (var i = 0; i < D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; i++)
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{
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blendDesc.RenderTarget[i].BlendEnable = srcBlend != D3D12_BLEND_ONE || destBlend != D3D12_BLEND_ZERO;
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blendDesc.RenderTarget[i].LogicOp = D3D12_LOGIC_OP_NOOP;
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blendDesc.RenderTarget[i].SrcBlend = srcBlend;
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blendDesc.RenderTarget[i].DestBlend = destBlend;
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blendDesc.RenderTarget[i].BlendOp = D3D12_BLEND_OP_ADD;
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blendDesc.RenderTarget[i].SrcBlendAlpha = srcBlend;
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blendDesc.RenderTarget[i].DestBlendAlpha = destBlend;
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blendDesc.RenderTarget[i].BlendOpAlpha = D3D12_BLEND_OP_ADD;
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blendDesc.RenderTarget[i].RenderTargetWriteMask = (byte)D3D12_COLOR_WRITE_ENABLE_ALL;
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}
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return blendDesc;
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}
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public static D3D12_BLEND_DESC D3D12_BLEND_DESC_OPAQUE => D3D12_BLEND_DESC_CREATE(D3D12_BLEND_ONE, D3D12_BLEND_ZERO);
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public static D3D12_BLEND_DESC D3D12_BLEND_DESC_ALPHA_BLEND => D3D12_BLEND_DESC_CREATE(D3D12_BLEND_SRC_ALPHA, D3D12_BLEND_INV_SRC_ALPHA);
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public static D3D12_BLEND_DESC D3D12_BLEND_DESC_ADDITIVE => D3D12_BLEND_DESC_CREATE(D3D12_BLEND_SRC_ALPHA, D3D12_BLEND_ONE);
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public static D3D12_BLEND_DESC D3D12_BLEND_DESC_MULTIPLY => D3D12_BLEND_DESC_CREATE(D3D12_BLEND_DEST_COLOR, D3D12_BLEND_ZERO);
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public static D3D12_BLEND_DESC D3D12_BLEND_DESC_PREMULTIPLIED => D3D12_BLEND_DESC_CREATE(D3D12_BLEND_ONE, D3D12_BLEND_INV_SRC_ALPHA);
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public static D3D12_BLEND_DESC D3D12_BLEND_DESC_NON_PREMULTIPLIED => D3D12_BLEND_DESC_CREATE(D3D12_BLEND_SRC_ALPHA, D3D12_BLEND_INV_SRC_ALPHA);
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public static D3D12_DEPTH_STENCIL_DESC D3D12_DEPTH_STENCIL_DESC_CREATE(
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bool depthEnable,
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bool depthWriteEnable,
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D3D12_COMPARISON_FUNC depthFunc,
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bool stencilEnable = false,
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byte stencilReadMask = D3D12_DEFAULT_STENCIL_READ_MASK,
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byte stencilWriteMask = D3D12_DEFAULT_STENCIL_WRITE_MASK,
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D3D12_STENCIL_OP frontStencilFailOp = D3D12_STENCIL_OP_KEEP,
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D3D12_STENCIL_OP frontStencilDepthFailOp = D3D12_STENCIL_OP_KEEP,
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D3D12_STENCIL_OP frontStencilPassOp = D3D12_STENCIL_OP_KEEP,
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D3D12_COMPARISON_FUNC frontStencilFunc = D3D12_COMPARISON_FUNC_ALWAYS,
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D3D12_STENCIL_OP backStencilFailOp = D3D12_STENCIL_OP_KEEP,
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D3D12_STENCIL_OP backStencilDepthFailOp = D3D12_STENCIL_OP_KEEP,
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D3D12_STENCIL_OP backStencilPassOp = D3D12_STENCIL_OP_KEEP,
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D3D12_COMPARISON_FUNC backStencilFunc = D3D12_COMPARISON_FUNC_ALWAYS)
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{
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return new D3D12_DEPTH_STENCIL_DESC
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{
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DepthEnable = depthEnable,
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DepthWriteMask = depthWriteEnable ? D3D12_DEPTH_WRITE_MASK_ALL : D3D12_DEPTH_WRITE_MASK_ZERO,
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DepthFunc = depthFunc,
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StencilEnable = stencilEnable,
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StencilReadMask = stencilReadMask,
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StencilWriteMask = stencilWriteMask,
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FrontFace = D3D12_DEPTH_STENCILOP_DESC_CREATE(frontStencilFailOp, frontStencilDepthFailOp, frontStencilPassOp, frontStencilFunc),
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BackFace = D3D12_DEPTH_STENCILOP_DESC_CREATE(backStencilFailOp, backStencilDepthFailOp, backStencilPassOp, backStencilFunc)
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};
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}
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public static D3D12_DEPTH_STENCIL_DESC D3D12_DEPTH_STENCIL_DESC_NONE => D3D12_DEPTH_STENCIL_DESC_CREATE(false, false, D3D12_COMPARISON_FUNC_LESS_EQUAL);
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public static D3D12_DEPTH_STENCIL_DESC D3D12_DEPTH_STENCIL_DESC_READ => D3D12_DEPTH_STENCIL_DESC_CREATE(true, false, D3D12_COMPARISON_FUNC_LESS_EQUAL);
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public static D3D12_DEPTH_STENCIL_DESC D3D12_DEPTH_STENCIL_DESC_REVERSE_Z => D3D12_DEPTH_STENCIL_DESC_CREATE(true, true, D3D12_COMPARISON_FUNC_GREATER_EQUAL);
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public static D3D12_DEPTH_STENCIL_DESC D3D12_DEPTH_STENCIL_DESC_READ_REVERSE_Z => D3D12_DEPTH_STENCIL_DESC_CREATE(true, false, D3D12_COMPARISON_FUNC_GREATER_EQUAL);
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public static D3D12_DEPTH_STENCILOP_DESC D3D12_DEPTH_STENCILOP_DESC_CREATE(
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D3D12_STENCIL_OP stencilFailOp,
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D3D12_STENCIL_OP stencilDepthFailOp,
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D3D12_STENCIL_OP stencilPassOp,
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D3D12_COMPARISON_FUNC stencilFunc)
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{
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return new D3D12_DEPTH_STENCILOP_DESC
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{
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StencilFailOp = stencilFailOp,
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StencilDepthFailOp = stencilDepthFailOp,
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StencilPassOp = stencilPassOp,
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StencilFunc = stencilFunc
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};
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}
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public static D3D12_DEPTH_STENCILOP_DESC D3D12_DEPTH_STENCILOP_DESC_DEFAULT => D3D12_DEPTH_STENCILOP_DESC_CREATE(D3D12_STENCIL_OP_KEEP, D3D12_STENCIL_OP_KEEP, D3D12_STENCIL_OP_KEEP, D3D12_COMPARISON_FUNC_ALWAYS);
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}
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