125 lines
3.2 KiB
C#
125 lines
3.2 KiB
C#
namespace Ghost.Core.Graphics;
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public enum KeywordSpace
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{
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Local,
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Global,
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}
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public enum ShaderPropertyType
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{
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None,
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Float, Float2, Float3, Float4,
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Float4x4,
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Int, Int2, Int3, Int4,
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UInt, UInt2, UInt3, UInt4,
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Bool, Bool2, Bool3, Bool4,
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Texture2D, Texture3D, TextureCube,
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Texture2DArray, TextureCubeArray,
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Sampler
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}
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public struct ShaderEntryPoint
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{
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public string entry;
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public string shader;
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public readonly bool IsCreated => !string.IsNullOrEmpty(entry) && !string.IsNullOrEmpty(shader);
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}
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public struct KeywordsGroup
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{
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public KeywordSpace space;
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public List<string>? keywords;
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}
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public interface IPassDescriptor
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{
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public string Identifier
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{
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get;
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}
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public string Name
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{
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get;
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}
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}
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public struct PropertyDescriptor
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{
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public ShaderPropertyType type;
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public string name;
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public object? defaultValue;
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}
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public class FullPassDescriptor : IPassDescriptor
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{
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public string uniqueIdentifier = string.Empty;
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public string name = string.Empty;
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public ShaderEntryPoint taskShader;
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public ShaderEntryPoint meshShader;
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public ShaderEntryPoint pixelShader;
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public List<string>? defines;
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public List<string>? includes;
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public List<KeywordsGroup>? keywords;
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public PipelineState localPipeline;
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public string Identifier => uniqueIdentifier;
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public string Name => name;
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}
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public class FallbackPassDescriptor : IPassDescriptor
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{
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public string fallbackPassIdentifier = string.Empty;
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public string name = string.Empty;
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public string Identifier => fallbackPassIdentifier;
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public string Name => name;
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}
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public class ShaderDescriptor
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{
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public string name = string.Empty;
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public string? generatedCodePath;
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public uint cbufferSize;
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public List<PropertyDescriptor> globalProperties = new();
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public List<PropertyDescriptor> properties = new();
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public List<IPassDescriptor> passes = new();
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}
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public static class ShaderDescriptorExtensions
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{
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public static uint GetSize(this ShaderPropertyType type)
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{
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return type switch
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{
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ShaderPropertyType.Float => 4,
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ShaderPropertyType.Float2 => 8,
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ShaderPropertyType.Float3 => 12,
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ShaderPropertyType.Float4 => 16,
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ShaderPropertyType.Float4x4 => 64,
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ShaderPropertyType.Int => 4,
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ShaderPropertyType.Int2 => 8,
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ShaderPropertyType.Int3 => 12,
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ShaderPropertyType.Int4 => 16,
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ShaderPropertyType.UInt => 4,
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ShaderPropertyType.UInt2 => 8,
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ShaderPropertyType.UInt3 => 12,
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ShaderPropertyType.UInt4 => 16,
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ShaderPropertyType.Bool => 4,
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ShaderPropertyType.Bool2 => 8,
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ShaderPropertyType.Bool3 => 12,
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ShaderPropertyType.Bool4 => 16,
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ShaderPropertyType.Texture2D => 4, // Bindless resource use uint32
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ShaderPropertyType.Texture3D => 4,
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ShaderPropertyType.TextureCube => 4,
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ShaderPropertyType.Texture2DArray => 4,
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ShaderPropertyType.TextureCubeArray => 4,
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ShaderPropertyType.Sampler => 4,
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_ => 0,
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};
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}
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}
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