private void EmitVertexInputsGetter(ShaderSetProcessorInput input, CsCodeWriter ccw) { using (ccw.PushBlock($"public static VertexInputDescription[] GetVertexInputs()")) { ccw.WriteLine($"return new VertexInputDescription[]"); using (ccw.PushBlock(null, ";")) { ccw.WriteLine("new VertexInputDescription("); ccw.IncreaseIndentation(); ParameterDefinition[] vsParams = input.VertexFunction.Parameters; foreach (ParameterDefinition param in vsParams) { StructureDefinition sd = input.Model.GetStructureDefinition(param.Type); foreach (FieldDefinition fd in sd.Fields) { string name = fd.Name; VertexSemanticType semantic = GetSemantic(fd.SemanticType); VertexElementFormat format = GetFormat(fd.Type); ccw.Write($"new VertexInputElement(\"{name}\", VertexSemanticType.{semantic}, VertexElementFormat.{format})"); if (fd == sd.Fields.Last()) { ccw.WriteLine(")"); } else { ccw.WriteLine(","); } } } ccw.DecreaseIndentation(); } } }
public CodeBlock(CsCodeWriter cw, string header, string trailing) { _cw = cw; _trailing = trailing; if (header != null) { _cw.WriteLine(header); } _cw.WriteLine("{"); _cw.IncreaseIndentation(); }
public void ProcessShaderSet(ShaderSetProcessorInput input) { if (input.VertexFunction == null || input.FragmentFunction == null) { throw new InvalidOperationException("Veldrid.ShaderGen failed -- incomplete shader set."); } string outputPath = Path.Combine(UserArgs, input.SetName + ".SetInfo.cs"); using (StreamWriter fs = File.CreateText(outputPath)) { CsCodeWriter ccw = new CsCodeWriter(fs); ccw.WriteLine("// This file is generated."); ccw.Using("Veldrid"); ccw.Using("Veldrid.Graphics"); using (ccw.PushBlock($"public static class {input.SetName}SetInfo")) { EmitVertexInputsGetter(input, ccw); EmitResourceDescsGetter(input, ccw); EmitCreateAll(input, ccw); } } }
public void Dispose() { _cw.DecreaseIndentation(); _cw.Write("}"); if (_trailing != null) { _cw.Write(_trailing); } _cw.WriteLine(); }
private void EmitResourceDescsGetter(ShaderSetProcessorInput input, CsCodeWriter ccw) { using (ccw.PushBlock("public static ShaderResourceDescription[] GetResources()")) { ccw.WriteLine("return new ShaderResourceDescription[]"); using (ccw.PushBlock(null, ";")) { foreach (ResourceDefinition rd in input.Model.Resources) { string name = rd.Name; string secondParam = rd.ResourceKind == ShaderResourceKind.Texture2D || rd.ResourceKind == ShaderResourceKind.TextureCube ? "ShaderResourceType.Texture" : rd.ResourceKind == ShaderResourceKind.Sampler ? "ShaderResourceType.Sampler" : GetConstantSecondParam(rd.ValueType, input.Model); ccw.WriteLine($"new ShaderResourceDescription(\"{name}\", {secondParam}),"); } } } }
private void EmitCreateAll(ShaderSetProcessorInput input, CsCodeWriter ccw) { ccw.WriteLine( @"public static void CreateAll( ResourceFactory factory, CompiledShaderCode vsCode, CompiledShaderCode fsCode, out ShaderSet shaderSet, out ShaderResourceBindingSlots resourceSlots) { Shader vs = factory.CreateShader(ShaderStages.Vertex, vsCode); Shader fs = factory.CreateShader(ShaderStages.Fragment, fsCode); VertexInputLayout layout = factory.CreateInputLayout(GetVertexInputs()); shaderSet = factory.CreateShaderSet(layout, vs, fs); resourceSlots = factory.CreateShaderResourceBindingSlots(shaderSet, GetResources()); }"); }
public void Dispose() { _cw.WriteLine($"#endif // {_condition}"); }
public IfDefSection(CsCodeWriter cw, string condition) { _cw = cw; _condition = condition; _cw.WriteLine($"#if {condition}"); }