public virtual async Task <PipelineState> CreateComputePipelineStateAsync()
{
CompiledShader compiledShader = await CreateShaderAsync();
RootSignature rootSignature = CreateRootSignature();
PipelineState pipelineState = new PipelineState(GraphicsDevice, rootSignature, compiledShader.Shaders["compute"]);
return(pipelineState);
}
public async Task <PipelineState> CreateGraphicsPipelineStateAsync(InputElementDescription[] inputElements)
{
CompiledShader compiledShader = await CreateShaderAsync();
RootSignature rootSignature = CreateRootSignature();
PipelineState pipelineState = new PipelineState(GraphicsDevice, rootSignature, inputElements,
compiledShader.Shaders["vertex"],
compiledShader.Shaders["pixel"],
compiledShader.Shaders.ContainsKey("geometry") ? compiledShader.Shaders["geometry"] : null,
compiledShader.Shaders.ContainsKey("hull") ? compiledShader.Shaders["hull"] : null,
compiledShader.Shaders.ContainsKey("domain") ? compiledShader.Shaders["domain"] : null);
return(pipelineState);
}
public override async Task <object> CreateAssetAsync(IServiceProvider services)
{
IContentManager contentManager = services.GetRequiredService <IContentManager>();
CompiledShader compiledShader = new CompiledShader();
foreach (var shaderSource in ShaderSources)
{
using Stream stream = await contentManager.FileProvider.OpenStreamAsync(shaderSource.Value, FileMode.Open, FileAccess.Read);
using MemoryStream memoryStream = new MemoryStream();
await stream.CopyToAsync(memoryStream);
compiledShader.Shaders[shaderSource.Key] = memoryStream.ToArray();
}
return(compiledShader);
}
public virtual Task <CompiledShader> CreateShaderAsync()
{
if (Shader is null)
{
throw new InvalidOperationException();
}
CompiledShader compiledShader = new CompiledShader();
ShaderGenerator shaderGenerator = new ShaderGenerator(Shader, Settings);
ShaderGeneratorResult result = shaderGenerator.GenerateShader();
foreach (var entryPoint in result.EntryPoints)
{
compiledShader.Shaders[entryPoint.Key] = ShaderCompiler.Compile(GetShaderStage(entryPoint.Key), result.ShaderSource, entryPoint.Value);
}
return(Task.FromResult(compiledShader));
}