private static CachedPipeline CreateAndCachePipeline(this ResourceFactory resourceFactory, SimplePipelineDescription simplePipelineDescription)
{
var shaderSet = resourceFactory.GetShaderSet(simplePipelineDescription.ShaderSettings);
var pipelineDescription = new GraphicsPipelineDescription(
simplePipelineDescription.FilterMode.ToBlendStateDescription(),
DepthStencilStateDescription.DepthOnlyLessEqual,
new RasterizerStateDescription(FaceCullMode.Back, PolygonFillMode.Solid, FrontFace.CounterClockwise, true, false),
simplePipelineDescription.FaceType.ToPrimitiveTopology(),
shaderSet.ShaderSetDescription,
shaderSet.ResourceLayout,
simplePipelineDescription.OutputDescription);
var pipeline = resourceFactory.CreateGraphicsPipeline(ref pipelineDescription);
var cachedPipeline = new CachedPipeline
{
Pipeline = pipeline,
ResourceLayout = shaderSet.ResourceLayout,
};
_cachedPipelines[resourceFactory].Add(simplePipelineDescription, cachedPipeline);
return(cachedPipeline);
}
public static CachedPipeline GetPipeline(this ResourceFactory resourceFactory, SimplePipelineDescription simplePipelineDescription)
{
if (!_cachedPipelines.TryGetValue(resourceFactory, out var pipelineDictionary))
{
pipelineDictionary = new Dictionary <SimplePipelineDescription, CachedPipeline>();
_cachedPipelines.Add(resourceFactory, pipelineDictionary);
}
return(pipelineDictionary.TryGetValue(simplePipelineDescription, out var value) ? value : resourceFactory.CreateAndCachePipeline(simplePipelineDescription));
}