private void AddClearCoatMetalnessMap(MaterialGeneratorContext context)
{
// Metalness Feature
var clearCoatMetalness = ClearCoatMetalnessMap.GenerateShaderSource(context, new MaterialComputeColorKeys(MaterialKeys.MetalnessMap, MaterialKeys.MetalnessValue));
var mixin = new ShaderMixinSource();
mixin.Mixins.Add(new ShaderClassSource("MaterialSurfaceMetalness"));
mixin.AddComposition("metalnessMap", clearCoatMetalness);
context.UseStream(MaterialShaderStage.Pixel, "matSpecular");
context.AddShaderSource(MaterialShaderStage.Pixel, mixin);
}
private void ClampInputs()
{
// Clamp color inputs
var diffuseMin = Vector4.Zero;
var diffuseMax = Vector4.One;
BasePaintDiffuseMap.ClampFloat4(ref diffuseMin, ref diffuseMax);
MetalFlakesDiffuseMap.ClampFloat4(ref diffuseMin, ref diffuseMax);
// Clamp scalar inputs
BasePaintGlossinessMap.ClampFloat(0, 1);
MetalFlakesGlossinessMap.ClampFloat(0, 1);
ClearCoatGlossinessMap.ClampFloat(0, 1);
MetalFlakesMetalnessMap.ClampFloat(0, 1);
ClearCoatMetalnessMap.ClampFloat(0, 1);
}
