private void Generate(MaterialShaderStage stage, MaterialGeneratorContext context)
{
if (!context.HasSurfaceShaders(stage))
{
return;
}
// Blend setup for this layer
context.SetStream(stage, BlendStream, BlendMap, MaterialKeys.BlendMap, MaterialKeys.BlendValue);
// Generate a dynamic shader name
// Create a mixin
var shaderMixinSource = new ShaderMixinSource();
shaderMixinSource.Mixins.Add(new ShaderClassSource("MaterialSurfaceStreamsBlend"));
// Add all streams
foreach (var stream in context.Streams[stage])
{
shaderMixinSource.AddCompositionToArray("blends", context.GetStreamBlendShaderSource(stream));
}
var materialBlendLayerMixin = context.GenerateSurfaceShader(stage);
// Add the shader to the mixin
shaderMixinSource.AddComposition("layer", materialBlendLayerMixin);
context.ResetSurfaceShaders(stage);
context.AddSurfaceShader(stage, shaderMixinSource);
}
