static void WriteLayout(StringBuilder builder, CDomainShader shader, Pair<TesselationLayout, ShaderStage> layoutAndOutputStage)
{
var layout = layoutAndOutputStage.First;
TesselationDomain hullDomain;
TesselationPartitioning partitioning;
TesselationTopology topology;
layout.Decode(out hullDomain, out partitioning, out topology);
if (hullDomain != shader.Domain)
throw new InvalidOperationException("Hull and Domain shaders have cannot have different domains");
builder.AppendLine(string.Format("layout ( {0}, {1}, {2} ) in;",
TesselationDomainToString(hullDomain), TesselationPartitioningToString(partitioning), TesselationTopologyToString(topology)));
}
static void WriteIOAndCode(StringBuilder builder, CDomainShader shader, Pair<TesselationLayout, ShaderStage> layoutAndOutputStage)
{
var outputStage = layoutAndOutputStage.Second;
var reflection = shader.Reflection;
WriteCodeLines(builder, reflection.CodeGlobalLines);
builder.AppendLine();
WritePatchBlock(builder, reflection.InputPatch, "INPUT_PATCH", "bs_patch_", "patch in");
WriteInputArrayBlock(builder, reflection.Input, OutputPrefixForStage(ShaderStage.Domain));
WriteInputExtraBlock(builder, reflection.InputExtra, "INPUT_EXTRA", "InputExtra", "bs_input_extra_");
WriteSimpleIOBlock(builder, reflection.Output, "OUTPUT", "out", OutputPrefixForStage(outputStage));
WriteFunction(builder, "main", null, reflection.CodeMainLines, outputStage == ShaderStage.Pixel ? PositionAdjustment : null);
}