void WriteInterfacePointers(IrInterfaceManger manager)
{
var interfaces = manager.Chunk;
var rdef = Context.Shader.ResourceDefinition.Chunk;
WriteLine("// Interface Pointers");
foreach (var cb in rdef.ConstantBuffers
.Where(cb => cb.BufferType == ConstantBufferType.InterfacePointers))
{
WriteLine($"{cb.ToString()}");
}
var cbVariables = rdef.ConstantBuffers
.Where(cb => cb.BufferType == ConstantBufferType.InterfacePointers)
.Single()
.Variables;
foreach (var group in cbVariables.GroupBy(v => GetShaderTypeName(v.ShaderType)))
{
var itf = group.First();
WriteLine($"interface {group.Key} ");
WriteLine("{");
var slots = interfaces.InterfaceSlots.Single(i => i.StartSlot == itf.StartOffset);
var tableId = slots.TableIDs.First();
var functionTables = manager.FunctionTables[$"ft{tableId}"];
for (int i = 0; i < functionTables.Count; i++)
{
WriteLine($" void Call{i}();");
}
WriteLine("};");
}
foreach (var variable in cbVariables)
{
// interface definition must come before instance
var indexString = variable.ShaderType.ElementCount > 0 ? $"[{variable.ShaderType.ElementCount}]" : "";
WriteLine($"{GetShaderTypeName(variable.ShaderType)} {variable.Name}{indexString};");
}
foreach (var ct in interfaces.AvailableClassTypes)
{
var slots = interfaces.InterfaceSlots.First(i => i.TypeIDs.Contains(ct.ID));
var itf = cbVariables.First(v => v.StartOffset == slots.StartSlot);
WriteLine($"class {ct.Name} : {GetShaderTypeName(itf.ShaderType)}");
WriteLine("{");
IncreaseIndent();
var functionTables = manager.FunctionTables[$"ft{ct.ID}"];
WriteIndent();
WriteLine($"// ft{ct.ID}");
WriteIndent();
WriteLine($"{slots}");
for (int i = 0; i < functionTables.Count; i++)
{
var functionBody = manager.Passes[functionTables[i]];
WriteIndent();
WriteLine($"void Call{i}(){{");
IncreaseIndent();
foreach (var token in functionBody.Instructions)
{
Context.InstructionWriter.WriteInstruction(token);
}
DecreaseIndent();
WriteIndent();
WriteLine($"}}");
}
DecreaseIndent();
WriteLine("};");
}
}
public void WriteInterface(IrInterfaceManger manager)
{
WriteFormat(manager.Chunk.ToString());
WriteInterfacePointers(manager);
}
