public static void GenerateOutputFields(FrontEndTranslator translator, ShaderType shaderType, ShaderInterfaceSet interfaceSet, ShaderBlock declarationBlock, ShaderBlock decorationsBlock)
{
if (interfaceSet.Fields.Count == 0)
{
return;
}
var outputsName = shaderType.mMeta.mName + "_Outputs";
EntryPointGenerationShared.GenerateInterfaceGlobalFields(translator, interfaceSet.Fields, outputsName, "Out", StorageClass.Output);
foreach (var inputField in interfaceSet)
{
var fieldOp = interfaceSet.GetFieldInstance(translator, inputField, null);
declarationBlock.mLocalVariables.Add(fieldOp);
}
Decorations.LocationCallback locationCallback = (ShaderField field, out int location, out int component) =>
{
location = component = -1;
var attribute = field.mMeta.mAttributes.FindFirstAttribute(typeof(Shader.StageOutput));
if (attribute == null)
{
return(false);
}
var parsedAttribute = AttributeExtensions.ParseStageOutput(attribute);
location = parsedAttribute.Location;
component = parsedAttribute.Component;
return(false);
};
Decorations.AddDecorationLocations(translator, shaderType, interfaceSet, locationCallback, decorationsBlock);
}
public static ShaderOp GenerateOutputBlockStruct(FrontEndTranslator translator, ShaderType shaderType, ShaderInterfaceSet interfaceSet, ShaderBlock declarationBlock, ShaderBlock decorationsBlock)
{
var instanceOp = GenerateOutputStruct(translator, shaderType, interfaceSet, declarationBlock, decorationsBlock);
if (instanceOp == null)
{
return(null);
}
var instanceType = instanceOp.mResultType.GetDereferenceType();
Decorations.AddDecorationBlock(translator, instanceType, decorationsBlock);
return(instanceOp);
}
public static ShaderOp GenerateOutputStruct(FrontEndTranslator translator, ShaderType shaderType, ShaderInterfaceSet interfaceSet, ShaderBlock declarationBlock, ShaderBlock decorationsBlock)
{
if (interfaceSet.Fields.Count == 0)
{
return(null);
}
var typeName = shaderType.mMeta.TypeName.CloneAsAppended("_Outputs");
var instanceName = "Out";
var instanceOp = EntryPointGenerationShared.GenerateInterfaceStructAndOp(translator, interfaceSet.Fields, typeName, instanceName, StorageClass.Output);
Decorations.AddDecorationLocation(translator, instanceOp, 0, decorationsBlock);
declarationBlock.mLocalVariables.Add(instanceOp);
return(instanceOp);
}
public static void GenerateCopyOutputsFunction(FrontEndTranslator translator, ShaderType shaderType, ShaderEntryPointInfo entryPoint, EntryPointInterfaceInfo interfaceInfo)
{
// No outputs to copy, don't generate anything
if (interfaceInfo.HardwareBuiltInOutputs.Count == 0 && interfaceInfo.StageOutputs.Count == 0)
{
return;
}
interfaceInfo.CopyOutputsFunction = EntryPointGenerationShared.GenerateEntryPointCopyFunction(translator, shaderType, "CopyOutputs");
var thisOp = interfaceInfo.CopyOutputsFunction.ShaderTypeInstanceOp;
var context = interfaceInfo.CopyOutputsFunction.Context;
EntryPointGenerationShared.CopyInterfaceFields(translator, thisOp, interfaceInfo.HardwareBuiltInOutputs, InterfaceFieldCopyMode.Output, context);
EntryPointGenerationShared.CopyInterfaceFields(translator, thisOp, interfaceInfo.StageOutputs, InterfaceFieldCopyMode.Output, context);
translator.FixupBlockTerminators(interfaceInfo.CopyOutputsFunction.ShaderFunction);
}
public static void GenerateCopyInputsFunction(FrontEndTranslator translator, ShaderType shaderType, ShaderEntryPointInfo entryPoint, EntryPointInterfaceInfo interfaceInfo)
{
// No inputs to copy, don't generate anything
if (interfaceInfo.HardwareBuiltInInputs.Count == 0 && interfaceInfo.StageInputs.Count == 0 && interfaceInfo.UniformBuffers.Count == 0)
{
return;
}
interfaceInfo.CopyInputsFunction = EntryPointGenerationShared.GenerateEntryPointCopyFunction(translator, shaderType, "CopyInputs");
var thisOp = interfaceInfo.CopyInputsFunction.ShaderTypeInstanceOp;
var context = interfaceInfo.CopyInputsFunction.Context;
EntryPointGenerationShared.CopyInterfaceFields(translator, thisOp, interfaceInfo.HardwareBuiltInInputs, InterfaceFieldCopyMode.Input, context);
EntryPointGenerationShared.CopyInterfaceFields(translator, thisOp, interfaceInfo.StageInputs, InterfaceFieldCopyMode.Input, context);
foreach (var uniformBuffer in interfaceInfo.UniformBuffers.Buffers.Values)
{
UniformDeclarations.CopyUniformBufferFields(translator, thisOp, uniformBuffer, InterfaceFieldCopyMode.Input, context);
}
translator.FixupBlockTerminators(interfaceInfo.CopyInputsFunction.ShaderFunction);
}
