/// <summary>
/// Check that methods with streams are not called across several stages.
/// </summary>
/// <param name="shaderStage">The current shader stage to check.</param>
/// <param name="methodsWithStreams">The list of methods that need streams in that stage.</param>
private void CheckCrossStageMethodCall(PdxShaderStage shaderStage, List<MethodDeclaration> methodsWithStreams)
{
foreach (var stageList in methodsPerShaderStage)
{
var stage = stageList.Key;
if (stage != shaderStage) // should always be true
{
foreach (var method in methodsWithStreams)
{
if (stageList.Value.Contains(method))
{
errorWarningLog.Error(ParadoxMessageCode.ErrorCrossStageMethodCall, method.Span, method, stage, shaderStage);
}
}
}
}
methodsPerShaderStage.Add(shaderStage, methodsWithStreams);
}
/// <summary>
/// Get the streams usage for this entrypoint
/// </summary>
/// <param name="moduleMixin">the current module mixin</param>
/// <param name="entryPoint">the entrypoint method</param>
/// <returns>a StreamStageUsage containing the streams usages</returns>
private StreamStageUsage StreamAnalysisPerShader(ModuleMixin moduleMixin, MethodDeclaration entryPoint, PdxShaderStage shaderStage)
{
var visitedMethods = new List<MethodDeclaration>();
var streamStageUsage = new StreamStageUsage { ShaderStage = shaderStage };
FindStreamsUsage(entryPoint, streamStageUsage.InStreamList, streamStageUsage.OutStreamList, visitedMethods);
visitedMethods.Clear();
return streamStageUsage;
}
