void AddPreview(INode node)
{
var shaderData = new PreviewShaderData
{
node = node,
shader = m_UberShader
};
var renderData = new PreviewRenderData
{
shaderData = shaderData,
renderTexture = new RenderTexture(200, 200, 16, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default)
{
hideFlags = HideFlags.HideAndDontSave
},
};
renderData.renderTexture.Create();
Set(m_Identifiers, node.tempId, node.tempId);
Set(m_RenderDatas, node.tempId, renderData);
node.RegisterCallback(OnNodeModified);
var isMaster = node is IMasterNode;
if (masterRenderData.shaderData == null &&
(isMaster || node is SubGraphOutputNode))
{
masterRenderData.shaderData = shaderData;
// If it's actually the master, clear the shader since it will be assigned
// later. SubGraphOutputNode still needs the UberShader.
if (isMaster)
{
masterRenderData.shaderData.shader = null;
}
}
m_NeedShaderUpdate = true;
}
void OnNodeModified(INode node, ModificationScope scope)
{
m_NeedShaderUpdate |= (scope == ModificationScope.Topological || scope == ModificationScope.Graph);
}