void UpdateShaders()
{
using (UpdateShadersMarker.Auto())
{
ProcessCompletedShaderCompilations();
if (m_NodesShaderChanged.Count > 0)
{
// nodes with shader changes cause all downstream nodes to need recompilation
PropagateNodes(m_NodesShaderChanged, PropagationDirection.Downstream, m_NodesNeedsRecompile);
m_NodesShaderChanged.Clear();
}
// if there's nothing to update, or if too many nodes are still compiling, then just return
if ((m_NodesNeedsRecompile.Count == 0) || (m_NodesCompiling.Count >= m_MaxNodesCompiling))
{
return;
}
// flag all nodes in m_NodesNeedRecompile as having out of date textures, and redraw them
foreach (var node in m_NodesNeedsRecompile)
{
PreviewRenderData previewRendererData = GetPreviewRenderData(node);
if ((previewRendererData != null) && !previewRendererData.shaderData.isOutOfDate)
{
previewRendererData.shaderData.isOutOfDate = true;
previewRendererData.NotifyPreviewChanged();
}
}
InitializeSRPIfNeeded(); // SRP must be initialized to compile master node previews
KickOffShaderCompilations();
}
}
void BeginCompile(PreviewRenderData renderData, string shaderStr, int shaderPass)
{
var shaderData = renderData.shaderData;
ShaderUtil.UpdateShaderAsset(shaderData.shader, shaderStr, false);
ShaderUtil.CompilePass(shaderData.mat, shaderPass);
shaderData.isCompiling = true;
renderData.NotifyPreviewChanged();
}
void BeginCompile(PreviewRenderData renderData, string shaderStr)
{
var shaderData = renderData.shaderData;
ShaderUtil.ClearCachedData(shaderData.shader);
ShaderUtil.UpdateShaderAsset(shaderData.shader, shaderStr, false);
for (var i = 0; i < shaderData.mat.passCount; i++)
{
ShaderUtil.CompilePass(shaderData.mat, i);
}
shaderData.isCompiling = true;
renderData.NotifyPreviewChanged();
}
