public void AddVariant(PassType passType, ShaderVariantInfo variant)
{
List <ShaderVariantInfo> m_tempList;
if (!m_variantByPassTypeDict.TryGetValue(passType, out m_tempList))
{
m_tempList = new List <ShaderVariantInfo>();
m_variantByPassTypeDict.Add(passType, m_tempList);
}
m_tempList.Add(variant);
}
static Dictionary <string, ShaderVariantCollectionItem> GetShaderVariantList(ShaderVariantCollection svc, Dictionary <string, ShaderVariantCollectionItem> dict)
{
if (svc == null)
{
return(null);
}
if (dict == null)
{
return(null);
}
SerializedObject serializedObject = new SerializedObject(svc);
SerializedProperty m_shadersProperty = serializedObject.FindProperty("m_Shaders");
if (m_shadersProperty == null)
{
return(null);
}
Shader shader = null;
string keywords = string.Empty;
PassType passType = PassType.Normal;
ShaderVariantCollectionItem shaderVariantCollectionItem;
for (int i = 0; i < m_shadersProperty.arraySize; i++)
{
var oneShaderProperty = m_shadersProperty.GetArrayElementAtIndex(i);
var firstSP = oneShaderProperty.FindPropertyRelative("first");
if (firstSP != null)
{
shader = firstSP.objectReferenceValue as Shader;
if (shader)
{
if (shader.IsDefineKeywords() == false)
{
//没有定义KeyWords的Shader不能剔除，这里不塞入字典内，不参与过滤
continue;
}
else
{
//如果定义了，但是没有在变体收集器中指定确定的变体，则默认剔除
if (!dict.TryGetValue(shader.name, out shaderVariantCollectionItem))
{
shaderVariantCollectionItem = new ShaderVariantCollectionItem(shader);
dict.Add(shader.name, shaderVariantCollectionItem);
}
}
}
}
var variantsSP = oneShaderProperty.FindPropertyRelative("second.variants");
if (variantsSP != null)
{
for (int j = 0; j < variantsSP.arraySize; j++)
{
var variantSP = variantsSP.GetArrayElementAtIndex(j);
var keywordsSp = variantSP.FindPropertyRelative("keywords");
if (keywordsSp != null)
{
keywords = keywordsSp.stringValue;
}
var passTypeSp = variantSP.FindPropertyRelative("passType");
if (passTypeSp != null)
{
passType = (PassType)passTypeSp.intValue;
}
//没有定义KeyWords的Shader不能剔除，这里不塞入字典内，不参与过滤
if (shader != null && !string.IsNullOrEmpty(keywords))
{
try
{
if (!dict.TryGetValue(shader.name, out shaderVariantCollectionItem))
{
shaderVariantCollectionItem = new ShaderVariantCollectionItem(shader);
dict.Add(shader.name, shaderVariantCollectionItem);
}
ShaderVariantInfo shaderVariant = new ShaderVariantInfo(shader, passType, Regex.Split(keywords, " "));
shaderVariantCollectionItem.AddVariant(passType, shaderVariant);
}
catch (System.Exception e)
{
Debug.LogWarning(e.ToString());
Debug.LogWarningFormat("{0}, PassType = {1}, Keywords = '{2}'", shader.name, passType, keywords);
}
}
}
}
}
return(dict);
}