public static string GetKeywordName(ShaderKeyword k)
{
#if UNITY_2018_3_OR_NEWER
return(k.GetKeywordName());
#else
return( = k.GetName());
#endif
}
public void OnProcessShader(Shader shader, ShaderSnippetData snippet, IList <ShaderCompilerData> shaderVariants)
{
if (!ShaderVariantsStripperConfigure.Configure.useStripper)
{
return;
}
int inputShaderVariantCount = shaderVariants.Count;
string prefix = "VARIANT: " + shader.name + " (";
if (snippet.passName.Length > 0)
{
prefix += snippet.passName + ", ";
}
prefix += snippet.shaderType.ToString() + ") ";
if (ShaderVariantsStripperConfigure.Configure.enableLog)
{
if (shaderSets.Add(shader.name))
{
File.AppendAllText(allshaderFile, shader.name + "\n");
}
}
for (int i = 0; i < shaderVariants.Count; ++i)
{
string log = prefix;
log += shaderVariants[i].shaderCompilerPlatform.ToString() + " ";
log += shaderVariants[i].graphicsTier.ToString() + " ";
if (ShaderVariantsStripperConfigure.Configure.enableLog)
{
ShaderKeyword[] keywords = shaderVariants[i].shaderKeywordSet.GetShaderKeywords();
for (int labelIndex = 0; labelIndex < keywords.Count(); ++labelIndex)
{
ShaderKeyword akey = keywords[labelIndex];
bool isUserDefined = akey.GetKeywordType() == ShaderKeywordType.UserDefined;
bool isBuiltinDefault = akey.GetKeywordType() == ShaderKeywordType.BuiltinDefault;
bool isBuiltinExtra = akey.GetKeywordType() == ShaderKeywordType.BuiltinExtra;
bool isBuiltinAutoStripped = akey.GetKeywordType() == ShaderKeywordType.BuiltinAutoStripped;
#if UNITY_2018_3_OR_NEWER
string keyWordName = akey.GetKeywordName();
#else
string keyWordName = akey.GetName();
#endif
log += keyWordName + " ";
{
if (keySets.Add(keyWordName))
{
File.AppendAllText(keywordFile, keyWordName + "\n");
}
}
if (isBuiltinDefault)
{
if (!buildInKeys.Contains(keyWordName))
{
buildInKeys.Add(keyWordName);
File.AppendAllText(buildInFile, keyWordName + "\n");
}
}
if (isBuiltinExtra)
{
if (!buildInExtraKeys.Contains(keyWordName))
{
buildInExtraKeys.Add(keyWordName);
File.AppendAllText(buildExtraFile, keyWordName + "\n");
}
}
if (isBuiltinAutoStripped)
{
if (!buildInAutoStripKeys.Contains(keyWordName))
{
buildInAutoStripKeys.Add(keyWordName);
File.AppendAllText(buildInAutoStripFile, keyWordName + "\n");
}
}
if (isUserDefined)
{
if (!userDefineKeys.Contains(keyWordName))
{
userDefineKeys.Add(keyWordName);
File.AppendAllText(userDefineFile, keyWordName + "\n");
}
}
}
}
bool keepVariant = true;
if (ShaderVariantsStripperConfigure.Configure.useWhitelist)
{
keepVariant = KeepVariantByWhitelist(shader, snippet, shaderVariants[i]);
}
else
{
keepVariant = KeepVariantByConfigure(shader, snippet, shaderVariants[i]);
}
if (ShaderVariantsStripperConfigure.Configure.enableLog)
{
//填写编译结果
ShaderCompileReport.Report.AddCompileInfo(shader.name, snippet, shaderVariants[i], !keepVariant);
}
if (!keepVariant)
{
shaderVariants.RemoveAt(i);
--i;
}
if (ShaderVariantsStripperConfigure.Configure.enableLog)
{
File.AppendAllText(logFile, log + "\n");
}
}
if (ShaderVariantsStripperConfigure.Configure.enableLog)
{
float percentage = (float)shaderVariants.Count / (float)inputShaderVariantCount * 100f;
string logresult = "STRIPPING(" + shader.name + " " + snippet.passName + " " + snippet.shaderType.ToString() + ") = Kept / Total = " + shaderVariants.Count + " / " + inputShaderVariantCount + " = " + percentage + "% of the generated shader variants remain in the player data";
//Debug.Log(BText(logresult));
File.AppendAllText(logFile, logresult + "\n");
}
}