internal static void Generate(bool clean, OnShaderCacheProgressDelegate onShaderCacheProgress)
{
// remove contents of the whole cache folder
var outputPath = Path.Combine(MyFileSystem.UserDataPath, MyShadersDefines.CachePath);
Directory.CreateDirectory(outputPath);
if (clean)
{
#if XB1
System.Diagnostics.Debug.Assert(false, "TODO for XB1.");
#else // !XB1
string[] cacheFiles = Directory.GetFiles(outputPath, "*.cache");
for (int i = 0; i < cacheFiles.Length; i++)
{
File.Delete(cacheFiles[i]);
}
#endif // !XB1
}
string filename = null;
CacheGenerator generatorDesc = null;
try
{
XmlSerializer serializer = new XmlSerializer(typeof(CacheGenerator));
filename = Path.Combine(MyShaders.ShadersPath, CacheGeneratorFile);
TextReader reader = new StreamReader(filename);
generatorDesc = serializer.Deserialize(reader) as CacheGenerator;
}
catch (Exception ex)
{
throw new FileLoadException("File " + filename + " not found or invalid: ", ex);
}
if (generatorDesc == null)
{
throw new FileLoadException("File " + filename + " not found or invalid: ");
}
GenerateInternal(generatorDesc, onShaderCacheProgress);
GenerateMaterials(generatorDesc, onShaderCacheProgress);
}
private static ShaderMacro[] m_globalMacros = new[] { new ShaderMacro("MS_SAMPLE_COUNT", 2), new ShaderMacro("MS_SAMPLE_COUNT", 4), new ShaderMacro("MS_SAMPLE_COUNT", 8) };//, new ShaderMacro("FXAA_ENABLED",null)};
private static void GenerateMaterials(CacheGenerator generatorDesc, OnShaderCacheProgressDelegate onShaderCacheProgress)
{
int combinationsCount = generatorDesc.Materials.Length * generatorDesc.Passes.Length * generatorDesc.Combos.Length;
int combinationsCounter = 0;
for (int i = 0; i < generatorDesc.Materials.Length; i++)
{
var materialId = MyStringId.GetOrCompute(generatorDesc.Materials[i].Id);
var materialFlags = ParseFlags(generatorDesc.Materials[i].FlagNames);
var unsupportedMaterialFlags = ParseFlags(generatorDesc.Materials[i].UnsupportedFlagNames);
for (int j = 0; j < generatorDesc.Passes.Length; j++)
{
var passId = MyStringId.GetOrCompute(generatorDesc.Passes[j].Id);
var passFlags = ParseFlags(generatorDesc.Passes[j].FlagNames);
var unsupportedPassFlags = ParseFlags(generatorDesc.Passes[j].UnsupportedFlagNames);
for (int c = 0; c < generatorDesc.Combos.Length; c++)
{
combinationsCounter++;
float progress = (float)combinationsCounter * 100 / combinationsCount;
if (string.IsNullOrEmpty(generatorDesc.Combos[c].Material) && string.IsNullOrEmpty(generatorDesc.Combos[c].Pass))
{
GenerateCombo(materialId, passId, materialFlags | passFlags, unsupportedMaterialFlags | unsupportedPassFlags, generatorDesc.Combos[c].ComboList1, generatorDesc.Combos[c].ComboList2, progress, onShaderCacheProgress);
}
}
}
}
for (int c = 0; c < generatorDesc.Combos.Length; c++)
{
if (!string.IsNullOrEmpty(generatorDesc.Combos[c].Material) && !string.IsNullOrEmpty(generatorDesc.Combos[c].Pass))
{
combinationsCounter++;
float progress = (float)combinationsCounter * 100 / combinationsCount;
var materialId = MyStringId.GetOrCompute(generatorDesc.Combos[c].Material);
var passId = MyStringId.GetOrCompute(generatorDesc.Combos[c].Pass);
GenerateCombo(materialId, passId, MyShaderUnifiedFlags.NONE, MyShaderUnifiedFlags.NONE, generatorDesc.Combos[c].ComboList1, generatorDesc.Combos[c].ComboList2, progress, onShaderCacheProgress);
}
}
}
private static void GenerateInternal(CacheGenerator generatorDesc, OnShaderCacheProgressDelegate onShaderCacheProgress)
{
#if XB1
System.Diagnostics.Debug.Assert(false, "TODO for XB1.");
#else // !XB1
var shaderPath = Path.Combine(MyShaders.ShadersPath);
string[] files = GetShadersRecursively(shaderPath, generatorDesc.Ignores);
var macroVariants = new List <string[]>();
var macroVariantMandatory = new List <bool>();
for (int i = 0; i < files.Length; i++)
{
float progress = (float)i * 100 / files.Length;
string file = files[i];
string fileText = file.Remove(0, shaderPath.Length);
using (var reader = new StreamReader(file))
{
var source = reader.ReadToEnd();
bool any = false;
if (source.IndexOf(ANNOTATION_SKIP) != -1)
{
continue;
}
for (MyShaderProfile profile = 0; profile < MyShaderProfile.count; profile++)
{
string function = MyShaders.ProfileEntryPoint(profile);
if (source.Contains(function))
{
// generate list of macro variants
macroVariants.Clear();
macroVariantMandatory.Clear();
// global ones
macroVariants.Add(new[] { "MS_SAMPLE_COUNT 2", "MS_SAMPLE_COUNT 4", "MS_SAMPLE_COUNT 8", "FXAA_ENABLED" });
macroVariantMandatory.Add(false);
// shader specific ones
int defineEndIndex = 0;
while (true)
{
int defineIndex = source.IndexOf('@', defineEndIndex);
if (defineIndex == -1)
{
break;
}
int advance = -1;
bool mandatory = false;
defineIndex++;
if (CheckAnnotation(source, defineIndex, ANNOTATION_DEFINE_MANDATORY))
{
advance = ANNOTATION_DEFINE_MANDATORY.Length;
mandatory = true;
}
else if (CheckAnnotation(source, defineIndex, ANNOTATION_DEFINE))
{
advance = ANNOTATION_DEFINE.Length;
}
if (advance == -1)
{
defineEndIndex++;
continue;
}
defineIndex += advance;
defineEndIndex = source.IndexOf("\n", defineIndex);
if (defineEndIndex == -1)
{
defineEndIndex = source.Length;
}
var define = source.Substring(defineIndex, defineEndIndex - defineIndex);
define = define.Trim();
var defineEntries = define.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
macroVariants.Add(defineEntries);
macroVariantMandatory.Add(mandatory);
}
// init macro counters based on mandatory flag
var counters = new int[macroVariants.Count];
for (int j = 0; j < macroVariants.Count; j++)
{
counters[j] = macroVariantMandatory[j] ? 1 : 0;
}
// compile all variants
bool finished = false;
while (!finished)
{
// prepare macros
var macros = new List <ShaderMacro>();
for (int j = 0; j < macroVariants.Count; j++)
{
if (counters[j] > 0)
{
var define = macroVariants[j][counters[j] - 1];
var defineSplit = define.Split((char[])null, StringSplitOptions.RemoveEmptyEntries);
MyDebug.AssertDebug(defineSplit.Length == 1 || defineSplit.Length == 2, "Invalid define @ " + fileText + ": " + define);
if (defineSplit.Length > 1)
{
macros.Add(new ShaderMacro(defineSplit[0].Trim(), defineSplit[1].Trim()));
}
else
{
macros.Add(new ShaderMacro(defineSplit[0].Trim(), null));
}
}
}
// compile
PreCompile(file, macros, profile, fileText, "", progress, onShaderCacheProgress);
any = true;
// increase variants counters
int countersIndex = counters.Length - 1;
do
{
counters[countersIndex]++;
if (counters[countersIndex] > macroVariants[countersIndex].Length)
{
counters[countersIndex] = macroVariantMandatory[countersIndex] ? 1 : 0;
if (countersIndex == 0)
{
finished = true;
}
countersIndex--;
}
else
{
break;
}
} while (countersIndex >= 0);
}
}
}
if (!any && onShaderCacheProgress != null)
{
onShaderCacheProgress(progress, file, "", "", "", "No entry point found.", true);
}
}
}
#endif // !XB1
}