public ShaderVariable[] GetPushConstants()
{
ShaderVariable[] pushConstants = new ShaderVariable[0];
IEnumerable <string> fields = _segmentCollection.GetPushConstantFields();
if (fields != null)
{
pushConstants = ShaderVariableParser.Parse(fields).ToArray();
for (int i = 0; i < pushConstants.Length; i++)
{
pushConstants[i].ShaderStage = ShaderStage;
}
}
return(pushConstants);
}
public Dictionary <int, ShaderUniformSet> GetDescriptorSetLayouts()
{
Dictionary <int, ShaderUniformSet> sets = new Dictionary <int, ShaderUniformSet>();
IEnumerable <DescriptorSegment> descriptorSegments = _segmentCollection.GetSegments <DescriptorSegment>();
for (int i = 0; i < descriptorSegments.Count(); i++)
{
}
/*
* if (!sets.ContainsKey(set))
* {
* sets.Add(set, new ShaderUniformSet(set));
* }
* sets[set].ShaderUniforms.Add(shaderUniform);*/
MatchCollection matches = Regex.Matches(code, @"layout *\( *(( *std140 *| *set *= *\d*) *, *){0,1} *binding *= *\d*\) *(readonly){0,1} *(buffer|uniform) ");
for (int i = 0; i < matches.Count; i++)
{
Match match = matches[i];
int set = 0;
string theMatch = match.ToString();
if (theMatch.Contains("set"))
{
set = int.Parse(theMatch.Substring(theMatch.IndexOf("set"), theMatch.IndexOf(",") - theMatch.IndexOf("set")).Replace("set", string.Empty).Replace("=", string.Empty).Trim());
}
int binding = int.Parse(theMatch.Substring(theMatch.IndexOf("binding"), theMatch.IndexOf(")") - theMatch.IndexOf("binding")).Replace("binding", string.Empty).Replace("=", string.Empty).Trim());
string bufferOrUniformSegment = Regex.Match(theMatch, @"(buffer |uniform )").ToString();
string codeSegment = SegmentParser.GetWholeCodeSegment(code, match.Index);
DescriptorType descriptorType;
string name;
uint size = 0;
string segmentAfterBufferOrUniform = codeSegment.Substring(codeSegment.IndexOf(bufferOrUniformSegment, StringComparison.InvariantCultureIgnoreCase) + bufferOrUniformSegment.Length);
if (codeSegment.Contains("{"))
{
descriptorType = Constants.GlslToCustomDescriptorTypeConverter.Convert(bufferOrUniformSegment.Trim());
int openingIndex = segmentAfterBufferOrUniform.IndexOf("{");
int closingIndex = segmentAfterBufferOrUniform.IndexOf("}");
name = Util.KillDuplicateWhiteSpaces(segmentAfterBufferOrUniform.Substring(0, openingIndex));
string pushconstantSegment = segmentAfterBufferOrUniform.Substring(openingIndex + 1, closingIndex - openingIndex - 1);
IEnumerable <string> fields = pushconstantSegment.Split(';').Select(s => s.Trim());
List <ShaderVariable> variables = ShaderVariableParser.Parse(fields);
size = (uint)variables.Sum(v => v.Size);
}
else
{
string[] typeAndName = Util.KillDuplicateWhiteSpaces(segmentAfterBufferOrUniform).Split(' ');
string glslType = typeAndName[0];
descriptorType = Constants.GlslToDescriptorType[glslType];
name = typeAndName[1];
}
ShaderUniform shaderUniform = new ShaderUniform()
{
Name = name,
Binding = binding,
DescriptorType = descriptorType,
StageFlags = ShaderStage,
Size = size,
};
if (!sets.ContainsKey(set))
{
sets.Add(set, new ShaderUniformSet(set));
}
sets[set].ShaderUniforms.Add(shaderUniform);
}
matches = Regex.Matches(code, @"layout *\(.*\) *uniform *image2D *");
for (int i = 0; i < matches.Count; i++)
{
Match match = matches[i];
int set = 0;
string theMatch = match.ToString();
if (theMatch.Contains("set"))
{
set = int.Parse(theMatch.Substring(theMatch.IndexOf("set"), theMatch.IndexOf(",") - theMatch.IndexOf("set")).Replace("set", string.Empty).Replace("=", string.Empty).Trim());
}
int binding = int.Parse(theMatch.Substring(theMatch.IndexOf("binding"), Math.Min(theMatch.LastIndexOf(","), theMatch.IndexOf(")")) - theMatch.IndexOf("binding")).Replace("binding", string.Empty).Replace("=", string.Empty).Trim());
string bufferOrUniformSegment = Regex.Match(theMatch, @"(buffer |uniform )").ToString();
string codeSegment = SegmentParser.GetWholeCodeSegment(code, match.Index);
DescriptorType descriptorType;
string name;
string segmentAfterBufferOrUniform = codeSegment.Substring(codeSegment.IndexOf(bufferOrUniformSegment, StringComparison.InvariantCultureIgnoreCase) + bufferOrUniformSegment.Length);
if (codeSegment.Contains("{"))
{
descriptorType = Constants.GlslToCustomDescriptorTypeConverter.Convert(bufferOrUniformSegment.Trim());
int openingIndex = segmentAfterBufferOrUniform.IndexOf("{");
int closingIndex = segmentAfterBufferOrUniform.IndexOf("}");
name = Util.KillDuplicateWhiteSpaces(segmentAfterBufferOrUniform.Substring(0, openingIndex));
string pushconstantSegment = segmentAfterBufferOrUniform.Substring(openingIndex + 1, closingIndex - openingIndex - 1);
IEnumerable <string> fields = pushconstantSegment.Split(';').Select(s => s.Trim());
List <ShaderVariable> variables = ShaderVariableParser.Parse(fields);
}
else
{
string[] typeAndName = Util.KillDuplicateWhiteSpaces(segmentAfterBufferOrUniform).Split(' ');
string glslType = typeAndName[0];
descriptorType = Constants.GlslToDescriptorType[glslType];
name = typeAndName[1];
}
ShaderUniform shaderUniform = new ShaderUniform()
{
Name = name,
Binding = binding,
DescriptorType = descriptorType,
StageFlags = ShaderStage,
};
if (!sets.ContainsKey(set))
{
sets.Add(set, new ShaderUniformSet(set));
}
sets[set].ShaderUniforms.Add(shaderUniform);
}
return(sets);
}
