public void ParseConstantBuffer(String constantBufferString, int register, bool isGlobal)
{
m_IsGlobal = isGlobal;
m_MemberConstants.Clear();
m_Register = register;
char[] separator = { '\n' };
string[] lines = constantBufferString.Split(separator);
CultureInfo ci = new CultureInfo("en-US", false);
string types = "";
foreach (string type in ConstantTypeStrings)
{
types += types.Length == 0 ? type : "|" + type;
}
Regex variableRegex = new Regex(@"[ \t]*(" + types + @")[ \t]+(\w+);", RegexOptions.IgnoreCase);
Regex paramRegex = new Regex(@"//[ \t]*Param(,[ \t]*\w+:?[ \t]*[\d\.\-]*)+", RegexOptions.IgnoreCase);
Regex scriptedRegex = new Regex(@"//[ \t]*Scripted", RegexOptions.IgnoreCase);
Regex paramOptionsRegex = new Regex(@",[ \t]*(\w+):?([ \t]*[\d\.\-]*)", RegexOptions.IgnoreCase);
// Example
/* // Param, Default: 1.0, Range:0.0-3.0, Linear */
int offset = 0;
for (int it = 0; it < lines.Length; ++it)
{
string line = lines[it];
Match m = variableRegex.Match(line);
if (m.Success)
{
string variableType = m.Groups[1].Value;
string variableName = m.Groups[2].Value;
ConstantType type = FindType(variableType);
int byteSize = GetByteSizeOfType(type);
// padding to next float4
int padding = Math.Min(byteSize, 16);
if (offset % padding != 0)
{
offset += padding - offset % padding;
}
ConstantBufferPropertyField addedProperty = new ConstantBufferPropertyField(variableName, type, offset);
Match paramMatch = paramRegex.Match(line);
if (paramMatch.Success)
{
addedProperty.isParam = true;
MatchCollection paramOptionsMatch = paramOptionsRegex.Matches(line);
foreach (Match optionsMatch in paramOptionsMatch)
{
string optionName = optionsMatch.Groups[1].Value.ToLower();
string optionValue = optionsMatch.Groups[2].Value;
switch (optionName)
{
case "default":
{
if (addedProperty.type != ConstantType.ConstantType_Float)
{
throw new Exception("Unsupported type yet");
}
float value = Single.Parse(optionValue, ci.NumberFormat);
addedProperty.paramValue = value;
}
break;
case "gamma":
{
if (addedProperty.type != ConstantType.ConstantType_Float)
{
throw new Exception("Unsupported type yet");
}
addedProperty.isGamma = true;
}
break;
case "range":
{
if (addedProperty.type != ConstantType.ConstantType_Float)
{
throw new Exception("Unsupported type yet");
}
char[] rangeSeparator = { '-' };
string[] splitStrings = optionValue.Split(rangeSeparator);
float minValue = Single.Parse(splitStrings[0], ci.NumberFormat);
float maxValue = Single.Parse(splitStrings[1], ci.NumberFormat);
addedProperty.paramRangeMin = minValue;
addedProperty.paramRangeMax = maxValue;
}
break;
}
}
if (addedProperty.isGamma)
{
float paramValueToTransform = ((float)addedProperty.paramValue - addedProperty.paramRangeMin) / (addedProperty.paramRangeMax - addedProperty.paramRangeMin);
paramValueToTransform = (float)Math.Pow((double)paramValueToTransform, 1.0 / 2.2);
addedProperty.paramValue = paramValueToTransform * (addedProperty.paramRangeMax - addedProperty.paramRangeMin) + addedProperty.paramRangeMin;
}
}
Match scriptedMatch = scriptedRegex.Match(line);
if (scriptedMatch.Success)
{
addedProperty.isScripted = true;
}
m_MemberConstants.Add(variableName, addedProperty);
offset += byteSize;
}
if (line.Contains("BEGINSCRIPT"))
{
string script = "";
bool finish = false;
do
{
++it;
line = lines[it];
finish = line.Contains("ENDSCRIPT");
if (!finish)
{
script += line + "\n";
}
} while (!finish);
m_Script = script;
}
}
// Final padding for whole buffer, after packing everything
if (offset % 16 != 0)
{
offset += 16 - offset % 16;
}
m_Size = offset;
}
public void ParseConstantBuffer(String constantBufferString, int register, bool isGlobal)
{
m_IsGlobal = isGlobal;
m_MemberConstants.Clear();
m_Register = register;
char[] separator = { '\n' };
string[] lines = constantBufferString.Split(separator);
CultureInfo ci = new CultureInfo("en-US", false);
string types = "";
foreach (string type in ConstantTypeStrings)
{
types += types.Length == 0 ? type : "|" + type;
}
Regex variableRegex = new Regex(@"[ \t]*(" + types + @")[ \t]+(\w+);", RegexOptions.IgnoreCase);
Regex paramRegex = new Regex(@"//[ \t]*Param(,[ \t]*\w+:?[ \t]*[\d\.\-]*)+", RegexOptions.IgnoreCase);
Regex scriptedRegex = new Regex(@"//[ \t]*Scripted", RegexOptions.IgnoreCase);
Regex paramOptionsRegex = new Regex(@",[ \t]*(\w+):?([ \t]*[\d\.\-]*)", RegexOptions.IgnoreCase);
// Example
/* // Param, Default: 1.0, Range:0.0-3.0, Linear */
int offset = 0;
for (int it = 0; it < lines.Length; ++it)
{
string line = lines[it];
Match m = variableRegex.Match(line);
if (m.Success)
{
string variableType = m.Groups[1].Value;
string variableName = m.Groups[2].Value;
ConstantType type = FindType(variableType);
int byteSize = GetByteSizeOfType(type);
// padding to next float4
int padding = Math.Min(byteSize, 16);
if (offset % padding != 0)
{
offset += padding - offset % padding;
}
ConstantBufferPropertyField addedProperty = new ConstantBufferPropertyField(variableName, type, offset);
Match paramMatch = paramRegex.Match(line);
if (paramMatch.Success)
{
addedProperty.isParam = true;
MatchCollection paramOptionsMatch = paramOptionsRegex.Matches(line);
foreach (Match optionsMatch in paramOptionsMatch)
{
string optionName = optionsMatch.Groups[1].Value.ToLower();
string optionValue = optionsMatch.Groups[2].Value;
switch (optionName)
{
case "default":
{
if (addedProperty.type != ConstantType.ConstantType_Float)
{
throw new Exception("Unsupported type yet");
}
float value = Single.Parse(optionValue, ci.NumberFormat);
addedProperty.paramValue = value;
}
break;
case "gamma":
{
if (addedProperty.type != ConstantType.ConstantType_Float)
{
throw new Exception("Unsupported type yet");
}
addedProperty.isGamma = true;
}
break;
case "range":
{
if (addedProperty.type != ConstantType.ConstantType_Float)
{
throw new Exception("Unsupported type yet");
}
char[] rangeSeparator = { '-' };
string[] splitStrings = optionValue.Split(rangeSeparator);
float minValue = Single.Parse(splitStrings[0], ci.NumberFormat);
float maxValue = Single.Parse(splitStrings[1], ci.NumberFormat);
addedProperty.paramRangeMin = minValue;
addedProperty.paramRangeMax = maxValue;
}
break;
}
}
if (addedProperty.isGamma)
{
float paramValueToTransform = ((float)addedProperty.paramValue - addedProperty.paramRangeMin) / (addedProperty.paramRangeMax - addedProperty.paramRangeMin);
paramValueToTransform = (float)Math.Pow((double)paramValueToTransform, 1.0 / 2.2);
addedProperty.paramValue = paramValueToTransform * (addedProperty.paramRangeMax - addedProperty.paramRangeMin) + addedProperty.paramRangeMin;
}
}
Match scriptedMatch = scriptedRegex.Match(line);
if (scriptedMatch.Success)
{
addedProperty.isScripted = true;
}
m_MemberConstants.Add(variableName, addedProperty);
offset += byteSize;
}
if (line.Contains("BEGINSCRIPT"))
{
string script = "";
bool finish = false;
do
{
++it;
line = lines[it];
finish = line.Contains("ENDSCRIPT");
if (!finish)
{
script += line + "\n";
}
} while (!finish);
m_Script = script;
}
}
// Final padding for whole buffer, after packing everything
if (offset % 16 != 0)
{
offset += 16 - offset % 16;
}
m_Size = offset;
}
