private void ParseTechnique(UnifiedShaderInfo info, List <UnifiedShaderToken> tokens)
{
var name = ConsumeToken(tokens);
ExpectToken(name, UnifiedShaderTokenType.StringToken);
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.OpenBrace);
var technique = new TechniqueInfo
{
Name = name.Text,
Passes = new List <PassInfo>()
};
while (tokens[0].TokenType == UnifiedShaderTokenType.StringToken &&
tokens[0].Text == "pass")
{
var pass = new PassInfo();
ExpectToken(ConsumeToken(tokens), "pass");
var passName = ConsumeToken(tokens);
ExpectToken(passName, UnifiedShaderTokenType.StringToken);
pass.Name = passName.Text;
ParsePass(pass, tokens);
technique.Passes.Add(pass);
}
info.Techniques.Add(technique);
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.CloseBrace);
}
private void ParseTechnique(UnifiedShaderInfo info, List<UnifiedShaderToken> tokens)
{
var name = ConsumeToken(tokens);
ExpectToken(name, UnifiedShaderTokenType.StringToken);
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.OpenBrace);
var technique = new TechniqueInfo
{
Name = name.Text,
Passes = new List<PassInfo>()
};
while (tokens[0].TokenType == UnifiedShaderTokenType.StringToken &&
tokens[0].Text == "pass")
{
var pass = new PassInfo();
ExpectToken(ConsumeToken(tokens), "pass");
var passName = ConsumeToken(tokens);
ExpectToken(passName, UnifiedShaderTokenType.StringToken);
pass.Name = passName.Text;
ParsePass(pass, tokens);
technique.Passes.Add(pass);
}
info.Techniques.Add(technique);
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.CloseBrace);
}
private void ParsePass(PassInfo pass, List <UnifiedShaderToken> tokens)
{
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.OpenBrace);
while (tokens[0].TokenType == UnifiedShaderTokenType.StringToken)
{
var type = ConsumeToken(tokens);
ExpectToken(type, UnifiedShaderTokenType.StringToken);
switch (type.Text)
{
case "pixel":
case "vertex":
case "geometry":
case "domain":
case "hull":
var name = ConsumeToken(tokens);
ExpectToken(name, UnifiedShaderTokenType.StringToken);
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.Semicolon);
switch (type.Text)
{
case "pixel":
pass.PixelShaderName = name.Text;
break;
case "vertex":
pass.VertexShaderName = name.Text;
break;
case "geometry":
pass.GeometryShaderName = name.Text;
break;
case "domain":
pass.DomainShaderName = name.Text;
break;
case "hull":
pass.HullShaderName = name.Text;
break;
}
break;
case "compute":
// TODO: This implementation is not complete.
break;
case "blend":
case "depth":
case "raster":
// TODO: This implementation is not complete.
break;
}
}
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.CloseBrace);
}
private void ParsePass(PassInfo pass, List<UnifiedShaderToken> tokens)
{
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.OpenBrace);
while (tokens[0].TokenType == UnifiedShaderTokenType.StringToken)
{
var type = ConsumeToken(tokens);
ExpectToken(type, UnifiedShaderTokenType.StringToken);
switch (type.Text)
{
case "pixel":
case "vertex":
case "geometry":
case "domain":
case "hull":
var name = ConsumeToken(tokens);
ExpectToken(name, UnifiedShaderTokenType.StringToken);
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.Semicolon);
switch (type.Text)
{
case "pixel":
pass.PixelShaderName = name.Text;
break;
case "vertex":
pass.VertexShaderName = name.Text;
break;
case "geometry":
pass.GeometryShaderName = name.Text;
break;
case "domain":
pass.DomainShaderName = name.Text;
break;
case "hull":
pass.HullShaderName = name.Text;
break;
}
break;
case "compute":
// TODO: This implementation is not complete.
break;
case "blend":
case "depth":
case "raster":
// TODO: This implementation is not complete.
break;
}
}
ExpectToken(ConsumeToken(tokens), UnifiedShaderTokenType.CloseBrace);
}
