protected virtual object EvalPixelShader_Pass_Expression(ParseTree tree, params object[] paramlist)
{
PassInfo pass = paramlist[0] as PassInfo;
pass.psModel = this.GetValue(tree, TokenType.ShaderModel, 0) as string;
pass.psFunction = this.GetValue(tree, TokenType.Identifier, 0) as string;
return(null);
}
protected virtual object EvalPass_Declaration(ParseTree tree, params object[] paramlist)
{
PassInfo pass = new PassInfo();
pass.name = this.GetValue(tree, TokenType.Identifier, 0) as string ?? string.Empty;
foreach (ParseNode node in Nodes)
{
node.Eval(tree, pass);
}
return(pass);
}
protected virtual object EvalPass_Declaration(ParseTree tree, params object[] paramlist)
{
var pass = new PassInfo();
pass.name = this.GetValue(tree, TokenType.Identifier, 0) as string ?? string.Empty;
foreach (var node in Nodes)
{
node.Eval(tree, pass);
}
// We need to have a pixel or vertex shader to keep this pass.
if (!string.IsNullOrEmpty(pass.psFunction) || !string.IsNullOrEmpty(pass.vsFunction))
{
var technique = paramlist[0] as TechniqueInfo;
technique.Passes.Add(pass);
}
return(null);
}
internal override void ValidateShaderModels(PassInfo pass)
{
int major, minor;
if (!string.IsNullOrEmpty(pass.vsFunction))
{
ParseShaderModel(pass.vsModel, GlslVertexShaderRegex, out major, out minor);
if (major > 3)
{
throw new Exception(String.Format("Invalid profile '{0}'. Vertex shader '{1}' must be SM 3.0 or lower!", pass.vsModel, pass.vsFunction));
}
}
if (!string.IsNullOrEmpty(pass.psFunction))
{
ParseShaderModel(pass.psModel, GlslPixelShaderRegex, out major, out minor);
if (major > 3)
{
throw new Exception(String.Format("Invalid profile '{0}'. Pixel shader '{1}' must be SM 3.0 or lower!", pass.vsModel, pass.psFunction));
}
}
}
internal abstract void ValidateShaderModels(PassInfo pass);
