/// <summary>
/// Set effect parameter
/// </summary>
/// <param name="name">Name of the uniform variable</param>
/// <param name="value">Value of the uniform variable</param>
public void SetEffectParam(string name, object value)
{
if (ParamDecl != null)
{
if (ParamDecl.ContainsKey(name))
{
if (ParamDecl[name] != null)
{
if (ParamDecl[name].Equals(value))
{
return;
}
}
ParamDecl[name] = value;
EffectEventArgs.Changed = ShaderEffectChangedEnum.UniformUpdated;
EffectEventArgs.ChangedEffectVarName = name;
EffectEventArgs.ChangedEffectVarValue = value;
ShaderEffectChanged?.Invoke(this, EffectEventArgs);
}
else
{
Diagnostics.Warn("Trying to set unknown parameter! Ignoring change....");
}
}
}
/// <summary>
/// Returns the value of a given shader effect variable
/// <remarks>THIS IS NOT THE ACTUAL UNIFORM VALUE</remarks>
/// </summary>
/// <param name="name">Name of the uniform variable</param>
/// /// <param name="obj">The value. Return null if no parameter was found.</param>
/// <returns></returns>
public void GetEffectParam(string name, out object obj)
{
obj = null;
if (ParamDecl.TryGetValue(name, out object pa))
{
obj = pa;
}
}
/// <summary>
/// Returns the value of a given shader effect variable
/// <remarks>THIS IS NOT THE ACTUAL UNIFORM VALUE</remarks>
/// </summary>
/// <param name="name">Name of the uniform variable</param>
/// <returns></returns>
public object GetEffectParam(string name)
{
object pa;
if (ParamDecl.TryGetValue(name, out pa))
{
return(pa);
}
return(null);
}
static string Example4()
{
StmtList sl1 = new StmtList();
Sub foo = new Sub("foo", sl1);
Pirate p = new Pirate();
p.Add(foo);
ParamDecl pd1 = new ParamDecl();
pd1.type = new IntType();
IdList idl1 = new IdList();
NamedReg n = new NamedReg();
n.name = "n";
idl1.Add(n);
pd1.id_list = idl1;
sl1.Add(pd1);
ParamDecl pd2 = new ParamDecl();
pd2.type = new StringType();
IdList idl2 = new IdList();
NamedReg message = new NamedReg();
message.name = "message";
idl2.Add(message);
pd2.id_list = idl2;
sl1.Add(pd2);
StringWriter sw = new StringWriter();
PirateWriter pv = new PirateWriter(sw);
DynamicVisitor.accept(p, pv);
return sw.ToString();
}
static string Example6()
{
AtomExprList ael1 = new AtomExprList();
Call c1 = new Call("foo", ael1);
CallStmt cs1 = new CallStmt(c1);
NumLiteral n1 = new NumLiteral(3.14);
TmpNumReg tnr0 = new TmpNumReg(0);
Assign a1 = new Assign(tnr0, n1);
TmpIntReg tir0 = new TmpIntReg(0);
IntLiteral i1 = new IntLiteral(42);
StringLiteral s1 = new StringLiteral("hi");
AtomExprList ael2 = new AtomExprList();
ael2.Add(tir0);
ael2.Add(i1);
ael2.Add(s1);
Call c2 = new Call("bar", ael2);
CallStmt cs2 = new CallStmt(c2);
NamedReg a = new NamedReg("a");
LocalDecl ld1 = new LocalDecl(new IntType(), a);
NamedReg b = new NamedReg("b");
LocalDecl ld2 = new LocalDecl(new NumType(), b);
NamedReg c = new NamedReg("c");
LocalDecl ld3 = new LocalDecl(new StringType(), c);
TmpNumReg tnr2 = new TmpNumReg(2);
NumLiteral n2 = new NumLiteral(2.7);
Assign a2 = new Assign(tnr2, n2);
StringLiteral s2 = new StringLiteral("hello yourself");
AtomExprList ael3 = new AtomExprList();
ael3.Add(tnr2);
ael3.Add(s2);
Call c3 = new Call("baz", ael3);
RegList rl4 = new RegList();
rl4.Add(a);
rl4.Add(b);
rl4.Add(c);
Assign a3 = new Assign(rl4, c3);
StmtList sl1 = new StmtList();
sl1.Add(cs1);
sl1.Add(a1);
sl1.Add(cs2);
sl1.Add(ld1);
sl1.Add(ld2);
sl1.Add(ld3);
sl1.Add(a2);
sl1.Add(a3);
Sub main = new Sub("main", sl1);
StringLiteral s3 = new StringLiteral("Foo!\n");
Call c4 = new Call("print", s3);
CallStmt cs3 = new CallStmt(c4);
StmtList sl2 = new StmtList();
sl2.Add(cs3);
Sub foo = new Sub("foo", sl2);
NamedReg i = new NamedReg("i");
ParamDecl pd1 = new ParamDecl(new NumType(), i);
NamedReg answer = new NamedReg("answer");
ParamDecl pd2 = new ParamDecl(new IntType(), answer);
NamedReg message = new NamedReg("message");
ParamDecl pd3 = new ParamDecl(new StringType(), message);
StringLiteral s4 = new StringLiteral("Bar!\n");
Call print1 = new Call("print", s4);
CallStmt cs4 = new CallStmt(print1);
Call print2 = new Call("print", i);
CallStmt cs5 = new CallStmt(print2);
StringLiteral s5 = new StringLiteral("\n");
Call print3 = new Call("print", s5);
CallStmt cs6 = new CallStmt(print3);
Call print4 = new Call("print", answer);
CallStmt cs7 = new CallStmt(print4);
CallStmt cs8 = new CallStmt(print3);
Call print5 = new Call("print", message);
CallStmt cs9 = new CallStmt(print5);
StmtList sl3 = new StmtList();
sl3.Add(pd1);
sl3.Add(pd2);
sl3.Add(pd3);
sl3.Add(cs4);
sl3.Add(cs5);
sl3.Add(cs6);
sl3.Add(cs7);
sl3.Add(cs8);
sl3.Add(cs9);
Sub bar = new Sub("bar", sl3);
NamedReg e = new NamedReg("e");
ParamDecl pd4 = new ParamDecl(new NumType(), e);
NamedReg msg = new NamedReg("msg");
ParamDecl pd5 = new ParamDecl(new StringType(), msg);
StringLiteral s6 = new StringLiteral("Baz!\n");
Call print7 = new Call("print", s6);
CallStmt cs10 = new CallStmt(print7);
Call print8 = new Call("print", e);
CallStmt cs11 = new CallStmt(print8);
Call print9 = new Call("print", s5);
CallStmt cs12 = new CallStmt(print9);
Call print10 = new Call("print", msg);
CallStmt cs13 = new CallStmt(print10);
AtomExprList ael4 = new AtomExprList();
ael4.Add(new IntLiteral(1000));
ael4.Add(new NumLiteral(1.23));
ael4.Add(new StringLiteral("hi from baz"));
ReturnStmt rs1 = new ReturnStmt(ael4);
StmtList sl4 = new StmtList();
sl4.Add(pd4);
sl4.Add(pd5);
sl4.Add(cs10);
sl4.Add(cs11);
sl4.Add(cs12);
sl4.Add(cs13);
sl4.Add(rs1);
Sub baz = new Sub("baz", sl4);
Pirate p = new Pirate();
p.Add(main);
p.Add(foo);
p.Add(bar);
p.Add(baz);
StringWriter sw = new StringWriter();
PirateWriter pv = new PirateWriter(sw);
DynamicVisitor.accept(p, pv);
return sw.ToString();
}
