public static Func <T1, T2, T3, T4, TRes> Function <T1, T2, T3, T4, TRes> (
Expression <Func <Func <T1, T2, T3, T4, TRes> > > member,
Expression <Func <T1, T2, T3, T4, TRes> > func)
{
GlslParser.CreateFunction((member.Body as MemberExpression).Member, func);
return(func.Compile());
}
public static Macro <T1, T2, T3, T4, T5, T6, TRes> Macro <T1, T2, T3, T4, T5, T6, TRes> (
Expression <Func <Macro <T1, T2, T3, T4, T5, T6, TRes> > > member,
Expression <Macro <T1, T2, T3, T4, T5, T6, TRes> > macro)
{
GlslParser.CreateMacro((member.Body as MemberExpression).Member, macro);
return(macro.Compile());
}
public static string CreateShader <T> (string version, Expression <Func <Shader <T> > > shader)
{
var parser = new GlslParser();
parser.DeclareVaryings(typeof(T), GlslAst.VaryingKind.Out);
parser.ParseShader(shader);
return(parser.BuildShaderCode());
}
public static GLShader Create <T> (ShaderType type, Expression <Func <Shader <T> > > func)
{
var source = GlslParser.CreateShader(func);
Console.WriteLine(source);
Console.WriteLine("--------------------------------------------------------------------------------");
return(new GLShader(type, source));
}
/// <summary>
/// Shader creation for geometry and tesselation shaders. They return multiple results
/// instead of one.
/// </summary>
public static GLShader CreateGeometryShader <V> (int vertexCount, int invocations,
PrimitiveType inputPrimitive, PrimitiveType outputPrimitive, Expression <Func <Shader <V[]> > > func)
where V : PerVertexOut, new ()
{
var source = GlslParser.CreateGeometryShader(vertexCount, invocations, inputPrimitive,
outputPrimitive, func);
Console.WriteLine(source);
return(new GLShader(ShaderType.GeometryShader, source));
}
public static string CreateGeometryShader <T> (string version, int vertexCount,
int invocations, PrimitiveType inputPrimitive, PrimitiveType outputPrimitive,
Expression <Func <Shader <T[]> > > shader)
{
var parser = new GlslParser();
if (invocations > 0)
{
parser.DeclOut("layout (invocations = {0}) in;", invocations);
}
parser.DeclOut("layout ({0}) in;", inputPrimitive.MapInputGSPrimitive());
parser.DeclOut("layout ({0}, max_vertices = {1}) out;",
outputPrimitive.MapOutputGSPrimitive(), vertexCount);
parser.DeclareVaryings(typeof(T), GlslAst.VaryingKind.Out);
parser.ParseGeometryShader(shader);
return(parser.BuildShaderCode());
}
