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 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());
}