public Uniforms(GLProgram program)
{
foreach (var field in GetType().GetUniforms())
{
field.SetValue(this, Activator.CreateInstance(field.FieldType, program, field));
}
}
private static int GetUniformLocation(GLProgram program, string name)
{
var loc = GL.GetUniformLocation(program._glProgram, name);
if (loc < 0)
{
Trace.TraceWarning(string.Format("Creating uniform '{0}' which is not found in program. " +
" Probably optimized away by OpenGL.", name));
}
return(loc);
}
private void CreateUniform(GLProgram program, string name, Type type)
{
if (type.IsGLStruct())
{
_mappings = (from field in type.GetGLStructFields(name + ".")
select Tuple.Create(field, GetUniformLocation(program, field.Name)))
.ToArray();
}
else
{
_glUniform = GetUniformLocation(program, name);
}
_name = name;
}
public Uniform(GLProgram program, FieldInfo field)
{
if (field.FieldType.GetGenericTypeDefinition() != typeof(Uniform <>))
{
throw new ArgumentException("Field must be of Uniform<> generic type.");
}
var type = field.FieldType.GetGenericArguments() [0];
if (type != typeof(T))
{
throw new ArgumentException("Field type is different from uniform type.");
}
if (type.IsArray)
{
_mappings = (from elem in type.GetGLArrayElements(field.Name, field.ExpectFixedArrayAttribute().Length)
select Tuple.Create(elem, GetUniformLocation(program, elem.Name)))
.ToArray();
}
else
{
CreateUniform(program, field.Name, type);
}
}
public Uniform(GLProgram program, string name)
{
CreateUniform(program, name, typeof(T));
}