///// <summary>
/////
///// </summary>
///// <typeparam name="T"></typeparam>
///// <param name="blockName"></param>
///// <param name="value"></param>
///// <returns></returns>
//public bool SetUniformBlock<T>(string blockName, T value) where T : struct,IEquatable<T>
//{
// //if ((!this.Initialized) && (!this.Initializing)) { this.Initialize(); }
// bool gotUniform = false;
// bool updated = false;
// foreach (UniformVariable item in this.uniformVariables)
// {
// if (item.VarName == blockName)
// {
// var variable = item as UniformBlock<T>;
// if (variable == null)
// { throw new ArgumentException(string.Format("Wrong type[{0}] for uniform block [{1}] [{2}];", typeof(T), item.GetType().Name, item.VarName)); }
// variable.Value = value;
// updated = variable.Updated;
// gotUniform = true;
// break;
// }
// }
// if (!gotUniform)
// {
// //if (ShaderProgram == null)
// //{ throw new Exception(string.Format("{0} is not initialized!", this.GetType().Name)); }
// //int location = ShaderProgram.GetUniformLocation(varNameInShader);
// //if (location < 0)
// //{
// // throw new Exception(string.Format(
// // "niform variable [{0}] not exists! Remember to invoke RendererBase.Initialize(); before this method.", varNameInShader));
// //}
// var variable = new UniformBlock<T>(blockName);
// variable.Value = value;
// this.uniformVariables.Add(variable);
// updated = true;
// }
// return updated;
//}
/// <summary>
/// Sets up a new value to specified uniform variable and mark it as updated so that the new value will be sent to shader before rendering.
/// </summary>
/// <param name="varNameInShader"></param>
/// <param name="texture"></param>
/// <returns></returns>
public bool SetUniform(string varNameInShader, Texture texture)
{
var value = new samplerValue(
texture.Target,
texture.Id,
texture.TextureUnitIndex);
return(this.SetUniform(varNameInShader, value));
}
internal override bool SetValue(ValueType value)
{
if (value.GetType() != typeof(samplerValue))
{
throw new ArgumentException(string.Format("[{0}] not match [{1}]'s value.",
value.GetType().Name, this.GetType().Name));
}
var v = (samplerValue)value;
if (v != this.value)
{
this.value = v;
this.Updated = true;
return(true);
}
else
{
return(false);
}
}