/**
* Defines a shader with a given name. If the shader type name is left
* <code>null</code>, the shader with the given name will be updated (if
* it exists).
*
* @param name a unique name given to the shader
* @param shaderType a shader plugin type
*/
public void shader(string name, string shaderType)
{
if (!isIncremental(shaderType))
{
// we are declaring a shader for the first time
if (renderObjects.has(name))
{
UI.printError(UI.Module.API, "Unable to declare shader \"{0}\", name is already in use", name);
parameterList.clear(true);
return;
}
IShader shader = PluginRegistry.shaderPlugins.createObject(shaderType);
if (shader == null)
{
UI.printError(UI.Module.API, "Unable to create shader of type \"{0}\"", shaderType);
return;
}
renderObjects.put(name, shader);
}
// update existing shader (only if it is valid)
if (lookupShader(name) != null)
{
update(name);
}
else
{
UI.printError(UI.Module.API, "Unable to update shader \"{0}\" - shader object was not found", name);
parameterList.clear(true);
}
}
/**
* Defines a shader with a given name. If the shader object is
* <code>null</code>, the shader with the given name will be updated (if
* it exists).
*
* @param name a unique name given to the shader
* @param shader a shader object
*/
public void shader(string name, IShader shader)
{
if (shader != null)
{
// we are declaring a shader for the first time
if (renderObjects.has(name))
{
UI.printError(UI.Module.API, "Unable to declare shader \"{0}\", name is already in use", name);
parameterList.clear(true);
return;
}
renderObjects.put(name, shader);
}
// update existing shader (only if it is valid)
if (lookupShader(name) != null)
{
update(name);
}
else
{
UI.printError(UI.Module.API, "Unable to update shader \"{0}\" - shader object was not found", name);
parameterList.clear(true);
}
}
