/// <summary>
/// Check the attachment state of a ShaderObject on this ShaderProgram.
/// </summary>
/// <param name="shaderObject"></param>
/// <returns>
/// It returns a boolean value indicating the attachment state of <paramref name="shaderObject"/>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="shaderObject"/> is null.
/// </exception>
public bool IsAttachedShader(ShaderObject shaderObject)
{
if (shaderObject == null)
{
throw new ArgumentNullException("shaderObject");
}
return(_ProgramObjects.Contains(shaderObject));
}
/// <summary>
/// Detach an attached ShaderObject from this ShaderProgram.
/// </summary>
/// <param name="shaderObject">
/// A <see cref="ShaderObject"/> to be detached to this ShaderProgram.
/// </param>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="shaderObject"/> is null.
/// </exception>
public void DetachShader(ShaderObject shaderObject)
{
if (shaderObject == null)
{
throw new ArgumentNullException("shaderObject");
}
// Remove shader
_ProgramObjects.Remove(shaderObject);
}
/// <summary>
/// Attach a ShaderObject to this ShaderProgram.
/// </summary>
/// <param name="shaderObject">
/// A <see cref="ShaderObject"/> to be attached to this ShaderProgram.
/// </param>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="shaderObject"/> is null.
/// </exception>
public void AttachShader(ShaderObject shaderObject)
{
if (shaderObject == null)
{
throw new ArgumentNullException("sObject");
}
// Link object
_ProgramObjects.Add(shaderObject);
// Force relink
_Linked = false;
}
/// <summary>
/// Create a program from this Program.
/// </summary>
/// <returns></returns>
public ShaderProgram Create()
{
if (String.IsNullOrEmpty(Id))
{
throw new InvalidOperationException("invalid program identifier");
}
ShaderProgram shaderProgram = new ShaderProgram(Id);
ShaderCompilerContext shaderCompilerParams = new ShaderCompilerContext();
// Attach required objects
foreach (Object shaderProgramObject in Objects)
{
ShaderObject shaderObject = new ShaderObject(shaderProgramObject.Stage);
// Load source
shaderObject.LoadSource(shaderProgramObject.Path);
// Attach object
shaderProgram.AttachShader(shaderObject);
// Take into account required preprocessor symbols
foreach (string preprocessorSymbol in shaderProgramObject.Symbols)
{
shaderCompilerParams.Defines.Add(preprocessorSymbol);
}
}
// Set compiler parameters
shaderProgram.CompilationParams = shaderCompilerParams;
// Register attributes semantic
foreach (Attribute attribute in Attributes)
{
shaderProgram.SetAttributeSemantic(attribute.Name, attribute.Semantic);
}
return(shaderProgram);
}
/// <summary>
/// Create a program from this Program.
/// </summary>
/// <returns></returns>
public ShaderProgram Create()
{
if (String.IsNullOrEmpty(Id))
throw new InvalidOperationException("invalid program identifier");
ShaderProgram shaderProgram = new ShaderProgram(Id);
ShaderCompilerContext shaderCompilerParams = new ShaderCompilerContext();
// Attach required objects
foreach (Object shaderProgramObject in Objects) {
ShaderObject shaderObject = new ShaderObject(shaderProgramObject.Stage);
// Load source
shaderObject.LoadSource(shaderProgramObject.Path);
// Attach object
shaderProgram.AttachShader(shaderObject);
// Take into account required preprocessor symbols
foreach (string preprocessorSymbol in shaderProgramObject.Symbols)
shaderCompilerParams.Defines.Add(preprocessorSymbol);
}
// Set compiler parameters
shaderProgram.CompilationParams = shaderCompilerParams;
// Register attributes semantic
foreach (Attribute attribute in Attributes)
shaderProgram.SetAttributeSemantic(attribute.Name, attribute.Semantic);
return (shaderProgram);
}
/// <summary>
/// Load the shader source from an embedded resource
/// </summary>
/// <param name="resourcePath">
/// A <see cref="String"/> that specify the embedded resource path.
/// </param>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="resourcePath"/> is null.
/// </exception>
/// <exception cref="ArgumentException">
/// Exception thrown if no embedded resource can be found.
/// </exception>
public void LoadSource(string resourcePath)
{
_SourceStrings = ShaderObject.LoadSourceLines(resourcePath);
}
/// <summary>
/// Load the shader source from a stream.
/// </summary>
/// <param name="sourceStream">
/// A <see cref="Stream"/>that holds the source lines.
/// </param>
/// <exception cref="ArgumentNullException">
/// Exception thrown in the case <paramref name="sourceStream"/> is null.
/// </exception>
public void LoadSource(Stream sourceStream)
{
_SourceStrings = ShaderObject.LoadSourceLines(sourceStream);
}
/// <summary>
/// Check the attachment state of a ShaderObject on this ShaderProgram.
/// </summary>
/// <param name="shaderObject"></param>
/// <returns>
/// It returns a boolean value indicating the attachment state of <paramref name="shaderObject"/>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="shaderObject"/> is null.
/// </exception>
public bool IsAttachedShader(ShaderObject shaderObject)
{
if (shaderObject == null)
throw new ArgumentNullException("shaderObject");
return (_ProgramObjects.Contains(shaderObject));
}
/// <summary>
/// Detach an attached ShaderObject from this ShaderProgram.
/// </summary>
/// <param name="shaderObject">
/// A <see cref="ShaderObject"/> to be detached to this ShaderProgram.
/// </param>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="shaderObject"/> is null.
/// </exception>
public void DetachShader(ShaderObject shaderObject)
{
if (shaderObject == null)
throw new ArgumentNullException("shaderObject");
// Remove shader
_ProgramObjects.Remove(shaderObject);
}
/// <summary>
/// Attach a ShaderObject to this ShaderProgram.
/// </summary>
/// <param name="shaderObject">
/// A <see cref="ShaderObject"/> to be attached to this ShaderProgram.
/// </param>
/// <exception cref="ArgumentNullException">
/// Exception thrown if <paramref name="shaderObject"/> is null.
/// </exception>
public void AttachShader(ShaderObject shaderObject)
{
if (shaderObject == null)
throw new ArgumentNullException("sObject");
// Link object
_ProgramObjects.Add(shaderObject);
// Force relink
_Linked = false;
}
