/// <summary>
/// Initializes a new <see cref="ProgramAttribute"/>.
/// </summary>
/// <param name="program">The <see cref="ShaderProgram"/> the <see cref="ProgramAttribute"/> belongs to.</param>
/// <param name="index">The uniform index as per GL.GetProgramInterface.</param>
public ProgramAttribute(ShaderProgram program, int index)
{
Contract.Requires<ArgumentNullException>(program != null);
Contract.Requires<ArgumentOutOfRangeException>(index >= 0);
this.Program = program;
ActiveAttribType aat;
int size;
base.Name = GL.GetActiveAttrib(program, index, out size, out aat);
this.Location = GL.GetAttribLocation(program, this.Name);
this.Type = aat;
}
/// <summary>
/// Initializes a new <see cref="ProgramUniform"/>.
/// </summary>
/// <param name="program">The <see cref="ShaderProgram"/> the <see cref="ProgramUniform"/> belongs to.</param>
/// <param name="index">The uniform index as per GL.GetProgramInterface.</param>
public ProgramUniform(ShaderProgram program, int index)
{
Contract.Requires<ArgumentNullException>(program != null);
Contract.Requires<ArgumentOutOfRangeException>(index >= 0);
this.Program = program;
int size;
ActiveUniformType uniformType;
base.Name = GL.GetActiveUniform(this.Program, index, out size, out uniformType);
this.Location = GL.GetUniformLocation(program, this.Name);
this.Type = uniformType; // Set indirectly to fire event
}
public EffectPass(ShaderProgram program, bool ownsProgram)
{
Contract.Requires<ArgumentNullException>(program != null);
this.ownsProgram = ownsProgram;
this.ShaderProgram = program;
this.Uniforms = this.ShaderProgram.Uniforms.Select((Func<KeyValuePair<string, ProgramUniform>, EffectUniform>)(kvp =>
{
if (kvp.Value.Type.IsSampler())
{
return new SamplerEffectUniform(this, kvp.Value, 0);
}
else if (kvp.Value.Type.IsPrimitiveValue() || kvp.Value.Type.IsVector() || kvp.Value.Type.IsMatrix())
{
return new DataEffectUniform(this, kvp.Value);
}
else
{
throw new NotSupportedException("Unknown uniform type {0}!".FormatWith(kvp.Value.Type));
}
})).ToImmutableDictionary(eu => eu.Name);
}
public EffectPass(ShaderProgram program)
: this(program, false)
{
Contract.Requires<ArgumentNullException>(program != null);
}
/// <summary>
/// Detaches the <see cref="Shader"/> from the specified <see cref="ShaderProgram"/>.
/// </summary>
/// <remarks>Triggers initialization.</remarks>
/// <param name="program">The <see cref="ShaderProgram"/> to detach from.</param>
public void DetachFrom(ShaderProgram program)
{
Contract.Requires<ArgumentNullException>(program != null);
this.VerifyAccess();
GL.DetachShader(program, this);
}
