/// <summary>
/// Links a vertex shader and a fragment shader to this program.
/// </summary>
/// <param name="vShader">The VertexShader.</param>
/// <param name="fShader">The FragmentShader.</param>
public void Link(VertexShader vShader, FragmentShader fShader)
{
OpenGLInterops.AttachShader(Id, vShader.Id);
OpenGLInterops.AttachShader(Id, fShader.Id);
OpenGLInterops.BindFragDataLocation(Id, 0, "outColor");
OpenGLInterops.LinkProgram(Id);
}
/// <summary>
/// Sets an uniform.
/// </summary>
/// <param name="name">The Name.</param>
/// <param name="data">The Data.</param>
public void SetUniform(string name, params float[] data)
{
int propertyLoc = OpenGLInterops.GetUniformLocation(Id, name);
switch (data.Length)
{
case 1:
OpenGLInterops.Uniform1(propertyLoc, data[0]);
break;
case 2:
OpenGLInterops.Uniform2(propertyLoc, data[0], data[1]);
break;
case 3:
OpenGLInterops.Uniform3(propertyLoc, data[0], data[1], data[2]);
break;
case 4:
OpenGLInterops.Uniform4(propertyLoc, data[0], data[1], data[2], data[3]);
break;
default:
throw new InvalidOperationException("Invalid argument length.");
}
}
/// <summary>
/// Deletes the shader program.
/// </summary>
public void Delete()
{
try
{
OpenGLInterops.DeleteProgram(Id);
}
catch
{
LogManager.GetClassLogger().Warn("Unable to dispose.");
}
}
/// <summary>
/// Deletes the shader.
/// </summary>
public void Delete()
{
OpenGLInterops.DeleteShader(Id);
}
/// <summary>
/// Compiles the shader.
/// </summary>
/// <param name="sourceCode">The SourceCode.</param>
public void Compile(string sourceCode)
{
OpenGLInterops.ShaderSource(Id, sourceCode);
OpenGLInterops.CompileShader(Id);
}
/// <summary>
/// Initializes a new VertexShader class.
/// </summary>
public VertexShader()
{
Id = OpenGLInterops.CreateShader(OpenGLInterops.GL_VERTEX_SHADER);
}
/// <summary>
/// Initializes a new FragmentShader class.
/// </summary>
public FragmentShader()
{
Id = OpenGLInterops.CreateShader(OpenGLInterops.GL_FRAGMENT_SHADER);
}
/// <summary>
/// Sets an Uniform matrix.
/// </summary>
/// <param name="name">The Name.</param>
/// <param name="data">The Data.</param>
public void SetUniformMatrix(string name, float[] data)
{
int propertyLoc = OpenGLInterops.GetUniformLocation(Id, name);
OpenGLInterops.UniformMatrix4(propertyLoc, 1, false, data);
}
/// <summary>
/// Initializes a new ShaderProgram class.
/// </summary>
public ShaderProgram()
{
Id = OpenGLInterops.CreateProgram();
}
/// <summary>
/// Unbinds the shader program.
/// </summary>
public void Unbind()
{
OpenGLInterops.UseProgram(0);
}
/// <summary>
/// Binds the shader program.
/// </summary>
public void Bind()
{
OpenGLInterops.UseProgram(Id);
}
/// <summary>
/// Gets the attribute location.
/// </summary>
/// <param name="name">The Name.</param>
/// <returns>UInt.</returns>
public uint GetAttribLocation(string name)
{
return((uint)OpenGLInterops.GetAttribLocation(Id, name));
}
