private static string getProgramInfoLog(OpenGL gl, uint programHandle)
{
int[] logLength = new int[1];
gl.GetProgram(programHandle, OpenGL.GL_INFO_LOG_LENGTH, logLength);
StringBuilder log = new StringBuilder(logLength[0]);
gl.GetProgramInfoLog(programHandle, logLength[0], IntPtr.Zero, log);
return log.ToString();
}
public static Option<string> GetLinkStatus(OpenGL gl, uint programHandle)
{
int[] status = new int[1];
gl.GetProgram(programHandle, OpenGL.GL_LINK_STATUS, status);
if (status[0] == OpenGL.GL_FALSE)
{
string log = getProgramInfoLog(gl, programHandle);
return Option<string>.Some(log);
} else
{
return Option<string>.None();
}
}
public static Option<string> Validate(OpenGL gl, uint programHandle)
{
gl.ValidateProgram(programHandle);
int[] status = new int[1];
gl.GetProgram(programHandle, OpenGL.GL_VALIDATE_STATUS, status);
if (status[0] == OpenGL.GL_FALSE)
{
string log = getProgramInfoLog(gl, programHandle);
return Option<string>.Some(log);
} else
{
return Option<string>.None();
}
}
public int[] GetProgramResult(OpenGL gl, GetProgramActions action, uint expectedLength)
{
int[] parameters = new int[expectedLength];
gl.GetProgram(ShaderProgramId, (uint)action, parameters);
return parameters;
}
