/// <summary>
/// Specify values for matrix array uniform.
/// </summary>
/// <param name="name">The name of uniform variable in GLSL.</param>
/// <param name="matrix">The array of matrix values.</param>
public void SetUniformArray(string name, float[][] matrix)
{
int matrixSize = 0;
if (matrix.Length == 3 * 3)
{
matrixSize = 3 * 3;
}
else if (matrix.Length == 4 * 4)
{
matrixSize = 4 * 4;
}
else
{
throw new ArgumentException("Matrix data must either 3x3 (9 elements) or 4x4 (16 elements).");
}
float[] contiguous = new float[matrixSize * matrix.Length];
for (int i = 0; i < matrix.Length; ++i)
{
Array.Copy(matrix[i], 0, contiguous, matrixSize * i, matrixSize);
}
using (var binder = new UniformBinder(this, name))
{
if (binder.Location != -1)
{
GLChecker.Check(() => GL.Uniform2(binder.Location, contiguous.Length, contiguous));
}
}
}
/// <summary>
/// Specify values for array uniform.
/// </summary>
/// <param name="name">The name of the uniform variable in GLSL.</param>
/// <param name="scalarArray">The array of float values.</param>
public void SetUniformArray(string name, float[] scalarArray)
{
using (var binder = new UniformBinder(this, name))
{
if (binder.Location != -1)
{
GLChecker.Check(() => GL.Uniform1(binder.Location, scalarArray.Length, scalarArray));
}
}
}
/// <summary>
/// Specify value for four component uniform.
/// </summary>
/// <param name="name">The name of uniform variable in GLSL.</param>
/// <param name="vector">Value of the scalar.</param>
public void SetUniform(string name, Vector4 <double> vector)
{
using (var binder = new UniformBinder(this, name))
{
if (binder.Location != -1)
{
GLChecker.Check(() => GL.Uniform4(binder.Location, vector.X, vector.Y, vector.Z, vector.W));
}
}
}
/// <summary>
/// Specify value for one component uniform.
/// </summary>
/// <param name="name">The name of uniform variable in GLSL.</param>
/// <param name="x">Value of the scalar.</param>
public void SetUniform(string name, double x)
{
using (var binder = new UniformBinder(this, name))
{
if (binder.Location != -1)
{
GLChecker.Check(() => GL.Uniform1(binder.Location, x));
}
}
}
/// <summary>
/// Specify values for array uniform.
/// </summary>
/// <param name="name">The name of uniform variable in GLSL.</param>
/// <param name="vector">Value of the scalar.</param>
public void SetUniformArray(string name, Vector4 <double>[] vector)
{
using (var binder = new UniformBinder(this, name))
{
if (binder.Location != -1)
{
double[] contiguous = vector.Flatten();
GLChecker.Check(() => GL.Uniform2(binder.Location, contiguous.Length, contiguous));
}
}
}
/// <summary>
/// Specify value for matrix uniform.
/// </summary>
/// <param name="name">The name of uniform variable in GLSL.</param>
/// <param name="matrix">Value of the scalar.</param>
public void SetUniform(string name, float[] matrix)
{
using (var binder = new UniformBinder(this, name))
{
if (binder.Location != -1)
{
if (matrix.Length == 9)
{
GLChecker.Check(() => GL.UniformMatrix3(binder.Location, 1, false, matrix));
}
else if (matrix.Length == 16)
{
GLChecker.Check(() => GL.UniformMatrix4(binder.Location, 1, true, matrix));
}
else
{
throw new ArgumentException("Matrix data must either 3x3 (9 elements) or 4x4 (16 elements).");
}
}
}
}
