/// <summary>
/// Test <see cref="ArrayBufferObject.ToArray()"/>.
/// </summary>
/// <param name="vertexBaseType"></param>
/// <param name="vertexLength"></param>
/// <param name="array"></param>
public void TestToArray_Core(VertexBaseType vertexBaseType, uint vertexLength, Array array)
{
using (ArrayBufferObject arrayBuffer = new ArrayBufferObject(vertexBaseType, vertexLength, BufferObjectHint.StaticCpuDraw)) {
// Create client buffer
arrayBuffer.Create(array);
// ToArray() must be equal to array
CollectionAssert.AreEqual(array, arrayBuffer.ToArray());
// Create GPU buffer
arrayBuffer.Create(_Context);
// ToArray() must be equal to array
CollectionAssert.AreEqual(array, arrayBuffer.ToArray(_Context));
// Create a reversed array from test array
Array arrayReverse = Array.CreateInstance(array.GetType().GetElementType(), array.Length);
Array.Copy(array, arrayReverse, array.Length);
Array.Reverse(arrayReverse);
CollectionAssert.AreEquivalent(array, arrayReverse);
// Update client buffer
arrayBuffer.Create(arrayReverse);
// Client buffer is updated, but not the GPU buffer
CollectionAssert.AreEqual(arrayReverse, arrayBuffer.ToArray());
}
}
/// <summary>
/// Test <see cref="ArrayBufferObject.ToArray()"/>.
/// </summary>
/// <param name="vertexBaseType"></param>
/// <param name="vertexLength"></param>
/// <param name="array"></param>
public void TestToArrayCtx_Core(VertexBaseType vertexBaseType, uint vertexLength, Array array)
{
using (ArrayBufferObject arrayBuffer = new ArrayBufferObject(vertexBaseType, vertexLength, BufferObjectHint.StaticCpuDraw)) {
// Without creation, ToArray(GraphicsContext) will throw an exception
Assert.Throws <InvalidOperationException>(delegate() { arrayBuffer.ToArray(_Context); });
// Create client buffer
arrayBuffer.Create(array);
// ToArray() must be equal to array
CollectionAssert.AreEqual(array, arrayBuffer.ToArray());
// Without creation, ToArray(GraphicsContext) will throw an exception
Assert.Throws <InvalidOperationException>(delegate() { arrayBuffer.ToArray(_Context); });
// Create GPU buffer
arrayBuffer.Create(_Context);
// ToArray() must be equal to array
CollectionAssert.AreEqual(array, arrayBuffer.ToArray(_Context));
// Create a reversed array from test array
Array arrayReverse = Array.CreateInstance(array.GetType().GetElementType(), array.Length);
Array.Copy(array, arrayReverse, array.Length);
Array.Reverse(arrayReverse);
CollectionAssert.AreEquivalent(array, arrayReverse);
// Update client buffer
arrayBuffer.Create(arrayReverse);
// Client buffer is updated, but not the GPU buffer
CollectionAssert.AreEqual(arrayReverse, arrayBuffer.ToArray());
CollectionAssert.AreNotEqual(arrayReverse, arrayBuffer.ToArray(_Context));
// Update GPU buffer
arrayBuffer.Create(_Context);
CollectionAssert.AreEqual(arrayReverse, arrayBuffer.ToArray(_Context));
}
}
