protected void ArrayBufferBase_TestArrayTechnique_NonZero(ArrayBufferBase arrayBuffer)
{
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
// Cannot create with empty CPU array
Assert.Throws(Is.InstanceOf <ArgumentException>(), delegate { arrayBuffer.Create(new byte[0]); });
// Cannot create with empty GPU array
Assert.Throws(Is.InstanceOf <ArgumentException>(), delegate { arrayBuffer.Create(_Context, new byte[0]); });
}
protected void ArrayBufferBase_TestEmptyTechnique_NonZero(ArrayBufferBase arrayBuffer)
{
Assert.IsFalse(arrayBuffer.Immutable);
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
// Cannot create an empty CPU buffer
Assert.Throws(Is.InstanceOf <ArgumentException>(), delegate { arrayBuffer.Create(0); });
// Cannot create an empty GPU buffer
Assert.Throws(Is.InstanceOf <ArgumentException>(), delegate { arrayBuffer.Create(_Context, 0); });
}
protected void ArrayBufferBase_TestArrayTechnique_CreateOffline(ArrayBufferBase arrayBuffer)
{
Assert.AreEqual(0u, arrayBuffer.Size);
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
arrayBuffer.Create(new ushort[16]);
Assert.AreEqual(0u, arrayBuffer.Size);
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
// Uploads to GPU
arrayBuffer.Create(_Context);
Assert.Equals(32u, arrayBuffer.Size);
}
protected void ArrayBufferBase_TestEmptyTechnique_CreateOffline(ArrayBufferBase arrayBuffer)
{
Assert.IsFalse(arrayBuffer.Immutable);
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
// Create empty buffer, without uploading on GPU
arrayBuffer.Create(16);
Assert.AreEqual(0u, arrayBuffer.Size);
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
// Uploads to GPU
arrayBuffer.Create(_Context);
Assert.Greater(arrayBuffer.Size, 0u);
Assert.AreEqual(16u, arrayBuffer.ItemsCount);
}
protected void ArrayBufferBase_TestArrayTechnique_CreateOnline(ArrayBufferBase arrayBuffer)
{
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
Assert.AreEqual(0u, arrayBuffer.Size);
arrayBuffer.Create(_Context, new ushort[16]);
Assert.AreEqual(32u, arrayBuffer.Size);
}
/// <summary>
/// Test ArrayBufferBase creation using <see cref="ArrayBufferBase.Create(uint)"/>.
/// </summary>
/// <param name="arrayBuffer">
/// The <see cref="ArrayBufferBase"/> instance to test. It is required to be mutable.
/// </param>
protected void TestCreateEmpty(ArrayBufferBase arrayBuffer)
{
// Buffer must be mutable
Assert.IsFalse(arrayBuffer.Immutable);
// No GPU buffer is allocated
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
// Cannot create an empty CPU buffer
Assert.Throws(Is.InstanceOf <ArgumentException>(), delegate { arrayBuffer.Create(0); });
// Create empty GPU buffer
arrayBuffer.Create(16);
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
// Current GPU buffer can be re-defined
arrayBuffer.Create(32);
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
// Uploads data on GPU
arrayBuffer.Create(_Context);
Assert.AreEqual(32u, arrayBuffer.ItemsCount);
// CPU buffer can be re-defined while holding GPU buffer
Assert.DoesNotThrow(() => arrayBuffer.Create(64));
Assert.AreEqual(32u, arrayBuffer.ItemsCount);
// Uploads data on GPU (reallocation)
arrayBuffer.Create(_Context);
Assert.AreEqual(64u, arrayBuffer.ItemsCount);
}
protected void ArrayBufferBase_TestMap(ArrayBufferBase arrayBuffer)
{
Assert.AreEqual(0u, arrayBuffer.Size);
Assert.AreEqual(0u, arrayBuffer.ItemsCount);
arrayBuffer.Create(_Context, new float[64]);
arrayBuffer.Map(_Context, BufferAccess.ReadWrite);
for (int i = 0; i < 4; i++)
{
arrayBuffer.Store(_Context, (byte)i, (ulong)i);
}
for (int i = 0; i < 4; i++)
{
Assert.AreEqual((byte)i, arrayBuffer.Load <byte>(_Context, (ulong)i));
}
// Endianess??
Assert.AreEqual(BitConverter.ToUInt32(new byte[] { 0x00, 0x01, 0x02, 0x03 }, 0), arrayBuffer.Load <uint>(_Context, 0));
arrayBuffer.Unmap(_Context);
}
