public void TestEvents()
{
checkSetup();
CommandQueue queue = CommandQueue.Create(context, device, CommandQueueFlags.ProfilingEnable);
Buffer buffer = Buffer.Create(context, MemFlags.ReadWrite, (IntPtr)16);
Float4 vec = new Float4();
vec.X = 1.0f; vec.Y = 2.0f; vec.Z = 3.0f; vec.W = 4.0f;
IntPtr vecBuff = Marshal.AllocHGlobal(16);
try{
Marshal.StructureToPtr(vec, vecBuff, false);
unsafe {
Event writeEvent;
buffer.EnqueueWriteRaw(queue, (IntPtr)0, (IntPtr)16, vecBuff, out writeEvent);
Assert.True(writeEvent.Handle != IntPtr.Zero, "writeEvent handle was null.");
writeEvent.Wait();
Assert.AreEqual(CommandType.WriteBuffer, writeEvent.CommandType);
Assert.AreEqual(CommandExecutionStatus.Complete, writeEvent.ExecutionStatus);
Trace.WriteLine("writeEvent.ReferenceCount: " + writeEvent.ReferenceCount.ToString(), "notice");
}
}
finally{
Marshal.FreeHGlobal(vecBuff);
buffer.Dispose();
queue.Dispose();
}
}
public void TestBufferReadWriteRaw()
{
checkSetup();
CommandQueue queue = CommandQueue.Create(context, device, CommandQueueFlags.ProfilingEnable);
Buffer buffer = Buffer.Create(context, MemFlags.ReadWrite, (IntPtr)16);
Float4 vec = new Float4();
vec.X = 1.0f; vec.Y = 2.0f; vec.Z = 3.0f; vec.W = 4.0f;
IntPtr vecBuff = Marshal.AllocHGlobal(16);
try{
Marshal.StructureToPtr(vec, vecBuff, false);
unsafe {
Event writeEvent;
buffer.EnqueueWriteRaw(queue, (IntPtr)0, (IntPtr)16, vecBuff, out writeEvent);
writeEvent.Wait();
float v0, v1, v2, v3;
buffer.ReadRaw(queue, (IntPtr)0, (IntPtr)4, (IntPtr)(&v0));
buffer.ReadRaw(queue, (IntPtr)4, (IntPtr)4, (IntPtr)(&v1));
buffer.ReadRaw(queue, (IntPtr)8, (IntPtr)4, (IntPtr)(&v2));
buffer.ReadRaw(queue, (IntPtr)12, (IntPtr)4, (IntPtr)(&v3));
Assert.AreEqual(1.0f, v0);
Assert.AreEqual(2.0f, v1);
Assert.AreEqual(3.0f, v2);
Assert.AreEqual(4.0f, v3);
float k = 9.0f;
buffer.WriteRaw(queue, (IntPtr)4, (IntPtr)4, (IntPtr)(&k));
buffer.ReadRaw(queue, (IntPtr)4, (IntPtr)4, (IntPtr)(&v1));
Assert.AreEqual(9.0f, v1);
}
}
finally{
Marshal.FreeHGlobal(vecBuff);
buffer.Dispose();
queue.Dispose();
}
}