public override FractalEngine.Stats GatherStats()
{
queue.Finish();
Stats stats = new Stats();
NativeGlobalStatEntry gStats = new NativeGlobalStatEntry();
globalStatBuffer.Read(queue, out gStats);
stats.TotalIterCount = gStats.IterCount;
stats.TotalDotCount = gStats.DotCount;
stats.meanDotsPerSubpixel = (float)((double)stats.TotalDotCount / (double)(xRes * yRes * AALevel * AALevel));
return(stats);
}
public void TestKernelExecution()
{
int elemCount = 16;
int localSize = 8;
checkSetup();
CommandQueue queue = CommandQueue.Create(context, device, CommandQueueFlags.ProfilingEnable);
Kernel kernel = Kernel.Create(program, "vec_add");
Buffer a = Buffer.Create(context, MemFlags.ReadWrite, (IntPtr)(elemCount * sizeof(float)));
Buffer b = Buffer.Create(context, MemFlags.ReadWrite, (IntPtr)(elemCount * sizeof(float)));
Buffer c = Buffer.Create(context, MemFlags.ReadWrite, (IntPtr)(elemCount * sizeof(float)));
float[] aLoc = new float[elemCount];
float[] bLoc = new float[elemCount];
float[] cLoc = new float[elemCount];
for (int i = 0; i < elemCount; i++)
{
aLoc[i] = (float)rand.NextDouble();
bLoc[i] = (float)rand.NextDouble();
}
a.Write(queue, aLoc);
b.Write(queue, bLoc);
kernel.SetArgs(a, b, c);
Event launchEvt;
kernel.EnqueueLaunch(queue, elemCount, localSize, null, out launchEvt);
launchEvt.Wait();
launchEvt.Dispose();
c.Read(queue, cLoc);
for (int i = 0; i < elemCount; i++)
{
Assert.That(Math.Abs(aLoc[i] + bLoc[i] - cLoc[i]) < 0.05f);
}
c.Dispose();
b.Dispose();
a.Dispose();
kernel.Dispose();
queue.Dispose();
}