public void TestMemoryReuse()
{
RenderCommandTempMemPool pool = (RenderCommandTempMemPool)Activator.CreateInstance(typeof(RenderCommandTempMemPool), true);
IntPtr tenBytes = pool.Reserve(10U);
IntPtr twentyBytes = pool.Reserve(20U);
IntPtr thirtyBytes = pool.Reserve(30U);
IntPtr fortyBytes = pool.Reserve(40U);
pool.FreeAll();
Assert.AreEqual(tenBytes, pool.Reserve(9U));
Assert.AreEqual(thirtyBytes, pool.Reserve(21U));
Assert.AreEqual(fortyBytes, pool.Reserve(40U));
Assert.AreEqual(twentyBytes, pool.Reserve(1U));
IntPtr newAllocationA = pool.Reserve(1U);
IntPtr newAllocationB = pool.Reserve(1U);
Assert.AreNotEqual(tenBytes, newAllocationA);
Assert.AreNotEqual(twentyBytes, newAllocationA);
Assert.AreNotEqual(thirtyBytes, newAllocationA);
Assert.AreNotEqual(fortyBytes, newAllocationA);
Assert.AreNotEqual(tenBytes, newAllocationB);
Assert.AreNotEqual(twentyBytes, newAllocationB);
Assert.AreNotEqual(thirtyBytes, newAllocationB);
Assert.AreNotEqual(fortyBytes, newAllocationB);
Assert.AreNotEqual(newAllocationA, newAllocationB);
pool.FreeAll();
}
private static IntPtr AllocAndZeroTemp(uint numBytes)
{
IntPtr result = RenderCommandTempMemPool.GetLocalPool().Reserve(numBytes);
UnsafeUtils.ZeroMem(result, numBytes);
return(result);
}
public static RenderCommandTempMemPool GetLocalPool()
{
if (threadLocalMemPool == null)
{
threadLocalMemPool = new RenderCommandTempMemPool();
}
return(threadLocalMemPool);
}
public override unsafe void Flush()
{
IntPtr commandListHandleMem = RenderCommandTempMemPool.GetLocalPool().Reserve((uint)IntPtr.Size);
QueueCommand(new RenderCommand(RenderCommandInstruction.FinishCommandList, (IntPtr)(&commandListHandleMem)));
uint offset = 0U;
bool success;
for (int i = 0; i < DeferredActions.Count; i++)
{
KeyValuePair <uint, Action> curAction = DeferredActions[i];
char *failReason = stackalloc char[InteropUtils.MAX_INTEROP_FAIL_REASON_STRING_LENGTH + 1];
success = NativeMethods.RenderPassManager_FlushInstructions(
(IntPtr)failReason,
RenderingModule.DeviceContext,
RenderCommandList.AlignedPointer + (int)offset * sizeof(RenderCommand),
curAction.Key - offset
);
if (!success)
{
throw new NativeOperationFailedException(Marshal.PtrToStringUni((IntPtr)failReason));
}
offset = curAction.Key;
curAction.Value();
}
char *failReason2 = stackalloc char[InteropUtils.MAX_INTEROP_FAIL_REASON_STRING_LENGTH + 1];
success = NativeMethods.RenderPassManager_FlushInstructions(
(IntPtr)failReason2,
RenderingModule.DeviceContext,
RenderCommandList.AlignedPointer + (int)offset * sizeof(RenderCommand),
CurListIndex - offset
);
if (!success)
{
throw new NativeOperationFailedException(Marshal.PtrToStringUni((IntPtr)failReason2));
}
lastCommandListHandle = commandListHandleMem;
LosgapSystem.InvokeOnMaster(invokeOnMasterAction);
CurListIndex = 0U;
DeferredActions.Clear();
RenderCommandTempMemPool.GetLocalPool().FreeAll();
}
