// Helper function to read atomic UAV counters back onto the CPU. This will cause a stall so only use in debug
#if DEBUG
private static int ReadCounter(IUnorderedAccessBindable uav)
{
int count = 0;
if (VRage.MyCompilationSymbols.DX11Debug)
{
// Copy the UAV counter to a staging resource
RC.DeviceContext.CopyStructureCount(m_debugCounterBuffer.m_resource as SharpDX.Direct3D11.Buffer, 0, uav.UAV);
var mapping = MyMapping.MapRead(m_debugCounterBuffer.m_resource);
mapping.ReadAndPosition(ref count);
mapping.Unmap();
}
return(count);
}
// IMPORTANT: This method can be called only once per frame. If it is not, it will stall CPU for quite long time
// Helper function to read atomic UAV counters back onto the CPU.
// The method reads in the current frame the value from the previous frame
private static int ReadCounter(IUavBindable uav)
{
int count = 0;
if (VRage.MyCompilationSymbols.DX11Debug)
{
// Copy the UAV counter to a staging resource
RC.CopyStructureCount(m_debugCounterBuffers[m_debugCounterBuffersIndex], 0, uav);
m_debugCounterBuffersIndex = m_debugCounterBuffersIndex == 1 ? 0 : 1;
var mapping = MyMapping.MapRead(m_debugCounterBuffers[m_debugCounterBuffersIndex]);
mapping.ReadAndPosition(ref count);
mapping.Unmap();
}
return(count);
}
