public void Resize(IUavBindable buffer, int newElements, int newByteStride = -1, IntPtr?newData = null)
{
MyRenderProxy.Assert(newElements > 0);
MyRenderProxy.Assert(newByteStride > 0 || newByteStride == -1);
var uavBuffer = buffer as MyUavBuffer;
ResizeInternal(uavBuffer, newElements, newByteStride, newData, b => b.UavType = uavBuffer.UavType);
}
// 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);
}
internal void SetUav(int slot, IUavBindable uavBindable)
{
UnorderedAccessView uav = null;
if (uavBindable != null)
{
uav = uavBindable.Uav;
}
if (uav == m_uavs[slot])
{
return;
}
m_uavs[slot] = uav;
m_deviceContext.ComputeShader.SetUnorderedAccessView(slot, uav);
m_statistics.SetUavs++;
}
// 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;
}
internal void SetUav(int slot, IUavBindable uavBindable, int uavInitialCount)
{
UnorderedAccessView uav = null;
if (uavBindable != null)
uav = uavBindable.Uav;
if (uav == m_uavs[slot] && uavInitialCount == m_uavsInitialCount[slot])
return;
m_uavs[slot] = uav;
m_uavsInitialCount[slot] = uavInitialCount;
m_deviceContext.ComputeShader.SetUnorderedAccessView(slot, uav, uavInitialCount);
m_statistics.SetUavs++;
}
internal void CopyStructureCount(IBuffer dstBufferRef, int dstAlignedByteOffset, IUavBindable srcViewRef)
{
m_deviceContext.CopyStructureCount(dstBufferRef.Buffer, dstAlignedByteOffset, srcViewRef.Uav);
CheckErrors();
}
internal void ClearUav(IUavBindable uav, RawInt4 values)
{
m_deviceContext.ClearUnorderedAccessView(uav.Uav, values);
CheckErrors();
}
public void Resize(IUavBindable buffer, int newElements, int newByteStride = -1, IntPtr?newData = null)
{
var uavBuffer = buffer as MyUavBuffer;
ResizeInternal(uavBuffer, newElements, newByteStride, newData, b => b.UavType = uavBuffer.UavType);
}
