private static void staticUpdate()
{
// All requests that are already pending are ready to have their data copied from
// native memory to managed memory.
foreach (var req in _readyRequests)
{
// Retrieve, but also report how long each step took for profiling.
GlintPlugin.RetrieveTextureData(req.gpuTexture, ref req.cpuData,
out Glint.Profiling.lastRenderMapMs,
out Glint.Profiling.lastRenderCopyMs,
out Glint.Profiling.lastMainCopyMs);
// Buffer for removal and recycle.
_reqBuffer.Add(req);
// Fire the Action!
req.onRetrieved();
}
// Remove any completed requests.
foreach (var req in _reqBuffer)
{
finalizeRequest(req);
}
_readyRequests.Clear();
_reqBuffer.Clear();
// Decrement timers for pending requests, and fire retrieve operations, moving
// those requests to the ready requests.
foreach (var req in _pendingRequests)
{
if (req.readyForRetrieval)
{
// At this stage, we must IssuePluginEvent before we can actually get the
// data (the memory copy has to happen on the render thread).
GlintPlugin.RetrieveTextureData(req.gpuTexture, ref req.cpuData);
_reqBuffer.Add(req);
}
}
// Transfer buffered requests from pending to ready.
foreach (var req in _reqBuffer)
{
_pendingRequests.Remove(req);
_readyRequests.Add(req);
}
_reqBuffer.Clear();
}
public static void CreateRequest(Texture gpuTexture, float[] cpuData,
Action onRetrieved, int waitTimeInFrames)
{
ensureInstanceExists();
var req = Pool <Request> .Spawn();
req.gpuTexture = gpuTexture;
req.cpuData = cpuData;
req.onRetrieved = onRetrieved;
req.waitTimeInFrames = waitTimeInFrames;
GlintPlugin.RequestTextureData(req.gpuTexture);
_pendingRequests.Add(req);
}