X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Ftransferqueue.cpp;h=9fc941401ed90ef954b4a156ae7b1b801baf149f;hp=8db81020425ee5e705b15bee3e098002483cf728;hb=7d221b1fd6194e59bc0783740a2a17ac71fa4da5;hpb=a9e3cf282bd9c5c43e767552b73068e7a56765e2

diff --git a/source/backends/vulkan/transferqueue.cpp b/source/backends/vulkan/transferqueue.cpp
index 8db81020..9fc94140 100644
--- a/source/backends/vulkan/transferqueue.cpp
+++ b/source/backends/vulkan/transferqueue.cpp
@@ -28,6 +28,7 @@ void TransferQueue::allocate_staging(PendingTransfer &transfer, size_t size)
 	transfer.staging_address = static_cast<char *>(i->mapped_address)+transfer.offset;
 
 	i->used += size;
+	++i->async_count;
 }
 
 TransferQueue::PendingTransfer &TransferQueue::prepare_transfer(const void *object, bool ordered, size_t size)
@@ -53,6 +54,8 @@ void TransferQueue::finalize_transfer(void *staging)
 	if(i==async_transfers.end() || i->staging_address!=staging)
 		throw key_error(staging);
 
+	if(i->buffer_index>=0)
+		--buffers[i->buffer_index].async_count;
 	insert_transfer(move(*i));
 	async_transfers.erase(i);
 }
@@ -79,6 +82,7 @@ void TransferQueue::dispatch_transfers(VkCommandBuffer command_buffer)
 	if(transfers.empty())
 		return;
 
+	++current_frame;
 	for(auto i=transfers.begin(); i!=transfers.end(); )
 	{
 		auto j = i;
@@ -91,11 +95,18 @@ void TransferQueue::dispatch_transfers(VkCommandBuffer command_buffer)
 		{
 			VkBuffer buffer = (i->buffer_index>=0 ? buffers[i->buffer_index].buffer : 0);
 			i->transfer(command_buffer, buffer, i->offset);
+			if(i->buffer_index>=0)
+				buffers[i->buffer_index].last_frame = current_frame;
 		}
 	}
 
 	transfers.clear();
 	next_orders.clear();
+
+	unsigned n_frames_in_flight = device.get_n_frames_in_flight();
+	for(StagingBuffer &b: buffers)
+		if(!b.async_count && b.last_frame+n_frames_in_flight<current_frame)
+			b.used = 0;
 }