X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Ftransferqueue.cpp;h=9fc941401ed90ef954b4a156ae7b1b801baf149f;hb=7d221b1fd6194e59bc0783740a2a17ac71fa4da5;hp=8040f245f5360a33ae31fb6a23b34cd392c8dbf9;hpb=5c35768c310847df816d216eecf8fa2e93f5f8b8;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/transferqueue.cpp b/source/backends/vulkan/transferqueue.cpp
index 8040f245..9fc94140 100644
--- a/source/backends/vulkan/transferqueue.cpp
+++ b/source/backends/vulkan/transferqueue.cpp
@@ -1,4 +1,5 @@
 #include <msp/core/algorithm.h>
+#include <msp/core/maputils.h>
 #include "device.h"
 #include "transferqueue.h"
 #include "vulkan.h"
@@ -12,36 +13,68 @@ TransferQueue::TransferQueue(Device &d):
 	device(d)
 { }
 
-TransferQueue::PendingTransfer &TransferQueue::prepare_transfer(void *object, bool ordered, size_t size)
+void TransferQueue::allocate_staging(PendingTransfer &transfer, size_t size)
 {
-	unsigned &order = next_orders[object];
-	order += !order;
-	order += (order&1)|ordered;
+	auto i = find_if(buffers, [size](const StagingBuffer &b){ return b.used+size<=b.size; });
+	if(i==buffers.end())
+	{
+		buffers.emplace_back(device, max(default_buffer_size, size));
+		i = prev(buffers.end());
+	}
 
-	auto j = upper_bound_member(transfers, order, &PendingTransfer::order);
+	transfer.buffer_index = distance(buffers.begin(), i);
+	transfer.offset = i->used;
+	transfer.size = size;
+	transfer.staging_address = static_cast<char *>(i->mapped_address)+transfer.offset;
 
-	PendingTransfer &transfer = *transfers.emplace(j);
-	transfer.order = order;
+	i->used += size;
+	++i->async_count;
+}
+
+TransferQueue::PendingTransfer &TransferQueue::prepare_transfer(const void *object, bool ordered, size_t size)
+{
+	PendingTransfer transfer;
+	transfer.object = object;
+	transfer.order = ordered;
 
 	if(size)
 	{
-		auto i = find_if(buffers, [size](const StagingBuffer &b){ return b.used+size<=b.size; });
-		if(i==buffers.end())
-		{
-			buffers.emplace_back(device, max(default_buffer_size, size));
-			i = prev(buffers.end());
-		}
+		allocate_staging(transfer, size);
+		auto i = lower_bound_member(async_transfers, transfer.staging_address, &PendingTransfer::staging_address);
+		i = async_transfers.emplace(i, move(transfer));
+		return *i;
+	}
+	else
+		return insert_transfer(move(transfer));
+}
 
-		transfer.buffer_index = distance(buffers.begin(), i);
-		transfer.offset = i->used;
-		transfer.size = size;
+void TransferQueue::finalize_transfer(void *staging)
+{
+	auto i = lower_bound_member(async_transfers, staging, &PendingTransfer::staging_address);
+	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);
+}
 
-		i->used += size;
-	}
+TransferQueue::PendingTransfer &TransferQueue::insert_transfer(PendingTransfer &&pt)
+{
+	bool ordered = pt.order;
+
+	unsigned &order = next_orders[pt.object];
+	order += !order;
+	order += (order&1)|ordered;
+
+	auto j = upper_bound_member(transfers, order, &PendingTransfer::order);
+	j = transfers.emplace(j, move(pt));
+	j->order = order;
 
 	order += ordered;
 
-	return transfer;
+	return *j;
 }
 
 void TransferQueue::dispatch_transfers(VkCommandBuffer command_buffer)
@@ -49,6 +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;
@@ -61,11 +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;
 }