X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Ftransferqueue.h;h=58b1bc2d6fa5f4743964c72d1e15e01305a97af0;hb=c633fcc87e295ebc88b5847c44ca0da121652819;hp=b8719d627513bd8962dec3df4c1b52ddd2a8dbc5;hpb=682d3ceda19df700ce6590028717e4f0042783ec;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/transferqueue.h b/source/backends/vulkan/transferqueue.h
index b8719d62..58b1bc2d 100644
--- a/source/backends/vulkan/transferqueue.h
+++ b/source/backends/vulkan/transferqueue.h
@@ -31,7 +31,7 @@ private:
 	struct PendingTransfer
 	{
 		unsigned order = 0;
-		unsigned buffer_index = 0;
+		int buffer_index = -1;
 		std::size_t offset = 0;
 		std::size_t size = 0;
 		std::function<void()> synchronize;
@@ -42,28 +42,28 @@ private:
 	std::size_t default_buffer_size = 16*1048576;
 	std::vector<StagingBuffer> buffers;
 	std::vector<PendingTransfer> transfers;
-	std::map<void *, unsigned> next_orders;
+	std::map<const void *, unsigned> next_orders;
 
 public:
 	TransferQueue(Device &);
 
 	template<typename S, typename T>
-	void *prepare_transfer(void *, bool, std::size_t, S &&, T &&);
+	void *prepare_transfer(const void *, bool, std::size_t, S &&, T &&);
 
 private:
-	PendingTransfer &prepare_transfer(void *, bool, std::size_t);
+	PendingTransfer &prepare_transfer(const void *, bool, std::size_t);
 
 public:
 	void dispatch_transfers(VkCommandBuffer);
 };
 
 template<typename S, typename T>
-void *TransferQueue::prepare_transfer(void *object, bool ordered, std::size_t size, S &&synchronize, T &&transfer)
+void *TransferQueue::prepare_transfer(const void *object, bool ordered, std::size_t size, S &&synchronize, T &&transfer)
 {
 	PendingTransfer &pt = prepare_transfer(object, ordered, size);
 	pt.synchronize = std::forward<S>(synchronize);
 	pt.transfer = std::forward<T>(transfer);
-	return static_cast<char *>(buffers[pt.buffer_index].mapped_address)+pt.offset;
+	return (pt.buffer_index<0 ? 0 : static_cast<char *>(buffers[pt.buffer_index].mapped_address)+pt.offset);
 }
 
 } // namespace GL