X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Fsynchronizer.cpp;h=9995f248c89d06503dc00a507b2748e08f3cb964;hb=c356a20547afae97b412da36e0b0a7d51e879401;hp=3ec04026a09ae2e2617c3461e4a746544f0ab119;hpb=8ab7589d65c4f8ca799f2a6886d128f4c36ff046;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/synchronizer.cpp b/source/backends/vulkan/synchronizer.cpp
index 3ec04026..9995f248 100644
--- a/source/backends/vulkan/synchronizer.cpp
+++ b/source/backends/vulkan/synchronizer.cpp
@@ -15,7 +15,7 @@ Synchronizer::Synchronizer(Device &d):
 	device(d)
 { }
 
-void Synchronizer::write_buffer(VkBuffer buffer, size_t offset, size_t size)
+void Synchronizer::write_buffer(VkBuffer buffer, size_t offset, size_t size, bool mapped)
 {
 	auto i = lower_bound_member(buffer_accesses, buffer, &BufferAccess::buffer);
 	if(i==buffer_accesses.end() || i->buffer!=buffer)
@@ -33,6 +33,8 @@ void Synchronizer::write_buffer(VkBuffer buffer, size_t offset, size_t size)
 		i->size = end-begin;
 	}
 
+	if(mapped)
+		i->was_written = true;
 	i->pending_write = true;
 }
 
@@ -131,7 +133,8 @@ void Synchronizer::barrier(VkCommandBuffer command_buffer)
 
 	static constexpr VkPipelineStageFlags buffer_read_stages = VK_PIPELINE_STAGE_VERTEX_INPUT_BIT|
 		VK_PIPELINE_STAGE_VERTEX_SHADER_BIT|VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
-	static constexpr VkPipelineStageFlags buffer_write_stages = VK_PIPELINE_STAGE_TRANSFER_BIT;
+	static constexpr VkPipelineStageFlags buffer_write_stages = VK_PIPELINE_STAGE_TRANSFER_BIT|
+		VK_PIPELINE_STAGE_HOST_BIT;
 
 	vector<VkBufferMemoryBarrier> buffer_barriers;
 	buffer_barriers.reserve(buffer_accesses.size());
@@ -212,29 +215,28 @@ void Synchronizer::barrier(VkCommandBuffer command_buffer)
 		}
 	}
 
-	bool sparse_levels = false;
 	for(auto i=image_accesses.begin(); i!=image_accesses.end(); )
 	{
-		if(i->level==-2)
-		{
-			sparse_levels = true;
-			++i;
-		}
-		else if(i->pending_layout==VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL)
+		if(i->level!=-1)
 		{
-			VkImage image = i->image;
-			i = image_accesses.erase(i);
-			if(i->image!=image)
+			auto j = i;
+			if(j->level==-2)
+				++j;
+
+			bool remove_image = true;
+			for(; (j!=image_accesses.end() && j->image==i->image); ++j)
+				remove_image &= (j->pending_layout==VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
+
+			if(remove_image)
+				i = image_accesses.erase(i, j);
+			else
 			{
-				if(sparse_levels)
-				{
-					auto j = prev(i);
-					if(j->level==-2)
-						i = image_accesses.erase(j);
-				}
-				sparse_levels = false;
+				for(; i!=j; ++i)
+					i->current_layout = i->pending_layout;
 			}
 		}
+		else if(i->pending_layout==VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL)
+			i = image_accesses.erase(i);
 		else
 		{
 			i->current_layout = i->pending_layout;