diff --git a/renderdoc/driver/vulkan/vk_debug.cpp b/renderdoc/driver/vulkan/vk_debug.cpp
index cc3ca4a70..ef7e21263 100644
--- a/renderdoc/driver/vulkan/vk_debug.cpp
+++ b/renderdoc/driver/vulkan/vk_debug.cpp
@@ -1627,7 +1627,7 @@ ResourceId VulkanDebugManager::RenderOverlay(ResourceId texid, TextureDisplayOve
 			{ VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 }
 		};
 
-		m_pDriver->m_ImageLayouts[GetResID(m_OverlayImage)].subresourceStates[0].state = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+		m_pDriver->m_ImageLayouts[GetResID(m_OverlayImage)].subresourceStates[0].newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
 
 		void *barrier = (void *)&trans;
 
diff --git a/renderdoc/driver/vulkan/vk_initstate.cpp b/renderdoc/driver/vulkan/vk_initstate.cpp
index 3609a62ee..101fce71f 100644
--- a/renderdoc/driver/vulkan/vk_initstate.cpp
+++ b/renderdoc/driver/vulkan/vk_initstate.cpp
@@ -143,7 +143,7 @@ bool WrappedVulkan::Prepare_InitialState(WrappedVkRes *res)
 		
 			// VKTODOMED handle getting the right origLayout for this mip, handle transitioning
 			// multiple slices with different layouts etc
-			VkImageLayout origLayout = layout->subresourceStates[0].state;
+			VkImageLayout origLayout = layout->subresourceStates[0].newLayout;
 
 			// transition the real image into transfer-source
 			srcimTrans.oldLayout = origLayout;
@@ -736,7 +736,7 @@ void WrappedVulkan::Create_InitialState(ResourceId id, WrappedVkRes *live, bool
 
 		ImageLayouts &layouts = m_ImageLayouts[liveid];
 
-		if(layouts.subresourceStates[0].range.aspectMask == VK_IMAGE_ASPECT_COLOR_BIT)
+		if(layouts.subresourceStates[0].subresourceRange.aspectMask == VK_IMAGE_ASPECT_COLOR_BIT)
 			GetResourceManager()->SetInitialContents(id, VulkanResourceManager::InitialContentData(NULL, eInitialContents_ClearColorImage, NULL));
 		else
 			GetResourceManager()->SetInitialContents(id, VulkanResourceManager::InitialContentData(NULL, eInitialContents_ClearDepthStencilImage, NULL));
@@ -804,7 +804,7 @@ void WrappedVulkan::Apply_InitialState(WrappedVkRes *live, VulkanResourceManager
 				VkImageMemoryBarrier barrier = {
 					VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, NULL,
 					0, 0,
-					m_ImageLayouts[id].subresourceStates[0].state, VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL,
+					m_ImageLayouts[id].subresourceStates[0].newLayout, VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL,
 					VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED,
 					ToHandle<VkImage>(live),
 					{ VK_IMAGE_ASPECT_COLOR_BIT, 0, VK_REMAINING_MIP_LEVELS, 0, VK_REMAINING_ARRAY_LAYERS },
@@ -860,7 +860,7 @@ void WrappedVulkan::Apply_InitialState(WrappedVkRes *live, VulkanResourceManager
 				VkImageMemoryBarrier barrier = {
 					VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, NULL,
 					0, 0,
-					m_ImageLayouts[id].subresourceStates[0].state, VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL,
+					m_ImageLayouts[id].subresourceStates[0].newLayout, VK_IMAGE_LAYOUT_TRANSFER_DESTINATION_OPTIMAL,
 					VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED,
 					ToHandle<VkImage>(live),
 					{ VK_IMAGE_ASPECT_COLOR_BIT, 0, VK_REMAINING_MIP_LEVELS, 0, VK_REMAINING_ARRAY_LAYERS },
@@ -944,7 +944,7 @@ void WrappedVulkan::Apply_InitialState(WrappedVkRes *live, VulkanResourceManager
 			dstimTrans.subresourceRange.baseMipLevel = m;
 		
 			// VKTODOMED handle getting the right origLayout for this mip, handle multiple slices with different layouts etc
-			VkImageLayout origLayout = m_ImageLayouts[id].subresourceStates[0].state;
+			VkImageLayout origLayout = m_ImageLayouts[id].subresourceStates[0].newLayout;
 
 			// first transition the live image into destination optimal (the initial state
 			// image is always and permanently in source optimal already).
diff --git a/renderdoc/driver/vulkan/vk_manager.cpp b/renderdoc/driver/vulkan/vk_manager.cpp
index 2470610da..a9906fcfc 100644
--- a/renderdoc/driver/vulkan/vk_manager.cpp
+++ b/renderdoc/driver/vulkan/vk_manager.cpp
@@ -30,9 +30,9 @@ void Serialiser::Serialise(const char *name, ImageRegionState &el)
 {
 	ScopedContext scope(this, name, "ImageRegionState", 0, true);
 	
-	Serialise("range", el.range);
-	Serialise("prevstate", el.prevstate);
-	Serialise("state", el.state);
+	Serialise("range", el.subresourceRange);
+	Serialise("prevstate", el.oldLayout);
+	Serialise("state", el.newLayout);
 }
 
 bool VulkanResourceManager::SerialisableResource(ResourceId id, VkResourceRecord *record)
@@ -79,24 +79,24 @@ void VulkanResourceManager::RecordTransitions(vector< pair<ResourceId, ImageRegi
 			if(it->first < id) continue;
 			if(it->first != id) break;
 
-			if(it->second.range.aspectMask & t.subresourceRange.aspectMask)
+			if(it->second.subresourceRange.aspectMask & t.subresourceRange.aspectMask)
 			{
 				// we've found a range that completely matches our region, doesn't matter if that's
 				// a whole image and the transition is the whole image, or it's one subresource.
 				// note that for images with only one array/mip slice (e.g. render targets) we'll never
 				// really have to worry about the else{} branch
-				if(it->second.range.baseMipLevel == t.subresourceRange.baseMipLevel &&
-				   it->second.range.mipLevels == nummips &&
-				   it->second.range.baseArrayLayer == t.subresourceRange.baseArrayLayer &&
-				   it->second.range.arraySize == numslices)
+				if(it->second.subresourceRange.baseMipLevel == t.subresourceRange.baseMipLevel &&
+				   it->second.subresourceRange.mipLevels == nummips &&
+				   it->second.subresourceRange.baseArrayLayer == t.subresourceRange.baseArrayLayer &&
+				   it->second.subresourceRange.arraySize == numslices)
 				{
 					// verify
-					//RDCASSERT(it->second.state == t.oldState);
+					//RDCASSERT(it->second.state == t.oldLayout);
 
 					// apply it (prevstate is from the start of all transitions, so only set once)
-					if(it->second.prevstate == UNTRANSITIONED_IMG_STATE)
-						it->second.prevstate = t.oldLayout;
-					it->second.state = t.newLayout;
+					if(it->second.oldLayout == UNTRANSITIONED_IMG_STATE)
+						it->second.oldLayout = t.oldLayout;
+					it->second.newLayout = t.newLayout;
 
 					done = true;
 					break;
@@ -113,17 +113,17 @@ void VulkanResourceManager::RecordTransitions(vector< pair<ResourceId, ImageRegi
 					// range could be sparse, but that's OK as we only break out of the loop once we go past the whole
 					// aspect. Any subresources that don't match the range, after the split, will fail to meet any
 					// of the handled cases, so we'll just continue processing.
-					if(it->second.range.mipLevels == 1 &&
-					   it->second.range.arraySize == 1 &&
-					   it->second.range.baseMipLevel >= t.subresourceRange.baseMipLevel &&
-					   it->second.range.baseMipLevel < t.subresourceRange.baseMipLevel+nummips &&
-					   it->second.range.baseArrayLayer >= t.subresourceRange.baseArrayLayer &&
-					   it->second.range.baseArrayLayer < t.subresourceRange.baseArrayLayer+numslices)
+					if(it->second.subresourceRange.mipLevels == 1 &&
+					   it->second.subresourceRange.arraySize == 1 &&
+					   it->second.subresourceRange.baseMipLevel >= t.subresourceRange.baseMipLevel &&
+					   it->second.subresourceRange.baseMipLevel < t.subresourceRange.baseMipLevel+nummips &&
+					   it->second.subresourceRange.baseArrayLayer >= t.subresourceRange.baseArrayLayer &&
+					   it->second.subresourceRange.baseArrayLayer < t.subresourceRange.baseArrayLayer+numslices)
 					{
 						// apply it (prevstate is from the start of all transitions, so only set once)
-						if(it->second.prevstate == UNTRANSITIONED_IMG_STATE)
-							it->second.prevstate = t.oldLayout;
-						it->second.state = t.newLayout;
+						if(it->second.oldLayout == UNTRANSITIONED_IMG_STATE)
+							it->second.oldLayout = t.oldLayout;
+						it->second.newLayout = t.newLayout;
 
 						// continue as there might be more, but we're done
 						done = true;
@@ -134,14 +134,14 @@ void VulkanResourceManager::RecordTransitions(vector< pair<ResourceId, ImageRegi
 					// case, so we know that the transition doesn't cover the whole range.
 					// Also, if we've already done the split this case won't be hit and we'll either fall into
 					// the case above, or we'll finish as we've covered the whole transition.
-					else if(it->second.range.mipLevels > 1 || it->second.range.arraySize > 1)
+					else if(it->second.subresourceRange.mipLevels > 1 || it->second.subresourceRange.arraySize > 1)
 					{
 						pair<ResourceId, ImageRegionState> existing = *it;
 
 						// remember where we were in the array, as after this iterators will be
 						// invalidated.
 						size_t offs = it - trans.begin();
-						size_t count = it->second.range.mipLevels * it->second.range.arraySize;
+						size_t count = it->second.subresourceRange.mipLevels * it->second.subresourceRange.arraySize;
 
 						// only insert count-1 as we want count entries total - one per subresource
 						trans.insert(it, count-1, existing);
@@ -152,12 +152,12 @@ void VulkanResourceManager::RecordTransitions(vector< pair<ResourceId, ImageRegi
 
 						for(size_t i=0; i < count; i++)
 						{
-							it->second.range.mipLevels = 1;
-							it->second.range.arraySize = 1;
+							it->second.subresourceRange.mipLevels = 1;
+							it->second.subresourceRange.arraySize = 1;
 
 							// slice-major
-							it->second.range.baseArrayLayer = uint32_t(i / existing.second.range.mipLevels);
-							it->second.range.baseMipLevel = uint32_t(i % existing.second.range.mipLevels);
+							it->second.subresourceRange.baseArrayLayer = uint32_t(i / existing.second.subresourceRange.mipLevels);
+							it->second.subresourceRange.baseMipLevel = uint32_t(i % existing.second.subresourceRange.mipLevels);
 							it++;
 						}
 						
@@ -166,15 +166,15 @@ void VulkanResourceManager::RecordTransitions(vector< pair<ResourceId, ImageRegi
 
 						// the loop will continue after this point and look at the next subresources
 						// so we need to check to see if the first subresource lies in the range here
-						if(it->second.range.baseMipLevel >= t.subresourceRange.baseMipLevel &&
-						   it->second.range.baseMipLevel < t.subresourceRange.baseMipLevel+nummips &&
-						   it->second.range.baseArrayLayer >= t.subresourceRange.baseArrayLayer &&
-						   it->second.range.baseArrayLayer < t.subresourceRange.baseArrayLayer+numslices)
+						if(it->second.subresourceRange.baseMipLevel >= t.subresourceRange.baseMipLevel &&
+						   it->second.subresourceRange.baseMipLevel < t.subresourceRange.baseMipLevel+nummips &&
+						   it->second.subresourceRange.baseArrayLayer >= t.subresourceRange.baseArrayLayer &&
+						   it->second.subresourceRange.baseArrayLayer < t.subresourceRange.baseArrayLayer+numslices)
 						{
 							// apply it (prevstate is from the start of all transitions, so only set once)
-							if(it->second.prevstate == UNTRANSITIONED_IMG_STATE)
-								it->second.prevstate = t.oldLayout;
-							it->second.state = t.newLayout;
+							if(it->second.oldLayout == UNTRANSITIONED_IMG_STATE)
+								it->second.oldLayout = t.oldLayout;
+							it->second.newLayout = t.newLayout;
 
 							// continue as there might be more, but we're done
 							done = true;
@@ -187,7 +187,7 @@ void VulkanResourceManager::RecordTransitions(vector< pair<ResourceId, ImageRegi
 			}
 
 			// if we've gone past where the new subresource range would sit
-			if(it->second.range.aspectMask > t.subresourceRange.aspectMask)
+			if(it->second.subresourceRange.aspectMask > t.subresourceRange.aspectMask)
 				break;
 
 			// otherwise continue to try and find the subresource range
@@ -213,8 +213,8 @@ void VulkanResourceManager::MergeTransitions(vector< pair<ResourceId, ImageRegio
 		ResourceId id = srctrans[ti].first;
 		const ImageRegionState &t = srctrans[ti].second;
 		
-		uint32_t nummips = t.range.mipLevels;
-		uint32_t numslices = t.range.arraySize;
+		uint32_t nummips = t.subresourceRange.mipLevels;
+		uint32_t numslices = t.subresourceRange.arraySize;
 
 		bool done = false;
 
@@ -230,24 +230,24 @@ void VulkanResourceManager::MergeTransitions(vector< pair<ResourceId, ImageRegio
 			if(it->first < id) continue;
 			if(it->first != id) break;
 
-			if(it->second.range.aspectMask & t.range.aspectMask)
+			if(it->second.subresourceRange.aspectMask & t.subresourceRange.aspectMask)
 			{
 				// we've found a range that completely matches our region, doesn't matter if that's
 				// a whole image and the transition is the whole image, or it's one subresource.
 				// note that for images with only one array/mip slice (e.g. render targets) we'll never
 				// really have to worry about the else{} branch
-				if(it->second.range.baseMipLevel == t.range.baseMipLevel &&
-				   it->second.range.mipLevels == nummips &&
-				   it->second.range.baseArrayLayer == t.range.baseArrayLayer &&
-				   it->second.range.arraySize == numslices)
+				if(it->second.subresourceRange.baseMipLevel == t.subresourceRange.baseMipLevel &&
+				   it->second.subresourceRange.mipLevels == nummips &&
+				   it->second.subresourceRange.baseArrayLayer == t.subresourceRange.baseArrayLayer &&
+				   it->second.subresourceRange.arraySize == numslices)
 				{
 					// verify
 					//RDCASSERT(it->second.state == t.prevstate);
 
 					// apply it (prevstate is from the start of all transitions, so only set once)
-					if(it->second.prevstate == UNTRANSITIONED_IMG_STATE)
-						it->second.prevstate = t.prevstate;
-					it->second.state = t.state;
+					if(it->second.oldLayout == UNTRANSITIONED_IMG_STATE)
+						it->second.oldLayout = t.oldLayout;
+					it->second.newLayout = t.newLayout;
 
 					done = true;
 					break;
@@ -264,17 +264,17 @@ void VulkanResourceManager::MergeTransitions(vector< pair<ResourceId, ImageRegio
 					// range could be sparse, but that's OK as we only break out of the loop once we go past the whole
 					// aspect. Any subresources that don't match the range, after the split, will fail to meet any
 					// of the handled cases, so we'll just continue processing.
-					if(it->second.range.mipLevels == 1 &&
-					   it->second.range.arraySize == 1 &&
-					   it->second.range.baseMipLevel >= t.range.baseMipLevel &&
-					   it->second.range.baseMipLevel < t.range.baseMipLevel+nummips &&
-					   it->second.range.baseArrayLayer >= t.range.baseArrayLayer &&
-					   it->second.range.baseArrayLayer < t.range.baseArrayLayer+numslices)
+					if(it->second.subresourceRange.mipLevels == 1 &&
+					   it->second.subresourceRange.arraySize == 1 &&
+					   it->second.subresourceRange.baseMipLevel >= t.subresourceRange.baseMipLevel &&
+					   it->second.subresourceRange.baseMipLevel < t.subresourceRange.baseMipLevel+nummips &&
+					   it->second.subresourceRange.baseArrayLayer >= t.subresourceRange.baseArrayLayer &&
+					   it->second.subresourceRange.baseArrayLayer < t.subresourceRange.baseArrayLayer+numslices)
 					{
 						// apply it (prevstate is from the start of all transitions, so only set once)
-						if(it->second.prevstate == UNTRANSITIONED_IMG_STATE)
-							it->second.prevstate = t.prevstate;
-						it->second.state = t.state;
+						if(it->second.oldLayout == UNTRANSITIONED_IMG_STATE)
+							it->second.oldLayout = t.oldLayout;
+						it->second.newLayout = t.newLayout;
 
 						// continue as there might be more, but we're done
 						done = true;
@@ -285,14 +285,14 @@ void VulkanResourceManager::MergeTransitions(vector< pair<ResourceId, ImageRegio
 					// case, so we know that the transition doesn't cover the whole range.
 					// Also, if we've already done the split this case won't be hit and we'll either fall into
 					// the case above, or we'll finish as we've covered the whole transition.
-					else if(it->second.range.mipLevels > 1 || it->second.range.arraySize > 1)
+					else if(it->second.subresourceRange.mipLevels > 1 || it->second.subresourceRange.arraySize > 1)
 					{
 						pair<ResourceId, ImageRegionState> existing = *it;
 
 						// remember where we were in the array, as after this iterators will be
 						// invalidated.
 						size_t offs = it - dsttrans.begin();
-						size_t count = it->second.range.mipLevels * it->second.range.arraySize;
+						size_t count = it->second.subresourceRange.mipLevels * it->second.subresourceRange.arraySize;
 
 						// only insert count-1 as we want count entries total - one per subresource
 						dsttrans.insert(it, count-1, existing);
@@ -303,12 +303,12 @@ void VulkanResourceManager::MergeTransitions(vector< pair<ResourceId, ImageRegio
 
 						for(size_t i=0; i < count; i++)
 						{
-							it->second.range.mipLevels = 1;
-							it->second.range.arraySize = 1;
+							it->second.subresourceRange.mipLevels = 1;
+							it->second.subresourceRange.arraySize = 1;
 
 							// slice-major
-							it->second.range.baseArrayLayer = uint32_t(i / existing.second.range.mipLevels);
-							it->second.range.baseMipLevel = uint32_t(i % existing.second.range.mipLevels);
+							it->second.subresourceRange.baseArrayLayer = uint32_t(i / existing.second.subresourceRange.mipLevels);
+							it->second.subresourceRange.baseMipLevel = uint32_t(i % existing.second.subresourceRange.mipLevels);
 							it++;
 						}
 						
@@ -317,15 +317,15 @@ void VulkanResourceManager::MergeTransitions(vector< pair<ResourceId, ImageRegio
 
 						// the loop will continue after this point and look at the next subresources
 						// so we need to check to see if the first subresource lies in the range here
-						if(it->second.range.baseMipLevel >= t.range.baseMipLevel &&
-						   it->second.range.baseMipLevel < t.range.baseMipLevel+nummips &&
-						   it->second.range.baseArrayLayer >= t.range.baseArrayLayer &&
-						   it->second.range.baseArrayLayer < t.range.baseArrayLayer+numslices)
+						if(it->second.subresourceRange.baseMipLevel >= t.subresourceRange.baseMipLevel &&
+						   it->second.subresourceRange.baseMipLevel < t.subresourceRange.baseMipLevel+nummips &&
+						   it->second.subresourceRange.baseArrayLayer >= t.subresourceRange.baseArrayLayer &&
+						   it->second.subresourceRange.baseArrayLayer < t.subresourceRange.baseArrayLayer+numslices)
 						{
 							// apply it (prevstate is from the start of all transitions, so only set once)
-							if(it->second.prevstate == UNTRANSITIONED_IMG_STATE)
-								it->second.prevstate = t.prevstate;
-							it->second.state = t.state;
+							if(it->second.oldLayout == UNTRANSITIONED_IMG_STATE)
+								it->second.oldLayout = t.oldLayout;
+							it->second.newLayout = t.newLayout;
 
 							// continue as there might be more, but we're done
 							done = true;
@@ -338,7 +338,7 @@ void VulkanResourceManager::MergeTransitions(vector< pair<ResourceId, ImageRegio
 			}
 
 			// if we've gone past where the new subresource range would sit
-			if(it->second.range.aspectMask > t.range.aspectMask)
+			if(it->second.subresourceRange.aspectMask > t.subresourceRange.aspectMask)
 				break;
 
 			// otherwise continue to try and find the subresource range
@@ -348,7 +348,7 @@ void VulkanResourceManager::MergeTransitions(vector< pair<ResourceId, ImageRegio
 
 		// we don't have an existing transition for this memory region, insert into place. it points to
 		// where it should be inserted
-		dsttrans.insert(it, std::make_pair(id, ImageRegionState(t.range, t.prevstate, t.state)));
+		dsttrans.insert(it, std::make_pair(id, ImageRegionState(t.subresourceRange, t.oldLayout, t.newLayout)));
 	}
 
 	TRDBG("Post-merge, there are %u transitions", (uint32_t)dsttrans.size());
@@ -393,8 +393,8 @@ void VulkanResourceManager::SerialiseImageStates(map<ResourceId, ImageLayouts> &
 				t.destQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
 				t.image = Unwrap(GetCurrentHandle<VkImage>(liveid));
 				t.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
-				t.newLayout = state.state;
-				t.subresourceRange = state.range;
+				t.newLayout = state.newLayout;
+				t.subresourceRange = state.subresourceRange;
 				transitions.push_back(t);
 				vec.push_back(std::make_pair(liveid, state));
 			}
@@ -406,7 +406,7 @@ void VulkanResourceManager::SerialiseImageStates(map<ResourceId, ImageLayouts> &
 	ApplyTransitions(vec, states);
 
 	for(size_t i=0; i < vec.size(); i++)
-		transitions[i].oldLayout = vec[i].second.prevstate;
+		transitions[i].oldLayout = vec[i].second.oldLayout;
 
 	// erase any do-nothing transitions
 	for(auto it=transitions.begin(); it != transitions.end();)
@@ -437,8 +437,8 @@ void VulkanResourceManager::ApplyTransitions(vector< pair<ResourceId, ImageRegio
 			continue;
 		}
 
-		uint32_t nummips = t.range.mipLevels;
-		uint32_t numslices = t.range.arraySize;
+		uint32_t nummips = t.subresourceRange.mipLevels;
+		uint32_t numslices = t.subresourceRange.arraySize;
 		if(nummips == VK_REMAINING_MIP_LEVELS) nummips = states[id].mipLevels;
 		if(numslices == VK_REMAINING_ARRAY_LAYERS) numslices = states[id].arraySize;
 
@@ -446,13 +446,13 @@ void VulkanResourceManager::ApplyTransitions(vector< pair<ResourceId, ImageRegio
 		if(nummips == 0) nummips = 1;
 		if(numslices == 0) numslices = 1;
 
-		if(t.prevstate == t.state) continue;
+		if(t.oldLayout == t.newLayout) continue;
 
 		TRDBG("Transition of %s (%u->%u, %u->%u) from %s to %s",
-				ToStr::Get(t.range.aspect).c_str(),
-				t.range.baseMipLevel, t.range.mipLevels,
-				t.range.baseArrayLayer, t.range.arraySize,
-				ToStr::Get(t.prevstate).c_str(), ToStr::Get(t.state).c_str());
+				ToStr::Get(t.subresourceRange.aspect).c_str(),
+				t.subresourceRange.baseMipLevel, t.subresourceRange.mipLevels,
+				t.subresourceRange.baseArrayLayer, t.subresourceRange.arraySize,
+				ToStr::Get(t.oldLayout).c_str(), ToStr::Get(t.newLayout).c_str());
 
 		bool done = false;
 
@@ -462,34 +462,34 @@ void VulkanResourceManager::ApplyTransitions(vector< pair<ResourceId, ImageRegio
 		for(; it != stit->second.subresourceStates.end(); ++it)
 		{
 			TRDBG(".. state %s (%u->%u, %u->%u) from %s to %s",
-				ToStr::Get(it->range.aspect).c_str(),
+				ToStr::Get(it->subresourceRange.aspect).c_str(),
 				it->range.baseMipLevel, it->range.mipLevels,
 				it->range.baseArrayLayer, it->range.arraySize,
-				ToStr::Get(it->prevstate).c_str(), ToStr::Get(it->state).c_str());
+				ToStr::Get(it->oldLayout).c_str(), ToStr::Get(it->newLayout).c_str());
 
 			// image transitions are handled by initially inserting one subresource range for each aspect,
 			// and whenever we need more fine-grained detail we split it immediately for one range for
 			// each subresource in that aspect. Thereafter if a transition comes in that covers multiple
 			// subresources, we transition all matching ranges.
 
-			if(it->range.aspectMask & t.range.aspectMask)
+			if(it->subresourceRange.aspectMask & t.subresourceRange.aspectMask)
 			{
 				// we've found a range that completely matches our region, doesn't matter if that's
 				// a whole image and the transition is the whole image, or it's one subresource.
 				// note that for images with only one array/mip slice (e.g. render targets) we'll never
 				// really have to worry about the else{} branch
-				if(it->range.baseMipLevel == t.range.baseMipLevel &&
-				   it->range.mipLevels == nummips &&
-				   it->range.baseArrayLayer == t.range.baseArrayLayer &&
-				   it->range.arraySize == numslices)
+				if(it->subresourceRange.baseMipLevel == t.subresourceRange.baseMipLevel &&
+				   it->subresourceRange.mipLevels == nummips &&
+				   it->subresourceRange.baseArrayLayer == t.subresourceRange.baseArrayLayer &&
+				   it->subresourceRange.arraySize == numslices)
 				{
 					/*
 					RDCASSERT(t.prevstate == UNTRANSITIONED_IMG_STATE || it->state == UNTRANSITIONED_IMG_STATE || // renderdoc untracked/ignored
 					          it->state == t.prevstate || // valid transition
 										t.prevstate == VK_IMAGE_LAYOUT_UNDEFINED); // can transition from UNDEFINED to any state
 					*/
-					t.prevstate = it->state;
-					it->state = t.state;
+					t.oldLayout = it->newLayout;
+					it->newLayout = t.newLayout;
 
 					done = true;
 					break;
@@ -506,17 +506,17 @@ void VulkanResourceManager::ApplyTransitions(vector< pair<ResourceId, ImageRegio
 					// range could be sparse, but that's OK as we only break out of the loop once we go past the whole
 					// aspect. Any subresources that don't match the range, after the split, will fail to meet any
 					// of the handled cases, so we'll just continue processing.
-					if(it->range.mipLevels == 1 &&
-					   it->range.arraySize == 1 &&
-					   it->range.baseMipLevel >= t.range.baseMipLevel &&
-					   it->range.baseMipLevel < t.range.baseMipLevel+nummips &&
-					   it->range.baseArrayLayer >= t.range.baseArrayLayer &&
-					   it->range.baseArrayLayer < t.range.baseArrayLayer+numslices)
+					if(it->subresourceRange.mipLevels == 1 &&
+					   it->subresourceRange.arraySize == 1 &&
+					   it->subresourceRange.baseMipLevel >= t.subresourceRange.baseMipLevel &&
+					   it->subresourceRange.baseMipLevel < t.subresourceRange.baseMipLevel+nummips &&
+					   it->subresourceRange.baseArrayLayer >= t.subresourceRange.baseArrayLayer &&
+					   it->subresourceRange.baseArrayLayer < t.subresourceRange.baseArrayLayer+numslices)
 					{
 						// apply it (prevstate is from the start of all transitions, so only set once)
-						if(it->prevstate == UNTRANSITIONED_IMG_STATE)
-							it->prevstate = t.prevstate;
-						it->state = t.state;
+						if(it->oldLayout == UNTRANSITIONED_IMG_STATE)
+							it->oldLayout = t.oldLayout;
+						it->newLayout = t.newLayout;
 
 						// continue as there might be more, but we're done
 						done = true;
@@ -527,14 +527,14 @@ void VulkanResourceManager::ApplyTransitions(vector< pair<ResourceId, ImageRegio
 					// case, so we know that the transition doesn't cover the whole range.
 					// Also, if we've already done the split this case won't be hit and we'll either fall into
 					// the case above, or we'll finish as we've covered the whole transition.
-					else if(it->range.mipLevels > 1 || it->range.arraySize > 1)
+					else if(it->subresourceRange.mipLevels > 1 || it->subresourceRange.arraySize > 1)
 					{
 						ImageRegionState existing = *it;
 
 						// remember where we were in the array, as after this iterators will be
 						// invalidated.
 						size_t offs = it - stit->second.subresourceStates.begin();
-						size_t count = it->range.mipLevels * it->range.arraySize;
+						size_t count = it->subresourceRange.mipLevels * it->subresourceRange.arraySize;
 
 						// only insert count-1 as we want count entries total - one per subresource
 						stit->second.subresourceStates.insert(it, count-1, existing);
@@ -545,12 +545,12 @@ void VulkanResourceManager::ApplyTransitions(vector< pair<ResourceId, ImageRegio
 
 						for(size_t i=0; i < count; i++)
 						{
-							it->range.mipLevels = 1;
-							it->range.arraySize = 1;
+							it->subresourceRange.mipLevels = 1;
+							it->subresourceRange.arraySize = 1;
 
 							// slice-major
-							it->range.baseArrayLayer = uint32_t(i / existing.range.mipLevels);
-							it->range.baseMipLevel = uint32_t(i % existing.range.mipLevels);
+							it->subresourceRange.baseArrayLayer = uint32_t(i / existing.subresourceRange.mipLevels);
+							it->subresourceRange.baseMipLevel = uint32_t(i % existing.subresourceRange.mipLevels);
 							it++;
 						}
 						
@@ -559,15 +559,15 @@ void VulkanResourceManager::ApplyTransitions(vector< pair<ResourceId, ImageRegio
 
 						// the loop will continue after this point and look at the next subresources
 						// so we need to check to see if the first subresource lies in the range here
-						if(it->range.baseMipLevel >= t.range.baseMipLevel &&
-						   it->range.baseMipLevel < t.range.baseMipLevel+nummips &&
-						   it->range.baseArrayLayer >= t.range.baseArrayLayer &&
-						   it->range.baseArrayLayer < t.range.baseArrayLayer+numslices)
+						if(it->subresourceRange.baseMipLevel >= t.subresourceRange.baseMipLevel &&
+						   it->subresourceRange.baseMipLevel < t.subresourceRange.baseMipLevel+nummips &&
+						   it->subresourceRange.baseArrayLayer >= t.subresourceRange.baseArrayLayer &&
+						   it->subresourceRange.baseArrayLayer < t.subresourceRange.baseArrayLayer+numslices)
 						{
 							// apply it (prevstate is from the start of all transitions, so only set once)
-							if(it->prevstate == UNTRANSITIONED_IMG_STATE)
-								it->prevstate = t.prevstate;
-							it->state = t.state;
+							if(it->oldLayout == UNTRANSITIONED_IMG_STATE)
+								it->oldLayout = t.oldLayout;
+							it->newLayout = t.newLayout;
 
 							// continue as there might be more, but we're done
 							done = true;
@@ -580,7 +580,7 @@ void VulkanResourceManager::ApplyTransitions(vector< pair<ResourceId, ImageRegio
 			}
 
 			// if we've gone past where the new subresource range would sit
-			if(it->range.aspectMask > t.range.aspectMask)
+			if(it->subresourceRange.aspectMask > t.subresourceRange.aspectMask)
 				break;
 
 			// otherwise continue to try and find the subresource range
diff --git a/renderdoc/driver/vulkan/vk_replay.cpp b/renderdoc/driver/vulkan/vk_replay.cpp
index 9ba9494a3..799c70da6 100644
--- a/renderdoc/driver/vulkan/vk_replay.cpp
+++ b/renderdoc/driver/vulkan/vk_replay.cpp
@@ -830,7 +830,7 @@ bool VulkanReplay::RenderTextureInternal(TextureDisplay cfg, VkRenderPassBeginIn
 	VkImage liveIm = m_pDriver->GetResourceManager()->GetCurrentHandle<VkImage>(cfg.texid);
 
 	// VKTODOMED handle multiple subresources with different layouts etc
-	VkImageLayout origLayout = layouts.subresourceStates[0].state;
+	VkImageLayout origLayout = layouts.subresourceStates[0].newLayout;
 	VkImageView liveImView = iminfo.view;
 
 	if(liveImView == VK_NULL_HANDLE)
diff --git a/renderdoc/driver/vulkan/vk_resources.h b/renderdoc/driver/vulkan/vk_resources.h
index 1ed63a229..c0c74912d 100644
--- a/renderdoc/driver/vulkan/vk_resources.h
+++ b/renderdoc/driver/vulkan/vk_resources.h
@@ -536,18 +536,18 @@ VkResourceType IdentifyTypeByPtr(WrappedVkRes *ptr);
 struct ImageRegionState
 {
 	ImageRegionState()
-		: prevstate(UNTRANSITIONED_IMG_STATE), state(UNTRANSITIONED_IMG_STATE)
+		: oldLayout(UNTRANSITIONED_IMG_STATE), newLayout(UNTRANSITIONED_IMG_STATE)
 	{
-		range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
-		range.baseArrayLayer = 0; range.arraySize = 0;
-		range.baseMipLevel = 0; range.mipLevels = 0;
+		subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+		subresourceRange.baseArrayLayer = 0; subresourceRange.arraySize = 0;
+		subresourceRange.baseMipLevel = 0; subresourceRange.mipLevels = 0;
 	}
 	ImageRegionState(VkImageSubresourceRange r, VkImageLayout pr, VkImageLayout st)
-	    : range(r), prevstate(pr), state(st) {}
+	    : subresourceRange(r), oldLayout(pr), newLayout(st) {}
 
-	VkImageSubresourceRange range;
-	VkImageLayout prevstate;
-	VkImageLayout state;
+	VkImageSubresourceRange subresourceRange;
+	VkImageLayout oldLayout;
+	VkImageLayout newLayout;
 };
 
 inline bool operator <(const VkDescriptorSet a, const VkDescriptorSet b)