diff --git a/source/EveryRay_Core/Common.h b/source/EveryRay_Core/Common.h
index 220e5830..a8547020 100644
--- a/source/EveryRay_Core/Common.h
+++ b/source/EveryRay_Core/Common.h
@@ -85,6 +85,8 @@ using namespace DirectX;
 #define ER_GPU_BUFFER_ALIGNMENT 256
 #endif
 
+#define ER_PLATFORM_SUPPORTS_IMMEDIATE_CONTEXT ER_PLATFORM_WIN64_DX11
+
 #define NUM_SHADOW_CASCADES 3
 #define MAX_LOD 3
 #define MAX_MESH_COUNT 32 // should match with IndirectCulling.hlsli
diff --git a/source/EveryRay_Core/ER_FoliageManager.cpp b/source/EveryRay_Core/ER_FoliageManager.cpp
index 4ffccdef..ea200a74 100644
--- a/source/EveryRay_Core/ER_FoliageManager.cpp
+++ b/source/EveryRay_Core/ER_FoliageManager.cpp
@@ -323,7 +323,7 @@ namespace EveryRay_Core
 				mOutputPositionsOnTerrainBuffer->CreateGPUBufferResource(rhi, mCurrentPositions, mPatchesCount, sizeof(XMFLOAT4), false, ER_BIND_NONE, 0x10000L | 0x20000L /*legacy from DX11*/, ER_RESOURCE_MISC_BUFFER_STRUCTURED); //should be STAGING
 
 				terrain->PlaceOnTerrain(mOutputPositionsOnTerrainBuffer, mInputPositionsOnTerrainBuffer, mCurrentPositions, mPatchesCount, (TerrainSplatChannels)mTerrainSplatChannel, nullptr, 0, mPlacementHeightDelta);
-#ifndef ER_PLATFORM_WIN64_DX11
+#if !ER_PLATFORM_SUPPORTS_IMMEDIATE_CONTEXT
 				std::string eventName = "On-terrain placement callback - initialization of foliage: " + mName;
 				terrain->ReadbackPlacedPositionsOnInitEvent->AddListener(eventName, [&](ER_Terrain* aTerrain)
 					{ 
@@ -582,7 +582,7 @@ namespace EveryRay_Core
 						mOutputPositionsOnTerrainBuffer->CreateGPUBufferResource(rhi, mCurrentPositions, mPatchesCount, sizeof(XMFLOAT4), false, ER_BIND_NONE, 0x10000L | 0x20000L /*legacy from DX11*/, ER_RESOURCE_MISC_BUFFER_STRUCTURED); //should be STAGING
 
 						terrain->PlaceOnTerrain(mOutputPositionsOnTerrainBuffer, mInputPositionsOnTerrainBuffer, mCurrentPositions, mPatchesCount, currentChannel, nullptr, 0, mPlacementHeightDelta);
-#ifndef ER_PLATFORM_WIN64_DX11
+#if !ER_PLATFORM_SUPPORTS_IMMEDIATE_CONTEXT
 						std::string eventName = "On-terrain placement callback - update of foliage: " + mName;
 						terrain->ReadbackPlacedPositionsOnUpdateEvent->AddListener(eventName, [&](ER_Terrain* aTerrain)
 							{
diff --git a/source/EveryRay_Core/ER_LightProbesManager.cpp b/source/EveryRay_Core/ER_LightProbesManager.cpp
index 3407d7c3..b9b38a71 100644
--- a/source/EveryRay_Core/ER_LightProbesManager.cpp
+++ b/source/EveryRay_Core/ER_LightProbesManager.cpp
@@ -900,7 +900,7 @@ namespace EveryRay_Core
 
 		ER_RHI_GPUBuffer* finalGPUBuffer = (aType == DIFFUSE_PROBE) ? mDiffuseProbesPositionsGPUBuffer : mSpecularProbesPositionsGPUBuffer;
 
-#ifndef ER_PLATFORM_WIN64_DX11
+#if !ER_PLATFORM_SUPPORTS_IMMEDIATE_CONTEXT
 		const std::string probeTypeName = (aType == DIFFUSE_PROBE) ? "diffuse" : "specular";
 		const std::string eventName = "On-terrain placement callback - placement of probes: " + probeTypeName;
 		terrain->ReadbackPlacedPositionsOnInitEvent->AddListener(eventName, 
diff --git a/source/EveryRay_Core/ER_LightProbesManager.h b/source/EveryRay_Core/ER_LightProbesManager.h
index 0749a827..06295845 100644
--- a/source/EveryRay_Core/ER_LightProbesManager.h
+++ b/source/EveryRay_Core/ER_LightProbesManager.h
@@ -73,7 +73,7 @@ namespace EveryRay_Core
 		ER_RHI_GPUBuffer* GetSpecularProbesPositionsBuffer() const { return mSpecularProbesPositionsGPUBuffer; }
 		float GetDistanceBetweenSpecularProbes() { return mDistanceBetweenSpecularProbes; }
 
-		ER_RHI_GPUTexture* GetIntegrationMap() { return mIntegrationMapTextureSRV; }
+		ER_RHI_GPUTexture* GetIntegrationMap() const { return mIntegrationMapTextureSRV; }
 		
 		XMFLOAT4 GetProbesCellsCount(ER_ProbeType aType);
 		const XMFLOAT3& GetSceneProbesVolumeMin() { return mSceneProbesMinBounds; }
diff --git a/source/EveryRay_Core/ER_RenderingObject.cpp b/source/EveryRay_Core/ER_RenderingObject.cpp
index 648d401e..bae40629 100644
--- a/source/EveryRay_Core/ER_RenderingObject.cpp
+++ b/source/EveryRay_Core/ER_RenderingObject.cpp
@@ -802,7 +802,7 @@ namespace EveryRay_Core
 				terrain->PlaceOnTerrain(mOutputPositionsOnTerrainBuffer, mInputPositionsOnTerrainBuffer, &currentPos, 1, (TerrainSplatChannels)mTerrainProceduralPlacementSplatChannel,
 					nullptr, 0, abs(mTerrainProceduralPlacementHeightDelta) < std::numeric_limits<float>::epsilon() ? FLT_MAX : mTerrainProceduralPlacementHeightDelta);
 			
-#ifndef ER_PLATFORM_WIN64_DX11
+#if !ER_PLATFORM_SUPPORTS_IMMEDIATE_CONTEXT
 				std::string eventName = "On-terrain placement callback - initialization of ER_RenderingObject: " + mName;
 				terrain->ReadbackPlacedPositionsOnInitEvent->AddListener(eventName, [&](ER_Terrain* aTerrain)
 					{
@@ -848,7 +848,7 @@ namespace EveryRay_Core
 				terrain->PlaceOnTerrain(mOutputPositionsOnTerrainBuffer, mInputPositionsOnTerrainBuffer, mTempInstancesPositions, mInstanceCount, (TerrainSplatChannels)mTerrainProceduralPlacementSplatChannel,
 					nullptr, 0, abs(mTerrainProceduralPlacementHeightDelta) < std::numeric_limits<float>::epsilon() ? FLT_MAX : mTerrainProceduralPlacementHeightDelta);
 				
-#ifndef ER_PLATFORM_WIN64_DX11
+#if !ER_PLATFORM_SUPPORTS_IMMEDIATE_CONTEXT
 				std::string eventName = "On-terrain placement callback - initialization of ER_RenderingObject: " + mName;
 				terrain->ReadbackPlacedPositionsOnInitEvent->AddListener(eventName, [&](ER_Terrain* aTerrain)
 					{
diff --git a/source/EveryRay_Core/ER_Terrain.cpp b/source/EveryRay_Core/ER_Terrain.cpp
index 5579c2c9..eb9c91ba 100644
--- a/source/EveryRay_Core/ER_Terrain.cpp
+++ b/source/EveryRay_Core/ER_Terrain.cpp
@@ -1119,11 +1119,10 @@ namespace EveryRay_Core
 
 		rhi->EndEventTag();
 
-#ifdef ER_PLATFORM_WIN64_DX11
+#if ER_PLATFORM_SUPPORTS_IMMEDIATE_CONTEXT
 		if (needsCPUReadback)
 			ReadbackPlacedPositions(outputBuffer, inputBuffer, positions, positionsCount); //direct readback in the dx11 immediate context
 #endif
-
 	}
 
 	// Read-back (GPU to CPU) new positions from placement compute pass
diff --git a/source/EveryRay_Core/ER_Utility.h b/source/EveryRay_Core/ER_Utility.h
index c253feb5..d62a134b 100644
--- a/source/EveryRay_Core/ER_Utility.h
+++ b/source/EveryRay_Core/ER_Utility.h
@@ -11,7 +11,7 @@ static float clearColorBlack[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
 static float clearColorWhite[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
 static float clearColorRed[4]	= { 1.0f, 0.0f, 0.0f, 1.0f };
 
-static std::string engineVersionString = "v1.1";
+static std::string engineVersionString = "v1.1.1";
 
 namespace EveryRay_Core
 {