diff --git a/DDrawCompat/D3dDdi/Device.cpp b/DDrawCompat/D3dDdi/Device.cpp
index 3cc7a09..e8177f1 100644
--- a/DDrawCompat/D3dDdi/Device.cpp
+++ b/DDrawCompat/D3dDdi/Device.cpp
@@ -62,6 +62,18 @@ namespace D3dDdi
 		return result;
 	}
 
+	Device* Device::findDeviceByResource(HANDLE resource)
+	{
+		for (auto& device : s_devices)
+		{
+			if (device.second.m_resources.find(resource) != device.second.m_resources.end())
+			{
+				return &device.second;
+			}
+		}
+		return nullptr;
+	}
+
 	Resource* Device::findResource(HANDLE resource)
 	{
 		for (auto& device : s_devices)
@@ -206,15 +218,9 @@ namespace D3dDdi
 	HRESULT Device::pfnDestroyResource(HANDLE resource)
 	{
 		flushPrimitives();
-		if (g_gdiResource && resource == *g_gdiResource)
+		if (g_gdiResource)
 		{
-			D3DDDIARG_LOCK lock = {};
-			lock.hResource = *g_gdiResource;
-			g_gdiResource->lock(lock);
-
-			D3DDDIARG_UNLOCK unlock = {};
-			unlock.hResource = *g_gdiResource;
-			g_gdiResource->unlock(unlock);
+			g_gdiResource->onDestroyResource(resource);
 		}
 
 		if (resource == m_sharedPrimary)
diff --git a/DDrawCompat/D3dDdi/Device.h b/DDrawCompat/D3dDdi/Device.h
index ee8a377..d494722 100644
--- a/DDrawCompat/D3dDdi/Device.h
+++ b/DDrawCompat/D3dDdi/Device.h
@@ -63,6 +63,7 @@ namespace D3dDdi
 		static Device& get(HANDLE device) { return s_devices.find(device)->second; }
 
 		static void enableFlush(bool enable) { s_isFlushEnabled = enable; }
+		static Device* findDeviceByResource(HANDLE resource);
 		static Resource* findResource(HANDLE resource);
 		static Resource* getGdiResource();
 		static void setGdiResourceHandle(HANDLE resource);
diff --git a/DDrawCompat/D3dDdi/DeviceState.cpp b/DDrawCompat/D3dDdi/DeviceState.cpp
index 73a1c7a..912b128 100644
--- a/DDrawCompat/D3dDdi/DeviceState.cpp
+++ b/DDrawCompat/D3dDdi/DeviceState.cpp
@@ -593,9 +593,21 @@ namespace D3dDdi
 		m_changedStates |= CS_STREAM_SOURCE;
 	}
 
-	void DeviceState::setTempTexture(UINT stage, HANDLE texture)
+	void DeviceState::setTempTexture(UINT stage, HANDLE texture, const UINT* srcColorKey)
 	{
-		setTexture(stage, texture);
+		if (srcColorKey)
+		{
+			m_current.textures[stage] = nullptr;
+			m_current.textureStageState[stage][D3DDDITSS_DISABLETEXTURECOLORKEY] = 0;
+			m_current.textureStageState[stage][D3DDDITSS_TEXTURECOLORKEYVAL] = *srcColorKey + 1;
+			setTexture(stage, texture);
+			setTextureStageState({ stage, D3DDDITSS_TEXTURECOLORKEYVAL, *srcColorKey });
+		}
+		else
+		{
+			setTexture(stage, texture);
+		}
+
 		m_changedStates |= CS_TEXTURE_STAGE;
 		m_maxChangedTextureStage = max(stage, m_maxChangedTextureStage);
 	}
@@ -820,6 +832,7 @@ namespace D3dDdi
 		m_device.getOrigVtable().pfnSetTextureStageState(m_device, &tss);
 		m_changedTextureStageStates[stage].reset(D3DDDITSS_DISABLETEXTURECOLORKEY);
 		m_changedTextureStageStates[stage].reset(D3DDDITSS_TEXTURECOLORKEYVAL);
+		LOG_DS << tss;
 	}
 
 	void DeviceState::updateTextureStages()
diff --git a/DDrawCompat/D3dDdi/DeviceState.h b/DDrawCompat/D3dDdi/DeviceState.h
index e6b591f..75dc3f7 100644
--- a/DDrawCompat/D3dDdi/DeviceState.h
+++ b/DDrawCompat/D3dDdi/DeviceState.h
@@ -88,7 +88,7 @@ namespace D3dDdi
 		void setTempRenderTarget(const D3DDDIARG_SETRENDERTARGET& renderTarget);
 		void setTempStreamSource(const D3DDDIARG_SETSTREAMSOURCE& streamSource);
 		void setTempStreamSourceUm(const D3DDDIARG_SETSTREAMSOURCEUM& streamSourceUm, const void* umBuffer);
-		void setTempTexture(UINT stage, HANDLE texture);
+		void setTempTexture(UINT stage, HANDLE texture, const UINT* srcColorKey = nullptr);
 		void setTempTextureStageState(const D3DDDIARG_TEXTURESTAGESTATE& tss);
 		void setTempVertexShaderDecl(HANDLE decl);
 		void setTempViewport(const D3DDDIARG_VIEWPORTINFO& viewport);
diff --git a/DDrawCompat/D3dDdi/Resource.cpp b/DDrawCompat/D3dDdi/Resource.cpp
index 3380300..3e3df3a 100644
--- a/DDrawCompat/D3dDdi/Resource.cpp
+++ b/DDrawCompat/D3dDdi/Resource.cpp
@@ -13,6 +13,7 @@
 #include <DDraw/Blitter.h>
 #include <DDraw/RealPrimarySurface.h>
 #include <DDraw/Surfaces/PrimarySurface.h>
+#include <DDraw/Surfaces/SurfaceImpl.h>
 #include <Gdi/Cursor.h>
 #include <Gdi/Palette.h>
 #include <Gdi/VirtualScreen.h>
@@ -188,6 +189,7 @@ namespace D3dDdi
 			return S_OK;
 		}
 
+		DDraw::setBltSrc(data);
 		auto srcResource = m_device.getResource(data.hSrcResource);
 		if (srcResource)
 		{
@@ -623,6 +625,13 @@ namespace D3dDdi
 
 	HRESULT Resource::lock(D3DDDIARG_LOCK& data)
 	{
+		D3DDDIARG_BLT blt = {};
+		DDraw::setBltSrc(blt);
+		if (blt.hSrcResource)
+		{
+			return E_ABORT;
+		}
+
 		if (isOversized())
 		{
 			if (0 != data.SubResourceIndex ||
@@ -657,6 +666,16 @@ namespace D3dDdi
 		m_device.getOrigVtable().pfnUnlock(m_device, &unlock);
 	}
 
+	void Resource::onDestroyResource(HANDLE resource)
+	{
+		if (resource == m_handle ||
+			m_msaaSurface.resource && *m_msaaSurface.resource == resource ||
+			m_msaaResolvedSurface.resource && *m_msaaResolvedSurface.resource == resource)
+		{
+			loadSysMemResource(0);
+		}
+	}
+
 	Resource& Resource::prepareForBltSrc(const D3DDDIARG_BLT& data)
 	{
 		if (m_lockResource)
@@ -868,7 +887,7 @@ namespace D3dDdi
 		UINT dstIndex = data.DstSubResourceIndex;
 		RECT dstRect = data.DstRect;
 
-		if (!srcResource.m_fixedData.Flags.Texture)
+		if (!srcResource.m_fixedData.Flags.Texture || D3DDDIPOOL_SYSTEMMEM == srcResource.m_fixedData.Pool)
 		{
 			DWORD width = data.SrcRect.right - data.SrcRect.left;
 			DWORD height = data.SrcRect.bottom - data.SrcRect.top;
diff --git a/DDrawCompat/D3dDdi/Resource.h b/DDrawCompat/D3dDdi/Resource.h
index 85139e6..cc5d18a 100644
--- a/DDrawCompat/D3dDdi/Resource.h
+++ b/DDrawCompat/D3dDdi/Resource.h
@@ -34,6 +34,7 @@ namespace D3dDdi
 		HRESULT colorFill(D3DDDIARG_COLORFILL data);
 		void* getLockPtr(UINT subResourceIndex);
 		HRESULT lock(D3DDDIARG_LOCK& data);
+		void onDestroyResource(HANDLE resource);
 		Resource& prepareForBltSrc(const D3DDDIARG_BLT& data);
 		Resource& prepareForBltDst(D3DDDIARG_BLT& data);
 		void prepareForCpuRead(UINT subResourceIndex);
diff --git a/DDrawCompat/D3dDdi/ShaderBlitter.cpp b/DDrawCompat/D3dDdi/ShaderBlitter.cpp
index 89b1ad8..16058f5 100644
--- a/DDrawCompat/D3dDdi/ShaderBlitter.cpp
+++ b/DDrawCompat/D3dDdi/ShaderBlitter.cpp
@@ -65,11 +65,7 @@ namespace D3dDdi
 		state.setTempRenderState({ D3DDDIRS_COLORWRITEENABLE, 0xF });
 		state.setTempRenderState({ D3DDDIRS_SRGBWRITEENABLE, D3DTEXF_LINEAR == filter });
 
-		setTempTextureStage(0, srcResource, filter);
-		if (srcColorKey)
-		{
-			state.setTempTextureStageState({ 0, D3DDDITSS_TEXTURECOLORKEYVAL, *srcColorKey });
-		}
+		setTempTextureStage(0, srcResource, filter, srcColorKey);
 
 		struct Vertex
 		{
@@ -241,10 +237,10 @@ namespace D3dDdi
 		blt(dstResource, dstSubResourceIndex, dstRect, srcResource, 0, srcRect, m_psPaletteLookup.get(), D3DTEXF_POINT);
 	}
 
-	void ShaderBlitter::setTempTextureStage(UINT stage, HANDLE texture, UINT filter)
+	void ShaderBlitter::setTempTextureStage(UINT stage, HANDLE texture, UINT filter, const UINT* srcColorKey)
 	{
 		auto& state = m_device.getState();
-		state.setTempTexture(stage, texture);
+		state.setTempTexture(stage, texture, srcColorKey);
 		state.setTempTextureStageState({ stage, D3DDDITSS_ADDRESSU, D3DTADDRESS_CLAMP });
 		state.setTempTextureStageState({ stage, D3DDDITSS_ADDRESSV, D3DTADDRESS_CLAMP });
 		state.setTempTextureStageState({ stage, D3DDDITSS_MAGFILTER, filter });
diff --git a/DDrawCompat/D3dDdi/ShaderBlitter.h b/DDrawCompat/D3dDdi/ShaderBlitter.h
index 619038d..be7a103 100644
--- a/DDrawCompat/D3dDdi/ShaderBlitter.h
+++ b/DDrawCompat/D3dDdi/ShaderBlitter.h
@@ -42,7 +42,7 @@ namespace D3dDdi
 
 		std::unique_ptr<void, ResourceDeleter> createPixelShader(const BYTE* code, UINT size);
 		std::unique_ptr<void, ResourceDeleter> createVertexShaderDecl();
-		void setTempTextureStage(UINT stage, HANDLE texture, UINT filter);
+		void setTempTextureStage(UINT stage, HANDLE texture, UINT filter, const UINT* srcColorKey = nullptr);
 
 		Device& m_device;
 		std::unique_ptr<void, ResourceDeleter> m_psDrawCursor;
diff --git a/DDrawCompat/DDraw/DirectDrawSurface.h b/DDrawCompat/DDraw/DirectDrawSurface.h
index 85be636..614362c 100644
--- a/DDrawCompat/DDraw/DirectDrawSurface.h
+++ b/DDrawCompat/DDraw/DirectDrawSurface.h
@@ -22,7 +22,13 @@ namespace DDraw
 		template <typename TSurface>
 		HANDLE getDriverResourceHandle(TSurface& surface)
 		{
-			return *reinterpret_cast<HANDLE*>(getRuntimeResourceHandle(surface));
+			return reinterpret_cast<HANDLE*>(getRuntimeResourceHandle(surface))[0];
+		}
+
+		template <typename TSurface>
+		UINT getSubResourceIndex(TSurface& surface)
+		{
+			return reinterpret_cast<UINT*>(getRuntimeResourceHandle(surface))[1];
 		}
 
 		template <typename Vtable>
diff --git a/DDrawCompat/DDraw/Surfaces/Surface.cpp b/DDrawCompat/DDraw/Surfaces/Surface.cpp
index 05e9b12..7f12b44 100644
--- a/DDrawCompat/DDraw/Surfaces/Surface.cpp
+++ b/DDrawCompat/DDraw/Surfaces/Surface.cpp
@@ -1,8 +1,6 @@
 #include <initguid.h>
 
 #include <Common/CompatPtr.h>
-#include <D3dDdi/Device.h>
-#include <D3dDdi/Resource.h>
 #include <DDraw/DirectDrawClipper.h>
 #include <DDraw/DirectDrawSurface.h>
 #include <DDraw/Surfaces/Surface.h>
diff --git a/DDrawCompat/DDraw/Surfaces/SurfaceImpl.cpp b/DDrawCompat/DDraw/Surfaces/SurfaceImpl.cpp
index 9727dbc..07ea92e 100644
--- a/DDrawCompat/DDraw/Surfaces/SurfaceImpl.cpp
+++ b/DDrawCompat/DDraw/Surfaces/SurfaceImpl.cpp
@@ -1,6 +1,11 @@
 #include <set>
 
+#include <d3d.h>
+#include <d3dumddi.h>
+
 #include <Common/CompatPtr.h>
+#include <D3dDdi/Device.h>
+#include <D3dDdi/SurfaceRepository.h>
 #include <DDraw/DirectDrawClipper.h>
 #include <DDraw/DirectDrawSurface.h>
 #include <DDraw/RealPrimarySurface.h>
@@ -9,6 +14,83 @@
 #include <DDraw/Surfaces/SurfaceImpl.h>
 #include <Dll/Dll.h>
 
+namespace
+{
+	HANDLE g_bltSrcResource = nullptr;
+	UINT g_bltSrcSubResourceIndex = 0;
+	RECT g_bltSrcRect = {};
+
+	template <typename TSurface>
+	typename DDraw::Types<TSurface>::TSurfaceDesc getDesc(TSurface* This)
+	{
+		DDraw::Types<TSurface>::TSurfaceDesc desc = {};
+		desc.dwSize = sizeof(desc);
+		getOrigVtable(This).GetSurfaceDesc(This, &desc);
+		return desc;
+	}
+
+	template <typename TSurfaceDesc>
+	RECT getRect(LPRECT rect, const TSurfaceDesc& desc)
+	{
+		return rect ? *rect : RECT{ 0, 0, static_cast<LONG>(desc.dwWidth), static_cast<LONG>(desc.dwHeight) };
+	}
+
+	template <typename TSurface, typename BltFunc>
+	HRESULT blt(TSurface* This, TSurface* lpDDSrcSurface, LPRECT lpSrcRect, BltFunc bltFunc)
+	{
+		if (!lpDDSrcSurface)
+		{
+			return bltFunc(This, lpDDSrcSurface, lpSrcRect);
+		}
+
+		auto dstDesc = getDesc(This);
+		if (!(dstDesc.ddsCaps.dwCaps & DDSCAPS_3DDEVICE) || !(dstDesc.ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY))
+		{
+			return bltFunc(This, lpDDSrcSurface, lpSrcRect);
+		}
+
+		auto srcDesc = getDesc(lpDDSrcSurface);
+		if (!(srcDesc.ddsCaps.dwCaps & DDSCAPS_SYSTEMMEMORY))
+		{
+			return bltFunc(This, lpDDSrcSurface, lpSrcRect);
+		}
+
+		auto srcResource = DDraw::DirectDrawSurface::getDriverResourceHandle(*lpDDSrcSurface);
+		auto device = D3dDdi::Device::findDeviceByResource(srcResource);
+		if (!device)
+		{
+			return bltFunc(This, lpDDSrcSurface, lpSrcRect);
+		}
+
+		auto& repo = D3dDdi::SurfaceRepository::get(device->getAdapter());
+		RECT srcRect = getRect(lpSrcRect, srcDesc);
+		auto& tex = repo.getTempTexture(srcRect.right - srcRect.left, srcRect.bottom - srcRect.top,
+			srcDesc.ddpfPixelFormat);
+		if (!tex.resource)
+		{
+			return bltFunc(This, lpDDSrcSurface, lpSrcRect);
+		}
+
+		CompatPtr<TSurface> newSrcSurface(tex.surface);
+		DDCOLORKEY ck = {};
+		HRESULT result = getOrigVtable(This).GetColorKey(lpDDSrcSurface, DDCKEY_SRCBLT, &ck);
+		getOrigVtable(This).SetColorKey(newSrcSurface, DDCKEY_SRCBLT, SUCCEEDED(result) ? &ck : nullptr);
+
+		g_bltSrcResource = srcResource;
+		g_bltSrcSubResourceIndex = DDraw::DirectDrawSurface::getSubResourceIndex(*lpDDSrcSurface);
+		g_bltSrcRect = getRect(lpSrcRect, srcDesc);
+
+		RECT r = { 0, 0, g_bltSrcRect.right - g_bltSrcRect.left, g_bltSrcRect.bottom - g_bltSrcRect.top };
+		result = bltFunc(This, newSrcSurface, &r);
+
+		g_bltSrcResource = nullptr;
+		g_bltSrcSubResourceIndex = 0;
+		g_bltSrcRect = {};
+
+		return SUCCEEDED(result) ? DD_OK : bltFunc(This, lpDDSrcSurface, lpSrcRect);
+	}
+}
+
 namespace DDraw
 {
 	template <typename TSurface>
@@ -29,7 +111,8 @@ namespace DDraw
 	{
 		RealPrimarySurface::waitForFlip(m_data);
 		DirectDrawClipper::update();
-		return getOrigVtable(This).Blt(This, lpDestRect, lpDDSrcSurface, lpSrcRect, dwFlags, lpDDBltFx);
+		return blt(This, lpDDSrcSurface, lpSrcRect, [=](TSurface* This, TSurface* lpDDSrcSurface, LPRECT lpSrcRect)
+			{ return getOrigVtable(This).Blt(This, lpDestRect, lpDDSrcSurface, lpSrcRect, dwFlags, lpDDBltFx); });
 	}
 
 	template <typename TSurface>
@@ -37,7 +120,8 @@ namespace DDraw
 		TSurface* This, DWORD dwX, DWORD dwY, TSurface* lpDDSrcSurface, LPRECT lpSrcRect, DWORD dwTrans)
 	{
 		RealPrimarySurface::waitForFlip(m_data);
-		return getOrigVtable(This).BltFast(This, dwX, dwY, lpDDSrcSurface, lpSrcRect, dwTrans);
+		return blt(This, lpDDSrcSurface, lpSrcRect, [=](TSurface* This, TSurface* lpDDSrcSurface, LPRECT lpSrcRect)
+			{ return getOrigVtable(This).BltFast(This, dwX, dwY, lpDDSrcSurface, lpSrcRect, dwTrans); });
 	}
 
 	template <typename TSurface>
@@ -191,4 +275,14 @@ namespace DDraw
 	template SurfaceImpl<IDirectDrawSurface3>;
 	template SurfaceImpl<IDirectDrawSurface4>;
 	template SurfaceImpl<IDirectDrawSurface7>;
+
+	void setBltSrc(D3DDDIARG_BLT& data)
+	{
+		if (g_bltSrcResource)
+		{
+			data.hSrcResource = g_bltSrcResource;
+			data.SrcSubResourceIndex = g_bltSrcSubResourceIndex;
+			OffsetRect(&data.SrcRect, g_bltSrcRect.left, g_bltSrcRect.top);
+		}
+	}
 }
diff --git a/DDrawCompat/DDraw/Surfaces/SurfaceImpl.h b/DDrawCompat/DDraw/Surfaces/SurfaceImpl.h
index 34b9592..bf579b0 100644
--- a/DDrawCompat/DDraw/Surfaces/SurfaceImpl.h
+++ b/DDrawCompat/DDraw/Surfaces/SurfaceImpl.h
@@ -7,6 +7,8 @@
 #include <Common/CompatVtable.h>
 #include <DDraw/Types.h>
 
+struct _D3DDDIARG_BLT;
+
 namespace DDraw
 {
 	class Surface;
@@ -46,4 +48,6 @@ namespace DDraw
 	private:
 		void restoreOrigCaps(DWORD& caps);
 	};
+
+	void setBltSrc(_D3DDDIARG_BLT& data);
 }