diff --git a/src/Layers/xrRender/r__dsgraph_build.cpp b/src/Layers/xrRender/r__dsgraph_build.cpp
index 4d872aa2383..a556f4a1f5b 100644
--- a/src/Layers/xrRender/r__dsgraph_build.cpp
+++ b/src/Layers/xrRender/r__dsgraph_build.cpp
@@ -930,7 +930,7 @@ void D3DXRenderBase::overdrawBegin()
 {
 #if defined(USE_DX10) || defined(USE_DX11) || defined(USE_OGL)
     //  TODO: DX10: Implement overdrawBegin
-    VERIFY(!"D3DXRenderBase::overdrawBegin not implemented.");
+    VERIFY("! D3DXRenderBase::overdrawBegin not implemented.");
 #else
     // Turn stenciling
     CHK_DX(HW.pDevice->SetRenderState(D3DRS_STENCILENABLE, TRUE));
@@ -952,7 +952,7 @@ void D3DXRenderBase::overdrawEnd()
 {
 #if defined(USE_DX10) || defined(USE_DX11) || defined(USE_OGL)
     // TODO: DX10: Implement overdrawEnd
-    VERIFY(!"D3DXRenderBase::overdrawBegin not implemented.");
+    VERIFY("!D3DXRenderBase::overdrawEnd not implemented.");
 #else
     // Set up the stencil states
     CHK_DX(HW.pDevice->SetRenderState(D3DRS_STENCILZFAIL, D3DSTENCILOP_KEEP));
@@ -1027,7 +1027,7 @@ bool D3DXRenderBase::GetForceGPU_REF() { return HW.Caps.bForceGPU_REF; }
 u32 D3DXRenderBase::GetCacheStatPolys() { return RCache.stat.polys; }
 void D3DXRenderBase::Begin()
 {
-#if !defined(USE_DX10) && !defined(USE_DX11) && !defined(USE_OGL)
+#ifdef USE_DX9
     CHK_DX(HW.pDevice->BeginScene());
 #endif
     RCache.OnFrameBegin();
@@ -1061,7 +1061,7 @@ void D3DXRenderBase::End()
         overdrawEnd();
     RCache.OnFrameEnd();
     DoAsyncScreenshot();
-#if defined(USE_DX10) || defined(USE_DX11) || defined(USE_OGL)
+#ifndef USE_DX9
     bool bUseVSync = psDeviceFlags.is(rsFullscreen) && psDeviceFlags.test(rsVSync); //xxx: weird tearing glitches when VSync turned on for windowed mode in DX10\11
     HW.m_pSwapChain->Present(bUseVSync ? 1 : 0, 0);
 #else
@@ -1073,7 +1073,7 @@ void D3DXRenderBase::End()
 void D3DXRenderBase::ResourcesDestroyNecessaryTextures() { Resources->DestroyNecessaryTextures(); }
 void D3DXRenderBase::ClearTarget()
 {
-#if defined(USE_DX10) || defined(USE_DX11) || defined(USE_OGL)
+#ifndef USE_DX9
     FLOAT ColorRGBA[4] = {0.0f, 0.0f, 0.0f, 0.0f};
     HW.pContext->ClearRenderTargetView(RCache.get_RT(), ColorRGBA);
 #else