inline SetViewport into VertexShaderManager

Source/Core/VideoBackends/D3D/Render.cpp

@@ -486,6 +486,10 @@ void Renderer::SetViewport()
 	// [4] = yorig + height/2 + 342
 	// [5] = 16777215 * farz
 
+	// D3D crashes for zero viewports
+	if (xfregs.viewport.wd == 0 || xfregs.viewport.ht == 0)
+		return;
+
 	int scissorXOff = bpmem.scissorOffset.x * 2;
 	int scissorYOff = bpmem.scissorOffset.y * 2;
 

Source/Core/VideoCommon/RenderBase.cpp

@@ -512,12 +512,6 @@ void Renderer::RecordVideoMemory()
 	FifoRecorder::GetInstance().SetVideoMemory(bpMem, cpMem, xfMem, xfRegs, sizeof(XFRegisters) / 4);
 }
 
-void SetViewport()
-{
-	if (xfregs.viewport.wd != 0 && xfregs.viewport.ht != 0)
-		g_renderer->SetViewport();
-}
-
 void Renderer::Swap(u32 xfbAddr, u32 fbWidth, u32 fbHeight, const EFBRectangle& rc, float Gamma)
 {
 	// TODO: merge more generic parts into VideoCommon

Source/Core/VideoCommon/RenderBase.h

@@ -160,5 +160,3 @@ private:
 
 extern Renderer *g_renderer;
 
-extern void SetViewport();
-

Source/Core/VideoCommon/VertexShaderManager.cpp

@@ -372,7 +372,7 @@ void VertexShaderManager::SetConstants()
 		constants.depthparams[1] = xfregs.viewport.zRange / 16777216.0f;
 		dirty = true;
 		// This is so implementation-dependent that we can't have it here.
-		SetViewport();
+		g_renderer->SetViewport();
 		
 		// Update projection if the viewport isn't 1:1 useable
 		if(!g_ActiveConfig.backend_info.bSupportsOversizedViewports)