When StartFrameCapture() is called on API, also make that wnd active

renderdoc/core/core.cpp

@@ -319,7 +319,7 @@ void RenderDoc::Shutdown()
 	}
 }
 
-IFrameCapturer *RenderDoc::MatchFrameCapturer(void *dev, void *wnd)
+bool RenderDoc::MatchClosestWindow(void *&dev, void *&wnd)
 {
 	DeviceWnd dw(dev, wnd);
 
@@ -338,7 +338,25 @@ IFrameCapturer *RenderDoc::MatchFrameCapturer(void *dev, void *wnd)
 		++it;
 	}
 
-	if(it == m_WindowFrameCapturers.end())
+	if(it != m_WindowFrameCapturers.end())
+	{
+		dev = it->first.dev;
+		wnd = it->first.wnd;
+		return true;
+	}
+
+	return false;
+}
+
+IFrameCapturer *RenderDoc::MatchFrameCapturer(void *dev, void *wnd)
+{
+	DeviceWnd dw(dev, wnd);
+
+	// try and find the closest frame capture registered, and update
+	// the values in dw to point to it precisely
+	bool exactMatch = MatchClosestWindow(dw.dev, dw.wnd);
+
+	if(!exactMatch)
 	{
 		// handle off-screen rendering where there are no device/window pairs in
 		// m_WindowFrameCapturers, instead we use the first matching device frame capturer
@@ -356,6 +374,14 @@ IFrameCapturer *RenderDoc::MatchFrameCapturer(void *dev, void *wnd)
 		return NULL;
 	}
 
+	auto it = m_WindowFrameCapturers.find(dw);
+
+	if(it == m_WindowFrameCapturers.end())
+	{
+		RDCERR("Couldn't find frame capturer after exact match!");
+		return NULL;
+	}
+
 	return it->second.FrameCapturer;
 }
 

renderdoc/core/core.h

@@ -258,6 +258,8 @@ class RenderDoc
 		void SetActiveWindow(void *dev, void *wnd);
 		bool EndFrameCapture(void *dev, void *wnd);
 
+		bool MatchClosestWindow(void *&dev, void *&wnd);
+
 		bool IsActiveWindow(void *dev, void *wnd) { return dev == m_ActiveWindow.dev && wnd == m_ActiveWindow.wnd; }
 
 		void TriggerCapture() { m_Cap = true; }

renderdoc/replay/app_api.cpp

@@ -133,6 +133,12 @@ static void SetActiveWindow(void *device, void *wndHandle)
 static void StartFrameCapture(void *device, void *wndHandle)
 {
 	RenderDoc::Inst().StartFrameCapture(device, wndHandle);
+
+	if(device == NULL || wndHandle == NULL)
+		RenderDoc::Inst().MatchClosestWindow(device, wndHandle);
+
+	if(device != NULL && wndHandle != NULL)
+		RenderDoc::Inst().SetActiveWindow(device, wndHandle);
 }
 
 static uint32_t IsFrameCapturing()