Add python function to clear replay cache

qrenderdoc/Code/CaptureContext.cpp

@@ -2005,6 +2005,13 @@ void CaptureContext::LoadEdits(const QString &data)
   }
 }
 
+void CaptureContext::ClearReplayCache()
+{
+  m_CustomNameCachedID++;
+
+  Replay().AsyncInvoke([](IReplayController *r) { r->ClearReplayCache(); });
+}
+
 bool CaptureContext::OpenRGPProfile(const rdcstr &filename)
 {
   delete m_RGP;

qrenderdoc/Code/CaptureContext.h

@@ -163,6 +163,7 @@ public:
   const ActionDescription *CurAction() override { return GetAction(CurEvent()); }
   const ActionDescription *GetFirstAction() override { return m_FirstAction; };
   const ActionDescription *GetLastAction() override { return m_LastAction; };
+  void ClearReplayCache() override;
   bool OpenRGPProfile(const rdcstr &filename) override;
   IRGPInterop *GetRGPInterop() override { return m_RGP; }
   const rdcarray<ActionDescription> &CurRootActions() override { return *m_Actions; }

qrenderdoc/Code/Interface/QRDInterface.h

@@ -2264,6 +2264,11 @@ again, any previous connection will be closed.
 )");
   virtual bool OpenRGPProfile(const rdcstr &filename) = 0;
 
+  DOCUMENT(R"(Clear any cached data from previous replays and ensure subsequent replays fully
+re-initialise any data, including e.g. bindless feedback, printf results or mesh output data.
+)");
+  virtual void ClearReplayCache() = 0;
+
   DOCUMENT(R"(Returns the current interop handle for RGP.
 
 This may return ``None`` in several cases:

qrenderdoc/Windows/PythonShell.cpp

@@ -531,6 +531,7 @@ struct CaptureContextInvoker : ObjectForwarder<ICaptureContext>
   {
     return m_Obj.GetAction(eventId);
   }
+  virtual void ClearReplayCache() override { return m_Obj.ClearReplayCache(); }
   virtual bool OpenRGPProfile(const rdcstr &filename) override
   {
     return m_Obj.OpenRGPProfile(filename);

qrenderdoc/Windows/ShaderMessageViewer.cpp

@@ -621,7 +621,7 @@ void ShaderMessageViewer::OnCaptureClosed()
 void ShaderMessageViewer::OnEventChanged(uint32_t eventId)
 {
   ResourceId shaders[NumShaderStages];
-  bool editsChanged = false;
+  bool needRefresh = false;
   QString staleReason;
 
   for(ShaderStage s : values<ShaderStage>())
@@ -632,13 +632,24 @@ void ShaderMessageViewer::OnEventChanged(uint32_t eventId)
     // either an edit has been applied, updated, or removed if these don't match
     if(shaders[idx] != m_ReplacedShaders[idx])
     {
-      editsChanged = true;
-      staleReason += QFormatStr(", %1").arg(ToQStr(s, m_API));
+      needRefresh = true;
+      if(staleReason.isEmpty())
+        staleReason = tr("there are edits to shaders typed ");
+      else
+        staleReason += lit(", ");
+      staleReason += QFormatStr("%1").arg(ToQStr(s, m_API));
     }
   }
 
+  if(!needRefresh && m_ResourceCacheID != m_Ctx.ResourceNameCacheID())
+  {
+    staleReason = tr("The replay information is out of date");
+    m_ResourceCacheID = m_Ctx.ResourceNameCacheID();
+    needRefresh = true;
+  }
+
   // if the edits haven't changed, just skip
-  if(!editsChanged)
+  if(!needRefresh)
     return;
 
   // if it's the current event we can update with the latest
@@ -656,15 +667,12 @@ void ShaderMessageViewer::OnEventChanged(uint32_t eventId)
   }
   else
   {
-    staleReason.remove(0, 2);
-
     // otherwise we can't - just update the stale status
     ui->staleStatus->show();
-    ui->staleStatus->setText(
-        tr("Messages are stale because edits to %1 shaders have changed since they were fetched.\n"
-           "Select the event @%2 to refresh.")
-            .arg(staleReason)
-            .arg(m_EID));
+    ui->staleStatus->setText(tr("Messages are stale because %1 since the messages were fetched.\n"
+                                "Select the event @%2 to refresh.")
+                                 .arg(staleReason)
+                                 .arg(m_EID));
 
     ui->messages->beginUpdate();
 

qrenderdoc/Windows/ShaderMessageViewer.h

@@ -71,6 +71,8 @@ private:
 
   bool m_Multiview = false, m_Multisampled = false;
 
+  int m_ResourceCacheID = -1;
+
   GraphicsAPI m_API;
   uint32_t m_EID;
   const ActionDescription *m_Action;