new_editor: stabilize resize lifecycle groundwork

new_editor/app/Rendering/D3D12/D3D12WindowSwapChainPresenter.cpp

@@ -2,6 +2,7 @@
 
 #include <XCEditor/Foundation/UIEditorRuntimeTrace.h>
 
+#include <chrono>
 #include <cstdint>
 #include <sstream>
 
@@ -17,6 +18,15 @@ using ::XCEngine::RHI::ResourceViewDimension;
 using ::XCEngine::RHI::SwapChainDesc;
 using ::XCEngine::RHI::SwapChainPresentMode;
 
+bool IsVerboseResizeTraceEnabled() {
+    wchar_t buffer[8] = {};
+    const DWORD length = GetEnvironmentVariableW(
+        L"XCUIEDITOR_VERBOSE_TRACE",
+        buffer,
+        static_cast<DWORD>(sizeof(buffer) / sizeof(buffer[0])));
+    return length > 0u && buffer[0] != L'0';
+}
+
 bool D3D12WindowSwapChainPresenter::Initialize(
     D3D12HostDevice& hostDevice,
     HWND hwnd,
@@ -339,7 +349,9 @@ bool D3D12WindowSwapChainPresenter::Resize(int width, int height) {
         return true;
     }
 
-    m_hostDevice->WaitForSubmittedFrames();
+    const auto waitBegin = std::chrono::steady_clock::now();
+    m_hostDevice->WaitForTrackedFrameRetirement();
+    const auto waitEnd = std::chrono::steady_clock::now();
     ReleaseBackBufferCommandReferences();
     ReleaseBackBufferViews();
 
@@ -349,10 +361,28 @@ bool D3D12WindowSwapChainPresenter::Resize(int width, int height) {
         return false;
     }
 
+    const auto resizeBuffersBegin = std::chrono::steady_clock::now();
     d3d12SwapChain->Resize(
         static_cast<std::uint32_t>(width),
         static_cast<std::uint32_t>(height));
+    const auto resizeBuffersEnd = std::chrono::steady_clock::now();
     const HRESULT resizeHr = d3d12SwapChain->GetLastResizeResult();
+    if (IsVerboseResizeTraceEnabled()) {
+        const auto waitMs =
+            std::chrono::duration_cast<std::chrono::milliseconds>(waitEnd - waitBegin).count();
+        const auto resizeBuffersMs =
+            std::chrono::duration_cast<std::chrono::milliseconds>(
+                resizeBuffersEnd - resizeBuffersBegin).count();
+        std::ostringstream trace = {};
+        trace << "swapchain resize requested="
+              << width << 'x' << height
+              << " waitForTrackedRetirementMs=" << waitMs
+              << " resizeBuffersMs=" << resizeBuffersMs
+              << " hr=0x"
+              << std::hex << std::uppercase
+              << static_cast<unsigned long>(resizeHr);
+        AppendUIEditorRuntimeTrace("resize", trace.str());
+    }
     if (FAILED(resizeHr)) {
         if (RecreateSwapChain(width, height)) {
             m_lastError.clear();