From 025a05d210c231c11ae9d7636a0de7b30bf9adca Mon Sep 17 00:00:00 2001
From: reuk <reuk@users.noreply.github.com>
Date: Tue, 6 Aug 2024 18:16:59 +0100
Subject: [PATCH] Windows: Remove clearWindowRedirectionBitmap()

---
 .../juce_Direct2DHwndContext_windows.cpp      | 28 -------------------
 .../native/juce_Direct2DResources_windows.cpp | 24 ----------------
 2 files changed, 52 deletions(-)

diff --git a/modules/juce_graphics/native/juce_Direct2DHwndContext_windows.cpp b/modules/juce_graphics/native/juce_Direct2DHwndContext_windows.cpp
index 6158b80e88..1302d5879c 100644
--- a/modules/juce_graphics/native/juce_Direct2DHwndContext_windows.cpp
+++ b/modules/juce_graphics/native/juce_Direct2DHwndContext_windows.cpp
@@ -490,8 +490,6 @@ public:
             if (swapChainThread)
                 swapChainThread->notify();
         }
-
-        clearWindowRedirectionBitmap();
     }
 
     void addDeferredRepaint (Rectangle<int> deferredRepaint)
@@ -515,32 +513,6 @@ public:
         updateRegion.clear();
     }
 
-    void clearWindowRedirectionBitmap()
-    {
-        if (opaque || swap.state != SwapChain::State::bufferAllocated)
-            return;
-
-        deviceResources.deviceContext.createHwndRenderTarget (hwnd);
-
-        // Clear the GDI redirection bitmap using a Direct2D 1.0 render target
-        const auto& hwndRenderTarget = deviceResources.deviceContext.hwndRenderTarget;
-
-        if (hwndRenderTarget == nullptr)
-            return;
-
-        const auto colorF = D2DUtilities::toCOLOR_F (getBackgroundTransparencyKeyColour());
-
-        RECT clientRect;
-        GetClientRect (hwnd, &clientRect);
-
-        const D2D1_SIZE_U size { (uint32) (clientRect.right  - clientRect.left),
-                                 (uint32) (clientRect.bottom - clientRect.top) };
-        hwndRenderTarget->Resize (size);
-        hwndRenderTarget->BeginDraw();
-        hwndRenderTarget->Clear (colorF);
-        hwndRenderTarget->EndDraw();
-    }
-
     SavedState* startFrame (float dpiScale) override
     {
         if (resizing)
diff --git a/modules/juce_graphics/native/juce_Direct2DResources_windows.cpp b/modules/juce_graphics/native/juce_Direct2DResources_windows.cpp
index 12af9948a8..0196ec52e9 100644
--- a/modules/juce_graphics/native/juce_Direct2DResources_windows.cpp
+++ b/modules/juce_graphics/native/juce_Direct2DResources_windows.cpp
@@ -37,28 +37,6 @@ namespace juce
 
 struct Direct2DDeviceContext
 {
-    HRESULT createHwndRenderTarget (HWND hwnd)
-    {
-        if (hwndRenderTarget != nullptr)
-            return S_OK;
-
-        SharedResourcePointer<DirectX> directX;
-
-        D2D1_SIZE_U size { 1, 1 };
-
-        D2D1_RENDER_TARGET_PROPERTIES renderTargetProps{};
-        renderTargetProps.pixelFormat.alphaMode = D2D1_ALPHA_MODE_PREMULTIPLIED;
-        renderTargetProps.pixelFormat.format = DXGI_FORMAT_B8G8R8A8_UNORM;
-
-        D2D1_HWND_RENDER_TARGET_PROPERTIES hwndRenderTargetProps{};
-        hwndRenderTargetProps.hwnd = hwnd;
-        hwndRenderTargetProps.pixelSize = size;
-        hwndRenderTargetProps.presentOptions = D2D1_PRESENT_OPTIONS_IMMEDIATELY | D2D1_PRESENT_OPTIONS_RETAIN_CONTENTS;
-        return directX->getD2DFactory()->CreateHwndRenderTarget (&renderTargetProps,
-                                                                 &hwndRenderTargetProps,
-                                                                 hwndRenderTarget.resetAndGetPointerAddress());
-    }
-
     void resetTransform()
     {
         context->SetTransform (D2D1::IdentityMatrix());
@@ -71,7 +49,6 @@ struct Direct2DDeviceContext
 
     void release()
     {
-        hwndRenderTarget = nullptr;
         context = nullptr;
     }
 
@@ -95,7 +72,6 @@ struct Direct2DDeviceContext
     }
 
     ComSmartPtr<ID2D1DeviceContext1> context;
-    ComSmartPtr<ID2D1HwndRenderTarget> hwndRenderTarget;
 };
 
 class Direct2DBitmap final