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Direct2D: Use WM_PAINT and vblank callbacks to drive painting

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reuk 2025-12-15 18:01:13 +00:00
parent 22ae5baa42
commit 258203706c
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1 changed files with 12 additions and 3 deletions
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15
modules/juce_gui_basics/native/juce_Windowing_windows.cpp
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@ -5082,16 +5082,18 @@ public:
updateRegion.findRECTAndValidate (peer.getHWND()); updateRegion.findRECTAndValidate (peer.getHWND());
for (const auto& rect : updateRegion.getRects()) for (const auto& rect : updateRegion.getRects())
repaint (D2DUtilities::toRectangle (rect)); direct2DContext->addDeferredRepaint (D2DUtilities::toRectangle (rect));
#if JUCE_DIRECT2D_METRICS #if JUCE_DIRECT2D_METRICS
lastPaintStartTicks = paintStartTicks; lastPaintStartTicks = paintStartTicks;
#endif #endif
handleDirect2DPaint();
} }
void repaint (const Rectangle<int>& area) override void repaint (const Rectangle<int>& area) override
{ {
direct2DContext->addDeferredRepaint (area); deferredRepaints.add (area);
} }
void performAnyPendingRepaintsNow() override {} void performAnyPendingRepaintsNow() override {}
@ -5103,7 +5105,13 @@ public:
void onVBlank() override void onVBlank() override
{ {
handleDirect2DPaint(); for (auto deferredRect : deferredRepaints)
{
auto r = D2DUtilities::toRECT (deferredRect);
InvalidateRect (peer.getHWND(), &r, FALSE);
}
deferredRepaints.clear();
} }
void handleShowWindow() override void handleShowWindow() override
@ -5472,6 +5480,7 @@ private:
std::unique_ptr<WrappedD2DHwndContextBase> direct2DContext = getContextForPeer (peer); std::unique_ptr<WrappedD2DHwndContextBase> direct2DContext = getContextForPeer (peer);
UpdateRegion updateRegion; UpdateRegion updateRegion;
RectangleList<int> deferredRepaints;
#if JUCE_ETW_TRACELOGGING #if JUCE_ETW_TRACELOGGING
struct ETWEventProvider struct ETWEventProvider