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SwapChain: Remove unused event

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Now that we're no longer using the swap chain as a vblank timer, we can
avoid fetching the event that was previously used for synchronisation.
This commit is contained in:
reuk 2026-01-07 13:07:33 +00:00
parent cf3dbc8d88
commit 5f032cff63
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1 changed files with 2 additions and 16 deletions
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18
modules/juce_gui_basics/native/juce_Direct2DHwndContext_windows.cpp
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@ -86,7 +86,7 @@ public:
swapChainDescription.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDescription.BufferCount = 2;
swapChainDescription.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
swapChainDescription.Flags = swapChainFlags;
swapChainDescription.Flags = 0;
swapChainDescription.Scaling = DXGI_SCALING_STRETCH;
swapChainDescription.AlphaMode = DXGI_ALPHA_MODE_PREMULTIPLIED;
@ -108,10 +108,6 @@ public:
if (chain2 == nullptr)
return E_FAIL;
swapChainEvent.emplace (chain2->GetFrameLatencyWaitableObject());
if (swapChainEvent->getHandle() == INVALID_HANDLE_VALUE)
return E_NOINTERFACE;
chain2->SetMaximumFrameLatency (1);
createBuffer (adapter);
@ -136,7 +132,7 @@ public:
buffer = nullptr;
if (const auto hr = chain->ResizeBuffers (0, (UINT) scaledSize.getWidth(), (UINT) scaledSize.getHeight(), DXGI_FORMAT_B8G8R8A8_UNORM, swapChainFlags); FAILED (hr))
if (const auto hr = chain->ResizeBuffers (0, (UINT) scaledSize.getWidth(), (UINT) scaledSize.getHeight(), DXGI_FORMAT_B8G8R8A8_UNORM, 0); FAILED (hr))
return hr;
ComSmartPtr<IDXGIDevice> device;
@ -163,14 +159,6 @@ public:
return { (int) desc.Width, (int) desc.Height };
}
WindowsScopedEvent* getEvent()
{
if (swapChainEvent.has_value())
return &*swapChainEvent;
return nullptr;
}
auto getChain() const
{
return chain;
@ -181,7 +169,6 @@ public:
return buffer;
}
static constexpr uint32 swapChainFlags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
static constexpr uint32 presentSyncInterval = 1;
static constexpr uint32 presentFlags = 0;
@ -241,7 +228,6 @@ private:
AssignableDirectX directX;
ComSmartPtr<IDXGISwapChain1> chain;
ComSmartPtr<ID2D1Bitmap1> buffer;
std::optional<WindowsScopedEvent> swapChainEvent;
};
//==============================================================================