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[RenderSystemDX] increase buffer count. this improve performance on l…
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…ow powered systems.
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Anton Fedchin committed Apr 24, 2016
1 parent 49e0dde commit f0b95b4
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions xbmc/rendering/dx/RenderSystemDX.cpp
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Expand Up @@ -840,7 +840,7 @@ bool CRenderSystemDX::CreateWindowSizeDependentResources()
DXGI_SWAP_CHAIN_DESC1 scDesc1 = { 0 };
scDesc1.Width = m_nBackBufferWidth;
scDesc1.Height = m_nBackBufferHeight;
scDesc1.BufferCount = 2 + 3 * bHWStereoEnabled;
scDesc1.BufferCount = 3 * (1 + bHWStereoEnabled);
scDesc1.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
scDesc1.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc1.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED;
Expand Down Expand Up @@ -891,7 +891,7 @@ bool CRenderSystemDX::CreateWindowSizeDependentResources()
else
{
// DirectX 11.0 systems
scDesc.BufferCount = 2; // Use double buffering to minimize latency.
scDesc.BufferCount = 3;
scDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc.OutputWindow = m_hFocusWnd;
scDesc.Windowed = m_useWindowedDX;
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3 comments on commit f0b95b4

@FernetMenta
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you know that this ruins a/v sync, don't you?

@afedchin
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this includes front buffer also, iirc we expect triple buffering, don't we?

@FernetMenta
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@FernetMenta FernetMenta commented on f0b95b4 Apr 25, 2016 •
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nope, we expect double buffers. this is why I did this: #8675
If you have time, you are welcome to finish it

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