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[host] dxgi: performance improvements
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2f2813037b
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@ -265,7 +265,6 @@ void DXGI::WaitForDesktop()
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GrabStatus DXGI::GrabFrame(FrameInfo & frame)
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{
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TRACE;
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if (!m_initialized)
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return GRAB_STATUS_ERROR;
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@ -303,6 +302,7 @@ GrabStatus DXGI::GrabFrame(FrameInfo & frame)
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{
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if (!m_surfaceMapped)
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continue;
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m_memcpy.Wake();
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// send the last frame again if we timeout to prevent the client stalling on restart
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frame.width = m_width;
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@ -416,6 +416,10 @@ GrabStatus DXGI::GrabFrame(FrameInfo & frame)
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return GRAB_STATUS_ERROR;
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}
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TRACE_START("DXGI Memory Copy");
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// wake up the copy threads
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m_memcpy.Wake();
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ID3D11Texture2DPtr src(res);
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res.Release();
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if (!src)
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@ -427,12 +431,6 @@ GrabStatus DXGI::GrabFrame(FrameInfo & frame)
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m_deviceContext->CopyResource(m_texture, src);
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src.Release();
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if (m_surfaceMapped)
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{
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m_deviceContext->Unmap(m_texture, 0);
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m_surfaceMapped = false;
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}
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status = m_deviceContext->Map(m_texture, 0, D3D11_MAP_READ, 0, &m_mapping);
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if (FAILED(status))
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{
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@ -445,10 +443,9 @@ GrabStatus DXGI::GrabFrame(FrameInfo & frame)
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frame.width = m_width;
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frame.height = m_height;
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frame.pitch = m_mapping.RowPitch;
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frame.stride = m_mapping.RowPitch / 4;
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unsigned int size = m_height * m_mapping.RowPitch;
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frame.stride = m_mapping.RowPitch >> 2;
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TRACE_START("DXGI Memory Copy");
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const unsigned int size = m_height * m_mapping.RowPitch;
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m_memcpy.Copy(frame.buffer, m_mapping.pData, size < frame.bufferSize ? size : frame.bufferSize);
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TRACE_END;
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