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[host] DXGI capture improvements

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This commit is contained in:
Geoffrey McRae 2018-09-26 21:20:17 +10:00
parent e70928d603
commit 3cd152c9d5
3 changed files with 41 additions and 11 deletions
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32
host/Capture/DXGI.cpp
View File

@ -86,8 +86,18 @@ bool DXGI::Initialize(CaptureOptions * options)
return false;
}
DXGI_ADAPTER_DESC1 adapterDesc;
adapter->GetDesc1(&adapterDesc);
DEBUG_INFO("Device Descripion: %ls" , adapterDesc.Description);
DEBUG_INFO("Device Vendor ID : 0x%x" , adapterDesc.VendorId);
DEBUG_INFO("Device Device ID : 0x%x" , adapterDesc.DeviceId);
DEBUG_INFO("Device Video Mem : %5u MB", adapterDesc.DedicatedVideoMemory / 1048576);
DEBUG_INFO("Device Sys Mem : %5u MB", adapterDesc.DedicatedSystemMemory / 1048576);
DEBUG_INFO("Shared Sys Mem : %5u MB", adapterDesc.SharedSystemMemory / 1048576);
m_width = outputDesc.DesktopCoordinates.right - outputDesc.DesktopCoordinates.left;
m_height = outputDesc.DesktopCoordinates.bottom - outputDesc.DesktopCoordinates.top;
DEBUG_INFO("Capture Size : %u x %u", m_width, m_height);
done = true;
break;
@ -116,7 +126,7 @@ bool DXGI::Initialize(CaptureOptions * options)
D3D_FEATURE_LEVEL_9_1
};
#if DEBUG
#ifdef _DEBUG
#define CREATE_FLAGS (D3D11_CREATE_DEVICE_DEBUG)
#else
#define CREATE_FLAGS (0)
@ -142,6 +152,7 @@ bool DXGI::Initialize(CaptureOptions * options)
return false;
}
DEBUG_INFO("Feature Level : 0x%x", m_featureLevel);
m_frameType = FRAME_TYPE_ARGB;
for(CaptureOptions::const_iterator it = m_options->cbegin(); it != m_options->cend(); ++it)
@ -342,6 +353,8 @@ GrabStatus Capture::DXGI::GrabFrameTexture(struct FrameInfo & frame, struct Curs
if (!m_initialized)
return GRAB_STATUS_ERROR;
ReleaseFrame();
timeout = false;
DXGI_OUTDUPL_FRAME_INFO frameInfo;
IDXGIResourcePtr res;
@ -429,9 +442,7 @@ GrabStatus Capture::DXGI::GrabFrameTexture(struct FrameInfo & frame, struct Curs
if (frameInfo.LastPresentTime.QuadPart != 0)
break;
// no frame data, clean up
res = NULL;
ReleaseFrame();
// if the cursor has been updated
if (cursor.updated)
@ -527,12 +538,17 @@ GrabStatus Capture::DXGI::GrabFrameRaw(FrameInfo & frame, struct CursorInfo & cu
DeInitialize();
return GRAB_STATUS_ERROR;
}
frame.pitch = m_width * 4;
frame.stride = m_width;
for(unsigned int y = 0; y < m_height; ++y)
memcpySSE(
(uint32_t*)frame.buffer + (m_width * y),
(uint8_t *)mapping.pData + (mapping.RowPitch * y),
m_width * 4
);
frame.pitch = mapping.RowPitch;
frame.stride = mapping.RowPitch >> 2;
const unsigned int size = m_height * mapping.RowPitch;
memcpySSE(frame.buffer, mapping.pData, LG_MIN(size, frame.bufferSize));
m_deviceContext->Unmap(m_texture[0], 0);
return GRAB_STATUS_OK;

18
host/Service.cpp
View File

@ -51,6 +51,7 @@ bool Service::Initialize(ICapture * captureDevice)
if (m_initialized)
DeInitialize();
m_tryTarget = 0;
m_capture = captureDevice;
if (!m_ivshmem->Initialize())
{
@ -171,6 +172,7 @@ bool Service::Process()
return false;
volatile uint8_t *flags = &m_shmHeader->flags;
int tryCount = 0;
// wait for the host to notify that is it is ready to proceed
while (true)
@ -187,7 +189,7 @@ bool Service::Process()
if (m_capture->GetMaxFrameSize() > m_frameSize)
{
DEBUG_ERROR("Maximum frame size of %zd bytes excceds maximum space available", m_capture->GetMaxFrameSize());
DEBUG_ERROR("Maximum frame size of %zd bytes exceeds maximum space available", m_capture->GetMaxFrameSize());
return false;
}
@ -199,10 +201,20 @@ bool Service::Process()
if (!(m_shmHeader->frame.flags & KVMFR_FRAME_FLAG_UPDATE))
break;
// wait for 2ms before polling again
Sleep(2);
// save CPU if the client has stopped polling for updates
if (++tryCount > m_tryTarget * 400)
{
m_tryTarget = 250;
Sleep(100);
}
}
int diff = (tryCount - m_lastTryCount) / 200;
m_lastTryCount = tryCount;
m_tryTarget += diff;
if (m_tryTarget < 250)
m_tryTarget = 250;
struct FrameInfo frame = {0};
struct CursorInfo cursor = {0};
frame.buffer = m_frame[m_frameIndex];

2
host/Service.h
View File

@ -46,6 +46,8 @@ private:
bool InitPointers();
static Service * m_instance;
int m_tryTarget;
int m_lastTryCount;
Service();
~Service();