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d3dvideosink: flush GPU before Present added alternate wait for vsync method based on GetRasterStatus

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This commit is contained in:
Carsten Kroll 2011-08-22 14:46:48 +02:00 committed by Sebastian Dröge
parent ec603dc326
commit ab22a64a13
1 changed files with 66 additions and 3 deletions
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69
sys/d3dvideosink/d3dvideosink.c
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@ -1587,6 +1587,65 @@ gst_d3dvideosink_stop (GstBaseSink * bsink)
return TRUE;
}
static void
gst_d3dvideosink_flush_gpu (GstD3DVideoSink * sink)
{
LPDIRECT3DDEVICE9 d3ddev = NULL;
LPDIRECT3DQUERY9 pEventQuery = NULL;
if (D3D_OK == IDirect3DSwapChain9_GetDevice (sink->d3d_swap_chain, &d3ddev)) {
IDirect3DDevice9_CreateQuery (d3ddev, D3DQUERYTYPE_EVENT, &pEventQuery);
IDirect3DDevice9_Release (d3ddev);
if (pEventQuery) {
IDirect3DQuery9_Issue (pEventQuery, D3DISSUE_END);
/* Empty the command buffer and wait until the GPU is idle. */
while (S_FALSE == IDirect3DQuery9_GetData (pEventQuery, NULL, 0,
D3DGETDATA_FLUSH));
IDirect3DQuery9_Release (pEventQuery);
}
}
}
static void
gst_d3dvideosink_wait_for_vsync (GstD3DVideoSink * sink)
{
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory (&d3dpp, sizeof (d3dpp));
IDirect3DSwapChain9_GetPresentParameters (sink->d3d_swap_chain, &d3dpp);
if (d3dpp.PresentationInterval == D3DPRESENT_INTERVAL_IMMEDIATE) {
D3DRASTER_STATUS raster_stat;
D3DDISPLAYMODE d3ddm;
UINT lastScanline = 0;
UINT vblankStart = 0;
HANDLE thdl = GetCurrentThread ();
int prio = GetThreadPriority (thdl);
ZeroMemory (&d3ddm, sizeof (d3ddm));
GST_ERROR_OBJECT (sink, "USING ALT VSYNC");
IDirect3DSwapChain9_GetDisplayMode (sink->d3d_swap_chain, &d3ddm);
vblankStart = d3ddm.Height - 10;
SetThreadPriority (thdl, THREAD_PRIORITY_TIME_CRITICAL);
do {
if (FAILED (IDirect3DSwapChain9_GetRasterStatus (sink->d3d_swap_chain,
&raster_stat)))
break;
if (!raster_stat.InVBlank) {
if (raster_stat.ScanLine < lastScanline) {
GST_INFO_OBJECT (sink, "missed last vsync curr : %d",
raster_stat.ScanLine);
break;
}
lastScanline = raster_stat.ScanLine;
SwitchToThread ();
}
} while (raster_stat.ScanLine < vblankStart);
SetThreadPriority (thdl, prio);
}
}
static GstFlowReturn
gst_d3dvideosink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
{
@ -1763,10 +1822,12 @@ gst_d3dvideosink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
gst_d3dvideosink_stretch (sink, backBuffer);
IDirect3DDevice9_EndScene (shared.d3ddev);
}
gst_d3dvideosink_flush_gpu (sink);
gst_d3dvideosink_wait_for_vsync (sink);
hr = IDirect3DSwapChain9_Present (sink->d3d_swap_chain, NULL, NULL, NULL,
NULL, 0);
/* Swap back and front buffers on video card and present to the user */
if (FAILED (hr =
IDirect3DSwapChain9_Present (sink->d3d_swap_chain, NULL, NULL, NULL,
NULL, 0))) {
if (FAILED (hr)) {
switch (hr) {
case D3DERR_DEVICELOST:
case D3DERR_DEVICENOTRESET:
@ -2237,11 +2298,13 @@ gst_d3dvideosink_initialize_swap_chain (GstD3DVideoSink * sink)
ZeroMemory (&d3dpp, sizeof (d3dpp));
d3dpp.Windowed = TRUE;
d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.hDeviceWindow = sink->window_handle;
d3dpp.BackBufferFormat = d3dformat;
d3dpp.BackBufferWidth = width;
d3dpp.BackBufferHeight = height;
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE; /*D3DPRESENT_INTERVAL_IMMEDIATE; */
if (FAILED (IDirect3DDevice9_CreateAdditionalSwapChain (shared.d3ddev,
&d3dpp, &d3dswapchain)))