static UINT D3D_FindAdapter(IDirect3D9 * d3d, SDL_VideoDisplay * display)
{
SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
UINT adapter, count;
count = IDirect3D9_GetAdapterCount(d3d);
for (adapter = 0; adapter < count; ++adapter) {
HRESULT result;
D3DADAPTER_IDENTIFIER9 info;
char *name;
result = IDirect3D9_GetAdapterIdentifier(d3d, adapter, 0, &info);
if (FAILED(result)) {
continue;
}
name = WIN_StringToUTF8(displaydata->DeviceName);
if (SDL_strcmp(name, info.DeviceName) == 0) {
SDL_free(name);
return adapter;
}
SDL_free(name);
}
/* This should never happen, but just in case... */
return D3DADAPTER_DEFAULT;
}
/**
* It creates a Direct3D device and the associated resources.
*/
static int Direct3DOpen(vout_display_t *vd, video_format_t *fmt)
{
vout_display_sys_t *sys = vd->sys;
LPDIRECT3D9 d3dobj = sys->d3dobj;
if (Direct3DFillPresentationParameters(vd))
return VLC_EGENERIC;
// Create the D3DDevice
LPDIRECT3DDEVICE9 d3ddev;
UINT AdapterToUse = D3DADAPTER_DEFAULT;
D3DDEVTYPE DeviceType = D3DDEVTYPE_HAL;
#ifndef NDEBUG
// Look for 'NVIDIA PerfHUD' adapter
// If it is present, override default settings
for (UINT Adapter=0; Adapter< IDirect3D9_GetAdapterCount(d3dobj); ++Adapter) {
D3DADAPTER_IDENTIFIER9 Identifier;
HRESULT Res;
Res = IDirect3D9_GetAdapterIdentifier(d3dobj,Adapter,0,&Identifier);
if (strstr(Identifier.Description,"PerfHUD") != 0) {
AdapterToUse = Adapter;
DeviceType = D3DDEVTYPE_REF;
break;
}
}
#endif
HRESULT hr = IDirect3D9_CreateDevice(d3dobj, AdapterToUse,
DeviceType, sys->hvideownd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING|
D3DCREATE_MULTITHREADED,
&sys->d3dpp, &d3ddev);
if (FAILED(hr)) {
msg_Err(vd, "Could not create the D3D device! (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
sys->d3ddev = d3ddev;
UpdateRects(vd, NULL, NULL, true);
if (Direct3DCreateResources(vd, fmt)) {
msg_Err(vd, "Failed to allocate resources");
return VLC_EGENERIC;
}
/* Change the window title bar text */
EventThreadUpdateTitle(sys->event, VOUT_TITLE " (Direct3D output)");
msg_Dbg(vd, "Direct3D device adapter successfully initialized");
return VLC_SUCCESS;
}
static gboolean
gst_dx9screencapsrc_start (GstBaseSrc * bsrc)
{
GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (bsrc);
D3DPRESENT_PARAMETERS d3dpp;
HMONITOR monitor;
HRESULT res;
src->frame_number = -1;
ZeroMemory (&d3dpp, sizeof (D3DPRESENT_PARAMETERS));
d3dpp.Windowed = TRUE;
d3dpp.Flags = D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
d3dpp.BackBufferFormat = src->disp_mode.Format;
d3dpp.BackBufferHeight = src->disp_mode.Height;
d3dpp.BackBufferWidth = src->disp_mode.Width;
d3dpp.BackBufferCount = 1;
d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.hDeviceWindow = GetDesktopWindow ();
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT;
if (src->monitor >= IDirect3D9_GetAdapterCount (g_d3d9)) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
("Specified monitor with index %d not found", src->monitor), (NULL));
return FALSE;
}
res = IDirect3D9_CreateDevice (g_d3d9, src->monitor, D3DDEVTYPE_HAL,
GetDesktopWindow (), D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &src->d3d9_device);
if (FAILED (res))
return FALSE;
monitor = IDirect3D9_GetAdapterMonitor (g_d3d9, src->monitor);
GetMonitorInfo (monitor, &src->monitor_info);
return
SUCCEEDED (IDirect3DDevice9_CreateOffscreenPlainSurface (src->d3d9_device,
src->disp_mode.Width, src->disp_mode.Height, D3DFMT_A8R8G8B8,
D3DPOOL_SYSTEMMEM, &src->surface, NULL));
}
int
SDL_Direct3D9GetAdapterIndex( int displayIndex )
{
void *pD3DDLL;
IDirect3D9 *pD3D;
if (!D3D_LoadDLL(&pD3DDLL, &pD3D)) {
SDL_SetError("Unable to create Direct3D interface");
return D3DADAPTER_DEFAULT;
} else {
SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
int adapterIndex = D3DADAPTER_DEFAULT;
if (!pData) {
SDL_SetError("Invalid display index");
adapterIndex = -1; /* make sure we return something invalid */
} else {
char *displayName = WIN_StringToUTF8(pData->DeviceName);
unsigned int count = IDirect3D9_GetAdapterCount(pD3D);
unsigned int i;
for (i=0; i<count; i++) {
D3DADAPTER_IDENTIFIER9 id;
IDirect3D9_GetAdapterIdentifier(pD3D, i, 0, &id);
if (SDL_strcmp(id.DeviceName, displayName) == 0) {
adapterIndex = i;
break;
}
}
SDL_free(displayName);
}
/* free up the D3D stuff we inited */
IDirect3D9_Release(pD3D);
SDL_UnloadObject(pD3DDLL);
return adapterIndex;
}
}
static UINT get_adapter_count(base *d3dptr)
{
IDirect3D9 *d3d9 = (IDirect3D9 *)d3dptr->d3dobj;
return IDirect3D9_GetAdapterCount(d3d9);
}
static GstCaps *
gst_dx9screencapsrc_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
{
GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (bsrc);
RECT rect_dst;
GstCaps *caps;
if (src->monitor >= IDirect3D9_GetAdapterCount (g_d3d9)) {
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
("Specified monitor with index %d not found", src->monitor), (NULL));
return NULL;
}
if (FAILED (IDirect3D9_GetAdapterDisplayMode (g_d3d9, src->monitor,
&src->disp_mode))) {
return NULL;
}
SetRect (&rect_dst, 0, 0, src->disp_mode.Width, src->disp_mode.Height);
src->screen_rect = rect_dst;
if (src->capture_w && src->capture_h &&
src->capture_x + src->capture_w < rect_dst.right - rect_dst.left &&
src->capture_y + src->capture_h < rect_dst.bottom - rect_dst.top) {
rect_dst.left = src->capture_x;
rect_dst.top = src->capture_y;
rect_dst.right = src->capture_x + src->capture_w;
rect_dst.bottom = src->capture_y + src->capture_h;
} else {
/* Default values */
src->capture_x = src->capture_y = 0;
src->capture_w = src->capture_h = 0;
}
/* Note:
* Expose as xRGB even though the Surface is allocated as ARGB!
* This is due to IDirect3DDevice9_GetFrontBufferData which only takes
* ARGB surface, but the A channel is in reality never used.
* I should add that I had problems specifying ARGB. It might be a bug
* in ffmpegcolorspace which I used for testing.
* Another interesting thing is that directdrawsink did not support ARGB,
* but only xRGB. (On my system, using 32b color depth) And according to
* the DirectX documentation ARGB is NOT a valid display buffer format,
* but xRGB is.
*/
caps = gst_caps_new_simple ("video/x-raw",
"format", G_TYPE_STRING, "BGRx",
"width", G_TYPE_INT, rect_dst.right - rect_dst.left,
"height", G_TYPE_INT, rect_dst.bottom - rect_dst.top,
"framerate", GST_TYPE_FRACTION_RANGE, 1, 1, G_MAXINT, 1,
"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, NULL);
if (filter) {
GstCaps *tmp =
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
caps = tmp;
}
return caps;
}
HRESULT D3D9_CreateDevice(vlc_object_t *o, d3d9_handle_t *hd3d, HWND hwnd,
const video_format_t *source, d3d9_device_t *out)
{
HRESULT hr;
UINT AdapterToUse = D3DADAPTER_DEFAULT;
D3DDEVTYPE DeviceType = D3DDEVTYPE_HAL;
#ifndef NDEBUG
// Look for 'NVIDIA PerfHUD' adapter
// If it is present, override default settings
for (UINT Adapter=0; Adapter< IDirect3D9_GetAdapterCount(hd3d->obj); ++Adapter) {
D3DADAPTER_IDENTIFIER9 Identifier;
hr = IDirect3D9_GetAdapterIdentifier(hd3d->obj,Adapter,0,&Identifier);
if (SUCCEEDED(hr) && strstr(Identifier.Description,"PerfHUD") != 0) {
AdapterToUse = Adapter;
DeviceType = D3DDEVTYPE_REF;
break;
}
}
#endif
/*
** Get device capabilities
*/
ZeroMemory(&out->caps, sizeof(out->caps));
hr = IDirect3D9_GetDeviceCaps(hd3d->obj, AdapterToUse, DeviceType, &out->caps);
if (FAILED(hr)) {
msg_Err(o, "Could not read adapter capabilities. (hr=0x%0lx)", hr);
return hr;
}
msg_Dbg(o, "D3D9 device caps 0x%0lX / 0x%0lX", out->caps.DevCaps, out->caps.DevCaps2);
/* TODO: need to test device capabilities and select the right render function */
if (!(out->caps.DevCaps2 & D3DDEVCAPS2_CAN_STRETCHRECT_FROM_TEXTURES)) {
msg_Err(o, "Device does not support stretching from textures.");
return E_INVALIDARG;
}
if ( source->i_width > out->caps.MaxTextureWidth ||
source->i_height > out->caps.MaxTextureHeight )
{
msg_Err(o, "Textures too large %ux%u max possible: %ux%u",
source->i_width, source->i_height,
(unsigned) out->caps.MaxTextureWidth,
(unsigned) out->caps.MaxTextureHeight);
return E_INVALIDARG;
}
out->adapterId = AdapterToUse;
out->hwnd = hwnd;
if (D3D9_FillPresentationParameters(hd3d, source, out))
{
msg_Err(o, "Could not presentation parameters");
return E_INVALIDARG;
}
/* */
D3DADAPTER_IDENTIFIER9 d3dai;
if (FAILED(IDirect3D9_GetAdapterIdentifier(hd3d->obj, AdapterToUse,0, &d3dai))) {
msg_Warn(o, "IDirect3D9_GetAdapterIdentifier failed");
} else {
msg_Dbg(o, "Direct3d9 Device: %s %lx %lx %lx", d3dai.Description,
d3dai.VendorId, d3dai.DeviceId, d3dai.Revision );
}
DWORD thread_modes[] = { D3DCREATE_MULTITHREADED, 0 };
DWORD vertex_modes[] = { D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE,
D3DCREATE_HARDWARE_VERTEXPROCESSING,
D3DCREATE_MIXED_VERTEXPROCESSING,
D3DCREATE_SOFTWARE_VERTEXPROCESSING };
for (size_t t = 0; t < ARRAY_SIZE(thread_modes); t++)
{
for (size_t v = 0; v < ARRAY_SIZE(vertex_modes); v++)
{
DWORD creationFlags = thread_modes[t] | vertex_modes[v];
if (hd3d->use_ex)
hr = IDirect3D9Ex_CreateDeviceEx(hd3d->objex, AdapterToUse,
DeviceType, hwnd,
creationFlags,
&out->pp, NULL, &out->devex);
else
hr = IDirect3D9_CreateDevice(hd3d->obj, AdapterToUse,
DeviceType, hwnd,
creationFlags,
&out->pp, &out->dev);
if (SUCCEEDED(hr))
{
out->owner = true;
return hr;
}
}
}
msg_Err(o, "failed to create the D3D9%s device %d/%d. (hr=0x%lX)",
hd3d->use_ex?"Ex":"", AdapterToUse, DeviceType, hr);
return hr;
}
