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d3d: UWP support for D3D11VA

Browse Source 
For some braindead reason, Microsoft decided to prevent you from
dynamically loading system libraries. This makes portability harder.

And we're talking about portability between Microsoft OSes!
This commit is contained in:
wm4 2017-06-30 12:46:12 +02:00
parent dd408e68ed
commit f003d8ea36
4 changed files with 23 additions and 21 deletions
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14
video/decode/d3d.c
View File

@ -107,15 +107,29 @@ static const struct d3dva_mode d3dva_modes[] = {
#endif
HMODULE d3d11_dll, d3d9_dll, dxva2_dll;
PFN_D3D11_CREATE_DEVICE d3d11_D3D11CreateDevice;
static pthread_once_t d3d_load_once = PTHREAD_ONCE_INIT;
#if !HAVE_UWP
static void d3d_do_load(void)
{
d3d11_dll = LoadLibrary(L"d3d11.dll");
d3d9_dll = LoadLibrary(L"d3d9.dll");
dxva2_dll = LoadLibrary(L"dxva2.dll");
if (d3d11_dll) {
d3d11_D3D11CreateDevice =
(void *)GetProcAddress(d3d11_dll, "D3D11CreateDevice");
}
}
#else
static void d3d_do_load(void)
{
d3d11_D3D11CreateDevice = D3D11CreateDevice;
}
#endif
void d3d_load_dlls(void)
{

1
video/decode/d3d.h
View File

@ -42,6 +42,7 @@ struct d3d_decoder_fmt {
// Must call d3d_load_dlls() before accessing. Once this is done, the DLLs
// remain loaded forever.
extern HMODULE d3d11_dll, d3d9_dll, dxva2_dll;
extern PFN_D3D11_CREATE_DEVICE d3d11_D3D11CreateDevice;
void d3d_load_dlls(void);

16
video/decode/hw_d3d11va.c
View File

@ -607,22 +607,14 @@ static struct mp_hwdec_ctx *d3d11_create_dev(struct mpv_global *global,
HRESULT hr;
d3d_load_dlls();
if (!d3d11_dll) {
if (!d3d11_D3D11CreateDevice) {
mp_err(plog, "Failed to load D3D11 library\n");
return NULL;
}
PFN_D3D11_CREATE_DEVICE CreateDevice =
(void *)GetProcAddress(d3d11_dll, "D3D11CreateDevice");
if (!CreateDevice) {
mp_err(plog, "Failed to get D3D11CreateDevice symbol from DLL: %s\n",
mp_LastError_to_str());
return NULL;
}
hr = CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
D3D11_CREATE_DEVICE_VIDEO_SUPPORT, NULL, 0,
D3D11_SDK_VERSION, &device, NULL, NULL);
hr = d3d11_D3D11CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
D3D11_CREATE_DEVICE_VIDEO_SUPPORT, NULL, 0,
D3D11_SDK_VERSION, &device, NULL, NULL);
if (FAILED(hr)) {
mp_err(plog, "Failed to create D3D11 Device: %s\n",
mp_HRESULT_to_str(hr));

13
video/out/opengl/hwdec_d3d11eglrgb.c
View File

@ -105,20 +105,15 @@ static int create(struct gl_hwdec *hw)
p->egl_display = egl_display;
if (!d3d11_dll) {
if (!d3d11_D3D11CreateDevice) {
if (!hw->probing)
MP_ERR(hw, "Failed to load D3D11 library\n");
goto fail;
}
PFN_D3D11_CREATE_DEVICE CreateDevice =
(void *)GetProcAddress(d3d11_dll, "D3D11CreateDevice");
if (!CreateDevice)
goto fail;
hr = CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
D3D11_CREATE_DEVICE_VIDEO_SUPPORT, NULL, 0,
D3D11_SDK_VERSION, &p->d3d11_device, NULL, NULL);
hr = d3d11_D3D11CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
D3D11_CREATE_DEVICE_VIDEO_SUPPORT, NULL, 0,
D3D11_SDK_VERSION, &p->d3d11_device, NULL, NULL);
if (FAILED(hr)) {
int lev = hw->probing ? MSGL_V : MSGL_ERR;
mp_msg(hw->log, lev, "Failed to create D3D11 Device: %s\n",