/**
* This function locks a surface and get the surface descriptor.
*/
static int DirectXLockSurface(LPDIRECTDRAWSURFACE2 front_surface,
LPDIRECTDRAWSURFACE2 surface,
DDSURFACEDESC *ddsd)
{
HRESULT hr;
DDSURFACEDESC ddsd_dummy;
if (!ddsd)
ddsd = &ddsd_dummy;
ZeroMemory(ddsd, sizeof(*ddsd));
ddsd->dwSize = sizeof(*ddsd);
hr = IDirectDrawSurface2_Lock(surface, NULL, ddsd, DDLOCK_NOSYSLOCK | DDLOCK_WAIT, NULL);
if (hr != DD_OK) {
if (hr == DDERR_INVALIDPARAMS) {
/* DirectX 3 doesn't support the DDLOCK_NOSYSLOCK flag, resulting
* in an invalid params error */
hr = IDirectDrawSurface2_Lock(surface, NULL, ddsd, DDLOCK_WAIT, NULL);
}
if (hr == DDERR_SURFACELOST) {
/* Your surface can be lost so be sure
* to check this and restore it if needed */
/* When using overlays with back-buffers, we need to restore
* the front buffer so the back-buffers get restored as well. */
if (front_surface != surface)
IDirectDrawSurface2_Restore(front_surface);
else
IDirectDrawSurface2_Restore(surface);
hr = IDirectDrawSurface2_Lock(surface, NULL, ddsd, DDLOCK_WAIT, NULL);
}
if (hr != DD_OK)
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
static Bool
winActivateAppShadowDD (ScreenPtr pScreen)
{
winScreenPriv(pScreen);
/*
* Do we have a surface?
* Are we active?
* Are we fullscreen?
*/
if (pScreenPriv != NULL
&& pScreenPriv->pddsPrimary != NULL
&& pScreenPriv->fActive)
{
/* Primary surface was lost, restore it */
IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary);
}
return TRUE;
}
/* restore_all_ddraw_surfaces:
* Restores all the surfaces. Returns 0 on success or -1 on failure,
* in which case restoring is stopped at the first failure.
*/
int restore_all_ddraw_surfaces(void)
{
DDRAW_SURFACE *item = ddraw_surface_list;
HRESULT hr;
_enter_gfx_critical();
while (item) {
hr = IDirectDrawSurface2_Restore(item->id);
if (FAILED(hr)) {
_exit_gfx_critical();
return -1;
}
item = item->next;
}
_exit_gfx_critical();
_TRACE(PREFIX_I "all DirectDraw surfaces restored\n");
return 0;
}
static Bool
winBltExposedRegionsShadowDD (ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RECT rcSrc, rcDest;
POINT ptOrigin;
HDC hdcUpdate = NULL;
PAINTSTRUCT ps;
HRESULT ddrval = DD_OK;
Bool fReturn = TRUE;
Bool fLocked = TRUE;
int i;
/* BeginPaint gives us an hdc that clips to the invalidated region */
hdcUpdate = BeginPaint (pScreenPriv->hwndScreen, &ps);
if (hdcUpdate == NULL)
{
ErrorF ("winBltExposedRegionsShadowDD - BeginPaint () returned "
"a NULL device context handle. Aborting blit attempt.\n");
return FALSE;
}
/* Unlock the shadow surface, so we can blit */
ddrval = IDirectDrawSurface2_Unlock (pScreenPriv->pddsShadow, NULL);
if (FAILED (ddrval))
{
fReturn = FALSE;
goto winBltExposedRegionsShadowDD_Exit;
}
else
{
/* Flag that we have unlocked the shadow surface */
fLocked = FALSE;
}
/* Get the origin of the window in the screen coords */
ptOrigin.x = pScreenInfo->dwXOffset;
ptOrigin.y = pScreenInfo->dwYOffset;
MapWindowPoints (pScreenPriv->hwndScreen,
HWND_DESKTOP,
(LPPOINT)&ptOrigin, 1);
rcDest.left = ptOrigin.x;
rcDest.right = ptOrigin.x + pScreenInfo->dwWidth;
rcDest.top = ptOrigin.y;
rcDest.bottom = ptOrigin.y + pScreenInfo->dwHeight;
/* Source can be enter shadow surface, as Blt should clip */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
/* Try to regain the primary surface and blit again if we've lost it */
for (i = 0; i <= WIN_REGAIN_SURFACE_RETRIES; ++i)
{
/* Our Blt should be clipped to the invalidated region */
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary,
&rcDest,
pScreenPriv->pddsShadow,
&rcSrc,
DDBLT_WAIT,
NULL);
if (ddrval == DDERR_SURFACELOST)
{
/* Surface was lost */
ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt "
"reported that the primary surface was lost, "
"trying to restore, retry: %d\n", i + 1);
/* Try to restore the surface, once */
ddrval = IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary);
ErrorF ("winBltExposedRegionsShadowDD - "
"IDirectDrawSurface2_Restore returned: ");
if (ddrval == DD_OK)
ErrorF ("DD_OK\n");
else if (ddrval == DDERR_WRONGMODE)
ErrorF ("DDERR_WRONGMODE\n");
else if (ddrval == DDERR_INCOMPATIBLEPRIMARY)
ErrorF ("DDERR_INCOMPATIBLEPRIMARY\n");
else if (ddrval == DDERR_UNSUPPORTED)
ErrorF ("DDERR_UNSUPPORTED\n");
else if (ddrval == DDERR_INVALIDPARAMS)
ErrorF ("DDERR_INVALIDPARAMS\n");
else if (ddrval == DDERR_INVALIDOBJECT)
ErrorF ("DDERR_INVALIDOBJECT\n");
else
ErrorF ("unknown error: %08x\n", (unsigned int) ddrval);
/* Loop around to try the blit one more time */
continue;
}
else if (FAILED (ddrval))
{
fReturn = FALSE;
ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Blt "
"failed, but surface not lost: %08x %d\n",
(unsigned int) ddrval, (int) ddrval);
goto winBltExposedRegionsShadowDD_Exit;
}
else
{
/* Success, stop looping */
break;
}
}
/* Relock the shadow surface */
ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow,
NULL,
pScreenPriv->pddsdShadow,
DDLOCK_WAIT,
NULL);
if (FAILED (ddrval))
{
fReturn = FALSE;
ErrorF ("winBltExposedRegionsShadowDD - IDirectDrawSurface2_Lock "
"failed\n");
goto winBltExposedRegionsShadowDD_Exit;
}
else
{
/* Indicate that we have relocked the shadow surface */
fLocked = TRUE;
}
/* Has our memory pointer changed? */
if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface)
winUpdateFBPointer (pScreen,
pScreenPriv->pddsdShadow->lpSurface);
winBltExposedRegionsShadowDD_Exit:
/* EndPaint frees the DC */
if (hdcUpdate != NULL)
EndPaint (pScreenPriv->hwndScreen, &ps);
/*
* Relock the surface if it is not locked. We don't care if locking fails,
* as it will cause the server to shutdown within a few more operations.
*/
if (!fLocked)
{
IDirectDrawSurface2_Lock (pScreenPriv->pddsShadow,
NULL,
pScreenPriv->pddsdShadow,
DDLOCK_WAIT,
NULL);
/* Has our memory pointer changed? */
if (pScreenInfo->pfb != pScreenPriv->pddsdShadow->lpSurface)
winUpdateFBPointer (pScreen,
pScreenPriv->pddsdShadow->lpSurface);
fLocked = TRUE;
}
return fReturn;
}
Bool
winHotKeyAltTabPrimaryDD (ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RECT rcClient, rcSrc;
HRESULT ddrval = DD_OK;
ErrorF ("\nwinHotKeyAltTabPrimaryDD\n\n");
/* Alt+Tab was pressed, we will lose focus very soon */
pScreenPriv->fActive = FALSE;
/* Check for error conditions */
if (pScreenPriv->pddsPrimary == NULL
|| pScreenPriv->pddsOffscreen == NULL)
return FALSE;
/* Get client area in screen coords */
GetClientRect (pScreenPriv->hwndScreen, &rcClient);
MapWindowPoints (pScreenPriv->hwndScreen,
HWND_DESKTOP,
(LPPOINT)&rcClient, 2);
/* Did we loose the primary surface? */
ddrval = IDirectDrawSurface2_IsLost (pScreenPriv->pddsPrimary);
if (ddrval == DD_OK)
{
ddrval = IDirectDrawSurface2_Unlock (pScreenPriv->pddsPrimary,
NULL);
if (FAILED (ddrval))
FatalError ("winHotKeyAltTabPrimaryDD - Failed unlocking primary "
"surface\n");
}
/* Setup a source rectangle */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
/* Blit the primary surface to the offscreen surface */
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsOffscreen,
NULL, /* should be rcDest */
pScreenPriv->pddsPrimary,
NULL,
DDBLT_WAIT,
NULL);
if (ddrval == DDERR_SURFACELOST)
{
IDirectDrawSurface2_Restore (pScreenPriv->pddsOffscreen);
IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary);
/* Blit the primary surface to the offscreen surface */
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsOffscreen,
NULL,
pScreenPriv->pddsPrimary,
NULL,
DDBLT_WAIT,
NULL);
if (FAILED (ddrval))
FatalError ("winHotKeyAltTabPrimaryDD - Failed blitting primary "
"surface to offscreen surface: %08x\n",
ddrval);
}
else
{
FatalError ("winHotKeyAltTabPrimaryDD - Unknown error from "
"Blt: %08dx\n", ddrval);
}
/* Lock the offscreen surface */
ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsOffscreen,
NULL,
pScreenPriv->pddsdOffscreen,
DDLOCK_WAIT,
NULL);
if (ddrval != DD_OK
|| pScreenPriv->pddsdPrimary->lpSurface == NULL)
FatalError ("winHotKeyAltTabPrimaryDD - Could not lock "
"offscreen surface\n");
/* Notify FB of the new memory pointer */
winUpdateFBPointer (pScreen,
pScreenPriv->pddsdOffscreen->lpSurface);
/* Unregister our hotkey */
UnregisterHotKey (pScreenPriv->hwndScreen, 1);
return TRUE;
}
Bool
winActivateAppPrimaryDD (ScreenPtr pScreen)
{
winScreenPriv(pScreen);
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
RECT rcSrc, rcClient;
HRESULT ddrval = DD_OK;
/* Check for errors */
if (pScreenPriv == NULL
|| pScreenPriv->pddsPrimary == NULL
|| pScreenPriv->pddsOffscreen == NULL)
return FALSE;
/* Check for do-nothing */
if (!pScreenPriv->fActive)
return TRUE;
/* We are activating */
ddrval = IDirectDrawSurface2_IsLost (pScreenPriv->pddsOffscreen);
if (ddrval == DD_OK)
{
IDirectDrawSurface2_Unlock (pScreenPriv->pddsOffscreen,
NULL);
/*
* We don't check for an error from Unlock, because it
* doesn't matter if the Unlock failed.
*/
}
/* Restore both surfaces, just cause I like it that way */
IDirectDrawSurface2_Restore (pScreenPriv->pddsOffscreen);
IDirectDrawSurface2_Restore (pScreenPriv->pddsPrimary);
/* Get client area in screen coords */
GetClientRect (pScreenPriv->hwndScreen, &rcClient);
MapWindowPoints (pScreenPriv->hwndScreen,
HWND_DESKTOP,
(LPPOINT)&rcClient, 2);
/* Setup a source rectangle */
rcSrc.left = 0;
rcSrc.top = 0;
rcSrc.right = pScreenInfo->dwWidth;
rcSrc.bottom = pScreenInfo->dwHeight;
ddrval = IDirectDrawSurface2_Blt (pScreenPriv->pddsPrimary,
&rcClient,
pScreenPriv->pddsOffscreen,
&rcSrc,
DDBLT_WAIT,
NULL);
if (ddrval != DD_OK)
FatalError ("winActivateAppPrimaryDD () - Failed blitting offscreen "
"surface to primary surface %08x\n", ddrval);
/* Lock the primary surface */
ddrval = IDirectDrawSurface2_Lock (pScreenPriv->pddsPrimary,
&rcClient,
pScreenPriv->pddsdPrimary,
DDLOCK_WAIT,
NULL);
if (ddrval != DD_OK
|| pScreenPriv->pddsdPrimary->lpSurface == NULL)
FatalError ("winActivateAppPrimaryDD () - Could not lock "
"primary surface\n");
/* Notify FB of the new memory pointer */
winUpdateFBPointer (pScreen,
pScreenPriv->pddsdPrimary->lpSurface);
/*
* Register the Alt-Tab combo as a hotkey so we can copy
* the primary framebuffer before the display mode changes
*/
RegisterHotKey (pScreenPriv->hwndScreen, 1, MOD_ALT, 9);
return TRUE;
}
int directdraw_draw(void *pic, int w, int h)
{
DDSURFACEDESC descriptor;
RECT rct;
HWND hwndp;
#define fourcc(a,b,c,d) (( ((uint32_t)a) | ( ((uint32_t)b) << 8 ) | ( ((uint32_t)c) << 16 ) | ( ((uint32_t)d) << 24 ) ))
int bh = h, bw = w;
//w = default_sw;
//h = default_sh;
vdata.getdata(get_window_video, 0, &hwndp, 0);
if(!hwndp) return 0;
if(video_window_parent != hwndp)
{
video_uninit();
video_init(hwndp);
video_window_parent = hwndp;
}
if(w != d_width || h != d_height)
{
if(size_in_list(w, h))size_is_ok = 1;
else size_is_ok = 0;
if(w && h)
{
d_width = w;
d_height = h;
if(lpDDS_secondary)
IDirectDrawSurface2_Release(lpDDS_secondary);
memset(&descriptor, 0, sizeof(descriptor));
descriptor.dwSize = sizeof(descriptor);
descriptor.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
descriptor.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
descriptor.dwWidth = d_width;
descriptor.dwHeight = d_height;
if(FAILED(IDirectDraw2_CreateSurface(lpDD, &descriptor, &lpDDS_secondary, 0))) return 0;
lpDDS_back = lpDDS_secondary;
}
}
if(use_osd_surface)
{
GetClientRect(video_window, &rct);
if(rct.right != window_w || rct.bottom != window_h || osd_created == 0)
{
window_w = rct.right;
window_h = rct.bottom;
if(surface_osd)
IDirectDrawSurface2_Release(surface_osd);
memset( &descriptor, 0, sizeof(descriptor));
descriptor.dwSize = sizeof(descriptor);
descriptor.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
descriptor.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
descriptor.dwWidth = window_w;
descriptor.dwHeight = window_h;
if(FAILED(IDirectDraw2_CreateSurface(lpDD, &descriptor, &surface_osd, 0))) return 0;
osd_created = 1;
}
}
IDirectDrawSurface2_Restore(lpDDS);
if(pic)
IDirectDrawSurface2_Restore(lpDDS_secondary);
memset(&descriptor, 0, sizeof(descriptor));
descriptor.dwSize = sizeof(descriptor);
if(pic)
{
HRESULT res;
if(size_is_ok)
{
res = IDirectDrawSurface2_Lock(lpDDS_back, 0, &descriptor, DDLOCK_WAIT | DDLOCK_WRITEONLY, 0);
if(FAILED(res)) return 0;
memcpy(descriptor.lpSurface, pic, w * h * 4);
IDirectDrawSurface2_Unlock(lpDDS_back, descriptor.lpSurface);
}else{
HBITMAP bmp;
HDC hdc, cdc;
bmp = CreateBitmap(w, h, 1, 32, pic);
if(!FAILED(IDirectDrawSurface2_GetDC(lpDDS_back, &hdc)))
{
cdc = CreateCompatibleDC(0);
SelectObject(cdc, bmp);
BitBlt(hdc, 0, 0, w, h, cdc, 0, 0, SRCCOPY);
IDirectDrawSurface2_ReleaseDC(lpDDS_back, hdc);
DeleteDC(cdc);
}
DeleteObject(bmp);
}
IDirectDrawSurface2_Flip(lpDDS, 0, DDFLIP_WAIT);
}
return 1;
}
void DDRestoreSurface( LPDIRECTDRAWSURFACE2 pSurface )
{
Assert( pSurface != NULL );
ATTEMPT( IDirectDrawSurface2_Restore( pSurface ) );
}
