void DestroyObjects(DDContext *dd)
{
RestoreWindow(dd);
/*remove all surfaces*/
while (ChainGetCount(dd->surfaces)) {
DDSurface *pS = ChainGetEntry(dd->surfaces, 0);
ChainDeleteEntry(dd->surfaces, 0);
SAFE_DD_RELEASE(pS->pSurface);
free(pS);
}
SAFE_DD_RELEASE(dd->pPrimary);
SAFE_DD_RELEASE(dd->pBack);
SAFE_DD_RELEASE(dd->pDD);
dd->ddraw_init = 0;
/*delete openGL context*/
if (dd->gl_HRC) {
wglDeleteContext(dd->gl_HRC);
dd->gl_HRC = NULL;
}
if (dd->gl_HDC) {
ReleaseDC(dd->hWnd, dd->gl_HDC);
dd->gl_HDC = NULL;
}
}
M4Err GetDisplayMode(DDContext *dd)
{
if (dd->switch_res) {
HRESULT hr;
Bool temp_dd = 0;;
if (!dd->pDD) {
LPDIRECTDRAW ddraw;
DirectDrawCreate(NULL, &ddraw, NULL);
#ifdef USE_DX_3
IDirectDraw_QueryInterface(ddraw, &IID_IDirectDraw, (LPVOID *)&dd->pDD);
#else
IDirectDraw_QueryInterface(ddraw, &IID_IDirectDraw7, (LPVOID *)&dd->pDD);
#endif
temp_dd = 1;
}
//we start with a hugde res and downscale
dd->fs_width = dd->fs_height = 50000;
#ifdef USE_DX_3
hr = IDirectDraw_EnumDisplayModes(dd->pDD, 0L, NULL, dd, (LPDDENUMMODESCALLBACK) EnumDisplayModes);
#else
hr = IDirectDraw7_EnumDisplayModes(dd->pDD, 0L, NULL, dd, (LPDDENUMMODESCALLBACK2) EnumDisplayModes);
#endif
if (temp_dd) SAFE_DD_RELEASE(dd->pDD);
if (FAILED(hr)) return M4IOErr;
} else {
dd->fs_width = GetSystemMetrics(SM_CXSCREEN);
dd->fs_height = GetSystemMetrics(SM_CYSCREEN);
}
return M4OK;
}
void DestroyObjectsEx(DDContext *dd, Bool only_3d)
{
if (!only_3d) {
// RestoreWindow(dd);
SAFE_DD_RELEASE(dd->rgb_pool.pSurface);
memset(&dd->rgb_pool, 0, sizeof(DDSurface));
SAFE_DD_RELEASE(dd->yuv_pool.pSurface);
memset(&dd->yuv_pool, 0, sizeof(DDSurface));
SAFE_DD_RELEASE(dd->pPrimary);
SAFE_DD_RELEASE(dd->pBack);
SAFE_DD_RELEASE(dd->pDD);
dd->ddraw_init = 0;
#ifdef GPAC_DISABLE_3D
}
#else
/*do not destroy associated GL context*/
if (dd->output_3d_type==2) return;
}
