//
// Flip the real page with virtual page
// - in bAppFullScreen mode, do page flipping
// - in windowed mode, copy the hidden surface to the visible surface
//
// waitflip : if not 0, wait for page flip to end
BOOL ScreenFlip(int waitflip)
{
HRESULT hr;
RECT rect;
UNREFERENCED_PARAMETER(waitflip);
if (bAppFullScreen)
{
//hr = IDirectDrawSurface_GetFlipStatus (ScreenReal, DDGFS_);
// In full-screen exclusive mode, do a hardware flip.
hr = IDirectDrawSurface_Flip(ScreenReal, NULL, DDFLIP_WAIT); //return immediately
// If the surface was lost, restore it.
if (hr == DDERR_SURFACELOST)
{
IDirectDrawSurface_Restore(ScreenReal);
// The restore worked, so try the flip again.
hr = IDirectDrawSurface_Flip(ScreenReal, 0, DDFLIP_WAIT);
}
}
else
{
rect.left = windowPosX;
rect.top = windowPosY;
rect.right = windowPosX + ScreenWidth - 1;
rect.bottom = windowPosY + ScreenHeight - 1;
// Copy the back buffer to front.
hr = IDirectDrawSurface_Blt(ScreenReal, &rect, ScreenVirtual, 0, DDBLT_WAIT, 0);
if (hr != DD_OK)
{
// If the surfaces were lost, restore them.
if (IDirectDrawSurface_IsLost(ScreenReal) == DDERR_SURFACELOST)
IDirectDrawSurface_Restore(ScreenReal);
if (IDirectDrawSurface_IsLost(ScreenVirtual) == DDERR_SURFACELOST)
IDirectDrawSurface_Restore(ScreenVirtual);
// Retry the copy.
hr = IDirectDrawSurface_Blt(ScreenReal,&rect, ScreenVirtual, 0, DDBLT_WAIT, 0);
}
}
if (hr != DD_OK)
I_Error("ScreenFlip() : couldn't Flip surfaces because %s", DXErrorToString(hr));
return FALSE;
}
static void testsurface(void)
{
const char* testMsg = "ddraw device context test";
HDC hdc;
HRESULT rc;
rc = IDirectDrawSurface_GetDC(lpDDSBack, &hdc);
ok(rc==DD_OK, "IDirectDrawSurface_GetDC returned: %x\n",rc);
SetBkColor(hdc, RGB(0, 0, 255));
SetTextColor(hdc, RGB(255, 255, 0));
TextOut(hdc, 0, 0, testMsg, lstrlen(testMsg));
IDirectDrawSurface_ReleaseDC(lpDDSBack, hdc);
ok(rc==DD_OK, "IDirectDrawSurface_ReleaseDC returned: %x\n",rc);
while (1)
{
rc = IDirectDrawSurface_Flip(lpDDSPrimary, NULL, DDFLIP_WAIT);
ok(rc==DD_OK || rc==DDERR_SURFACELOST, "IDirectDrawSurface_BltFast returned: %x\n",rc);
if (rc == DD_OK)
{
break;
}
else if (rc == DDERR_SURFACELOST)
{
rc = IDirectDrawSurface_Restore(lpDDSPrimary);
ok(rc==DD_OK, "IDirectDrawSurface_Restore returned: %x\n",rc);
}
}
}
static void flip_page(void)
{
DDSURFACEDESC2 ddsd;
HRESULT dxresult;
IDirectDrawSurface_Unlock(g_lpddsBack, NULL);
if (g_doublebuffer) {
dxresult = IDirectDrawSurface_Flip(g_lpddsOverlay, NULL, DDFLIP_WAIT);
if (dxresult == DDERR_SURFACELOST) {
av_log(NULL, AV_LOG_INFO, "vo_directx: Lost, Restoring Surface\n");
IDirectDrawSurface_Restore(g_lpddsBack);
IDirectDrawSurface_Restore(g_lpddsOverlay);
IDirectDrawSurface_Restore(g_lpddsPrimary);
dxresult = IDirectDrawSurface_Flip(g_lpddsOverlay, NULL, DDFLIP_WAIT);
}
if (dxresult != DD_OK) {
av_log(NULL, AV_LOG_ERROR, "vo_directx: can not flip page\n");
}
} else {
DDBLTFX ddbltfx;
memset(&ddbltfx, 0, sizeof(DDBLTFX));
ddbltfx.dwSize = sizeof(DDBLTFX);
ddbltfx.dwDDFX = DDBLTFX_NOTEARING;
IDirectDrawSurface_Blt(g_lpddsPrimary, &rd, g_lpddsBack, NULL, DDBLT_WAIT,
&ddbltfx);
}
memset(&ddsd, 0, sizeof(DDSURFACEDESC2));
ddsd.dwSize = sizeof(DDSURFACEDESC2);
if (IDirectDrawSurface_Lock(g_lpddsBack, NULL, &ddsd,
DDLOCK_NOSYSLOCK | DDLOCK_WAIT, NULL) == DD_OK) {
if (tmp_image) {
free(tmp_image);
tmp_image = NULL;
}
g_dstride = ddsd.lPitch;
g_image = ddsd.lpSurface;
} else {
if (!tmp_image) {
av_log(NULL, AV_LOG_INFO,
"Locking the surface failed, rendering to a hidden surface!\n");
tmp_image = g_image = calloc(1, g_image_height * g_dstride * 2);
}
}
}
// DDFlip
// Flip Screens using DirectDraw::Flip
// ----------------------------------------------------------------------------
void DDFlip()
{
HRESULT ddresult;
ddresult = IDirectDrawSurface_Flip(_lpDDSPrimary, NULL, 0);
if (ddresult != DD_OK) {
mprintf((1, "DDFlip:: Unable to flip screen (%X)\n", ddresult));
Int3(); // Bad flipping
}
}
