void DDSetSurfacePalette( LPDIRECTDRAWSURFACE2 pSurface, LPDIRECTDRAWPALETTE pDDPalette )
{
Assert( pDDPalette != NULL );
Assert( pSurface != NULL );
ATTEMPT( IDirectDrawSurface2_SetPalette( pSurface, pDDPalette ) );
}
static Bool
winDestroyColormapShadowDD (ColormapPtr pColormap)
{
winScreenPriv(pColormap->pScreen);
winCmapPriv(pColormap);
HRESULT ddrval = DD_OK;
/*
* Is colormap to be destroyed the default?
*
* Non-default colormaps should have had winUninstallColormap
* called on them before we get here. The default colormap
* will not have had winUninstallColormap called on it. Thus,
* we need to handle the default colormap in a special way.
*/
if (pColormap->flags & IsDefault)
{
#if CYGDEBUG
winDebug ("winDestroyColormapShadowDD - Destroying default "
"colormap\n");
#endif
/*
* FIXME: Walk the list of all screens, popping the default
* palette out of each screen device context.
*/
/* Pop the palette out of the primary surface */
ddrval = IDirectDrawSurface2_SetPalette (pScreenPriv->pddsPrimary,
NULL);
if (FAILED (ddrval))
{
ErrorF ("winDestroyColormapShadowDD - Failed freeing the "
"default colormap DirectDraw palette.\n");
return FALSE;
}
/* Clear our private installed colormap pointer */
pScreenPriv->pcmapInstalled = NULL;
}
/* Release the palette */
IDirectDrawPalette_Release (pCmapPriv->lpDDPalette);
/* Invalidate the colormap privates */
pCmapPriv->lpDDPalette = NULL;
return TRUE;
}
static Bool
winInstallColormapShadowDD (ColormapPtr pColormap)
{
ScreenPtr pScreen = pColormap->pScreen;
winScreenPriv(pScreen);
winCmapPriv(pColormap);
HRESULT ddrval = DD_OK;
/* Install the DirectDraw palette on the primary surface */
ddrval = IDirectDrawSurface2_SetPalette (pScreenPriv->pddsPrimary,
pCmapPriv->lpDDPalette);
if (FAILED (ddrval))
{
ErrorF ("winInstallColormapShadowDD - Failed installing the "
"DirectDraw palette.\n");
return FALSE;
}
/* Save a pointer to the newly installed colormap */
pScreenPriv->pcmapInstalled = pColormap;
return TRUE;
}
/* recreate_flipping_chain:
* Destroys the previous flipping chain and creates a new one.
*/
static int recreate_flipping_chain(int n_pages)
{
int w, h, type, n_backbuffers;
DDSCAPS ddscaps;
HRESULT hr;
ASSERT(n_pages > 0);
/* set flipping chain characteristics */
w = gfx_directx_forefront_bitmap->w;
h = gfx_directx_forefront_bitmap->h;
type = flipping_page[0]->flags & DDRAW_SURFACE_TYPE_MASK;
n_backbuffers = n_pages - 1;
/* release existing flipping chain */
if (flipping_page[0]->id) {
hr = IDirectDrawSurface2_Release(flipping_page[0]->id);
if (FAILED(hr)) {
_TRACE(PREFIX_E "Unable to release the primary surface (%s)", dd_err(hr));
return -1;
}
}
/* create the new flipping chain with the specified characteristics */
flipping_page[0]->id = create_directdraw2_surface(w, h, ddpixel_format, type, n_backbuffers);
if (!flipping_page[0]->id)
return -1;
/* retrieve the backbuffers */
if (n_backbuffers > 0) {
memset(&ddscaps, 0, sizeof(DDSCAPS));
/* first backbuffer */
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
hr = IDirectDrawSurface2_GetAttachedSurface(flipping_page[0]->id, &ddscaps, &flipping_page[1]->id);
if (FAILED(hr)) {
_TRACE(PREFIX_E "Unable to retrieve the first backbuffer (%s)", dd_err(hr));
return -1;
}
flipping_page[1]->flags = flipping_page[0]->flags;
flipping_page[1]->lock_nesting = 0;
if (n_backbuffers > 1) {
/* second backbuffer */
ddscaps.dwCaps = DDSCAPS_FLIP;
hr = IDirectDrawSurface2_GetAttachedSurface(flipping_page[1]->id, &ddscaps, &flipping_page[2]->id);
if (FAILED(hr)) {
_TRACE(PREFIX_E "Unable to retrieve the second backbuffer (%s)", dd_err(hr));
return -1;
}
flipping_page[2]->flags = flipping_page[0]->flags;
flipping_page[2]->lock_nesting = 0;
}
}
/* attach the global palette if needed */
if (flipping_page[0]->flags & DDRAW_SURFACE_INDEXED) {
hr = IDirectDrawSurface2_SetPalette(flipping_page[0]->id, ddpalette);
if (FAILED(hr)) {
_TRACE(PREFIX_E "Unable to attach the global palette (%s)", dd_err(hr));
return -1;
}
}
return 0;
}
