void DDSetSurfaceColorKey( LPDIRECTDRAWSURFACE2 pSurface, UINT32 uiFlags, LPDDCOLORKEY pDDColorKey )
{
Assert( pSurface != NULL );
Assert( pDDColorKey != NULL );
ATTEMPT( IDirectDrawSurface2_SetColorKey( pSurface, uiFlags, pDDColorKey ) );
}
/* ddraw_do_stretch_blit:
* Accelerated stretch_blit, stretch_sprite, stretch_masked_blit
*/
static void ddraw_do_stretch_blit(struct BITMAP *source, struct BITMAP *dest, int source_x, int source_y, int source_width, int source_height, int dest_x, int dest_y, int dest_width, int dest_height, int masked)
{
RECT dest_rect, source_rect;
DDCOLORKEY src_key;
HRESULT hr;
BITMAP *dest_parent;
BITMAP *source_parent;
dest_rect.left = dest_x + dest->x_ofs;
dest_rect.top = dest_y + dest->y_ofs;
dest_rect.right = dest_x + dest->x_ofs + dest_width;
dest_rect.bottom = dest_y + dest->y_ofs + dest_height;
source_rect.left = source_x + source->x_ofs;
source_rect.top = source_y + source->y_ofs;
source_rect.right = source_x + source->x_ofs + source_width;
source_rect.bottom = source_y + source->y_ofs + source_height;
src_key.dwColorSpaceLowValue = source->vtable->mask_color;
src_key.dwColorSpaceHighValue = source->vtable->mask_color;
if ( ( (masked && (gfx_capabilities & GFX_HW_VRAM_STRETCH_BLIT_MASKED)) ||
(!masked && (gfx_capabilities & GFX_HW_VRAM_STRETCH_BLIT))
) && ( is_video_bitmap(source) || is_system_bitmap(source) ) ) {
/* find parents */
dest_parent = dest;
while (dest_parent->id & BMP_ID_SUB)
dest_parent = (BITMAP *)dest_parent->extra;
source_parent = source;
while (source_parent->id & BMP_ID_SUB)
source_parent = (BITMAP *)source_parent->extra;
_enter_gfx_critical();
gfx_directx_release_lock(dest);
gfx_directx_release_lock(source);
IDirectDrawSurface2_SetColorKey(DDRAW_SURFACE_OF(source_parent)->id,
DDCKEY_SRCBLT, &src_key);
hr = IDirectDrawSurface2_Blt(DDRAW_SURFACE_OF(dest_parent)->id, &dest_rect,
DDRAW_SURFACE_OF(source_parent)->id, &source_rect,
(masked ? DDBLT_KEYSRC : 0) | DDBLT_WAIT, NULL);
_exit_gfx_critical();
if (FAILED(hr))
_TRACE(PREFIX_E "Blt failed (%x)\n", hr);
/* only for windowed mode */
if ((gfx_driver->id == GFX_DIRECTX_WIN) && (dest_parent == gfx_directx_forefront_bitmap))
win_gfx_driver->paint(&dest_rect);
}
else {
/* have to use the original software version */
_orig_stretch_blit(source, dest, source_x, source_y, source_width, source_height, dest_x, dest_y, dest_width, dest_height, masked);
}
}
