From: Rémi Bernon rbernon@codeweavers.com
--- dlls/win32u/dce.c | 51 ++++++++++++++--------------------------------- 1 file changed, 15 insertions(+), 36 deletions(-)
diff --git a/dlls/win32u/dce.c b/dlls/win32u/dce.c index 4f86e6fb01d..91bcb02a6a8 100644 --- a/dlls/win32u/dce.c +++ b/dlls/win32u/dce.c @@ -92,34 +92,19 @@ struct window_surface dummy_surface = * Off-screen window surface. */
-struct offscreen_window_surface -{ - struct window_surface header; - BITMAPINFO info; -}; - -static const struct window_surface_funcs offscreen_window_surface_funcs; - -static struct offscreen_window_surface *impl_from_window_surface( struct window_surface *base ) -{ - if (!base || base->funcs != &offscreen_window_surface_funcs) return NULL; - return CONTAINING_RECORD( base, struct offscreen_window_surface, header ); -} - -static void offscreen_window_surface_set_clip( struct window_surface *base, const RECT *rects, UINT count ) +static void offscreen_window_surface_set_clip( struct window_surface *surface, const RECT *rects, UINT count ) { }
-static BOOL offscreen_window_surface_flush( struct window_surface *base, const RECT *rect, const RECT *dirty, +static BOOL offscreen_window_surface_flush( struct window_surface *surface, const RECT *rect, const RECT *dirty, const BITMAPINFO *color_info, const void *color_bits ) { return TRUE; }
-static void offscreen_window_surface_destroy( struct window_surface *base ) +static void offscreen_window_surface_destroy( struct window_surface *surface ) { - struct offscreen_window_surface *impl = impl_from_window_surface( base ); - free( impl ); + free( surface ); }
static const struct window_surface_funcs offscreen_window_surface_funcs = @@ -129,22 +114,19 @@ static const struct window_surface_funcs offscreen_window_surface_funcs = offscreen_window_surface_destroy };
-void create_offscreen_window_surface( HWND hwnd, const RECT *surface_rect, struct window_surface **surface ) +void create_offscreen_window_surface( HWND hwnd, const RECT *surface_rect, struct window_surface **window_surface ) { char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )]; BITMAPINFO *info = (BITMAPINFO *)buffer; - struct offscreen_window_surface *impl; + struct window_surface *surface, *previous;
- TRACE( "hwnd %p, surface_rect %s, surface %p.\n", hwnd, wine_dbgstr_rect( surface_rect ), surface ); + TRACE( "hwnd %p, surface_rect %s, window_surface %p.\n", hwnd, wine_dbgstr_rect( surface_rect ), window_surface );
/* check that old surface is an offscreen_window_surface, or release it */ - if ((impl = impl_from_window_surface( *surface ))) - { - /* if the rect didn't change, keep the same surface */ - if (EqualRect( surface_rect, &impl->header.rect )) return; - window_surface_release( &impl->header ); - } - else if (*surface) window_surface_release( *surface ); + if ((previous = *window_surface) && previous->funcs == &offscreen_window_surface_funcs && + EqualRect( surface_rect, &previous->rect )) return; + if (previous) window_surface_release( previous ); + *window_surface = NULL;
memset( info, 0, sizeof(*info) ); info->bmiHeader.biSize = sizeof(info->bmiHeader); @@ -156,14 +138,11 @@ void create_offscreen_window_surface( HWND hwnd, const RECT *surface_rect, struc info->bmiHeader.biCompression = BI_RGB;
/* create a new window surface */ - *surface = NULL; - if (!(impl = calloc(1, sizeof(*impl)))) return; - window_surface_init( &impl->header, &offscreen_window_surface_funcs, hwnd, surface_rect, info, 0 ); - impl->info = *info; - - TRACE( "created window surface %p\n", &impl->header ); + if (!(surface = calloc(1, sizeof(*surface)))) return; + window_surface_init( surface, &offscreen_window_surface_funcs, hwnd, surface_rect, info, 0 );
- *surface = &impl->header; + TRACE( "created window surface %p\n", surface ); + *window_surface = surface; }
/* window surface common helpers */