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[cache,offscreen] invalidate bitmap before free

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First ensure the bitmap is no longer used for drawing before calling the
free function.
This commit is contained in:
akallabeth
2026-01-19 08:58:22 +01:00
parent 0421b53fcb
commit 52106a2672
1 changed files with 7 additions and 3 deletions
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10
libfreerdp/cache/offscreen.c vendored
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@@ -164,8 +164,6 @@ void offscreen_cache_put(rdpOffscreenCache* offscreenCache, UINT32 index, rdpBit
void offscreen_cache_delete(rdpOffscreenCache* offscreenCache, UINT32 index)
{
rdpBitmap* prevBitmap = NULL;
WINPR_ASSERT(offscreenCache);
if (index >= offscreenCache->maxEntries)
@@ -174,10 +172,16 @@ void offscreen_cache_delete(rdpOffscreenCache* offscreenCache, UINT32 index)
return;
}
prevBitmap = offscreenCache->entries[index];
rdpBitmap* prevBitmap = offscreenCache->entries[index];
if (prevBitmap != NULL)
{
WINPR_ASSERT(offscreenCache->context);
/* Ensure that the bitmap is no longer used in GDI */
IFCALL(prevBitmap->SetSurface, offscreenCache->context, NULL, FALSE);
Bitmap_Free(offscreenCache->context, prevBitmap);
}
offscreenCache->entries[index] = NULL;
}