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cover the case of servers asking for cached bitmaps they have never defined

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(cherry picked from commit 46a691db02)
This commit is contained in:
Daryl Poe 2013-07-25 15:01:56 -06:00 committed by Bernhard Miklautz
parent 81c0dd0f64
commit 25e4437340
1 changed files with 4 additions and 0 deletions
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4
libfreerdp/cache/bitmap.c vendored
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@ -40,6 +40,8 @@ void update_gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
bitmap = offscreen_cache_get(cache->offscreen, memblt->cacheIndex);
else
bitmap = bitmap_cache_get(cache->bitmap, (BYTE) memblt->cacheId, memblt->cacheIndex);
/* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
if (bitmap == NULL) return;
memblt->bitmap = bitmap;
IFCALL(cache->bitmap->MemBlt, context, memblt);
@ -56,6 +58,8 @@ void update_gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt)
bitmap = offscreen_cache_get(cache->offscreen, mem3blt->cacheIndex);
else
bitmap = bitmap_cache_get(cache->bitmap, (BYTE) mem3blt->cacheId, mem3blt->cacheIndex);
/* XP-SP2 servers sometimes ask for cached bitmaps they've never defined. */
if (bitmap == NULL) return;
style = brush->style;