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ddraw: Require a non-zero back buffer count for swap chains.

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Henri Verbeet 2013-12-05 10:34:15 +01:00 committed by Alexandre Julliard
parent 23f47b573e
commit 8797a9eda3
1 changed files with 7 additions and 0 deletions
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7
dlls/ddraw/surface.c
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@ -5647,6 +5647,13 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
return DDERR_INVALIDCAPS; return DDERR_INVALIDCAPS;
} }
if (!(desc->dwFlags & DDSD_BACKBUFFERCOUNT) || !desc->dwBackBufferCount)
{
WARN("Tried to create a flippable primary surface without any back buffers.\n");
HeapFree(GetProcessHeap(), 0, texture);
return DDERR_INVALIDCAPS;
}
if (!(ddraw->cooperative_level & DDSCL_EXCLUSIVE)) if (!(ddraw->cooperative_level & DDSCL_EXCLUSIVE))
{ {
WARN("Tried to create a flippable primary surface without DDSCL_EXCLUSIVE.\n"); WARN("Tried to create a flippable primary surface without DDSCL_EXCLUSIVE.\n");