[2/2] wined3d: Set the surface location to SFLAG_INSYSMEM for depth stencils on Reset

[Stefan Dösinger]

Am Montag, 2. Juni 2008 21:12:54 schrieb H. Verbeet:
> This fixes a rather major regression when using FBOs for offscreen
> rendering. Since we destroy the GL texture associated with the
> surface, and INDRAWABLE and INTEXTURE are the same for offscreen
> targets when using FBO ORM, the texture would never get recreated for
> the depth stencil. Depth stencils are special in this regard since
> they can switch between being onscreen and offscreen, for the other
> implicit surfaces this isn't an issue. This should also fix bug 12794.
> (This bug does expose issues with the surface management code, but I
> don't think those are fixable before 1.0)
updateSurfaceDesc releases the allocated system memory, so setting INSYSMEM is 
dangerous as well since allocatedMemory = NULL. depth stencils are't 
lockable, so we may get away with that, but it is still dangerous I think