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d3dx9: Don't pass the D3DLOCK_DISCARD flag when mapping a texture. 

We aren't necessarily rewriting the whole surface (e.g. rect smaller than
the whole surface, color key).

Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Matteo Bruni 2019-09-27 20:40:04 +02:00 committed by Alexandre Julliard
parent a838e144dc
commit 536fce7f3b
1 changed files with 1 additions and 1 deletions
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2
dlls/d3dx9_36/surface.c
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@ -209,7 +209,7 @@ HRESULT lock_surface(IDirect3DSurface9 *surface, const RECT *surface_rect, D3DLO
DWORD lock_flag;
HRESULT hr;
lock_flag = write ? D3DLOCK_DISCARD : D3DLOCK_READONLY;
lock_flag = write ? 0 : D3DLOCK_READONLY;
*temp_surface = NULL;
if (FAILED(hr = IDirect3DSurface9_LockRect(surface, lock, surface_rect, lock_flag)))
{