[PATCH 4/5] d3dx9: Don't pass the D3DLOCK_DISCARD flag when mapping a texture.
Matteo Bruni
mbruni at codeweavers.com
Fri Sep 27 13:40:04 CDT 2019
We aren't necessarily rewriting the whole surface (e.g. rect smaller than
the whole surface, color key).
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
---
dlls/d3dx9_36/surface.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/d3dx9_36/surface.c b/dlls/d3dx9_36/surface.c
index 5665bdc3b46..bd2055d54d1 100644
--- a/dlls/d3dx9_36/surface.c
+++ b/dlls/d3dx9_36/surface.c
@@ -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)))
{
--
2.21.0
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