d3dx9: Use 0 instead of D3DLOCK_DISCARD in OptimizeInPlace.

It does not make sense to use D3DLOCK_DISCARD for locking a newly created vertex buffer because it will be allocated, freed, and then allocated again.

d3dx9: Use 0 instead of D3DLOCK_DISCARD in OptimizeInPlace.
342faea0 · Michael Mc Donnell · Alexandre Julliard · 97556eb0 · 342faea0
Commit 342faea0 authored Aug 19, 2011 by Michael Mc Donnell Committed by Alexandre Julliard Aug 31, 2011
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mesh.c dlls/d3dx9_36/mesh.c +1 -1

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--- a/dlls/d3dx9_36/mesh.c
+++ b/dlls/d3dx9_36/mesh.c
@@ -1293,7 +1293,7 @@ static HRESULT WINAPI ID3DXMeshImpl_OptimizeInplace(ID3DXMesh *iface, DWORD flag
        hr = IDirect3DVertexBuffer9_Lock(This->vertex_buffer, 0, 0, (void**)&orig_vertices, D3DLOCK_READONLY);
        if (FAILED(hr)) goto cleanup;

-        hr = IDirect3DVertexBuffer9_Lock(vertex_buffer, 0, 0, (void**)&new_vertices, D3DLOCK_DISCARD);
+        hr = IDirect3DVertexBuffer9_Lock(vertex_buffer, 0, 0, (void**)&new_vertices, 0);
        if (FAILED(hr)) {
            IDirect3DVertexBuffer9_Unlock(This->vertex_buffer);
            goto cleanup;