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-rw-r--r--src/gallium/state_trackers/nine/vertexdeclaration9.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/nine/vertexdeclaration9.c b/src/gallium/state_trackers/nine/vertexdeclaration9.c
index 49e5937a52e..9e4cb55bc67 100644
--- a/src/gallium/state_trackers/nine/vertexdeclaration9.c
+++ b/src/gallium/state_trackers/nine/vertexdeclaration9.c
@@ -184,8 +184,10 @@ NineVertexDeclaration9_ctor( struct NineVertexDeclaration9 *This,
/* wine */
for (This->nelems = 0;
pElements[This->nelems].Stream != 0xFF;
- ++This->nelems)
+ ++This->nelems) {
user_assert(pElements[This->nelems].Type != D3DDECLTYPE_UNUSED, E_FAIL);
+ user_assert(!(pElements[This->nelems].Offset & 3), E_FAIL);
+ }
caps = NineDevice9_GetCaps(This->base.device);
user_assert(This->nelems <= caps->MaxStreams, D3DERR_INVALIDCALL);