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Commit c62e978d authored by Oliver Stieber's avatar Oliver Stieber Committed by Alexandre Julliard
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Verify that the texture coordinate used in DrawStridedSlow is in range

before trying to referencing the associated data.
parent 39d6e30d
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Showing with 8 additions and 2 deletions
dlls/wined3d/drawprim.c
View file @ c62e978d
......@@ -1317,13 +1317,19 @@ static void drawStridedSlow(IWineD3DDevice *iface, Direct3DVertexStridedData *sd
if (This->stateBlock->textures[textureNo] != NULL) {
int coordIdx = This->stateBlock->textureState[textureNo][D3DTSS_TEXCOORDINDEX];
float *ptrToCoords = (float *)(sd->u.s.texCoords[coordIdx].lpData + (SkipnStrides * sd->u.s.texCoords[coordIdx].dwStride));
float *ptrToCoords = NULL;
float s = 0.0, t = 0.0, r = 0.0, q = 0.0;
if (coordIdx > 7) {
VTRACE(("tex: %d - Skip tex coords, as being system generated\n", textureNo));
continue;
} else if (sd->u.s.texCoords[coordIdx].lpData == NULL) {
} else if (coordIdx < 0) {
FIXME("tex: %d - Coord index %d is less than zero, expect a crash.\n", textureNo, coordIdx);
continue;
}
ptrToCoords = (float *)(sd->u.s.texCoords[coordIdx].lpData + (SkipnStrides * sd->u.s.texCoords[coordIdx].dwStride));
if (sd->u.s.texCoords[coordIdx].lpData == NULL) {
TRACE("tex: %d - Skipping tex coords, as no data supplied\n", textureNo);
continue;
} else {
......
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