wined3d: Reject cross-device blits.

DirectDraw tests show that cross-device blits are supposed to work for limited cases between system memory surfaces. However, cross-device blits are unsafe in wined3d, especially with CSMT enabled. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45382Signed-off-by: Józef Kucia <jkucia@codeweavers.com> Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wined3d: Reject cross-device blits.
db6f9588 · Józef Kucia · Alexandre Julliard · 1da24bcd · db6f9588
Commit db6f9588 authored Aug 09, 2018 by Józef Kucia Committed by Alexandre Julliard Aug 14, 2018
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texture.c dlls/wined3d/texture.c +6 -0

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--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c
@@ -3119,6 +3119,12 @@ HRESULT CDECL wined3d_texture_blt(struct wined3d_texture *dst_texture, unsigned 
        return WINED3DERR_INVALIDCALL;
    }

+    if (dst_texture->resource.device != src_texture->resource.device)
+    {
+        FIXME("Rejecting cross-device blit.\n");
+        return E_NOTIMPL;
+    }
+
    wined3d_cs_emit_blt_sub_resource(dst_texture->resource.device->cs, &dst_texture->resource, dst_sub_resource_idx,
            &dst_box, &src_texture->resource, src_sub_resource_idx, &src_box, flags, fx, filter);