gallium/u_blitter: don't adjust cubemap coordinates by a small number

It may cause issues with mipmap generation.
I think it was used to make some piglit tests pass on r300g.

diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index 1e7f374..64a3dcf 100644 (file)
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -704,7 +704,7 @@ static void blitter_set_texcoords(struct blitter_context_priv *ctx,
                                         /* pointer, stride in floats */
                                         &face_coord[0][0], 2,
                                         &ctx->vertices[0][1][0], 8,
-                                        TRUE);
+                                        FALSE);
    } else {
       set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8);
    }