r600g: Use separate index_bias variable

Needed to get rid of a separate struct allocation in the next patch, because
the one in argument is a constant, and don't allow changing its fields.

Signed-off-by: Constantine Kharlamov <Hi-Angel@yandex.ru>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index cedeb74..f33647f 100644 (file)
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1678,6 +1678,7 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
        bool render_cond_bit = rctx->b.render_cond && !rctx->b.render_cond_force_off;
        uint64_t mask;
        unsigned num_patches, dirty_tex_counter;
+       int index_bias;
 
        if (!info.indirect && !info.count && (info.indexed || !info.count_from_stream_output)) {
                return;
@@ -1774,18 +1775,19 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
                                      ib.user_buffer, &ib.offset, &ib.buffer);
                        ib.user_buffer = NULL;
                }
+               index_bias = info.index_bias;
        } else {
-               info.index_bias = info.start;
+               index_bias = info.start;
        }
 
        /* Set the index offset and primitive restart. */
        if (rctx->vgt_state.vgt_multi_prim_ib_reset_en != info.primitive_restart ||
            rctx->vgt_state.vgt_multi_prim_ib_reset_indx != info.restart_index ||
-           rctx->vgt_state.vgt_indx_offset != info.index_bias ||
+           rctx->vgt_state.vgt_indx_offset != index_bias ||
            (rctx->vgt_state.last_draw_was_indirect && !info.indirect)) {
                rctx->vgt_state.vgt_multi_prim_ib_reset_en = info.primitive_restart;
                rctx->vgt_state.vgt_multi_prim_ib_reset_indx = info.restart_index;
-               rctx->vgt_state.vgt_indx_offset = info.index_bias;
+               rctx->vgt_state.vgt_indx_offset = index_bias;
                r600_mark_atom_dirty(rctx, &rctx->vgt_state.atom);
        }