anv: Move vb_emit setup closer to where it's used in flush_state

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4601>
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index 4375b99..efc0588 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -3239,10 +3239,6 @@
    struct anv_graphics_pipeline *pipeline = cmd_buffer->state.gfx.pipeline;
    uint32_t *p;
 
-   uint32_t vb_emit = cmd_buffer->state.gfx.vb_dirty & pipeline->vb_used;
-   if (cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_PIPELINE)
-      vb_emit |= pipeline->vb_used;
-
    assert((pipeline->active_stages & VK_SHADER_STAGE_COMPUTE_BIT) == 0);
 
    genX(cmd_buffer_config_l3)(cmd_buffer, pipeline->base.l3_config);
@@ -3251,6 +3247,10 @@
 
    genX(flush_pipeline_select_3d)(cmd_buffer);
 
+   uint32_t vb_emit = cmd_buffer->state.gfx.vb_dirty & pipeline->vb_used;
+   if (cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_PIPELINE)
+      vb_emit |= pipeline->vb_used;
+
    if (vb_emit) {
       const uint32_t num_buffers = __builtin_popcount(vb_emit);
       const uint32_t num_dwords = 1 + num_buffers * 4;