draw/llvm: reduce memory usage

Lets make draw_get_option_use_llvm function available unconditionally
and use it to avoid useless allocations when LLVM paths are active.
TGSI machine is never used when we're using LLVM.

Signed-off-by: Zack Rusin <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
Reviewed-by: José Fonseca <[email protected]>

1 files changed, 7 insertions, 4 deletions

diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c
index 55cbeb9203d..eb7f4e0967c 100644
--- a/src/gallium/auxiliary/draw/draw_vs.c
+++ b/src/gallium/auxiliary/draw/draw_vs.c
@@ -149,9 +149,11 @@ draw_vs_init( struct draw_context *draw )
 {
    draw->dump_vs = debug_get_option_gallium_dump_vs();
 
-   draw->vs.tgsi.machine = tgsi_exec_machine_create();
-   if (!draw->vs.tgsi.machine)
-      return FALSE;
+   if (!draw_get_option_use_llvm()) {
+      draw->vs.tgsi.machine = tgsi_exec_machine_create();
+      if (!draw->vs.tgsi.machine)
+         return FALSE;
+   }
 
    draw->vs.emit_cache = translate_cache_create();
    if (!draw->vs.emit_cache) 
@@ -173,7 +175,8 @@ draw_vs_destroy( struct draw_context *draw )
    if (draw->vs.emit_cache)
       translate_cache_destroy(draw->vs.emit_cache);
 
-   tgsi_exec_machine_destroy(draw->vs.tgsi.machine);
+   if (!draw_get_option_use_llvm())
+      tgsi_exec_machine_destroy(draw->vs.tgsi.machine);
 }