Reserve the accurate number of dwords in the batch buffer.

1 files changed, 3 insertions, 5 deletions

diff --git a/src/mesa/pipe/i915simple/i915_prim_emit.c b/src/mesa/pipe/i915simple/i915_prim_emit.c
index fcf3c99cac8..40e33e6e096 100644
--- a/src/mesa/pipe/i915simple/i915_prim_emit.c
+++ b/src/mesa/pipe/i915simple/i915_prim_emit.c
@@ -134,7 +134,7 @@ emit_prim( struct draw_stage *stage,
    if (i915->hardware_dirty)
       i915_emit_hardware_state( i915 );
 
-   ptr = BEGIN_BATCH( nr * vertex_size, 0 );
+   ptr = BEGIN_BATCH( 1 + nr * vertex_size / 4, 0 );
    if (ptr == 0) {
       FLUSH_BATCH();
 
@@ -143,7 +143,7 @@ emit_prim( struct draw_stage *stage,
       i915_update_derived( i915 );
       i915_emit_hardware_state( i915 );
 
-      ptr = BEGIN_BATCH( nr * vertex_size, 0 );
+      ptr = BEGIN_BATCH( 1 + nr * vertex_size / 4, 0 );
       if (ptr == 0) {
 	 assert(0);
 	 return;
@@ -157,10 +157,8 @@ emit_prim( struct draw_stage *stage,
 	     hwprim |
 	     ((4 + vertex_size * nr)/4 - 2));
 
-   for (i = 0; i < nr; i++) {
+   for (i = 0; i < nr; i++)
       emit_hw_vertex(i915, prim->v[i]);
-      ptr += vertex_size / sizeof(int);
-   }
 }