i965: drop state_bo references to batch_bo

As we use state relocations and we know that all the state belongs to
the same bo, we can drop the multiple references to the same bo.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 5 insertions, 12 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_vs_surface_state.c b/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
index b0b0544..48cf265 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_surface_state.c
@@ -124,13 +124,11 @@ brw_update_vs_constant_surface( struct gl_context *ctx,
     * it.
     */
    if (brw->vs.const_bo == NULL) {
-      drm_intel_bo_unreference(brw->vs.surf_bo[surf]);
-      brw->vs.surf_bo[surf] = NULL;
+      brw->vs.surf_offset[surf] = 0;
       return;
    }
 
    brw_create_constant_surface(brw, brw->vs.const_bo, params->NumParameters,
-			       &brw->vs.surf_bo[surf],
 			       &brw->vs.surf_offset[surf]);
 }
 
@@ -166,11 +164,10 @@ static void upload_vs_surfaces(struct brw_context *brw)
 
    /* BRW_NEW_NR_VS_SURFACES */
    if (brw->vs.nr_surfaces == 0) {
-      if (brw->vs.bind_bo) {
-	 drm_intel_bo_unreference(brw->vs.bind_bo);
-	 brw->vs.bind_bo = NULL;
+      if (brw->vs.bind_bo_offset) {
 	 brw->state.dirty.brw |= BRW_NEW_BINDING_TABLE;
       }
+      brw->vs.bind_bo_offset = 0;
       return;
    }
 
@@ -180,15 +177,11 @@ static void upload_vs_surfaces(struct brw_context *brw)
     * space for the binding table. (once we have vs samplers)
     */
    bind = brw_state_batch(brw, sizeof(uint32_t) * BRW_VS_MAX_SURF,
-			  32, &brw->vs.bind_bo, &brw->vs.bind_bo_offset);
+			  32, &brw->vs.bind_bo_offset);
 
    for (i = 0; i < BRW_VS_MAX_SURF; i++) {
       /* BRW_NEW_VS_CONSTBUF */
-      if (brw->vs.surf_bo[i]) {
-	 bind[i] = brw->vs.surf_offset[i];
-      } else {
-	 bind[i] = 0;
-      }
+      bind[i] = brw->vs.surf_offset[i];
    }
 
    brw->state.dirty.brw |= BRW_NEW_BINDING_TABLE;