Merge branch '7.8'
[mesa.git] / src / gallium / drivers / i965 / brw_gs_state.c
index f27f886a651b78b7ef1c9374050ce50fda39d46f..b64ec286cea4923de3e1a5e31750845169374215 100644 (file)
@@ -69,17 +69,22 @@ gs_unit_populate_key(struct brw_context *brw, struct brw_gs_unit_key *key)
    key->urb_size = brw->urb.vsize;
 }
 
-static struct brw_winsys_buffer *
-gs_unit_create_from_key(struct brw_context *brw, struct brw_gs_unit_key *key)
+static enum pipe_error
+gs_unit_create_from_key(struct brw_context *brw, 
+                        struct brw_gs_unit_key *key,
+                        struct brw_winsys_reloc *reloc,
+                        unsigned nr_reloc,
+                        struct brw_winsys_buffer **bo_out)
 {
    struct brw_gs_unit_state gs;
-   struct brw_winsys_buffer *bo;
+   enum pipe_error ret;
+
 
    memset(&gs, 0, sizeof(gs));
 
+   /* reloc */
    gs.thread0.grf_reg_count = align(key->total_grf, 16) / 16 - 1;
-   if (key->prog_active) /* reloc */
-      gs.thread0.kernel_start_pointer = brw->gs.prog_bo->offset[0] >> 6;
+   gs.thread0.kernel_start_pointer = 0;
 
    gs.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
    gs.thread1.single_program_flow = 1;
@@ -104,40 +109,53 @@ gs_unit_create_from_key(struct brw_context *brw, struct brw_gs_unit_key *key)
    if (BRW_DEBUG & DEBUG_STATS)
       gs.thread4.stats_enable = 1;
 
-   bo = brw_upload_cache(&brw->cache, BRW_GS_UNIT,
-                        key, sizeof(*key),
-                        &brw->gs.prog_bo, 1,
-                        &gs, sizeof(gs),
-                        NULL, NULL);
-
-   if (key->prog_active) {
-      /* Emit GS program relocation */
-      brw->sws->bo_emit_reloc(bo,
-                             BRW_USAGE_STATE,
-                             gs.thread0.grf_reg_count << 1,
-                             offsetof(struct brw_gs_unit_state, thread0),
-                             brw->gs.prog_bo);
-   }
+   ret = brw_upload_cache(&brw->cache, BRW_GS_UNIT,
+                          key, sizeof(*key),
+                          reloc, nr_reloc,
+                          &gs, sizeof(gs),
+                          NULL, NULL,
+                          bo_out);
+   if (ret)
+      return ret;
 
-   return bo;
+   return PIPE_OK;
 }
 
-static int prepare_gs_unit(struct brw_context *brw)
+static enum pipe_error prepare_gs_unit(struct brw_context *brw)
 {
    struct brw_gs_unit_key key;
+   enum pipe_error ret;
+   struct brw_winsys_reloc reloc[1];
+   unsigned nr_reloc = 0;
+   unsigned grf_reg_count;
 
    gs_unit_populate_key(brw, &key);
 
-   brw->sws->bo_unreference(brw->gs.state_bo);
-   brw->gs.state_bo = brw_search_cache(&brw->cache, BRW_GS_UNIT,
-                                      &key, sizeof(key),
-                                      &brw->gs.prog_bo, 1,
-                                      NULL);
-   if (brw->gs.state_bo == NULL) {
-      brw->gs.state_bo = gs_unit_create_from_key(brw, &key);
+   grf_reg_count = (align(key.total_grf, 16) / 16 - 1);
+
+   /* GS program relocation */
+   if (key.prog_active) {
+      make_reloc(&reloc[nr_reloc++],
+                 BRW_USAGE_STATE,
+                 grf_reg_count << 1,
+                 offsetof(struct brw_gs_unit_state, thread0),
+                 brw->gs.prog_bo);
    }
 
-   return 0;
+   if (brw_search_cache(&brw->cache, BRW_GS_UNIT,
+                        &key, sizeof(key),
+                        reloc, nr_reloc,
+                        NULL,
+                        &brw->gs.state_bo))
+      return PIPE_OK;
+
+   ret = gs_unit_create_from_key(brw, &key,
+                                 reloc, nr_reloc,
+                                 &brw->gs.state_bo);
+   if (ret)
+      return ret;
+
+   return PIPE_OK;
 }
 
 const struct brw_tracked_state brw_gs_unit = {