i965/fs: Migrate FS gl_SamplePosition/ID computation code to the IR builder.

[mesa.git] / src / mesa / drivers / dri / i965 / brw_queryobj.c

diff --git a/src/mesa/drivers/dri/i965/brw_queryobj.c b/src/mesa/drivers/dri/i965/brw_queryobj.c
index dc26c0864e17a168a1269cbe9ada63d20c58a7dc..aea4d9b77d340d894768bef6fca5f447a0bc72dd 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_queryobj.c
+++ b/src/mesa/drivers/dri/i965/brw_queryobj.c
@@ -63,15 +63,23 @@ brw_write_timestamp(struct brw_context *brw, drm_intel_bo *query_bo, int idx)
 /**
  * Emit PIPE_CONTROLs to write the PS_DEPTH_COUNT register into a buffer.
  */
-static void
-write_depth_count(struct brw_context *brw, drm_intel_bo *query_bo, int idx)
+void
+brw_write_depth_count(struct brw_context *brw, drm_intel_bo *query_bo, int idx)
 {
-   assert(brw->gen < 6);
+   uint32_t flags;
 
-   brw_emit_pipe_control_write(brw,
-                               PIPE_CONTROL_WRITE_DEPTH_COUNT
-                               | PIPE_CONTROL_DEPTH_STALL,
-                               query_bo, idx * sizeof(uint64_t), 0, 0);
+   flags = (PIPE_CONTROL_WRITE_DEPTH_COUNT |
+            PIPE_CONTROL_DEPTH_STALL);
+
+   /* Needed to ensure the memory is coherent for the MI_LOAD_REGISTER_MEM
+    * command when loading the values into the predicate source registers for
+    * conditional rendering.
+    */
+   if (brw->predicate.supported)
+      flags |= PIPE_CONTROL_FLUSH_ENABLE;
+
+   brw_emit_pipe_control_write(brw, flags, query_bo,
+                               idx * sizeof(uint64_t), 0, 0);
 }
 
 /**
@@ -149,8 +157,7 @@ brw_queryobj_get_results(struct gl_context *ctx,
       break;
 
    default:
-      assert(!"Unrecognized query target in brw_queryobj_get_results()");
-      break;
+      unreachable("Unrecognized query target in brw_queryobj_get_results()");
    }
    drm_intel_bo_unmap(query->bo);
 
@@ -254,12 +261,11 @@ brw_begin_query(struct gl_context *ctx, struct gl_query_object *q)
        * so turn them on now.
        */
       brw->stats_wm++;
-      brw->state.dirty.brw |= BRW_NEW_STATS_WM;
+      brw->ctx.NewDriverState |= BRW_NEW_STATS_WM;
       break;
 
    default:
-      assert(!"Unrecognized query target in brw_begin_query()");
-      break;
+      unreachable("Unrecognized query target in brw_begin_query()");
    }
 }
 
@@ -312,12 +318,11 @@ brw_end_query(struct gl_context *ctx, struct gl_query_object *q)
       brw->query.obj = NULL;
 
       brw->stats_wm--;
-      brw->state.dirty.brw |= BRW_NEW_STATS_WM;
+      brw->ctx.NewDriverState |= BRW_NEW_STATS_WM;
       break;
 
    default:
-      assert(!"Unrecognized query target in brw_end_query()");
-      break;
+      unreachable("Unrecognized query target in brw_end_query()");
    }
 }
 
@@ -431,7 +436,7 @@ brw_emit_query_begin(struct brw_context *brw)
 
    ensure_bo_has_space(ctx, query);
 
-   write_depth_count(brw, query->bo, query->last_index * 2);
+   brw_write_depth_count(brw, query->bo, query->last_index * 2);
 
    brw->query.begin_emitted = true;
 }
@@ -453,7 +458,7 @@ brw_emit_query_end(struct brw_context *brw)
    if (!brw->query.begin_emitted)
       return;
 
-   write_depth_count(brw, query->bo, query->last_index * 2 + 1);
+   brw_write_depth_count(brw, query->bo, query->last_index * 2 + 1);
 
    brw->query.begin_emitted = false;
    query->last_index++;
@@ -477,6 +482,8 @@ brw_query_counter(struct gl_context *ctx, struct gl_query_object *q)
    drm_intel_bo_unreference(query->bo);
    query->bo = drm_intel_bo_alloc(brw->bufmgr, "timestamp query", 4096, 4096);
    brw_write_timestamp(brw, query->bo, 0);
+
+   query->flushed = false;
 }
 
 /**