void
brw_write_depth_count(struct brw_context *brw, drm_intel_bo *query_bo, int idx)
{
- /* Emit Sandybridge workaround flush: */
- if (brw->gen == 6)
- intel_emit_post_sync_nonzero_flush(brw);
+ 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);
}
/**
* so turn them on now.
*/
brw->stats_wm++;
- SET_DIRTY_BIT(brw, BRW_NEW_STATS_WM);
+ brw->ctx.NewDriverState |= BRW_NEW_STATS_WM;
break;
default:
brw->query.obj = NULL;
brw->stats_wm--;
- SET_DIRTY_BIT(brw, BRW_NEW_STATS_WM);
+ brw->ctx.NewDriverState |= BRW_NEW_STATS_WM;
break;
default:
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;
}
/**
struct brw_context *brw = brw_context(ctx);
uint64_t result = 0;
- drm_intel_reg_read(brw->bufmgr, TIMESTAMP, &result);
+ switch (brw->intelScreen->hw_has_timestamp) {
+ case 3: /* New kernel, always full 36bit accuracy */
+ drm_intel_reg_read(brw->bufmgr, TIMESTAMP | 1, &result);
+ break;
+ case 2: /* 64bit kernel, result is left-shifted by 32bits, losing 4bits */
+ drm_intel_reg_read(brw->bufmgr, TIMESTAMP, &result);
+ result = result >> 32;
+ break;
+ case 1: /* 32bit kernel, result is 36bit wide but may be inaccurate! */
+ drm_intel_reg_read(brw->bufmgr, TIMESTAMP, &result);
+ break;
+ }
/* See logic in brw_queryobj_get_results() */
- result = result >> 32;
result *= 80;
result &= (1ull << 36) - 1;
-
return result;
}