etnaviv: add basic infrastructure for hw queries

No hardware query is supported yet.

v1 -> v2
 - removed query_type from strcut etna_hw_sample_provider

Signed-off-by: Christian Gmeiner <[email protected]>
Reviewed-by: Wladimir J. van der Laan <[email protected]>

1 files changed, 88 insertions, 0 deletions

diff --git a/src/gallium/drivers/etnaviv/etnaviv_query_hw.h b/src/gallium/drivers/etnaviv/etnaviv_query_hw.h
new file mode 100644
index 00000000000..73f3c851e79
--- /dev/null
+++ b/src/gallium/drivers/etnaviv/etnaviv_query_hw.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2017 Etnaviv Project
+ * Copyright (C) 2017 Zodiac Inflight Innovations
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rob Clark <[email protected]>
+ *    Christian Gmeiner <[email protected]>
+ */
+
+#ifndef H_ETNAVIV_QUERY_HW
+#define H_ETNAVIV_QUERY_HW
+
+#include "etnaviv_query.h"
+
+struct etna_hw_query;
+
+struct etna_hw_sample_provider {
+   void (*start)(struct etna_hw_query *hq, struct etna_context *ctx);
+   void (*stop)(struct etna_hw_query *hq, struct etna_context *ctx);
+   void (*suspend)(struct etna_hw_query *hq, struct etna_context *ctx);
+   void (*resume)(struct etna_hw_query *hq, struct etna_context *ctx);
+
+   void (*result)(struct etna_hw_query *hq, void *buf,
+           union pipe_query_result *result);
+};
+
+struct etna_hw_query {
+   struct etna_query base;
+
+   struct pipe_resource *prsc;
+   unsigned samples;        /* number of samples stored in resource */
+   unsigned no_wait_cnt;    /* see etna_hw_get_query_result() */
+   struct list_head node;   /* list-node in ctx->active_hw_queries */
+
+   const struct etna_hw_sample_provider *provider;
+};
+
+static inline struct etna_hw_query *
+etna_hw_query(struct etna_query *q)
+{
+   return (struct etna_hw_query *)q;
+}
+
+struct etna_query *
+etna_hw_create_query(struct etna_context *ctx, unsigned query_type);
+
+static inline void
+etna_hw_query_suspend(struct etna_hw_query *hq, struct etna_context *ctx)
+{
+   const struct etna_hw_sample_provider *p = hq->provider;
+
+   if (!hq->base.active)
+      return;
+
+   p->suspend(hq, ctx);
+}
+
+static inline void
+etna_hw_query_resume(struct etna_hw_query *hq, struct etna_context *ctx)
+{
+   const struct etna_hw_sample_provider *p = hq->provider;
+
+   if (!hq->base.active)
+      return;
+
+   p->resume(hq, ctx);
+}
+
+#endif