1 files changed, 123 insertions, 0 deletions
diff --git a/src/gallium/drivers/etnaviv/etnaviv_query_sw.c b/src/gallium/drivers/etnaviv/etnaviv_query_sw.c
new file mode 100644
index 00000000000..d6420d96085
--- /dev/null
+++ b/src/gallium/drivers/etnaviv/etnaviv_query_sw.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2016 Etnaviv Project
+ *
+ * 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]>
+ */
+
+#include "os/os_time.h"
+#include "pipe/p_state.h"
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+#include "util/u_string.h"
+
+#include "etnaviv_context.h"
+#include "etnaviv_query_sw.h"
+
+static void
+etna_sw_destroy_query(struct etna_context *ctx, struct etna_query *q)
+{
+   struct etna_sw_query *sq = etna_sw_query(q);
+
+   FREE(sq);
+}
+
+static uint64_t
+read_counter(struct etna_context *ctx, int type)
+{
+   switch (type) {
+   case PIPE_QUERY_PRIMITIVES_EMITTED:
+      return ctx->stats.prims_emitted;
+   case ETNA_QUERY_DRAW_CALLS:
+      return ctx->stats.draw_calls;
+   }
+
+   return 0;
+}
+
+static boolean
+etna_sw_begin_query(struct etna_context *ctx, struct etna_query *q)
+{
+   struct etna_sw_query *sq = etna_sw_query(q);
+
+   q->active = true;
+   sq->begin_value = read_counter(ctx, q->type);
+
+   return true;
+}
+
+static void
+etna_sw_end_query(struct etna_context *ctx, struct etna_query *q)
+{
+   struct etna_sw_query *sq = etna_sw_query(q);
+
+   q->active = false;
+   sq->end_value = read_counter(ctx, q->type);
+}
+
+static boolean
+etna_sw_get_query_result(struct etna_context *ctx, struct etna_query *q,
+                         boolean wait, union pipe_query_result *result)
+{
+   struct etna_sw_query *sq = etna_sw_query(q);
+
+   if (q->active)
+      return false;
+
+   util_query_clear_result(result, q->type);
+   result->u64 = sq->end_value - sq->begin_value;
+
+   return true;
+}
+
+static const struct etna_query_funcs sw_query_funcs = {
+   .destroy_query = etna_sw_destroy_query,
+   .begin_query = etna_sw_begin_query,
+   .end_query = etna_sw_end_query,
+   .get_query_result = etna_sw_get_query_result,
+};
+
+struct etna_query *
+etna_sw_create_query(struct etna_context *ctx, unsigned query_type)
+{
+   struct etna_sw_query *sq;
+   struct etna_query *q;
+
+   switch (query_type) {
+   case PIPE_QUERY_PRIMITIVES_EMITTED:
+   case ETNA_QUERY_DRAW_CALLS:
+      break;
+   default:
+      return NULL;
+   }
+
+   sq = CALLOC_STRUCT(etna_sw_query);
+   if (!sq)
+      return NULL;
+
+   q = &sq->base;
+   q->funcs = &sw_query_funcs;
+   q->type = query_type;
+
+   return q;
+}