From 2c1ec23a0618b93cf0f5ae29aac27bb2c4a5e18c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Sat, 22 Apr 2017 23:44:46 +0200
Subject: [PATCH] gallium/util: add debugging helpers printing pipeline
 statistics
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typically useful for hw bring-up

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---
 src/gallium/auxiliary/util/u_helpers.c | 51 ++++++++++++++++++++++++++
 src/gallium/auxiliary/util/u_helpers.h |  8 ++++
 2 files changed, 59 insertions(+)

diff --git a/src/gallium/auxiliary/util/u_helpers.c b/src/gallium/auxiliary/util/u_helpers.c
index 35cca82c8e0..5b46fa1351f 100644
--- a/src/gallium/auxiliary/util/u_helpers.c
+++ b/src/gallium/auxiliary/util/u_helpers.c
@@ -28,6 +28,7 @@
 #include "util/u_helpers.h"
 #include "util/u_inlines.h"
 #include "util/u_upload_mgr.h"
+#include <inttypes.h>
 
 /**
  * This function is used to copy an array of pipe_vertex_buffer structures,
@@ -139,3 +140,53 @@ util_save_and_upload_index_buffer(struct pipe_context *pipe,
    pipe_resource_reference(&new_ib.buffer, NULL);
    return true;
 }
+
+struct pipe_query *
+util_begin_pipestat_query(struct pipe_context *ctx)
+{
+   struct pipe_query *q =
+      ctx->create_query(ctx, PIPE_QUERY_PIPELINE_STATISTICS, 0);
+   if (!q)
+      return NULL;
+
+   ctx->begin_query(ctx, q);
+   return q;
+}
+
+void
+util_end_pipestat_query(struct pipe_context *ctx, struct pipe_query *q,
+                        FILE *f)
+{
+   static unsigned counter;
+   struct pipe_query_data_pipeline_statistics stats;
+
+   ctx->end_query(ctx, q);
+   ctx->get_query_result(ctx, q, true, (void*)&stats);
+   ctx->destroy_query(ctx, q);
+
+   fprintf(f,
+           "Draw call %u:\n"
+           "    ia_vertices    = %"PRIu64"\n"
+           "    ia_primitives  = %"PRIu64"\n"
+           "    vs_invocations = %"PRIu64"\n"
+           "    gs_invocations = %"PRIu64"\n"
+           "    gs_primitives  = %"PRIu64"\n"
+           "    c_invocations  = %"PRIu64"\n"
+           "    c_primitives   = %"PRIu64"\n"
+           "    ps_invocations = %"PRIu64"\n"
+           "    hs_invocations = %"PRIu64"\n"
+           "    ds_invocations = %"PRIu64"\n"
+           "    cs_invocations = %"PRIu64"\n",
+           p_atomic_inc_return(&counter),
+           stats.ia_vertices,
+           stats.ia_primitives,
+           stats.vs_invocations,
+           stats.gs_invocations,
+           stats.gs_primitives,
+           stats.c_invocations,
+           stats.c_primitives,
+           stats.ps_invocations,
+           stats.hs_invocations,
+           stats.ds_invocations,
+           stats.cs_invocations);
+}
diff --git a/src/gallium/auxiliary/util/u_helpers.h b/src/gallium/auxiliary/util/u_helpers.h
index 7de960b907d..2b382a1a54e 100644
--- a/src/gallium/auxiliary/util/u_helpers.h
+++ b/src/gallium/auxiliary/util/u_helpers.h
@@ -29,6 +29,7 @@
 #define U_HELPERS_H
 
 #include "pipe/p_state.h"
+#include <stdio.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -52,6 +53,13 @@ bool util_save_and_upload_index_buffer(struct pipe_context *pipe,
                                        const struct pipe_index_buffer *ib,
                                        struct pipe_index_buffer *out_saved);
 
+struct pipe_query *
+util_begin_pipestat_query(struct pipe_context *ctx);
+
+void
+util_end_pipestat_query(struct pipe_context *ctx, struct pipe_query *q,
+                        FILE *f);
+
 #ifdef __cplusplus
 }
 #endif
-- 
2.30.2