[Mesa-stable] [PATCH 2/2] mesa: don't leak performance monitors on context destroy

[Ilia Mirkin]

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
Cc: "10.0" <mesa-stable at lists.freedesktop.org>
---

Found with valgrind. Don't have the hardware to test a real implementation,
but with nv50 it seemed to work in that valgrind was no longer marking the
hash table as leaked.

 src/mesa/main/context.c             |  1 +
 src/mesa/main/performance_monitor.c | 19 +++++++++++++++++++
 src/mesa/main/performance_monitor.h |  3 +++
 3 files changed, 23 insertions(+)

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 87a4a35..658499f 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1194,6 +1194,7 @@ _mesa_free_context_data( struct gl_context *ctx )
    _mesa_free_sync_data(ctx);
    _mesa_free_varray_data(ctx);
    _mesa_free_transform_feedback(ctx);
+   _mesa_free_performance_monitors(ctx);
 
    _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj, NULL);
    _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj, NULL);
diff --git a/src/mesa/main/performance_monitor.c b/src/mesa/main/performance_monitor.c
index 4981e6f..e62f770 100644
--- a/src/mesa/main/performance_monitor.c
+++ b/src/mesa/main/performance_monitor.c
@@ -93,6 +93,25 @@ fail:
    return NULL;
 }
 
+static void
+free_performance_monitor(GLuint key, void *data, void *user)
+{
+   struct gl_perf_monitor_object *m = data;
+   struct gl_context *ctx = user;
+
+   ralloc_free(m->ActiveGroups);
+   ralloc_free(m->ActiveCounters);
+   ctx->Driver.DeletePerfMonitor(ctx, m);
+}
+
+void
+_mesa_free_performance_monitors(struct gl_context *ctx)
+{
+   _mesa_HashDeleteAll(ctx->PerfMonitor.Monitors,
+                       free_performance_monitor, ctx);
+   _mesa_DeleteHashTable(ctx->PerfMonitor.Monitors);
+}
+
 static inline struct gl_perf_monitor_object *
 lookup_monitor(struct gl_context *ctx, GLuint id)
 {
diff --git a/src/mesa/main/performance_monitor.h b/src/mesa/main/performance_monitor.h
index a852a41..76234e5 100644
--- a/src/mesa/main/performance_monitor.h
+++ b/src/mesa/main/performance_monitor.h
@@ -35,6 +35,9 @@
 extern void
 _mesa_init_performance_monitors(struct gl_context *ctx);
 
+extern void
+_mesa_free_performance_monitors(struct gl_context *ctx);
+
 extern void GLAPIENTRY
 _mesa_GetPerfMonitorGroupsAMD(GLint *numGroups, GLsizei groupsSize,
                               GLuint *groups);
-- 
1.8.3.2