From 0ad26b7da76a5c2b6d1eb652c9aeb22740bc10a6 Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Mon, 17 Jan 2022 22:49:19 +1100
Subject: [PATCH] [client] audio: redraw the graphs if they have been updated

---
 client/include/app.h        | 1 +
 client/src/app.c            | 5 +++++
 client/src/audio.c          | 2 ++
 client/src/overlay/graphs.c | 8 ++++++++
 client/src/overlays.h       | 1 +
 5 files changed, 17 insertions(+)

diff --git a/client/include/app.h b/client/include/app.h
index 8baa6225..f1e979cb 100644
--- a/client/include/app.h
+++ b/client/include/app.h
@@ -116,6 +116,7 @@ typedef const char * (*GraphFormatFn)(const char * name,
 GraphHandle app_registerGraph(const char * name, RingBuffer buffer,
     float min, float max, GraphFormatFn formatFn);
 void app_unregisterGraph(GraphHandle handle);
+void app_invalidateGraphs(void);
 
 void app_overlayConfigRegister(const char * title,
     void (*callback)(void * udata, int * id), void * udata);
diff --git a/client/src/app.c b/client/src/app.c
index 74252e46..4dbdc519 100644
--- a/client/src/app.c
+++ b/client/src/app.c
@@ -706,6 +706,11 @@ void app_unregisterGraph(GraphHandle handle)
   overlayGraph_unregister(handle);
 }
 
+void app_invalidateGraphs(void)
+{
+  overlayGraph_invalidate();
+}
+
 void app_registerOverlay(const struct LG_OverlayOps * ops, const void * params)
 {
   ASSERT_LG_OVERLAY_VALID(ops);
diff --git a/client/src/audio.c b/client/src/audio.c
index 78e756bf..53c18845 100644
--- a/client/src/audio.c
+++ b/client/src/audio.c
@@ -298,4 +298,6 @@ void audio_tick(unsigned long long tickCount)
   ringbuffer_push(audio.playback.timings, &flatency);
 
   LG_UNLOCK(audio.playback.lock);
+
+  app_invalidateGraphs();
 }
diff --git a/client/src/overlay/graphs.c b/client/src/overlay/graphs.c
index 556d3054..630f5a72 100644
--- a/client/src/overlay/graphs.c
+++ b/client/src/overlay/graphs.c
@@ -241,3 +241,11 @@ void overlayGraph_iterate(void (*callback)(GraphHandle handle, const char * name
     callback(graph, graph->name, &graph->enabled, udata);
   ll_unlock(gs.graphs);
 }
+
+void overlayGraph_invalidate(void)
+{
+  if (!gs.show)
+    return;
+
+  app_invalidateWindow(false);
+}
diff --git a/client/src/overlays.h b/client/src/overlays.h
index f96c1195..6cc899d5 100644
--- a/client/src/overlays.h
+++ b/client/src/overlays.h
@@ -47,6 +47,7 @@ GraphHandle overlayGraph_register(const char * name, RingBuffer buffer,
 void overlayGraph_unregister();
 void overlayGraph_iterate(void (*callback)(GraphHandle handle, const char * name,
     bool * enabled, void * udata), void * udata);
+void overlayGraph_invalidate(void);
 
 void overlayConfig_register(const char * title,
     void (*callback)(void * udata, int * id), void * udata);