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authormarha <marha@users.sourceforge.net>2013-04-08 08:17:23 +0200
committermarha <marha@users.sourceforge.net>2013-04-11 11:13:40 +0200
commit59038e048c4be1e69744b087ba31386e98141a8f (patch)
treeb91f0b662663be6f26e985b0c09a906cfad9ccc5 /mesalib/src/gallium/auxiliary/hud/hud_fps.c
parentdde22e946ccfb0bd937224daf42403b80528c2a6 (diff)
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fontconfig libXau mesa xserver xkeyboard-config git update 8 Apr 2013
xserver commit 8928f8fa0bb154ce437af703ff702016f0dcf127 xkeyboard-config commit e5c6729f3679fe87a703eb1d7ec1cf0a61814ca8 libXau commit f5a57d8a21a34d7084cce294e24c0422e02ef8ef fontconfig commit 18bf57c70aafcad031c0b43756b754dcaf6a756a mesa commit eff66bc9f855fff5c4f5f57f247254a97431e8ad
Diffstat (limited to 'mesalib/src/gallium/auxiliary/hud/hud_fps.c')
-rw-r--r--mesalib/src/gallium/auxiliary/hud/hud_fps.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/hud/hud_fps.c b/mesalib/src/gallium/auxiliary/hud/hud_fps.c
new file mode 100644
index 000000000..71cdfd04e
--- /dev/null
+++ b/mesalib/src/gallium/auxiliary/hud/hud_fps.c
@@ -0,0 +1,81 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Marek Olšák <maraeo@gmail.com>
+ * All Rights Reserved.
+ *
+ * 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 AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+/* This file contains code for calculating framerate for displaying on the HUD.
+ */
+
+#include "hud/hud_private.h"
+#include "os/os_time.h"
+#include "util/u_memory.h"
+
+struct fps_info {
+ int frames;
+ uint64_t last_time;
+};
+
+static void
+query_fps(struct hud_graph *gr)
+{
+ struct fps_info *info = gr->query_data;
+ uint64_t now = os_time_get();
+
+ info->frames++;
+
+ if (info->last_time) {
+ if (info->last_time + gr->pane->period <= now) {
+ double fps = info->frames * 1000000 / (double)(now - info->last_time);
+ info->frames = 0;
+ info->last_time = now;
+
+ hud_graph_add_value(gr, fps);
+ }
+ }
+ else {
+ info->last_time = now;
+ }
+}
+
+void
+hud_fps_graph_install(struct hud_pane *pane)
+{
+ struct hud_graph *gr = CALLOC_STRUCT(hud_graph);
+
+ if (!gr)
+ return;
+
+ strcpy(gr->name, "fps");
+ gr->query_data = CALLOC_STRUCT(fps_info);
+ if (!gr->query_data) {
+ FREE(gr);
+ return;
+ }
+
+ gr->query_new_value = query_fps;
+ gr->free_query_data = free;
+
+ hud_pane_add_graph(pane, gr);
+}