| 0,0 → 1,92 |
|---|
| /************************************************************************** |
| * |
| * 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 = (uint64_t)info->frames * 1000000 / |
| (double)(now - info->last_time); |
| info->frames = 0; |
| info->last_time = now; |
| |
| hud_graph_add_value(gr, (uint64_t) fps); |
| } |
| } |
| else { |
| info->last_time = now; |
| } |
| } |
| |
| static void |
| free_query_data(void *p) |
| { |
| FREE(p); |
| } |
| |
| 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; |
| |
| /* Don't use free() as our callback as that messes up Gallium's |
| * memory debugger. Use simple free_query_data() wrapper. |
| */ |
| gr->free_query_data = free_query_data; |
| |
| hud_pane_add_graph(pane, gr); |
| } |