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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5564 | serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2013 Marek Olšák |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | /* This file contains code for calculating framerate for displaying on the HUD. |
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| 29 | */ |
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| 30 | |||
| 31 | #include "hud/hud_private.h" |
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| 32 | #include "os/os_time.h" |
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| 33 | #include "util/u_memory.h" |
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| 34 | |||
| 35 | struct fps_info { |
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| 36 | int frames; |
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| 37 | uint64_t last_time; |
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| 38 | }; |
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| 39 | |||
| 40 | static void |
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| 41 | query_fps(struct hud_graph *gr) |
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| 42 | { |
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| 43 | struct fps_info *info = gr->query_data; |
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| 44 | uint64_t now = os_time_get(); |
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| 45 | |||
| 46 | info->frames++; |
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| 47 | |||
| 48 | if (info->last_time) { |
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| 49 | if (info->last_time + gr->pane->period <= now) { |
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| 50 | double fps = (uint64_t)info->frames * 1000000 / |
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| 51 | (double)(now - info->last_time); |
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| 52 | info->frames = 0; |
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| 53 | info->last_time = now; |
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| 54 | |||
| 55 | hud_graph_add_value(gr, (uint64_t) fps); |
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| 56 | } |
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| 57 | } |
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| 58 | else { |
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| 59 | info->last_time = now; |
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| 60 | } |
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| 61 | } |
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| 62 | |||
| 63 | static void |
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| 64 | free_query_data(void *p) |
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| 65 | { |
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| 66 | FREE(p); |
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| 67 | } |
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| 68 | |||
| 69 | void |
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| 70 | hud_fps_graph_install(struct hud_pane *pane) |
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| 71 | { |
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| 72 | struct hud_graph *gr = CALLOC_STRUCT(hud_graph); |
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| 73 | |||
| 74 | if (!gr) |
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| 75 | return; |
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| 76 | |||
| 77 | strcpy(gr->name, "fps"); |
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| 78 | gr->query_data = CALLOC_STRUCT(fps_info); |
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| 79 | if (!gr->query_data) { |
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| 80 | FREE(gr); |
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| 81 | return; |
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| 82 | } |
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| 83 | |||
| 84 | gr->query_new_value = query_fps; |
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| 85 | |||
| 86 | /* Don't use free() as our callback as that messes up Gallium's |
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| 87 | * memory debugger. Use simple free_query_data() wrapper. |
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| 88 | */ |
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| 89 | gr->free_query_data = free_query_data; |
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| 90 | |||
| 91 | hud_pane_add_graph(pane, gr); |
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| 92 | } |