Files
LookingGlass/client/src/overlay/fps.c
2025-03-05 12:24:38 +11:00

105 lines
2.7 KiB
C

/**
* Looking Glass
* Copyright © 2017-2025 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "interface/overlay.h"
#include "cimgui.h"
#include "overlay_utils.h"
#include "common/option.h"
#include "../main.h"
static bool showFPS;
static void showFPSKeybind(int sc, void * opaque)
{
showFPS ^= true;
app_invalidateWindow(false);
}
static void fps_earlyInit(void)
{
static struct Option options[] =
{
{
.module = "win",
.name = "showFPS",
.description = "Enable the FPS & UPS display",
.shortopt = 'k',
.type = OPTION_TYPE_BOOL,
.value.x_bool = false,
},
{ 0 }
};
option_register(options);
}
static bool fps_init(void ** udata, const void * params)
{
app_registerKeybind(0, 'D', showFPSKeybind, NULL, "FPS display toggle");
showFPS = option_get_bool("win", "showFPS");
return true;
}
static void fps_free(void * udata)
{
}
static int fps_render(void * udata, bool interactive, struct Rect * windowRects,
int maxRects)
{
if (!showFPS)
return 0;
ImVec2 pos = {0.0f, 0.0f};
igSetNextWindowBgAlpha(0.6f);
igSetNextWindowPos(pos, ImGuiCond_FirstUseEver, pos);
igPushStyleVar_Vec2(ImGuiStyleVar_WindowPadding, (ImVec2) { 4.0f , 4.0f });
igPushStyleVar_Vec2(ImGuiStyleVar_WindowMinSize, (ImVec2) { 0.0f , 0.0f });
igBegin(
"FPS",
NULL,
ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_AlwaysAutoResize |
ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav |
ImGuiWindowFlags_NoTitleBar
);
igText("FPS:%4.2f UPS:%4.2f",
atomic_load_explicit(&g_state.fps, memory_order_relaxed),
atomic_load_explicit(&g_state.ups, memory_order_relaxed));
overlayGetImGuiRect(windowRects);
igEnd();
igPopStyleVar(2);
return 1;
}
struct LG_OverlayOps LGOverlayFPS =
{
.name = "FPS",
.earlyInit = fps_earlyInit,
.init = fps_init,
.free = fps_free,
.render = fps_render
};