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[client] autodetect monitor refresh rate for fps limit

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orcephrye
2019-07-08 20:13:24 -05:00
committed by Geoffrey McRae
parent 745ba66119
commit 8ad2d5f949
2 changed files with 22 additions and 3 deletions
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4
client/src/config.c
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@@ -185,10 +185,10 @@ static struct Option options[] =
{
.module = "win",
.name = "fpsLimit",
.description = "Frame rate limit (0 = disable - not recommended)",
.description = "Frame rate limit (0 = disable - not recommended, -1 = auto detect)",
.shortopt = 'K',
.type = OPTION_TYPE_INT,
.value.x_int = 200,
.value.x_int = -1,
},
{
.module = "win",

21
client/src/main.c
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@@ -1000,7 +1000,6 @@ int run()
state.running = true;
state.scaleX = 1.0f;
state.scaleY = 1.0f;
state.frameTime = 1e9 / params.fpsLimit;
state.mouseSens = params.mouseSens;
if (state.mouseSens < -9) state.mouseSens = -9;
@@ -1120,6 +1119,26 @@ int run()
// ensure renderer viewport is aware of the current window size
updatePositionInfo();
//Auto detect active monitor refresh rate for FPS Limit if no FPS Limit was passed.
if (params.fpsLimit == -1)
{
SDL_DisplayMode current;
if (SDL_GetCurrentDisplayMode(SDL_GetWindowDisplayIndex(state.window), &current) == 0)
{
state.frameTime = 1e9 / (current.refresh_rate * 2);
}
else
{
DEBUG_WARN("Unable to capture monitor refresh rate using the default FPS Limit: 200");
state.frameTime = 1e9 / 200;
}
}
else
{
DEBUG_INFO("Using the FPS Limit from args: %d", params.fpsLimit);
state.frameTime = 1e9 / params.fpsLimit;
}
register_key_binds();
// set the compositor hint to bypass for low latency