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glfw: force init in time.zig

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InKryption 2021-11-21 19:25:10 +01:00 • committed by Stephen Gutekanst
parent 1c33e85af3
commit 4e22d5811e
1 changed files with 15 additions and 20 deletions
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35
glfw/src/time.zig
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@ -4,6 +4,8 @@ const c = @import("c.zig").c;
const Error = @import("errors.zig").Error;
const getError = @import("errors.zig").getError;
const internal_debug = @import("internal_debug.zig");
/// Returns the GLFW time.
///
/// This function returns the current GLFW time, in seconds. Unless the time
@ -26,13 +28,9 @@ const getError = @import("errors.zig").getError;
///
/// see also: time
pub inline fn getTime() f64 {
internal_debug.assertInitialized();
const time = c.glfwGetTime();
// The only error this could return would be glfw.Error.NotInitialized, which should
// definitely have occurred before calls to this. Returning an error here makes the API
// awkward to use, so we discard it instead.
getError() catch {};
getError() catch unreachable; // Only error 'GLFW_NOT_INITIALIZED' is impossible
return time;
}
@ -55,9 +53,14 @@ pub inline fn getTime() f64 {
/// base time is not atomic, so it needs to be externally synchronized with calls to glfw.getTime.
///
/// see also: time
pub inline fn setTime(time: f64) Error!void {
pub inline fn setTime(time: f64) error{ InvalidValue }!void {
internal_debug.assertInitialized();
c.glfwSetTime(time);
try getError();
getError() catch |err| return switch (err) {
// TODO: Consider whether to use GLFW error handling, or assert that 'time' is a valid value
Error.InvalidValue => err,
else => unreachable,
};
}
/// Returns the current value of the raw timer.
@ -71,13 +74,9 @@ pub inline fn setTime(time: f64) Error!void {
///
/// see also: time, glfw.getTimerFrequency
pub inline fn getTimerValue() u64 {
internal_debug.assertInitialized();
const value = c.glfwGetTimerValue();
// The only error this could return would be glfw.Error.NotInitialized, which should
// definitely have occurred before calls to this. Returning an error here makes the API
// awkward to use, so we discard it instead.
getError() catch {};
getError() catch unreachable; // Only error 'GLFW_NOT_INITIALIZED' is impossible
return value;
}
@ -91,13 +90,9 @@ pub inline fn getTimerValue() u64 {
///
/// see also: time, glfw.getTimerValue
pub inline fn getTimerFrequency() u64 {
internal_debug.assertInitialized();
const frequency = c.glfwGetTimerFrequency();
// The only error this could return would be glfw.Error.NotInitialized, which should
// definitely have occurred before calls to this. Returning an error here makes the API
// awkward to use, so we discard it instead.
getError() catch {};
getError() catch unreachable; // Only error 'GLFW_NOT_INITIALIZED' is impossible
return frequency;
}