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Use datatype monotonic_t instead of double to keep track of time

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The time is stored in a signed 64 bit integer with nanosecond accuracy. This eliminates the possibility of floating-point inaccuracies.
`monotonic_t` can currently hold values large enough to work correctly for more than 200 years into the future.
Using a typedef instead of directly using `int64_t` everywhere will also allow easily changing the datatype in the future should the need arise for more precise or bigger time values.
This commit is contained in:
Luflosi
2019-08-02 11:49:02 -05:00
parent 4ec1a8d9c3
commit f3b9ff5f9f
33 changed files with 298 additions and 243 deletions
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11
kitty/glfw-wrapper.h generated
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@@ -7,6 +7,7 @@
#pragma once
#include <stddef.h>
#include <stdint.h>
#include "../kitty/monotonic.h"
@@ -1487,11 +1488,11 @@ typedef void (*glfwStopMainLoop_func)(void);
glfwStopMainLoop_func glfwStopMainLoop_impl;
#define glfwStopMainLoop glfwStopMainLoop_impl
typedef unsigned long long (*glfwAddTimer_func)(double, bool, GLFWuserdatafun, void *, GLFWuserdatafun);
typedef unsigned long long (*glfwAddTimer_func)(monotonic_t, bool, GLFWuserdatafun, void *, GLFWuserdatafun);
glfwAddTimer_func glfwAddTimer_impl;
#define glfwAddTimer glfwAddTimer_impl
typedef void (*glfwUpdateTimer_func)(unsigned long long, double, bool);
typedef void (*glfwUpdateTimer_func)(unsigned long long, monotonic_t, bool);
glfwUpdateTimer_func glfwUpdateTimer_impl;
#define glfwUpdateTimer glfwUpdateTimer_impl
@@ -1659,7 +1660,7 @@ typedef void (*glfwGetWindowContentScale_func)(GLFWwindow*, float*, float*);
glfwGetWindowContentScale_func glfwGetWindowContentScale_impl;
#define glfwGetWindowContentScale glfwGetWindowContentScale_impl
typedef double (*glfwGetDoubleClickInterval_func)(GLFWwindow*);
typedef monotonic_t (*glfwGetDoubleClickInterval_func)(GLFWwindow*);
glfwGetDoubleClickInterval_func glfwGetDoubleClickInterval_impl;
#define glfwGetDoubleClickInterval glfwGetDoubleClickInterval_impl
@@ -1911,11 +1912,11 @@ typedef const char* (*glfwGetClipboardString_func)(GLFWwindow*);
glfwGetClipboardString_func glfwGetClipboardString_impl;
#define glfwGetClipboardString glfwGetClipboardString_impl
typedef double (*glfwGetTime_func)(void);
typedef monotonic_t (*glfwGetTime_func)(void);
glfwGetTime_func glfwGetTime_impl;
#define glfwGetTime glfwGetTime_impl
typedef void (*glfwSetTime_func)(double);
typedef void (*glfwSetTime_func)(monotonic_t);
glfwSetTime_func glfwSetTime_impl;
#define glfwSetTime glfwSetTime_impl