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Fixed frame limiter to work properly with GLFW

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Signed-off-by: Alexis Maiquez <almamu@almamu.com>
This commit is contained in:
Alexis Maiquez 2022-01-25 00:17:14 +01:00
parent fa2720f07c
commit f5ed023725
1 changed files with 6 additions and 14 deletions
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20
main.cpp
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@ -20,14 +20,6 @@
#include "WallpaperEngine/Assets/CDirectory.h" #include "WallpaperEngine/Assets/CDirectory.h"
#include "WallpaperEngine/Assets/CCombinedContainer.h" #include "WallpaperEngine/Assets/CCombinedContainer.h"
enum BACKGROUND_RUN_MODE
{
RUN_MODE_UNKNOWN = 0,
RUN_MODE_HELP = 1,
RUN_MODE_DIRECTORY = 2,
RUN_MODE_PACKAGE = 3
};
float g_Time; float g_Time;
using namespace WallpaperEngine::Core::Types; using namespace WallpaperEngine::Core::Types;
@ -267,9 +259,9 @@ int main (int argc, char* argv[])
// cull anything that doesn't look at the camera (might be useful to disable in the future) // cull anything that doesn't look at the camera (might be useful to disable in the future)
glDisable (GL_CULL_FACE); glDisable (GL_CULL_FACE);
clock_t minimumTime = 1000 / maximumFPS; double minimumTime = 1.0 / maximumFPS;
clock_t startTime = 0; double startTime = 0.0;
clock_t endTime = 0; double endTime = 0.0;
while (glfwWindowShouldClose (window) == 0) while (glfwWindowShouldClose (window) == 0)
{ {
@ -280,7 +272,7 @@ int main (int argc, char* argv[])
// calculate the current time value // calculate the current time value
g_Time = (float) glfwGetTime (); g_Time = (float) glfwGetTime ();
// get the start time of the frame // get the start time of the frame
startTime = clock (); startTime = glfwGetTime ();
// update our inputs first // update our inputs first
mouseInput->update (); mouseInput->update ();
// render the scene // render the scene
@ -290,11 +282,11 @@ int main (int argc, char* argv[])
// poll for events (like closing the window) // poll for events (like closing the window)
glfwPollEvents (); glfwPollEvents ();
// get the end time of the frame // get the end time of the frame
endTime = clock (); endTime = glfwGetTime ();
// ensure the frame time is correct to not overrun FPS // ensure the frame time is correct to not overrun FPS
if ((endTime - startTime) < minimumTime) if ((endTime - startTime) < minimumTime)
usleep (static_cast <unsigned int> ((static_cast <double> ((minimumTime - (endTime - startTime))) / CLOCKS_PER_SEC) * 1000)); usleep ((minimumTime - (endTime - startTime)) * CLOCKS_PER_SEC);
} }
// terminate gl // terminate gl