Changeset 8fbd34f in opengl-game

Timestamp:

Jan 10, 2019, 7:56:49 PM (6 years ago)

Author:

dportnoy15 <dmitry.portnoy@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

fe5e3ca

Parents:

adb104f

Message:

Create a work-around for the OSX Sierra vsync issue

File:

• new-game.cpp (modified) (2 diffs)

new-game.cpp

@@ -207 +207 @@
 #define NUM_KEYS (512)
 #define ONE_DEG_IN_RAD ((2.0f * M_PI) / 360.0f) // 0.017444444 (maybe make this a const instead)
+#define TARGET_FPS 60.0f
 
 const int KEY_STATE_UNCHANGED = -1;
@@ -673 +674 @@
       double current_seconds = glfwGetTime();
       double elapsed_seconds = current_seconds - previous_seconds;
+
+      // temporary code to get around vsync issue in OSX Sierra
+      if (elapsed_seconds < (1.0f / TARGET_FPS)) {
+        continue;
+      }
+
       previous_seconds = current_seconds;