Mercurial > hg > forks > gldragon

changeset 10:c6c419861101

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Use SDL_GetTicks() instead of std::clock().
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 28 Oct 2019 12:59:18 +0200
parents 87cb16492d91
children 89dc8caeff41
files glxdragon.cpp
diffstat 1 files changed, 6 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/glxdragon.cpp	Mon Oct 28 00:15:37 2019 +0200
+++ b/glxdragon.cpp	Mon Oct 28 12:59:18 2019 +0200
@@ -38,7 +38,6 @@
 #include <string>
 #include <vector>
 #include <cstdio>
-#include <ctime>
 
 
 #define SET_FRAMES (180 * 2)
@@ -293,9 +292,8 @@
 {
     struct Mesh dragonMesh;
     std::string dragonVS, dragonFS;
-    std::clock_t startTime;
     bool exitFlag = false, optShowHelp = false;
-    int nframes = 0;
+    int startTime, nframes = 0;
 
     // Check commandline argument for enabling shaders
 
@@ -373,7 +371,7 @@
 
 
     // Main loop starts
-    startTime = std::clock();
+    startTime = SDL_GetTicks();
 
     while (!exitFlag)
     {
@@ -413,14 +411,15 @@
             nframes = 0;
 
             // Get the time it took to render a full turn
-            double time = (double(std::clock() - startTime) * 1000.0f) / CLOCKS_PER_SEC;
+            double time = SDL_GetTicks() - startTime;
+
+            // Restart the timer
+            startTime = SDL_GetTicks();
 
             // Print the current frames per second
             printf("%.1lf ms for %d frames = %.1lf FPS\n",
                 time, SET_FRAMES, (SET_FRAMES * 1000.0f) / time);
 
-            // Restart the timer
-            startTime = std::clock();
         }
     }