Use manual vsync since nouveau drivers are broken

1 files changed, 20 insertions, 0 deletions

diff --git a/src/Vsync.cpp b/src/Vsync.cpp
new file mode 100644
index 0000000..ab88205
--- /dev/null
+++ b/src/Vsync.cpp
@@ -0,0 +1,20 @@
+#include "../include/Vsync.hpp"
+#include <time.h>
+#include <unistd.h>
+
+namespace QuickMedia {
+    VSync::VSync(int framerate) : target_frame_delta_micro(1000.0 / (double)framerate * 1000.0), overflow(0) {
+        
+    }
+
+    void VSync::display(sf::RenderWindow &window) {
+        sf::Int64 sleep_time_micro = target_frame_delta_micro - timer.getElapsedTime().asMicroseconds();
+        window.display();
+        if(sleep_time_micro > 0) {
+            if(usleep(sleep_time_micro) != 0) {
+                fprintf(stderr, "failed to sleep!\n");
+            }
+            timer.restart();
+        }
+    }
+}
\ No newline at end of file