Move the Vsync logic from VTRenderer into a VsyncSource

2026-06-18 06:30:55 +00:00 · 2018-08-15 22:02:15 -07:00
parent f929cffce7
commit e68a15c825
7 changed files with 216 additions and 132 deletions
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <CoreVideo/CoreVideo.h>
+
+#include "pacer.h"
+
+class DisplayLinkVsyncSource : public IVsyncSource
+{
+public:
+    DisplayLinkVsyncSource(Pacer* pacer);
+
+    virtual ~DisplayLinkVsyncSource();
+
+    virtual bool initialize(SDL_Window* window);
+
+private:
+    static
+    CVReturn
+    displayLinkOutputCallback(
+        CVDisplayLinkRef,
+        const CVTimeStamp* now,
+        const CVTimeStamp* /* vsyncTime */,
+        CVOptionFlags,
+        CVOptionFlags*,
+        void *displayLinkContext);
+
+    Pacer* m_Pacer;
+    CVDisplayLinkRef m_DisplayLink;
+};
+