+
+#if defined(DCPOMATIC_LINUX) && defined(DCPOMATIC_HAVE_GLX_SWAP_INTERVAL_EXT)
+ if (_canvas->IsExtensionSupported("GLX_EXT_swap_control")) {
+ /* Enable vsync */
+ Display* dpy = wxGetX11Display();
+ glXSwapIntervalEXT (dpy, DefaultScreen(dpy), 1);
+ _vsync_enabled = true;
+ }
+#endif
+
+#ifdef DCPOMATIC_WINDOWS
+ if (_canvas->IsExtensionSupported("WGL_EXT_swap_control")) {
+ /* Enable vsync */
+ PFNWGLSWAPINTERVALEXTPROC swap = (PFNWGLSWAPINTERVALEXTPROC) wglGetProcAddress("wglSwapIntervalEXT");
+ if (swap) {
+ swap (1);
+ _vsync_enabled = true;
+ }
+ }
+
+#endif
+
+#ifdef DCPOMATIC_OSX
+ /* Enable vsync */
+ GLint swapInterval = 1;
+ CGLSetParameter (CGLGetCurrentContext(), kCGLCPSwapInterval, &swapInterval);
+ _vsync_enabled = true;
+#endif
+
+ glGenTextures (1, &_id);
+ check_gl_error ("glGenTextures");
+ glBindTexture (GL_TEXTURE_2D, _id);
+ check_gl_error ("glBindTexture");
+ glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
+ check_gl_error ("glPixelStorei");
+