GL_ARB_cl_event http://www.opengl.org/registry/specs/ARB/cl_event.txt GL_ARB_cl_event GL_SYNC_CL_EVENT_ARB 0x8240 GL_SYNC_CL_EVENT_COMPLETE_ARB 0x8241 GLsync glCreateSyncFromCLeventARB (cl_context context, cl_event event, GLbitfield flags) typedef struct _cl_context *cl_context typedef struct _cl_event *cl_event