#define GLX_BAD_CONTEXT 5
-typedef struct __DRIswapInfoRec __DRIswapInfo;
-
/**
* Extensions.
*/
*/
GLboolean (*UnbindContext)(__DRIcontext *driContextPriv);
- /**
- * Retrieves statistics about buffer swap operations. Required if
- * GLX_OML_sync_control or GLX_MESA_swap_frame_usage is supported.
- */
- int (*GetSwapInfo)( __DRIdrawable *dPriv, __DRIswapInfo * sInfo );
-
-
/**
* These are required if GLX_OML_sync_control is supported.
*/
extern const struct __DriverAPIRec driDriverAPI;
-struct __DRIswapInfoRec {
- /**
- * Number of swapBuffers operations that have been *completed*.
- */
- uint64_t swap_count;
-
- /**
- * Unadjusted system time of the last buffer swap. This is the time
- * when the swap completed, not the time when swapBuffers was called.
- */
- int64_t swap_ust;
-
- /**
- * Number of swap operations that occurred after the swap deadline. That
- * is if a swap happens more than swap_interval frames after the previous
- * swap, it has missed its deadline. If swap_interval is 0, then the
- * swap deadline is 1 frame after the previous swap.
- */
- uint64_t swap_missed_count;
-
- /**
- * Amount of time used by the last swap that missed its deadline. This
- * is calculated as (__glXGetUST() - swap_ust) / (swap_interval *
- * time_for_single_vrefresh)). If the actual value of swap_interval is
- * 0, then 1 is used instead. If swap_missed_count is non-zero, this
- * should be greater-than 1.0.
- */
- float swap_missed_usage;
-};
-
-
/**
* Per-drawable private DRI driver information.
*/