diff options
Diffstat (limited to 'src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.h')
-rw-r--r-- | src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.h b/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.h deleted file mode 100644 index 4ea58dfe183..00000000000 --- a/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.h +++ /dev/null @@ -1,115 +0,0 @@ -#ifndef DRI_FENCEMGR_H -#define DRI_FENCEMGR_H - -#include <stdint.h> -#include <stdlib.h> - -struct _DriFenceObject; -struct _DriFenceMgr; - -/* - * Do a quick check to see if the fence manager has registered the fence - * object as signaled. Note that this function may return a false negative - * answer. - */ -extern uint32_t driFenceSignaledTypeCached(struct _DriFenceObject *fence); - -/* - * Check if the fence object is signaled. This function can be substantially - * more expensive to call than the above function, but will not return a false - * negative answer. The argument "flush_type" sets the types that the - * underlying mechanism must make sure will eventually signal. - */ -extern int driFenceSignaledType(struct _DriFenceObject *fence, - uint32_t flush_type, uint32_t *signaled); - -/* - * Convenience functions. - */ - -static inline int driFenceSignaled(struct _DriFenceObject *fence, - uint32_t flush_type) -{ - uint32_t signaled_types; - int ret = driFenceSignaledType(fence, flush_type, &signaled_types); - if (ret) - return 0; - return ((signaled_types & flush_type) == flush_type); -} - -static inline int driFenceSignaledCached(struct _DriFenceObject *fence, - uint32_t flush_type) -{ - uint32_t signaled_types = - driFenceSignaledTypeCached(fence); - - return ((signaled_types & flush_type) == flush_type); -} - -/* - * Reference a fence object. - */ -extern struct _DriFenceObject *driFenceReference(struct _DriFenceObject *fence); - -/* - * Unreference a fence object. The fence object pointer will be reset to NULL. - */ - -extern void driFenceUnReference(struct _DriFenceObject **pFence); - - -/* - * Wait for a fence to signal the indicated fence_type. - * If "lazy_hint" is true, it indicates that the wait may sleep to avoid - * busy-wait polling. - */ -extern int driFenceFinish(struct _DriFenceObject *fence, uint32_t fence_type, - int lazy_hint); - -/* - * Create a DriFenceObject for manager "mgr". - * - * "private" is a pointer that should be used for the callbacks in - * struct _DriFenceMgrCreateInfo. - * - * if private_size is nonzero, then the info stored at *private, with size - * private size will be copied and the fence manager will instead use a - * pointer to the copied data for the callbacks in - * struct _DriFenceMgrCreateInfo. In that case, the object pointed to by - * "private" may be destroyed after the call to driFenceCreate. - */ -extern struct _DriFenceObject *driFenceCreate(struct _DriFenceMgr *mgr, - uint32_t fence_class, - uint32_t fence_type, - void *private, - size_t private_size); - -extern uint32_t driFenceType(struct _DriFenceObject *fence); - -/* - * Fence creations are ordered. If a fence signals a fence_type, - * it is safe to assume that all fences of the same class that was - * created before that fence has signaled the same type. - */ - -#define DRI_FENCE_CLASS_ORDERED (1 << 0) - -struct _DriFenceMgrCreateInfo { - uint32_t flags; - uint32_t num_classes; - int (*signaled) (struct _DriFenceMgr *mgr, void *private, uint32_t flush_type, - uint32_t *signaled_type); - int (*finish) (struct _DriFenceMgr *mgr, void *private, uint32_t fence_type, int lazy_hint); - int (*unreference) (struct _DriFenceMgr *mgr, void **private); -}; - -extern struct _DriFenceMgr * -driFenceMgrCreate(const struct _DriFenceMgrCreateInfo *info); - -void -driFenceMgrUnReference(struct _DriFenceMgr **pMgr); - -extern struct _DriFenceMgr * -driFenceMgrTTMInit(int fd); - -#endif |