diff options
author | Keith Whitwell <[email protected]> | 2009-02-16 19:50:48 +0000 |
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committer | Keith Whitwell <[email protected]> | 2009-02-16 19:50:48 +0000 |
commit | 59d54334c96f44ed1d8bf660dc96221362a77d04 (patch) | |
tree | e9ab34e568256bcdc2a88602c47072ab769211e8 /src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c | |
parent | 7c8836e9ef49d938aa55a1c385b95c6371c301f1 (diff) | |
parent | c5c383596ddb26cd75e4b355918ad16915283b59 (diff) |
Merge branch 'master' into gallium-texture-transfer
Conflicts:
src/mesa/state_tracker/st_cb_accum.c
src/mesa/state_tracker/st_cb_drawpixels.c
Diffstat (limited to 'src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c')
-rw-r--r-- | src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c b/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c deleted file mode 100644 index 831c75d30cc..00000000000 --- a/src/gallium/winsys/drm/intel/common/ws_dri_fencemgr.c +++ /dev/null @@ -1,377 +0,0 @@ -#include "ws_dri_fencemgr.h" -#include "pipe/p_thread.h" -#include <xf86mm.h> -#include <string.h> -#include <unistd.h> - -/* - * Note: Locking order is - * _DriFenceObject::mutex - * _DriFenceMgr::mutex - */ - -struct _DriFenceMgr { - /* - * Constant members. Need no mutex protection. - */ - struct _DriFenceMgrCreateInfo info; - void *private; - - /* - * These members are protected by this->mutex - */ - pipe_mutex mutex; - int refCount; - drmMMListHead *heads; - int num_fences; -}; - -struct _DriFenceObject { - - /* - * These members are constant and need no mutex protection. - */ - struct _DriFenceMgr *mgr; - uint32_t fence_class; - uint32_t fence_type; - - /* - * These members are protected by mgr->mutex. - */ - drmMMListHead head; - int refCount; - - /* - * These members are protected by this->mutex. - */ - pipe_mutex mutex; - uint32_t signaled_type; - void *private; -}; - -uint32_t -driFenceType(struct _DriFenceObject *fence) -{ - return fence->fence_type; -} - -struct _DriFenceMgr * -driFenceMgrCreate(const struct _DriFenceMgrCreateInfo *info) -{ - struct _DriFenceMgr *tmp; - uint32_t i; - - tmp = calloc(1, sizeof(*tmp)); - if (!tmp) - return NULL; - - pipe_mutex_init(tmp->mutex); - pipe_mutex_lock(tmp->mutex); - tmp->refCount = 1; - tmp->info = *info; - tmp->num_fences = 0; - tmp->heads = calloc(tmp->info.num_classes, sizeof(*tmp->heads)); - if (!tmp->heads) - goto out_err; - - for (i=0; i<tmp->info.num_classes; ++i) { - DRMINITLISTHEAD(&tmp->heads[i]); - } - pipe_mutex_unlock(tmp->mutex); - return tmp; - - out_err: - if (tmp) - free(tmp); - return NULL; -} - -static void -driFenceMgrUnrefUnlock(struct _DriFenceMgr **pMgr) -{ - struct _DriFenceMgr *mgr = *pMgr; - - *pMgr = NULL; - if (--mgr->refCount == 0) - free(mgr); - else - pipe_mutex_unlock(mgr->mutex); -} - -void -driFenceMgrUnReference(struct _DriFenceMgr **pMgr) -{ - pipe_mutex_lock((*pMgr)->mutex); - driFenceMgrUnrefUnlock(pMgr); -} - -static void -driFenceUnReferenceLocked(struct _DriFenceObject **pFence) -{ - struct _DriFenceObject *fence = *pFence; - struct _DriFenceMgr *mgr = fence->mgr; - - *pFence = NULL; - if (--fence->refCount == 0) { - DRMLISTDELINIT(&fence->head); - if (fence->private) - mgr->info.unreference(mgr, &fence->private); - --mgr->num_fences; - fence->mgr = NULL; - --mgr->refCount; - free(fence); - - } -} - - -static void -driSignalPreviousFencesLocked(struct _DriFenceMgr *mgr, - drmMMListHead *list, - uint32_t fence_class, - uint32_t fence_type) -{ - struct _DriFenceObject *entry; - drmMMListHead *prev; - - while(list != &mgr->heads[fence_class]) { - entry = DRMLISTENTRY(struct _DriFenceObject, list, head); - - /* - * Up refcount so that entry doesn't disappear from under us - * when we unlock-relock mgr to get the correct locking order. - */ - - ++entry->refCount; - pipe_mutex_unlock(mgr->mutex); - pipe_mutex_lock(entry->mutex); - pipe_mutex_lock(mgr->mutex); - - prev = list->prev; - - - - if (list->prev == list) { - - /* - * Somebody else removed the entry from the list. - */ - - pipe_mutex_unlock(entry->mutex); - driFenceUnReferenceLocked(&entry); - return; - } - - entry->signaled_type |= (fence_type & entry->fence_type); - if (entry->signaled_type == entry->fence_type) { - DRMLISTDELINIT(list); - mgr->info.unreference(mgr, &entry->private); - } - pipe_mutex_unlock(entry->mutex); - driFenceUnReferenceLocked(&entry); - list = prev; - } -} - - -int -driFenceFinish(struct _DriFenceObject *fence, uint32_t fence_type, - int lazy_hint) -{ - struct _DriFenceMgr *mgr = fence->mgr; - int ret = 0; - - pipe_mutex_lock(fence->mutex); - - if ((fence->signaled_type & fence_type) == fence_type) - goto out0; - - ret = mgr->info.finish(mgr, fence->private, fence_type, lazy_hint); - if (ret) - goto out0; - - pipe_mutex_lock(mgr->mutex); - pipe_mutex_unlock(fence->mutex); - - driSignalPreviousFencesLocked(mgr, &fence->head, fence->fence_class, - fence_type); - pipe_mutex_unlock(mgr->mutex); - return 0; - - out0: - pipe_mutex_unlock(fence->mutex); - return ret; -} - -uint32_t driFenceSignaledTypeCached(struct _DriFenceObject *fence) -{ - uint32_t ret; - - pipe_mutex_lock(fence->mutex); - ret = fence->signaled_type; - pipe_mutex_unlock(fence->mutex); - - return ret; -} - -int -driFenceSignaledType(struct _DriFenceObject *fence, uint32_t flush_type, - uint32_t *signaled) -{ - int ret = 0; - struct _DriFenceMgr *mgr; - - pipe_mutex_lock(fence->mutex); - mgr = fence->mgr; - *signaled = fence->signaled_type; - if ((fence->signaled_type & flush_type) == flush_type) - goto out0; - - ret = mgr->info.signaled(mgr, fence->private, flush_type, signaled); - if (ret) { - *signaled = fence->signaled_type; - goto out0; - } - - if ((fence->signaled_type | *signaled) == fence->signaled_type) - goto out0; - - pipe_mutex_lock(mgr->mutex); - pipe_mutex_unlock(fence->mutex); - - driSignalPreviousFencesLocked(mgr, &fence->head, fence->fence_class, - *signaled); - - pipe_mutex_unlock(mgr->mutex); - return 0; - out0: - pipe_mutex_unlock(fence->mutex); - return ret; -} - -struct _DriFenceObject * -driFenceReference(struct _DriFenceObject *fence) -{ - pipe_mutex_lock(fence->mgr->mutex); - ++fence->refCount; - pipe_mutex_unlock(fence->mgr->mutex); - return fence; -} - -void -driFenceUnReference(struct _DriFenceObject **pFence) -{ - struct _DriFenceMgr *mgr; - - if (*pFence == NULL) - return; - - mgr = (*pFence)->mgr; - pipe_mutex_lock(mgr->mutex); - ++mgr->refCount; - driFenceUnReferenceLocked(pFence); - driFenceMgrUnrefUnlock(&mgr); -} - -struct _DriFenceObject -*driFenceCreate(struct _DriFenceMgr *mgr, uint32_t fence_class, - uint32_t fence_type, void *private, size_t private_size) -{ - struct _DriFenceObject *fence; - size_t fence_size = sizeof(*fence); - - if (private_size) - fence_size = ((fence_size + 15) & ~15); - - fence = calloc(1, fence_size + private_size); - - if (!fence) { - int ret = mgr->info.finish(mgr, private, fence_type, 0); - - if (ret) - usleep(10000000); - - return NULL; - } - - pipe_mutex_init(fence->mutex); - pipe_mutex_lock(fence->mutex); - pipe_mutex_lock(mgr->mutex); - fence->refCount = 1; - DRMLISTADDTAIL(&fence->head, &mgr->heads[fence_class]); - fence->mgr = mgr; - ++mgr->refCount; - ++mgr->num_fences; - pipe_mutex_unlock(mgr->mutex); - fence->fence_class = fence_class; - fence->fence_type = fence_type; - fence->signaled_type = 0; - fence->private = private; - if (private_size) { - fence->private = (void *)(((uint8_t *) fence) + fence_size); - memcpy(fence->private, private, private_size); - } - - pipe_mutex_unlock(fence->mutex); - return fence; -} - - -static int -tSignaled(struct _DriFenceMgr *mgr, void *private, uint32_t flush_type, - uint32_t *signaled_type) -{ - long fd = (long) mgr->private; - int dummy; - drmFence *fence = (drmFence *) private; - int ret; - - *signaled_type = 0; - ret = drmFenceSignaled((int) fd, fence, flush_type, &dummy); - if (ret) - return ret; - - *signaled_type = fence->signaled; - - return 0; -} - -static int -tFinish(struct _DriFenceMgr *mgr, void *private, uint32_t fence_type, - int lazy_hint) -{ - long fd = (long) mgr->private; - unsigned flags = lazy_hint ? DRM_FENCE_FLAG_WAIT_LAZY : 0; - - return drmFenceWait((int)fd, flags, (drmFence *) private, fence_type); -} - -static int -tUnref(struct _DriFenceMgr *mgr, void **private) -{ - long fd = (long) mgr->private; - drmFence *fence = (drmFence *) *private; - *private = NULL; - - return drmFenceUnreference(fd, fence); -} - -struct _DriFenceMgr *driFenceMgrTTMInit(int fd) -{ - struct _DriFenceMgrCreateInfo info; - struct _DriFenceMgr *mgr; - - info.flags = DRI_FENCE_CLASS_ORDERED; - info.num_classes = 4; - info.signaled = tSignaled; - info.finish = tFinish; - info.unreference = tUnref; - - mgr = driFenceMgrCreate(&info); - if (mgr == NULL) - return NULL; - - mgr->private = (void *) (long) fd; - return mgr; -} - |