| 0,0 → 1,95 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2009 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| |
| #ifndef LP_FENCE_H |
| #define LP_FENCE_H |
| |
| |
| #include "os/os_thread.h" |
| #include "pipe/p_state.h" |
| #include "util/u_inlines.h" |
| |
| |
| struct pipe_screen; |
| |
| |
| struct lp_fence |
| { |
| struct pipe_reference reference; |
| unsigned id; |
| |
| pipe_mutex mutex; |
| pipe_condvar signalled; |
| |
| boolean issued; |
| unsigned rank; |
| unsigned count; |
| }; |
| |
| |
| struct lp_fence * |
| lp_fence_create(unsigned rank); |
| |
| |
| void |
| lp_fence_signal(struct lp_fence *fence); |
| |
| boolean |
| lp_fence_signalled(struct lp_fence *fence); |
| |
| void |
| lp_fence_wait(struct lp_fence *fence); |
| |
| void |
| llvmpipe_init_screen_fence_funcs(struct pipe_screen *screen); |
| |
| |
| void |
| lp_fence_destroy(struct lp_fence *fence); |
| |
| static INLINE void |
| lp_fence_reference(struct lp_fence **ptr, |
| struct lp_fence *f) |
| { |
| struct lp_fence *old = *ptr; |
| |
| if (pipe_reference(&old->reference, &f->reference)) { |
| lp_fence_destroy(old); |
| } |
| |
| *ptr = f; |
| } |
| |
| static INLINE boolean |
| lp_fence_issued(const struct lp_fence *fence) |
| { |
| return fence->issued; |
| } |
| |
| |
| #endif /* LP_FENCE_H */ |