| /* |
| * Copyright 2017 Advanced Micro Devices, 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 |
| * on 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 |
| * THE AUTHOR(S) AND/OR THEIR 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. |
| * |
| */ |
| |
| /** |
| * \file u_async_debug.h |
| * Provides a helper implementation of pipe_debug_callback which allows debug |
| * messages from non-application threads to be passed back to the application |
| * thread. |
| */ |
| |
| #ifndef UTIL_ASYNC_DEBUG_H |
| #define UTIL_ASYNC_DEBUG_H |
| |
| #include "pipe/p_state.h" |
| |
| #include "util/simple_mtx.h" |
| |
| struct util_debug_message { |
| unsigned *id; |
| enum pipe_debug_type type; |
| char *msg; |
| }; |
| |
| struct util_async_debug_callback { |
| struct pipe_debug_callback base; |
| |
| simple_mtx_t lock; |
| unsigned count; |
| unsigned max; |
| struct util_debug_message *messages; |
| }; |
| |
| void |
| u_async_debug_init(struct util_async_debug_callback *adbg); |
| void |
| u_async_debug_cleanup(struct util_async_debug_callback *adbg); |
| |
| void |
| _u_async_debug_drain(struct util_async_debug_callback *adbg, |
| struct pipe_debug_callback *dst); |
| |
| static inline void |
| u_async_debug_drain(struct util_async_debug_callback *adbg, |
| struct pipe_debug_callback *dst) |
| { |
| /* Read the count without taking the lock to avoid atomics in the fast path. |
| * We'll re-read the count after taking the lock. */ |
| if (adbg->count) |
| _u_async_debug_drain(adbg, dst); |
| } |
| |
| #endif /* UTIL_ASYNC_DEBUG_H */ |