diff options
Diffstat (limited to 'src/gallium/auxiliary/util')
| -rw-r--r-- | src/gallium/auxiliary/util/u_async_debug.c | 114 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_async_debug.h | 74 |
2 files changed, 188 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_async_debug.c b/src/gallium/auxiliary/util/u_async_debug.c new file mode 100644 index 00000000000..13791a578bf --- /dev/null +++ b/src/gallium/auxiliary/util/u_async_debug.c @@ -0,0 +1,114 @@ +/* + * 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. + * + */ + +#include "u_async_debug.h" + +#include <stdio.h> +#include <stdarg.h> + +#include "util/u_debug.h" +#include "util/u_string.h" + +static void +u_async_debug_message(void *data, unsigned *id, enum pipe_debug_type type, + const char *fmt, va_list args) +{ + struct util_async_debug_callback *adbg = data; + struct util_debug_message *msg; + char *text; + int r; + + r = util_vasprintf(&text, fmt, args); + if (r < 0) + return; + + simple_mtx_lock(&adbg->lock); + if (adbg->count >= adbg->max) { + unsigned new_max = MAX2(16, adbg->max * 2); + + if (new_max < adbg->max || + new_max > SIZE_MAX / sizeof(*adbg->messages)) { + free(text); + goto out; + } + + struct util_debug_message *new_msg = + realloc(adbg->messages, new_max * sizeof(*adbg->messages)); + if (!new_msg) { + free(text); + goto out; + } + + adbg->max = new_max; + adbg->messages = new_msg; + } + + msg = &adbg->messages[adbg->count++]; + msg->id = id; + msg->type = type; + msg->msg = text; + +out: + simple_mtx_unlock(&adbg->lock); +} + +void +u_async_debug_init(struct util_async_debug_callback *adbg) +{ + memset(adbg, 0, sizeof(*adbg)); + + simple_mtx_init(&adbg->lock, mtx_plain); + adbg->base.async = true; + adbg->base.debug_message = u_async_debug_message; + adbg->base.data = adbg; +} + +void +u_async_debug_cleanup(struct util_async_debug_callback *adbg) +{ + simple_mtx_destroy(&adbg->lock); + + for (unsigned i = 0; i < adbg->count; ++i) + free(adbg->messages[i].msg); + free(adbg->messages); +} + +void +_u_async_debug_drain(struct util_async_debug_callback *adbg, + struct pipe_debug_callback *dst) +{ + simple_mtx_lock(&adbg->lock); + for (unsigned i = 0; i < adbg->count; ++i) { + const struct util_debug_message *msg = &adbg->messages[i]; + + _pipe_debug_message(dst, msg->id, msg->type, "%s", msg->msg); + + free(msg->msg); + } + + adbg->count = 0; + simple_mtx_unlock(&adbg->lock); +} + diff --git a/src/gallium/auxiliary/util/u_async_debug.h b/src/gallium/auxiliary/util/u_async_debug.h new file mode 100644 index 00000000000..be783dc87cb --- /dev/null +++ b/src/gallium/auxiliary/util/u_async_debug.h @@ -0,0 +1,74 @@ +/* + * 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 */ |