460 lines
12 KiB
C
460 lines
12 KiB
C
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/**************************************************************************
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*
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* Cross-platform debugging helpers.
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*
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* For now it just has assert and printf replacements, but it might be extended
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* with stack trace reports and more advanced logging in the near future.
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*
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* @author Jose Fonseca <jrfonseca@tungstengraphics.com>
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*/
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#ifndef U_DEBUG_H_
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#define U_DEBUG_H_
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#include "os/os_misc.h"
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#include "pipe/p_format.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(__GNUC__)
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#define _util_printf_format(fmt, list) __attribute__ ((format (printf, fmt, list)))
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#else
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#define _util_printf_format(fmt, list)
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#endif
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void _debug_vprintf(const char *format, va_list ap);
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static INLINE void
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_debug_printf(const char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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_debug_vprintf(format, ap);
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va_end(ap);
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}
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/**
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* Print debug messages.
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*
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* The actual channel used to output debug message is platform specific. To
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* avoid misformating or truncation, follow these rules of thumb:
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* - output whole lines
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* - avoid outputing large strings (512 bytes is the current maximum length
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* that is guaranteed to be printed in all platforms)
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*/
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#if !defined(PIPE_OS_HAIKU)
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static INLINE void
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debug_printf(const char *format, ...) _util_printf_format(1,2);
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static INLINE void
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debug_printf(const char *format, ...)
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{
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#ifdef DEBUG
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va_list ap;
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va_start(ap, format);
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_debug_vprintf(format, ap);
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va_end(ap);
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#else
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(void) format; /* silence warning */
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#endif
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}
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#else /* is Haiku */
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/* Haiku provides debug_printf in libroot with OS.h */
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#include <OS.h>
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#endif
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/*
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* ... isn't portable so we need to pass arguments in parentheses.
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*
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* usage:
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* debug_printf_once(("answer: %i\n", 42));
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*/
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#define debug_printf_once(args) \
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do { \
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static boolean once = TRUE; \
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if (once) { \
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once = FALSE; \
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debug_printf args; \
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} \
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} while (0)
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#ifdef DEBUG
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#define debug_vprintf(_format, _ap) _debug_vprintf(_format, _ap)
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#else
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#define debug_vprintf(_format, _ap) ((void)0)
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#endif
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#ifdef DEBUG
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/**
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* Dump a blob in hex to the same place that debug_printf sends its
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* messages.
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*/
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void debug_print_blob( const char *name, const void *blob, unsigned size );
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/* Print a message along with a prettified format string
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*/
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void debug_print_format(const char *msg, unsigned fmt );
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#else
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#define debug_print_blob(_name, _blob, _size) ((void)0)
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#define debug_print_format(_msg, _fmt) ((void)0)
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#endif
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/**
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* Hard-coded breakpoint.
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*/
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#ifdef DEBUG
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#define debug_break() os_break()
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#else /* !DEBUG */
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#define debug_break() ((void)0)
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#endif /* !DEBUG */
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long
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debug_get_num_option(const char *name, long dfault);
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void _debug_assert_fail(const char *expr,
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const char *file,
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unsigned line,
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const char *function);
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/**
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* Assert macro
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*
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* Do not expect that the assert call terminates -- errors must be handled
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* regardless of assert behavior.
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*
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* For non debug builds the assert macro will expand to a no-op, so do not
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* call functions with side effects in the assert expression.
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*/
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#ifdef DEBUG
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#define debug_assert(expr) ((expr) ? (void)0 : _debug_assert_fail(#expr, __FILE__, __LINE__, __FUNCTION__))
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#else
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#define debug_assert(expr) do { } while (0 && (expr))
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#endif
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/** Override standard assert macro */
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#ifdef assert
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#undef assert
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#endif
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#define assert(expr) debug_assert(expr)
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/**
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* Output the current function name.
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*/
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#ifdef DEBUG
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#define debug_checkpoint() \
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_debug_printf("%s\n", __FUNCTION__)
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#else
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#define debug_checkpoint() \
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((void)0)
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#endif
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/**
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* Output the full source code position.
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*/
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#ifdef DEBUG
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#define debug_checkpoint_full() \
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_debug_printf("%s:%u:%s\n", __FILE__, __LINE__, __FUNCTION__)
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#else
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#define debug_checkpoint_full() \
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((void)0)
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#endif
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/**
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* Output a warning message. Muted on release version.
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*/
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#ifdef DEBUG
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#define debug_warning(__msg) \
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_debug_printf("%s:%u:%s: warning: %s\n", __FILE__, __LINE__, __FUNCTION__, __msg)
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#else
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#define debug_warning(__msg) \
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((void)0)
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#endif
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/**
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* Emit a warning message, but only once.
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*/
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#ifdef DEBUG
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#define debug_warn_once(__msg) \
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do { \
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static bool warned = FALSE; \
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if (!warned) { \
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_debug_printf("%s:%u:%s: one time warning: %s\n", \
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__FILE__, __LINE__, __FUNCTION__, __msg); \
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warned = TRUE; \
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} \
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} while (0)
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#else
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#define debug_warn_once(__msg) \
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((void)0)
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#endif
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/**
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* Output an error message. Not muted on release version.
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*/
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#ifdef DEBUG
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#define debug_error(__msg) \
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_debug_printf("%s:%u:%s: error: %s\n", __FILE__, __LINE__, __FUNCTION__, __msg)
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#else
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#define debug_error(__msg) \
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_debug_printf("error: %s\n", __msg)
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#endif
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/**
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* Used by debug_dump_enum and debug_dump_flags to describe symbols.
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*/
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struct debug_named_value
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{
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const char *name;
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unsigned long value;
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const char *desc;
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};
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/**
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* Some C pre-processor magic to simplify creating named values.
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*
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* Example:
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* @code
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* static const debug_named_value my_names[] = {
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* DEBUG_NAMED_VALUE(MY_ENUM_VALUE_X),
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* DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Y),
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* DEBUG_NAMED_VALUE(MY_ENUM_VALUE_Z),
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* DEBUG_NAMED_VALUE_END
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* };
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*
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* ...
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* debug_printf("%s = %s\n",
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* name,
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* debug_dump_enum(my_names, my_value));
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* ...
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* @endcode
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*/
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#define DEBUG_NAMED_VALUE(__symbol) {#__symbol, (unsigned long)__symbol, NULL}
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#define DEBUG_NAMED_VALUE_WITH_DESCRIPTION(__symbol, __desc) {#__symbol, (unsigned long)__symbol, __desc}
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#define DEBUG_NAMED_VALUE_END {NULL, 0, NULL}
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/**
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* Convert a enum value to a string.
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*/
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const char *
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debug_dump_enum(const struct debug_named_value *names,
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unsigned long value);
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const char *
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debug_dump_enum_noprefix(const struct debug_named_value *names,
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const char *prefix,
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unsigned long value);
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/**
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* Convert binary flags value to a string.
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*/
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const char *
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debug_dump_flags(const struct debug_named_value *names,
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unsigned long value);
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/**
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* Function enter exit loggers
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*/
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#ifdef DEBUG
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int debug_funclog_enter(const char* f, const int line, const char* file);
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void debug_funclog_exit(const char* f, const int line, const char* file);
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void debug_funclog_enter_exit(const char* f, const int line, const char* file);
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#define DEBUG_FUNCLOG_ENTER() \
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int __debug_decleration_work_around = \
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debug_funclog_enter(__FUNCTION__, __LINE__, __FILE__)
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#define DEBUG_FUNCLOG_EXIT() \
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do { \
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(void)__debug_decleration_work_around; \
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debug_funclog_exit(__FUNCTION__, __LINE__, __FILE__); \
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return; \
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} while(0)
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#define DEBUG_FUNCLOG_EXIT_RET(ret) \
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do { \
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(void)__debug_decleration_work_around; \
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debug_funclog_exit(__FUNCTION__, __LINE__, __FILE__); \
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return ret; \
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} while(0)
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#define DEBUG_FUNCLOG_ENTER_EXIT() \
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debug_funclog_enter_exit(__FUNCTION__, __LINE__, __FILE__)
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#else
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#define DEBUG_FUNCLOG_ENTER() \
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int __debug_decleration_work_around
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#define DEBUG_FUNCLOG_EXIT() \
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do { (void)__debug_decleration_work_around; return; } while(0)
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#define DEBUG_FUNCLOG_EXIT_RET(ret) \
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do { (void)__debug_decleration_work_around; return ret; } while(0)
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#define DEBUG_FUNCLOG_ENTER_EXIT()
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#endif
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/**
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* Get option.
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*
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* It is an alias for getenv on Linux.
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*
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* On Windows it reads C:\gallium.cfg, which is a text file with CR+LF line
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* endings with one option per line as
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*
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* NAME=value
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*
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* This file must be terminated with an extra empty line.
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*/
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const char *
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debug_get_option(const char *name, const char *dfault);
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boolean
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debug_get_bool_option(const char *name, boolean dfault);
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long
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debug_get_num_option(const char *name, long dfault);
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unsigned long
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debug_get_flags_option(const char *name,
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const struct debug_named_value *flags,
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unsigned long dfault);
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#define DEBUG_GET_ONCE_BOOL_OPTION(sufix, name, dfault) \
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static boolean \
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debug_get_option_ ## sufix (void) \
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{ \
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static boolean first = TRUE; \
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static boolean value; \
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if (first) { \
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first = FALSE; \
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value = debug_get_bool_option(name, dfault); \
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} \
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return value; \
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}
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#define DEBUG_GET_ONCE_NUM_OPTION(sufix, name, dfault) \
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static long \
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debug_get_option_ ## sufix (void) \
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{ \
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static boolean first = TRUE; \
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static long value; \
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if (first) { \
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first = FALSE; \
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value = debug_get_num_option(name, dfault); \
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} \
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return value; \
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}
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#define DEBUG_GET_ONCE_FLAGS_OPTION(sufix, name, flags, dfault) \
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static unsigned long \
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debug_get_option_ ## sufix (void) \
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{ \
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static boolean first = TRUE; \
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static unsigned long value; \
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if (first) { \
|
||
|
|
first = FALSE; \
|
||
|
|
value = debug_get_flags_option(name, flags, dfault); \
|
||
|
|
} \
|
||
|
|
return value; \
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
unsigned long
|
||
|
|
debug_memory_begin(void);
|
||
|
|
|
||
|
|
void
|
||
|
|
debug_memory_end(unsigned long beginning);
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
struct pipe_context;
|
||
|
|
struct pipe_surface;
|
||
|
|
struct pipe_transfer;
|
||
|
|
struct pipe_resource;
|
||
|
|
|
||
|
|
void debug_dump_image(const char *prefix,
|
||
|
|
enum pipe_format format, unsigned cpp,
|
||
|
|
unsigned width, unsigned height,
|
||
|
|
unsigned stride,
|
||
|
|
const void *data);
|
||
|
|
void debug_dump_surface(struct pipe_context *pipe,
|
||
|
|
const char *prefix,
|
||
|
|
struct pipe_surface *surface);
|
||
|
|
void debug_dump_texture(struct pipe_context *pipe,
|
||
|
|
const char *prefix,
|
||
|
|
struct pipe_resource *texture);
|
||
|
|
void debug_dump_surface_bmp(struct pipe_context *pipe,
|
||
|
|
const char *filename,
|
||
|
|
struct pipe_surface *surface);
|
||
|
|
void debug_dump_transfer_bmp(struct pipe_context *pipe,
|
||
|
|
const char *filename,
|
||
|
|
struct pipe_transfer *transfer, void *ptr);
|
||
|
|
void debug_dump_float_rgba_bmp(const char *filename,
|
||
|
|
unsigned width, unsigned height,
|
||
|
|
float *rgba, unsigned stride);
|
||
|
|
#else
|
||
|
|
#define debug_dump_image(prefix, format, cpp, width, height, stride, data) ((void)0)
|
||
|
|
#define debug_dump_surface(pipe, prefix, surface) ((void)0)
|
||
|
|
#define debug_dump_surface_bmp(pipe, filename, surface) ((void)0)
|
||
|
|
#define debug_dump_transfer_bmp(filename, transfer, ptr) ((void)0)
|
||
|
|
#define debug_dump_float_rgba_bmp(filename, width, height, rgba, stride) ((void)0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
void
|
||
|
|
debug_print_transfer_flags(const char *msg, unsigned usage);
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* U_DEBUG_H_ */
|