src/gallium/auxiliary/util/u_debug_refcnt.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 Luca Barbieri
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  **************************************************************************/
  26
  27 #ifndef U_DEBUG_REFCNT_H_
  28 #define U_DEBUG_REFCNT_H_
  29
  30 #include "pipe/p_config.h"
  31 #include "pipe/p_state.h"
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 typedef void (*debug_reference_descriptor)(char*, const struct pipe_reference*);
  38
  39 #if defined(DEBUG)
  40
  41 extern int debug_refcnt_state;
  42
  43 void
  44 debug_reference_slowpath(const struct pipe_reference* p,
  45                          debug_reference_descriptor get_desc, int change);
  46
  47 static inline void
  48 debug_reference(const struct pipe_reference* p,
  49                 debug_reference_descriptor get_desc, int change)
  50 {
  51    if (debug_refcnt_state >= 0)
  52       debug_reference_slowpath(p, get_desc, change);
  53 }
  54
  55 #else
  56
  57 static inline void
  58 debug_reference(UNUSED const struct pipe_reference* p,
  59                 UNUSED debug_reference_descriptor get_desc, UNUSED int change)
  60 {
  61 }
  62
  63 #endif
  64
  65 #ifdef __cplusplus
  66 }
  67 #endif
  68
  69 #endif /* U_DEBUG_REFCNT_H_ */